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deps: Add modified xz-5.6.2

Browse source 
Deviations from upstream xz-5.6.2 release are in the CMake
infrastructure, to try and make the library more consumable as a
vendored dependency.
This commit is contained in:
Tom Dewey 2024-07-17 10:01:38 +01:00 • committed by Tom Dewey
parent 64381d2dd3
commit b1043a3601
588 changed files with 219843 additions and 0 deletions
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<https://www.gnu.org/software/gettext/manual/html_node/Users.html>

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Authors of XZ Utils
===================
XZ Utils is developed and maintained by
Lasse Collin <lasse.collin@tukaani.org>.
Major parts of liblzma are based on code written by Igor Pavlov,
specifically the LZMA SDK <https://7-zip.org/sdk.html>. Without
this code, XZ Utils wouldn't exist.
The SHA-256 implementation in liblzma is based on code written by
Wei Dai in Crypto++ Library <https://www.cryptopp.com/>.
A few scripts have been adapted from GNU gzip. The original
versions were written by Jean-loup Gailly, Charles Levert, and
Paul Eggert. Andrew Dudman helped adapting the scripts and their
man pages for XZ Utils.
The initial version of the threaded .xz decompressor was written
by Sebastian Andrzej Siewior.
The initial version of the .lz (lzip) decoder was written
by Michał Górny.
Architecture-specific CRC optimizations were contributed by
Ilya Kurdyukov, Hans Jansen, and Chenxi Mao.
Other authors:
- Jonathan Nieder
- Joachim Henke
Special author: Jia Tan was a co-maintainer in 2022-2024. He and
the team behind him inserted a backdoor (CVE-2024-3094) into
XZ Utils 5.6.0 and 5.6.1 releases. He suddenly disappeared when
this was discovered.
Many people have contributed improvements or reported bugs.
Most of these people are mentioned in the file THANKS.
The translations of the command line tools and man pages have been
contributed by many people via the Translation Project:
- https://translationproject.org/domain/xz.html
- https://translationproject.org/domain/xz-man.html
The authors of the translated man pages are in the header comments
of the man page files. In the source package, the authors of the
translations are in po/*.po and po4a/*.po files.
Third-party code whose authors aren't listed here:
- GNU getopt_long() in the 'lib' directory is included for
platforms that don't have a usable getopt_long().
- The build system files from GNU Autoconf, GNU Automake,
GNU Libtool, GNU Gettext, Autoconf Archive, and related files.

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XZ Utils Licensing
==================
Different licenses apply to different files in this package. Here
is a summary of which licenses apply to which parts of this package:
- liblzma is under the BSD Zero Clause License (0BSD).
- The command line tools xz, xzdec, lzmadec, and lzmainfo are
under 0BSD except that, on systems that don't have a usable
getopt_long, GNU getopt_long is compiled and linked in from the
'lib' directory. The getopt_long code is under GNU LGPLv2.1+.
- The scripts to grep, diff, and view compressed files have been
adapted from GNU gzip. These scripts (xzgrep, xzdiff, xzless,
and xzmore) are under GNU GPLv2+. The man pages of the scripts
are under 0BSD; they aren't based on the man pages of GNU gzip.
- Most of the XZ Utils specific documentation that is in
plain text files (like README, INSTALL, PACKAGERS, NEWS,
and ChangeLog) are under 0BSD unless stated otherwise in
the file itself. The files xz-file-format.txt and
lzma-file-format.xt are in the public domain but may
be distributed under the terms of 0BSD too.
- Translated messages and man pages are under 0BSD except that
some old translations are in the public domain.
- Test files and test code in the 'tests' directory, and
debugging utilities in the 'debug' directory are under
the BSD Zero Clause License (0BSD).
- The GNU Autotools based build system contains files that are
under GNU GPLv2+, GNU GPLv3+, and a few permissive licenses.
These files don't affect the licensing of the binaries being
built.
- The 'extra' directory contains files that are under various
free software licenses. These aren't built or installed as
part of XZ Utils.
For the files under the BSD Zero Clause License (0BSD), if
a copyright notice is needed, the following is sufficient:
Copyright (C) The XZ Utils authors and contributors
If you copy significant amounts of 0BSD-licensed code from XZ Utils
into your project, acknowledging this somewhere in your software is
polite (especially if it is proprietary, non-free software), but
it is not legally required by the license terms. Here is an example
of a good notice to put into "about box" or into documentation:
This software includes code from XZ Utils <https://tukaani.org/xz/>.
The following license texts are included in the following files:
- COPYING.0BSD: BSD Zero Clause License
- COPYING.LGPLv2.1: GNU Lesser General Public License version 2.1
- COPYING.GPLv2: GNU General Public License version 2
- COPYING.GPLv3: GNU General Public License version 3
A note about old XZ Utils releases:
XZ Utils releases 5.4.6 and older and 5.5.1alpha have a
significant amount of code put into the public domain and
that obviously remains so. The switch from public domain to
0BSD for newer releases was made in Febrary 2024 because
public domain has (real or perceived) legal ambiguities in
some jurisdictions.
There is very little *practical* difference between public
domain and 0BSD. The main difference likely is that one
shouldn't claim that 0BSD-licensed code is in the public
domain; 0BSD-licensed code is copyrighted but available under
an extremely permissive license. Neither 0BSD nor public domain
require retaining or reproducing author, copyright holder, or
license notices when distributing the software. (Compare to,
for example, BSD 2-Clause "Simplified" License which does have
such requirements.)
If you have questions, don't hesitate to ask for more information.
The contact information is in the README file.

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Permission to use, copy, modify, and/or distribute this
software for any purpose with or without fee is hereby granted.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

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Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
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Everyone is permitted to copy and distribute verbatim copies
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That's all there is to it!

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XZ Utils Installation
=====================
0. Preface
1. Supported platforms
1.1. Compilers
1.2. Platform-specific notes
1.2.1. AIX
1.2.2. IRIX
1.2.3. MINIX 3
1.2.4. OpenVMS
1.2.5. Solaris, OpenSolaris, and derivatives
1.2.6. Tru64
1.2.7. Windows
1.2.8. DOS
1.2.9. z/OS
1.3. Adding support for new platforms
2. configure options
2.1. Static vs. dynamic linking of liblzma
2.2. Optimizing xzdec and lzmadec
3. xzgrep and other scripts
3.1. Dependencies
3.2. PATH
4. Tests
4.1 Testing in parallel
4.2 Cross compiling
5. Troubleshooting
5.1. "No C99 compiler was found."
5.2. "No POSIX conforming shell (sh) was found."
5.3. configure works but build fails at crc32_x86.S
5.4. Lots of warnings about symbol visibility
5.5. "make check" fails
5.6. liblzma.so (or similar) not found when running xz
0. Preface
----------
If you aren't familiar with building packages that use GNU Autotools,
see the file INSTALL.generic for generic instructions before reading
further.
If you are going to build a package for distribution, see also the
file PACKAGERS. It contains information that should help making the
binary packages as good as possible, but the information isn't very
interesting to those making local builds for private use or for use
in special situations like embedded systems.
1. Supported platforms
----------------------
XZ Utils are developed on GNU/Linux, but they should work on many
POSIX-like operating systems like *BSDs and Solaris, and even on
a few non-POSIX operating systems.
1.1. Compilers
A C99 compiler is required to compile XZ Utils. If you use GCC, you
need at least version 3.x.x. GCC version 2.xx.x doesn't support some
C99 features used in XZ Utils source code, thus GCC 2 won't compile
XZ Utils.
XZ Utils takes advantage of some GNU C extensions when building
with GCC. Because these extensions are used only when building
with GCC, it should be possible to use any C99 compiler.
1.2. Platform-specific notes
1.2.1. AIX
If you use IBM XL C compiler, pass CC=xlc_r to configure. If
you use CC=xlc instead, you must disable threading support
with --disable-threads (usually not recommended).
1.2.2. IRIX
MIPSpro 7.4.4m has been reported to produce broken code if using
the -O2 optimization flag ("make check" fails). Using -O1 should
work.
A problem has been reported when using shared liblzma. Passing
--disable-shared to configure works around this. Alternatively,
putting "-64" to CFLAGS to build a 64-bit version might help too.
1.2.3. MINIX 3
Version 3.3.0 and later are supported.
Multithreading isn't supported because MINIX 3 doesn't have
pthreads. The option --disable-threads must be passed to configure
as this isn't autodetected.
Note that disabling threads causes "make check" to show a few tests
as skipped ("SKIP"). It's only due to a few threading-dependent
subtests are skipped. See the matching tests/test_*.log files.
1.2.4. OpenVMS
XZ Utils can be built for OpenVMS, but the build system files
are not included in the XZ Utils source package. The required
OpenVMS-specific files are maintained by Jouk Jansen and can be
downloaded here:
http://nchrem.tnw.tudelft.nl/openvms/software2.html#xzutils
1.2.5. Solaris, OpenSolaris, and derivatives
The following linker error has been reported on some x86 systems:
ld: fatal: relocation error: R_386_GOTOFF: ...
This can be worked around by passing gl_cv_cc_visibility=no
as an argument to the configure script.
test_scripts.sh in "make check" may fail if good enough tools are
missing from PATH (/usr/xpg4/bin or /usr/xpg6/bin). Nowadays
/usr/xpg4/bin is added to the script PATH by default on Solaris
(see --enable-path-for-scripts=PREFIX in section 2), but old xz
releases needed extra steps. See sections 5.5 and 3.2 for more
information.
1.2.6. Tru64
If you try to use the native C compiler on Tru64 (passing CC=cc to
configure), you may need the workaround mention in section 5.1 in
this file (pass also ac_cv_prog_cc_c99= to configure).
1.2.7. Windows
The "windows" directory contains instructions for a few types
of builds:
- INSTALL-MinGW-w64_with_CMake.txt
Simple instructions how to build XZ Utils natively on
Windows using only CMake and a prebuilt toolchain
(GCC + MinGW-w64 or Clang/LLVM + MinGW-w64).
- INSTALL-MinGW-w64_with_Autotools.txt
Native build under MSYS2 or cross-compilation from
GNU/Linux using a bash script that creates a .zip
and .7z archives of the binaries and documentation.
The related file README-Windows.txt is for the
resulting binary package.
- INSTALL-MSVC.txt
Building with MSVC / Visual Studio and CMake.
- liblzma-crt-mixing.txt
Documentation what to take into account as a programmer
if liblzma.dll and the application don't use the same
CRT (MSVCRT or UCRT).
Other choices:
- Cygwin: https://cygwin.com/
Building on Cygwin can be done like on many POSIX operating
systems. XZ Utils >= 5.2.0 isn't compatible with Cygwin older
than 1.7.35 (data loss!). 1.7.35 was released on 2015-03-04.
- MSYS2: https://www.msys2.org/
1.2.8. DOS
There is a Makefile in the "dos" directory to build XZ Utils on
DOS using DJGPP. Support for long file names (LFN) is needed at
build time but the resulting xz.exe works without LFN support too.
See dos/INSTALL.txt and dos/README.txt for more information.
1.2.9. z/OS
To build XZ Utils on z/OS UNIX System Services using xlc, pass
these options to the configure script: CC='xlc -qhaltonmsg=CCN3296'
CPPFLAS='-D_UNIX03_THREADS -D_XOPEN_SOURCE=600'. The first makes
xlc throw an error if a header file is missing, which is required
to make the tests in configure work. The CPPFLAGS are needed to
get pthread support (some other CPPFLAGS may work too; if there
are problems, try -D_UNIX95_THREADS instead of -D_UNIX03_THREADS).
test_scripts.sh in "make check" will fail even if the scripts
actually work because the test data includes compressed files
with US-ASCII text.
No other tests should fail. If test_files.sh fails, check that
the included .xz test files weren't affected by EBCDIC conversion.
XZ Utils doesn't have code to detect the amount of physical RAM and
number of CPU cores on z/OS.
1.3. Adding support for new platforms
If you have written patches to make XZ Utils to work on previously
unsupported platform, please send the patches to me! I will consider
including them to the official version. It's nice to minimize the
need of third-party patching.
One exception: Don't request or send patches to change the whole
source package to C89. I find C99 substantially nicer to write and
maintain. However, the public library headers must be in C89 to
avoid frustrating those who maintain programs, which are strictly
in C89 or C++.
2. configure options
--------------------
In most cases, the defaults are what you want. Many of the options
below are useful only when building a size-optimized version of
liblzma or command line tools.
--enable-encoders=LIST
--disable-encoders
Specify a comma-separated LIST of filter encoders to
build. See "./configure --help" for exact list of
available filter encoders. The default is to build all
supported encoders.
If LIST is empty or --disable-encoders is used, no filter
encoders will be built and also the code shared between
encoders will be omitted.
Disabling encoders will remove some symbols from the
liblzma ABI, so this option should be used only when it
is known to not cause problems.
--enable-decoders=LIST
--disable-decoders
This is like --enable-encoders but for decoders. The
default is to build all supported decoders.
--enable-match-finders=LIST
liblzma includes two categories of match finders:
hash chains and binary trees. Hash chains (hc3 and hc4)
are quite fast but they don't provide the best compression
ratio. Binary trees (bt2, bt3 and bt4) give excellent
compression ratio, but they are slower and need more
memory than hash chains.
You need to enable at least one match finder to build the
LZMA1 or LZMA2 filter encoders. Usually hash chains are
used only in the fast mode, while binary trees are used to
when the best compression ratio is wanted.
The default is to build all the match finders if LZMA1
or LZMA2 filter encoders are being built.
--enable-checks=LIST
liblzma support multiple integrity checks. CRC32 is
mandatory, and cannot be omitted. See "./configure --help"
for exact list of available integrity check types.
liblzma and the command line tools can decompress files
which use unsupported integrity check type, but naturally
the file integrity cannot be verified in that case.
Disabling integrity checks may remove some symbols from
the liblzma ABI, so this option should be used only when
it is known to not cause problems.
--enable-external-sha256
Try to use SHA-256 code from the operating system libc
or similar base system libraries. This doesn't try to
use OpenSSL or libgcrypt or such libraries.
The reasons to use this option:
- It makes liblzma slightly smaller.
- It might improve SHA-256 speed if the implementation
in the operating is very good (but see below).
External SHA-256 is disabled by default for two reasons:
- On some operating systems the symbol names of the
SHA-256 functions conflict with OpenSSL's libcrypto.
This causes weird problems such as decompression
errors if an application is linked against both
liblzma and libcrypto. This problem affects at least
FreeBSD 10 and older and MINIX 3.3.0 and older, but
other OSes that provide a function "SHA256_Init" might
also be affected. FreeBSD 11 has the problem fixed.
NetBSD had the problem but it was fixed it in 2009
already. OpenBSD uses "SHA256Init" and thus never had
a conflict with libcrypto.
- The SHA-256 code in liblzma is faster than the SHA-256
code provided by some operating systems. If you are
curious, build two copies of xz (internal and external
SHA-256) and compare the decompression (xz --test)
times:
dd if=/dev/zero bs=1024k count=1024 \
| xz -v -0 -Csha256 > foo.xz
time xz --test foo.xz
--disable-microlzma
Don't build MicroLZMA encoder and decoder. This omits
lzma_microlzma_encoder() and lzma_microlzma_decoder()
API functions from liblzma. These functions are needed
by specific applications only. They were written for
erofs-utils but they may be used by others too.
--disable-lzip-decoder
Disable decompression support for .lz (lzip) files.
This omits the API function lzma_lzip_decoder() from
liblzma and .lz support from the xz tool.
--disable-xz
--disable-xzdec
--disable-lzmadec
--disable-lzmainfo
Don't build and install the command line tool mentioned
in the option name.
NOTE: Disabling xz will skip some tests in "make check".
NOTE: If xzdec is disabled and lzmadec is left enabled,
a dangling man page symlink lzmadec.1 -> xzdec.1 is
created.
--disable-lzma-links
Don't create symlinks for LZMA Utils compatibility.
This includes lzma, unlzma, and lzcat. If scripts are
installed, also lzdiff, lzcmp, lzgrep, lzegrep, lzfgrep,
lzmore, and lzless will be omitted if this option is used.
--disable-scripts
Don't install the scripts xzdiff, xzgrep, xzmore, xzless,
and their symlinks.
--disable-doc
Don't install the documentation files to $docdir
(often /usr/doc/xz or /usr/local/doc/xz). Man pages
will still be installed. The $docdir can be changed
with --docdir=DIR.
--enable-doxygen
Enable generation of the HTML version of the liblzma API
documentation using Doxygen. The resulting files are
installed to $docdir/api. This option assumes that
the 'doxygen' tool is available.
--disable-assembler
This disables CRC32 and CRC64 assembly code on
32-bit x86. This option currently does nothing
on other architectures (not even on x86-64).
The 32-bit x86 assembly is position-independent code
which is suitable for use in shared libraries and
position-independent executables. It uses only i386
instructions but the code is optimized for i686 class
CPUs. If you are compiling liblzma exclusively for
pre-i686 systems, you may want to disable the assembler
code.
--disable-clmul-crc
Disable the use of carryless multiplication for CRC
calculation even if compiler support for it is detected.
The code uses runtime detection of SSSE3, SSE4.1, and
CLMUL instructions on x86. On 32-bit x86 this currently
is used only if --disable-assembler is used (this might
be fixed in the future). The code works on E2K too.
If using compiler options that unconditionally allow the
required extensions (-msse4.1 -mpclmul) then runtime
detection isn't used and the generic code is omitted.
--disable-arm64-crc32
Disable the use of the ARM64 CRC32 instruction extension
even if compiler support for it is detected. The code will
detect support for the instruction at runtime.
If using compiler options that unconditionally allow the
required extensions (-march=armv8-a+crc or -march=armv8.1-a
and later) then runtime detection isn't used and the
generic code is omitted.
--enable-unaligned-access
Allow liblzma to use unaligned memory access for 16-bit,
32-bit, and 64-bit loads and stores. This should be
enabled only when the hardware supports this, that is,
when unaligned access is fast. Some operating system
kernels emulate unaligned access, which is extremely
slow. This option shouldn't be used on systems that
rely on such emulation.
Unaligned access is enabled by default on these:
- 32-bit x86
- 64-bit x86-64
- 32-bit big endian PowerPC
- 64-bit big endian PowerPC
- 64-bit little endian PowerPC
- some RISC-V [1]
- some 32-bit ARM [2]
- some 64-bit ARM64 [2] (NOTE: Autodetection bug
if using GCC -mstrict-align, see below.)
[1] Unaligned access is enabled by default if
configure sees that the C compiler
#defines __riscv_misaligned_fast.
[2] Unaligned access is enabled by default if
configure sees that the C compiler
#defines __ARM_FEATURE_UNALIGNED:
- ARMv7 + GCC or Clang: It works. The options
-munaligned-access and -mno-unaligned-access
affect this macro correctly.
- ARM64 + Clang: It works. The options
-munaligned-access, -mno-unaligned-access,
and -mstrict-align affect this macro correctly.
Clang >= 17 supports -mno-strict-align too.
- ARM64 + GCC: It partially works. The macro
is always #defined by GCC versions at least
up to 13.2, even when using -mstrict-align.
If building for strict-align ARM64, the
configure option --disable-unaligned-access
should be used if using a GCC version that has
this issue because otherwise the performance
may be degraded. It likely won't crash due to
how unaligned access is done in the C code.
--enable-unsafe-type-punning
This enables use of code like
uint8_t *buf8 = ...;
*(uint32_t *)buf8 = ...;
which violates strict aliasing rules and may result
in broken code. There should be no need to use this
option with recent GCC or Clang versions on any
arch as just as fast code can be generated in a safe
way too (using __builtin_assume_aligned + memcpy).
However, this option might improve performance in some
other cases, especially with old compilers (for example,
GCC 3 and early 4.x on x86, GCC < 6 on ARMv6 and ARMv7).
--enable-small
Reduce the size of liblzma by selecting smaller but
semantically equivalent version of some functions, and
omit precomputed lookup tables. This option tends to
make liblzma slightly slower.
Note that while omitting the precomputed tables makes
liblzma smaller on disk, the tables are still needed at
run time, and need to be computed at startup. This also
means that the RAM holding the tables won't be shared
between applications linked against shared liblzma.
This option doesn't modify CFLAGS to tell the compiler
to optimize for size. You need to add -Os or equivalent
flag(s) to CFLAGS manually.
--enable-assume-ram=SIZE
On the most common operating systems, XZ Utils is able to
detect the amount of physical memory on the system. This
information is used by the options --memlimit-compress,
--memlimit-decompress, and --memlimit when setting the
limit to a percentage of total RAM.
On some systems, there is no code to detect the amount of
RAM though. Using --enable-assume-ram one can set how much
memory to assume on these systems. SIZE is given as MiB.
The default is 128 MiB.
Feel free to send patches to add support for detecting
the amount of RAM on the operating system you use. See
src/common/tuklib_physmem.c for details.
--enable-threads=METHOD
Threading support is enabled by default so normally there
is no need to specify this option.
Supported values for METHOD:
yes Autodetect the threading method. If none
is found, configure will give an error.
posix Use POSIX pthreads. This is the default
except on Windows outside Cygwin.
win95 Use Windows 95 compatible threads. This
is compatible with Windows XP and later
too. This is the default for 32-bit x86
Windows builds. Unless the compiler
supports __attribute__((__constructor__)),
the 'win95' threading is incompatible with
--enable-small.
vista Use Windows Vista compatible threads. The
resulting binaries won't run on Windows XP
or older. This is the default for Windows
excluding 32-bit x86 builds (that is, on
x86-64 the default is 'vista').
no Disable threading support. This is the
same as using --disable-threads.
NOTE: If combined with --enable-small
and the compiler doesn't support
__attribute__((__constructor__)), the
resulting liblzma won't be thread safe,
that is, if a multi-threaded application
calls any liblzma functions from more than
one thread, something bad may happen.
--enable-sandbox=METHOD
There is limited sandboxing support in the xz and xzdec
tools. If built with sandbox support, xz uses it
automatically when (de)compressing exactly one file to
standard output when the options --files or --files0 aren't
used. This is a common use case, for example,
(de)compressing .tar.xz files via GNU tar. The sandbox is
also used for single-file 'xz --test' or 'xz --list'.
xzdec always uses the sandbox, except when more than one
file are decompressed. In this case it will enable the
sandbox for the last file that is decompressed.
Supported METHODs:
auto Look for a supported sandboxing method
and use it if found. If no method is
found, then sandboxing isn't used.
This is the default.
no Disable sandboxing support.
capsicum
Use Capsicum (FreeBSD >= 10.2) for
sandboxing. If no Capsicum support
is found, configure will give an error.
pledge Use pledge(2) (OpenBSD >= 5.9) for
sandboxing. If pledge(2) isn't found,
configure will give an error.
landlock
Use Landlock (Linux >= 5.13) for
sandboxing. If no Landlock support
is found, configure will give an error.
--enable-symbol-versions[=VARIANT]
Use symbol versioning for liblzma shared library.
This is enabled by default on GNU/Linux (glibc only),
other GNU-based systems, and FreeBSD.
Symbol versioning is never used for static liblzma. This
option is ignored when not building a shared library.
Supported VARIANTs:
no Disable symbol versioning. This is the
same as using --disable-symbol-versions.
auto Autodetect between "no", "linux",
and "generic".
yes Autodetect between "linux" and
"generic". This forces symbol
versioning to be used when
building a shared library.
generic Generic version is the default for
FreeBSD and GNU/Linux on MicroBlaze.
This is also used on GNU/Linux when
building with NVIDIA HPC Compiler
because the compiler doesn't support
the features required for the "linux"
variant below.
linux Special version for GNU/Linux (glibc
only). This adds a few extra symbol
versions for compatibility with binaries
that have been linked against a liblzma
version that has been patched with
"xz-5.2.2-compat-libs.patch" from
RHEL/CentOS 7. That patch was used
by some build tools outside of
RHEL/CentOS 7 too.
--enable-debug
This enables the assert() macro and possibly some other
run-time consistency checks. It makes the code slower, so
you normally don't want to have this enabled.
--enable-werror
If building with GCC, make all compiler warnings an error,
that abort the compilation. This may help catching bugs,
and should work on most systems. This has no effect on the
resulting binaries.
--enable-path-for-scripts=PREFIX
If PREFIX isn't empty, PATH=PREFIX:$PATH will be set in
the beginning of the scripts (xzgrep and others).
The default is empty except on Solaris the default is
/usr/xpg4/bin.
This can be useful if the default PATH doesn't contain
modern POSIX tools (as can be the case on Solaris) or if
one wants to ensure that the correct xz binary is in the
PATH for the scripts. Note that the latter use can break
"make check" if the prefixed PATH causes a wrong xz binary
(other than the one that was just built) to be used.
Older xz releases support a different method for setting
the PATH for the scripts. It is described in section 3.2
and is supported in this xz version too.
2.1. Static vs. dynamic linking of liblzma
On 32-bit x86, linking against static liblzma can give a minor
speed improvement. Static libraries on x86 are usually compiled as
position-dependent code (non-PIC) and shared libraries are built as
position-independent code (PIC). PIC wastes one register, which can
make the code slightly slower compared to a non-PIC version. (Note
that this doesn't apply to x86-64.)
If you want to link xz against static liblzma, the simplest way
is to pass --disable-shared to configure. If you want also shared
liblzma, run configure again and run "make install" only for
src/liblzma.
2.2. Optimizing xzdec and lzmadec
xzdec and lzmadec are intended to be relatively small instead of
optimizing for the best speed. Thus, it is a good idea to build
xzdec and lzmadec separately:
- To link the tools against static liblzma, pass --disable-shared
to configure.
- To select somewhat size-optimized variant of some things in
liblzma, pass --enable-small to configure.
- Tell the compiler to optimize for size instead of speed.
For example, with GCC, put -Os into CFLAGS.
- xzdec and lzmadec will never use multithreading capabilities of
liblzma. You can avoid dependency on libpthread by passing
--disable-threads to configure.
- There are and will be no translated messages for xzdec and
lzmadec, so it is fine to pass also --disable-nls to configure.
- Only decoder code is needed, so you can speed up the build
slightly by passing --disable-encoders to configure. This
shouldn't affect the final size of the executables though,
because the linker is able to omit the encoder code anyway.
If you have no use for xzdec or lzmadec, you can disable them with
--disable-xzdec and --disable-lzmadec.
3. xzgrep and other scripts
---------------------------
3.1. Dependencies
POSIX shell (sh) and bunch of other standard POSIX tools are required
to run the scripts. The configure script tries to find a POSIX
compliant sh, but if it fails, you can force the shell by passing
gl_cv_posix_shell=/path/to/posix-sh as an argument to the configure
script.
xzdiff (xzcmp/lzdiff/lzcmp) may use mktemp if it is available. As
a fallback xzdiff will use mkdir to securely create a temporary
directory. Having mktemp available is still recommended since the
mkdir fallback method isn't as robust as mktemp is. The original
mktemp can be found from <https://www.mktemp.org/>. On GNU, most will
use the mktemp program from GNU coreutils instead of the original
implementation. Both mktemp versions are fine.
In addition to using xz to decompress .xz files, xzgrep and xzdiff
use gzip, bzip2, and lzop to support .gz, bz2, and .lzo files.
3.2. PATH
The method described below is supported by older xz releases.
It is supported by the current version too, but the newer
--enable-path-for-scripts=PREFIX described in section 2 may be
more convenient.
The scripts assume that the required tools (standard POSIX utilities,
mktemp, and xz) are in PATH; the scripts don't set the PATH themselves
(except as described for --enable-path-for-scripts=PREFIX). Some
people like this while some think this is a bug. Those in the latter
group can easily patch the scripts before running the configure script
by taking advantage of a placeholder line in the scripts.
For example, to make the scripts prefix /usr/bin:/bin to PATH:
perl -pi -e 's|^#SET_PATH.*$|PATH=/usr/bin:/bin:\$PATH|' \
src/scripts/xz*.in
4. Tests
--------
The test framework can be built and run by executing "make check" in
the build directory. The tests are a mix of executables and POSIX
shell scripts (sh). All tests should pass if the default configuration
is used. Disabling features through the configure options may cause
some tests to be skipped. If any tests do not pass, see section 5.5.
4.1. Testing in parallel
The tests can be run in parallel using the "-j" make option on systems
that support it. For instance, "make -j4 check" will run up to four
tests simultaneously.
4.2. Cross compiling
The tests can be built without running them:
make check TESTS=
The TESTS variable is the list of tests you wish to run. Leaving it
empty will compile the tests without running any.
If the tests are copied to a target machine to execute, the test data
files in the directory tests/files must also be copied. The tests
search for the data files using the environment variable $srcdir,
expecting to find the data files under $srcdir/files/. If $srcdir
isn't set then it defaults to the current directory.
The shell script tests can be copied from the source directory to the
target machine to execute. In addition to the test files, these tests
will expect the following relative file paths to execute properly:
./create_compress_files
../config.h
../src/xz/xz
../src/xzdec/xzdec
../src/scripts/xzdiff
../src/scripts/xzgrep
5. Troubleshooting
------------------
5.1. "No C99 compiler was found."
You need a C99 compiler to build XZ Utils. If the configure script
cannot find a C99 compiler and you think you have such a compiler
installed, set the compiler command by passing CC=/path/to/c99 as
an argument to the configure script.
If you get this error even when you think your compiler supports C99,
you can override the test by passing ac_cv_prog_cc_c99= as an argument
to the configure script. The test for C99 compiler is not perfect (and
it is not as easy to make it perfect as it sounds), so sometimes this
may be needed. You will get a compile error if your compiler doesn't
support enough C99.
5.2. "No POSIX conforming shell (sh) was found."
xzgrep and other scripts need a shell that (roughly) conforms
to POSIX. The configure script tries to find such a shell. If
it fails, you can force the shell to be used by passing
gl_cv_posix_shell=/path/to/posix-sh as an argument to the configure
script. Alternatively you can omit the installation of scripts and
this error by passing --disable-scripts to configure.
5.3. configure works but build fails at crc32_x86.S
The easy fix is to pass --disable-assembler to the configure script.
The configure script determines if assembler code can be used by
looking at the configure triplet; there is currently no check if
the assembler code can actually actually be built. The x86 assembler
code should work on x86 GNU/Linux, *BSDs, Solaris, Darwin, MinGW,
Cygwin, and DJGPP. On other x86 systems, there may be problems and
the assembler code may need to be disabled with the configure option.
If you get this error when building for x86-64, you have specified or
the configure script has misguessed your architecture. Pass the
correct configure triplet using the --build=CPU-COMPANY-SYSTEM option
(see INSTALL.generic).
5.4. Lots of warnings about symbol visibility
On some systems where symbol visibility isn't supported, GCC may
still accept the visibility options and attributes, which will make
configure think that visibility is supported. This will result in
many compiler warnings. You can avoid the warnings by forcing the
visibility support off by passing gl_cv_cc_visibility=no as an
argument to the configure script. This has no effect on the
resulting binaries, but fewer warnings looks nicer and may allow
using --enable-werror.
5.5. "make check" fails
If the other tests pass but test_scripts.sh fails, then the problem
is in the scripts in src/scripts. Comparing the contents of
tests/xzgrep_test_output to tests/xzgrep_expected_output might
give a good idea about problems in xzgrep. One possibility is that
some tools are missing from the current PATH or the tools lack
support for some POSIX features. This can happen at least on
Solaris where the tools in /bin may be ancient but good enough
tools are available in /usr/xpg4/bin or /usr/xpg6/bin. For possible
fixes, see --enable-path-for-scripts=PREFIX in section 2 and the
older alternative method described in section 3.2 of this file.
If tests other than test_scripts.sh fail, a likely reason is that
libtool links the test programs against an installed version of
liblzma instead of the version that was just built. This is
obviously a bug which seems to happen on some platforms.
A workaround is to uninstall the old liblzma versions first.
If the problem isn't any of those described above, then it's likely
a bug in XZ Utils or in the compiler. See the platform-specific
notes in this file for possible known problems. Please report
a bug if you cannot solve the problem. See README for contact
information.
5.6. liblzma.so (or similar) not found when running xz
If you installed the package with "make install" and get an error
about liblzma.so (or a similarly named file) being missing, try
running "ldconfig" to update the run-time linker cache (if your
operating system has such a command).

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Installation Instructions
*************************
Copyright (C) 1994-1996, 1999-2002, 2004-2016 Free Software
Foundation, Inc.
Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved. This file is offered as-is,
without warranty of any kind.
Basic Installation
==================
Briefly, the shell command './configure && make && make install'
should configure, build, and install this package. The following
more-detailed instructions are generic; see the 'README' file for
instructions specific to this package. Some packages provide this
'INSTALL' file but do not implement all of the features documented
below. The lack of an optional feature in a given package is not
necessarily a bug. More recommendations for GNU packages can be found
in *note Makefile Conventions: (standards)Makefile Conventions.
The 'configure' shell script attempts to guess correct values for
various system-dependent variables used during compilation. It uses
those values to create a 'Makefile' in each directory of the package.
It may also create one or more '.h' files containing system-dependent
definitions. Finally, it creates a shell script 'config.status' that
you can run in the future to recreate the current configuration, and a
file 'config.log' containing compiler output (useful mainly for
debugging 'configure').
It can also use an optional file (typically called 'config.cache' and
enabled with '--cache-file=config.cache' or simply '-C') that saves the
results of its tests to speed up reconfiguring. Caching is disabled by
default to prevent problems with accidental use of stale cache files.
If you need to do unusual things to compile the package, please try
to figure out how 'configure' could check whether to do them, and mail
diffs or instructions to the address given in the 'README' so they can
be considered for the next release. If you are using the cache, and at
some point 'config.cache' contains results you don't want to keep, you
may remove or edit it.
The file 'configure.ac' (or 'configure.in') is used to create
'configure' by a program called 'autoconf'. You need 'configure.ac' if
you want to change it or regenerate 'configure' using a newer version of
'autoconf'.
The simplest way to compile this package is:
1. 'cd' to the directory containing the package's source code and type
'./configure' to configure the package for your system.
Running 'configure' might take a while. While running, it prints
some messages telling which features it is checking for.
2. Type 'make' to compile the package.
3. Optionally, type 'make check' to run any self-tests that come with
the package, generally using the just-built uninstalled binaries.
4. Type 'make install' to install the programs and any data files and
documentation. When installing into a prefix owned by root, it is
recommended that the package be configured and built as a regular
user, and only the 'make install' phase executed with root
privileges.
5. Optionally, type 'make installcheck' to repeat any self-tests, but
this time using the binaries in their final installed location.
This target does not install anything. Running this target as a
regular user, particularly if the prior 'make install' required
root privileges, verifies that the installation completed
correctly.
6. You can remove the program binaries and object files from the
source code directory by typing 'make clean'. To also remove the
files that 'configure' created (so you can compile the package for
a different kind of computer), type 'make distclean'. There is
also a 'make maintainer-clean' target, but that is intended mainly
for the package's developers. If you use it, you may have to get
all sorts of other programs in order to regenerate files that came
with the distribution.
7. Often, you can also type 'make uninstall' to remove the installed
files again. In practice, not all packages have tested that
uninstallation works correctly, even though it is required by the
GNU Coding Standards.
8. Some packages, particularly those that use Automake, provide 'make
distcheck', which can by used by developers to test that all other
targets like 'make install' and 'make uninstall' work correctly.
This target is generally not run by end users.
Compilers and Options
=====================
Some systems require unusual options for compilation or linking that
the 'configure' script does not know about. Run './configure --help'
for details on some of the pertinent environment variables.
You can give 'configure' initial values for configuration parameters
by setting variables in the command line or in the environment. Here is
an example:
./configure CC=c99 CFLAGS=-g LIBS=-lposix
*Note Defining Variables::, for more details.
Compiling For Multiple Architectures
====================================
You can compile the package for more than one kind of computer at the
same time, by placing the object files for each architecture in their
own directory. To do this, you can use GNU 'make'. 'cd' to the
directory where you want the object files and executables to go and run
the 'configure' script. 'configure' automatically checks for the source
code in the directory that 'configure' is in and in '..'. This is known
as a "VPATH" build.
With a non-GNU 'make', it is safer to compile the package for one
architecture at a time in the source code directory. After you have
installed the package for one architecture, use 'make distclean' before
reconfiguring for another architecture.
On MacOS X 10.5 and later systems, you can create libraries and
executables that work on multiple system types--known as "fat" or
"universal" binaries--by specifying multiple '-arch' options to the
compiler but only a single '-arch' option to the preprocessor. Like
this:
./configure CC="gcc -arch i386 -arch x86_64 -arch ppc -arch ppc64" \
CXX="g++ -arch i386 -arch x86_64 -arch ppc -arch ppc64" \
CPP="gcc -E" CXXCPP="g++ -E"
This is not guaranteed to produce working output in all cases, you
may have to build one architecture at a time and combine the results
using the 'lipo' tool if you have problems.
Installation Names
==================
By default, 'make install' installs the package's commands under
'/usr/local/bin', include files under '/usr/local/include', etc. You
can specify an installation prefix other than '/usr/local' by giving
'configure' the option '--prefix=PREFIX', where PREFIX must be an
absolute file name.
You can specify separate installation prefixes for
architecture-specific files and architecture-independent files. If you
pass the option '--exec-prefix=PREFIX' to 'configure', the package uses
PREFIX as the prefix for installing programs and libraries.
Documentation and other data files still use the regular prefix.
In addition, if you use an unusual directory layout you can give
options like '--bindir=DIR' to specify different values for particular
kinds of files. Run 'configure --help' for a list of the directories
you can set and what kinds of files go in them. In general, the default
for these options is expressed in terms of '${prefix}', so that
specifying just '--prefix' will affect all of the other directory
specifications that were not explicitly provided.
The most portable way to affect installation locations is to pass the
correct locations to 'configure'; however, many packages provide one or
both of the following shortcuts of passing variable assignments to the
'make install' command line to change installation locations without
having to reconfigure or recompile.
The first method involves providing an override variable for each
affected directory. For example, 'make install
prefix=/alternate/directory' will choose an alternate location for all
directory configuration variables that were expressed in terms of
'${prefix}'. Any directories that were specified during 'configure',
but not in terms of '${prefix}', must each be overridden at install time
for the entire installation to be relocated. The approach of makefile
variable overrides for each directory variable is required by the GNU
Coding Standards, and ideally causes no recompilation. However, some
platforms have known limitations with the semantics of shared libraries
that end up requiring recompilation when using this method, particularly
noticeable in packages that use GNU Libtool.
The second method involves providing the 'DESTDIR' variable. For
example, 'make install DESTDIR=/alternate/directory' will prepend
'/alternate/directory' before all installation names. The approach of
'DESTDIR' overrides is not required by the GNU Coding Standards, and
does not work on platforms that have drive letters. On the other hand,
it does better at avoiding recompilation issues, and works well even
when some directory options were not specified in terms of '${prefix}'
at 'configure' time.
Optional Features
=================
If the package supports it, you can cause programs to be installed
with an extra prefix or suffix on their names by giving 'configure' the
option '--program-prefix=PREFIX' or '--program-suffix=SUFFIX'.
Some packages pay attention to '--enable-FEATURE' options to
'configure', where FEATURE indicates an optional part of the package.
They may also pay attention to '--with-PACKAGE' options, where PACKAGE
is something like 'gnu-as' or 'x' (for the X Window System). The
'README' should mention any '--enable-' and '--with-' options that the
package recognizes.
For packages that use the X Window System, 'configure' can usually
find the X include and library files automatically, but if it doesn't,
you can use the 'configure' options '--x-includes=DIR' and
'--x-libraries=DIR' to specify their locations.
Some packages offer the ability to configure how verbose the
execution of 'make' will be. For these packages, running './configure
--enable-silent-rules' sets the default to minimal output, which can be
overridden with 'make V=1'; while running './configure
--disable-silent-rules' sets the default to verbose, which can be
overridden with 'make V=0'.
Particular systems
==================
On HP-UX, the default C compiler is not ANSI C compatible. If GNU CC
is not installed, it is recommended to use the following options in
order to use an ANSI C compiler:
./configure CC="cc -Ae -D_XOPEN_SOURCE=500"
and if that doesn't work, install pre-built binaries of GCC for HP-UX.
HP-UX 'make' updates targets which have the same time stamps as their
prerequisites, which makes it generally unusable when shipped generated
files such as 'configure' are involved. Use GNU 'make' instead.
On OSF/1 a.k.a. Tru64, some versions of the default C compiler cannot
parse its '<wchar.h>' header file. The option '-nodtk' can be used as a
workaround. If GNU CC is not installed, it is therefore recommended to
try
./configure CC="cc"
and if that doesn't work, try
./configure CC="cc -nodtk"
On Solaris, don't put '/usr/ucb' early in your 'PATH'. This
directory contains several dysfunctional programs; working variants of
these programs are available in '/usr/bin'. So, if you need '/usr/ucb'
in your 'PATH', put it _after_ '/usr/bin'.
On Haiku, software installed for all users goes in '/boot/common',
not '/usr/local'. It is recommended to use the following options:
./configure --prefix=/boot/common
Specifying the System Type
==========================
There may be some features 'configure' cannot figure out
automatically, but needs to determine by the type of machine the package
will run on. Usually, assuming the package is built to be run on the
_same_ architectures, 'configure' can figure that out, but if it prints
a message saying it cannot guess the machine type, give it the
'--build=TYPE' option. TYPE can either be a short name for the system
type, such as 'sun4', or a canonical name which has the form:
CPU-COMPANY-SYSTEM
where SYSTEM can have one of these forms:
OS
KERNEL-OS
See the file 'config.sub' for the possible values of each field. If
'config.sub' isn't included in this package, then this package doesn't
need to know the machine type.
If you are _building_ compiler tools for cross-compiling, you should
use the option '--target=TYPE' to select the type of system they will
produce code for.
If you want to _use_ a cross compiler, that generates code for a
platform different from the build platform, you should specify the
"host" platform (i.e., that on which the generated programs will
eventually be run) with '--host=TYPE'.
Sharing Defaults
================
If you want to set default values for 'configure' scripts to share,
you can create a site shell script called 'config.site' that gives
default values for variables like 'CC', 'cache_file', and 'prefix'.
'configure' looks for 'PREFIX/share/config.site' if it exists, then
'PREFIX/etc/config.site' if it exists. Or, you can set the
'CONFIG_SITE' environment variable to the location of the site script.
A warning: not all 'configure' scripts look for a site script.
Defining Variables
==================
Variables not defined in a site shell script can be set in the
environment passed to 'configure'. However, some packages may run
configure again during the build, and the customized values of these
variables may be lost. In order to avoid this problem, you should set
them in the 'configure' command line, using 'VAR=value'. For example:
./configure CC=/usr/local2/bin/gcc
causes the specified 'gcc' to be used as the C compiler (unless it is
overridden in the site shell script).
Unfortunately, this technique does not work for 'CONFIG_SHELL' due to an
Autoconf limitation. Until the limitation is lifted, you can use this
workaround:
CONFIG_SHELL=/bin/bash ./configure CONFIG_SHELL=/bin/bash
'configure' Invocation
======================
'configure' recognizes the following options to control how it
operates.
'--help'
'-h'
Print a summary of all of the options to 'configure', and exit.
'--help=short'
'--help=recursive'
Print a summary of the options unique to this package's
'configure', and exit. The 'short' variant lists options used only
in the top level, while the 'recursive' variant lists options also
present in any nested packages.
'--version'
'-V'
Print the version of Autoconf used to generate the 'configure'
script, and exit.
'--cache-file=FILE'
Enable the cache: use and save the results of the tests in FILE,
traditionally 'config.cache'. FILE defaults to '/dev/null' to
disable caching.
'--config-cache'
'-C'
Alias for '--cache-file=config.cache'.
'--quiet'
'--silent'
'-q'
Do not print messages saying which checks are being made. To
suppress all normal output, redirect it to '/dev/null' (any error
messages will still be shown).
'--srcdir=DIR'
Look for the package's source code in directory DIR. Usually
'configure' can determine that directory automatically.
'--prefix=DIR'
Use DIR as the installation prefix. *note Installation Names:: for
more details, including other options available for fine-tuning the
installation locations.
'--no-create'
'-n'
Run the configure checks, but stop before creating any output
files.
'configure' also accepts some other, not widely useful, options. Run
'configure --help' for more details.

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## SPDX-License-Identifier: 0BSD
## Author: Lasse Collin
# Use -n to prevent gzip from adding a timestamp to the .gz headers.
GZIP_ENV = -9n
DIST_SUBDIRS = lib src po tests debug
SUBDIRS =
if COND_GNULIB
SUBDIRS += lib
endif
SUBDIRS += src po tests
if COND_DOC
dist_doc_DATA = \
AUTHORS \
COPYING \
COPYING.0BSD \
COPYING.GPLv2 \
NEWS \
README \
THANKS \
doc/faq.txt \
doc/history.txt \
doc/xz-file-format.txt \
doc/lzma-file-format.txt
examplesdir = $(docdir)/examples
dist_examples_DATA = \
doc/examples/00_README.txt \
doc/examples/01_compress_easy.c \
doc/examples/02_decompress.c \
doc/examples/03_compress_custom.c \
doc/examples/04_compress_easy_mt.c \
doc/examples/11_file_info.c \
doc/examples/Makefile
endif
EXTRA_DIST = \
cmake \
dos \
doxygen \
extra \
po4a \
windows \
CMakeLists.txt \
COPYING.GPLv2 \
COPYING.GPLv3 \
COPYING.LGPLv2.1 \
INSTALL.generic \
PACKAGERS \
TODO \
autogen.sh \
build-aux/manconv.sh \
build-aux/version.sh \
po/xz.pot-header
ACLOCAL_AMFLAGS = -I m4
# List of man pages to convert to plain text in the dist-hook target
# or to PDF in the pdf-local target.
manfiles = \
src/xz/xz.1 \
src/xzdec/xzdec.1 \
src/lzmainfo/lzmainfo.1 \
src/scripts/xzdiff.1 \
src/scripts/xzgrep.1 \
src/scripts/xzless.1 \
src/scripts/xzmore.1
# Create ChangeLog from output of "git log --date=iso --stat".
# Convert the man pages to plain text (ASCII only) format.
dist-hook:
if test -d "$(srcdir)/.git" && type git > /dev/null 2>&1; then \
( cd "$(srcdir)" && git log --date=iso --stat \
b69da6d4bb6bb11fc0cf066920791990d2b22a06^..HEAD ) \
> "$(distdir)/ChangeLog"; \
fi
if type groff > /dev/null 2>&1; then \
dest="$(distdir)/doc/man" && \
$(MKDIR_P) "$$dest/txt" && \
for FILE in $(manfiles); do \
BASE=`basename $$FILE .1` && \
$(SHELL) "$(srcdir)/build-aux/manconv.sh" ascii \
< "$(srcdir)/$$FILE" \
> "$$dest/txt/$$BASE.txt"; \
done; \
fi
# This works with GNU tar and gives cleaner package than normal 'make dist'.
# This also ensures that the translations are up to date (dist-hook
# would be too late for that).
mydist:
$(SHELL) "$(srcdir)/src/liblzma/validate_map.sh"
cd po && $(MAKE) xz.pot-update
cd "$(srcdir)/po4a" && $(SHELL) update-po
VERSION=$(VERSION); \
if test -d "$(srcdir)/.git" && type git > /dev/null 2>&1; then \
SNAPSHOT=`cd "$(srcdir)" && git describe --abbrev=4 | cut -b2-`; \
test -n "$$SNAPSHOT" && VERSION=$$SNAPSHOT; \
fi; \
TAR_OPTIONS='--owner=0 --group=0 --numeric-owner --mode=u+rw,go+r-w' \
$(MAKE) VERSION="$$VERSION" dist-gzip
# NOTE: This only creates the PDFs. The install rules are missing.
pdf-local:
dest="doc/man" && \
$(MKDIR_P) "$$dest/pdf-a4" "$$dest/pdf-letter" && \
for FILE in $(manfiles); do \
BASE=`basename $$FILE .1` && \
$(SHELL) "$(srcdir)/build-aux/manconv.sh" pdf a4 \
< "$(srcdir)/$$FILE" \
> "$$dest/pdf-a4/$$BASE-a4.pdf" && \
$(SHELL) "$(srcdir)/build-aux/manconv.sh" pdf letter \
< "$(srcdir)/$$FILE" \
> "$$dest/pdf-letter/$$BASE-letter.pdf"; \
done

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Information to packagers of XZ Utils
====================================
0. Preface
1. Package naming
2. Package description
3. License
4. configure options
5. Additional documentation
6. Extra files
7. Installing XZ Utils and LZMA Utils in parallel
8. Example
0. Preface
----------
This document is meant for people who create and maintain XZ Utils
packages for operating system distributions. The focus is on GNU/Linux
systems, but most things apply to other systems too.
While the standard "configure && make DESTDIR=$PKG install" should
give a pretty good package, there are some details which packagers
may want to tweak.
Packagers should also read the INSTALL file.
1. Package naming
-----------------
The preferred name for the XZ Utils package is "xz", because that's
the name of the upstream tarball. Naturally you may have good reasons
to use some other name; I won't get angry about it. ;-) It's just nice
to be able to point people to the correct package name without asking
what distro they have.
If your distro policy is to split things into small pieces, here is
one suggestion:
xz xz, xzdec, scripts (xzdiff, xzgrep, etc.), docs
xz-lzma lzma, unlzma, lzcat, lzgrep etc. symlinks and
lzmadec binary for compatibility with LZMA Utils
liblzma liblzma.so.*
liblzma-devel liblzma.so, liblzma.a, API headers
liblzma-doc Example programs and, if enabled at build time,
Doxygen-generated liblzma API docs (HTML)
2. Package description
----------------------
Here is a suggestion which you may use as the package description.
If you can use only one-line description, pick only the first line.
Naturally, feel free to use some other description if you find it
better, and maybe send it to me too.
Library and command line tools for XZ and LZMA compressed files
XZ Utils provide a general purpose data compression library
and command line tools. The native file format is the .xz
format, but also the legacy .lzma format is supported. The .xz
format supports multiple compression algorithms, of which LZMA2
is currently the primary algorithm. With typical files, XZ Utils
create about 30 % smaller files than gzip.
If you are splitting XZ Utils into multiple packages, here are some
suggestions for package descriptions:
xz:
Command line tools for XZ and LZMA compressed files
This package includes the xz compression tool and other command
line tools from XZ Utils. xz has command line syntax similar to
that of gzip. The native file format is the .xz format, but also
the legacy .lzma format is supported. The .xz format supports
multiple compression algorithms, of which LZMA2 is currently the
primary algorithm. With typical files, XZ Utils create about 30 %
smaller files than gzip.
Note that this package doesn't include the files needed for
LZMA Utils 4.32.x compatibility. Install also the xz-lzma
package to make XZ Utils emulate LZMA Utils 4.32.x.
xz-lzma:
LZMA Utils emulation with XZ Utils
This package includes executables and symlinks to make
XZ Utils emulate lzma, unlzma, lzcat, and other command
line tools found from the legacy LZMA Utils 4.32.x package.
liblzma:
Library for XZ and LZMA compressed files
liblzma is a general purpose data compression library with
an API similar to that of zlib. liblzma supports multiple
algorithms, of which LZMA2 is currently the primary algorithm.
The native file format is .xz, but also the legacy .lzma
format and raw streams (no headers at all) are supported.
This package includes the shared library.
liblzma-devel:
Library for XZ and LZMA compressed files
This package includes the API headers, static library, and
other development files related to liblzma.
liblzma-doc:
liblzma API documentation in HTML and example usage
This package includes the Doxygen-generated liblzma API
HTML docs and example programs showing how to use liblzma.
3. License
----------
If the package manager supports a license field, you probably should
put GPLv2+ there (GNU GPL v2 or later). The interesting parts of
XZ Utils are under the BSD Zero Clause License (0BSD), but some less
important files ending up into the binary package are under GPLv2+.
So it is simplest to just say GPLv2+ if you cannot specify
"BSD0 and GPLv2+".
If you split XZ Utils into multiple packages as described earlier
in this file, liblzma and liblzma-dev packages will contain only
0BSD-licensed code from XZ Utils (compiler or linker may add some
third-party code which may have other licenses).
4. configure options
--------------------
Unless you are building a package for a distribution that is meant
only for embedded systems, don't use the following configure options:
--enable-debug
--enable-encoders (*)
--enable-decoders
--enable-match-finders
--enable-checks
--enable-small (*)
--disable-threads (*)
--disable-microlzma (*)
--disable-lzip-decoder (*)
(*) These are OK when building xzdec and lzmadec as described
in INSTALL.
xzdec and lzmadec don't provide any functionality that isn't already
available in the xz tool. Shipping xzdec and lzmadec without size
optimization and statically-linked liblzma isn't very useful. Doing
that would give users the xzdec man page, which may make it easier
for people to find out that such tools exists, but the executables
wouldn't have any advantage over the full-featured xz.
5. Additional documentation
---------------------------
"make install" copies some additional documentation to $docdir
(--docdir in configure). There is a copy of the GNU GPL v2, which
can be replaced with a symlink if your distro ships with shared
copies of the common license texts.
The Doxygen-generated liblzma API documentation (HTML) is built and
installed if the configure option --enable-doxygen is used (it's
disabled by default). This requires that Doxygen is available. The
API documentation is installed by "make install" to $docdir/api.
NOTE: The files generated by Doxygen include content from
Doxygen itself. Check the license info before distributing
the Doxygen-generated files.
6. Extra files
--------------
The "extra" directory contains some small extra tools or other files.
The exact set of extra files can vary between XZ Utils releases. The
extra files have only limited use or they are too dangerous to be
put directly to $bindir (7z2lzma.sh is a good example, since it can
silently create corrupt output if certain conditions are not met).
If you feel like it, you may copy the extra directory under the doc
directory (e.g. /usr/share/doc/xz/extra). Maybe some people will find
them useful. However, most people needing these tools probably are
able to find them from the source package too.
The "debug" directory contains some tools that are useful only when
hacking on XZ Utils. Don't package these tools.
7. Installing XZ Utils and LZMA Utils in parallel
-------------------------------------------------
XZ Utils and LZMA Utils 4.32.x can be installed in parallel by
omitting the compatibility symlinks (lzma, unlzma, lzcat, lzgrep etc.)
from the XZ Utils package. It's probably a good idea to still package
the symlinks into a separate package so that users may choose if they
want to use XZ Utils or LZMA Utils for handling .lzma files.
8. Example
----------
Here is an example for i686 GNU/Linux that
- links xz and lzmainfo against shared liblzma;
- links size-optimized xzdec and lzmadec against static liblzma
while avoiding libpthread dependency;
- includes only shared liblzma in the final package; and
- copies also the "extra" directory to the package.
PKG=/tmp/xz-pkg
tar xf xz-x.y.z.tar.gz
cd xz-x.y.z
./configure \
--prefix=/usr \
--disable-static \
--disable-xzdec \
--disable-lzmadec \
CFLAGS='-march=i686 -mtune=generic -O2'
make
make DESTDIR=$PKG install-strip
make clean
./configure \
--prefix=/usr \
--disable-shared \
--disable-nls \
--disable-encoders \
--enable-small \
--disable-threads \
CFLAGS='-march=i686 -mtune=generic -Os'
make -C src/liblzma
make -C src/xzdec
make -C src/xzdec DESTDIR=$PKG install-strip
cp -a extra $PKG/usr/share/doc/xz

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XZ Utils
========
0. Overview
1. Documentation
1.1. Overall documentation
1.2. Documentation for command-line tools
1.3. Documentation for liblzma
2. Version numbering
3. Reporting bugs
4. Translations
5. Other implementations of the .xz format
6. Contact information
0. Overview
-----------
XZ Utils provide a general-purpose data-compression library plus
command-line tools. The native file format is the .xz format, but
also the legacy .lzma format is supported. The .xz format supports
multiple compression algorithms, which are called "filters" in the
context of XZ Utils. The primary filter is currently LZMA2. With
typical files, XZ Utils create about 30 % smaller files than gzip.
To ease adapting support for the .xz format into existing applications
and scripts, the API of liblzma is somewhat similar to the API of the
popular zlib library. For the same reason, the command-line tool xz
has a command-line syntax similar to that of gzip.
When aiming for the highest compression ratio, the LZMA2 encoder uses
a lot of CPU time and may use, depending on the settings, even
hundreds of megabytes of RAM. However, in fast modes, the LZMA2 encoder
competes with bzip2 in compression speed, RAM usage, and compression
ratio.
LZMA2 is reasonably fast to decompress. It is a little slower than
gzip, but a lot faster than bzip2. Being fast to decompress means
that the .xz format is especially nice when the same file will be
decompressed very many times (usually on different computers), which
is the case e.g. when distributing software packages. In such
situations, it's not too bad if the compression takes some time,
since that needs to be done only once to benefit many people.
With some file types, combining (or "chaining") LZMA2 with an
additional filter can improve the compression ratio. A filter chain may
contain up to four filters, although usually only one or two are used.
For example, putting a BCJ (Branch/Call/Jump) filter before LZMA2
in the filter chain can improve compression ratio of executable files.
Since the .xz format allows adding new filter IDs, it is possible that
some day there will be a filter that is, for example, much faster to
compress than LZMA2 (but probably with worse compression ratio).
Similarly, it is possible that some day there is a filter that will
compress better than LZMA2.
XZ Utils supports multithreaded compression. XZ Utils doesn't support
multithreaded decompression yet. It has been planned though and taken
into account when designing the .xz file format. In the future, files
that were created in threaded mode can be decompressed in threaded
mode too.
1. Documentation
----------------
1.1. Overall documentation
README This file
INSTALL.generic Generic install instructions for those not
familiar with packages using GNU Autotools
INSTALL Installation instructions specific to XZ Utils
PACKAGERS Information to packagers of XZ Utils
COPYING XZ Utils copyright and license information
COPYING.0BSD BSD Zero Clause License
COPYING.GPLv2 GNU General Public License version 2
COPYING.GPLv3 GNU General Public License version 3
COPYING.LGPLv2.1 GNU Lesser General Public License version 2.1
AUTHORS The main authors of XZ Utils
THANKS Incomplete list of people who have helped making
this software
NEWS User-visible changes between XZ Utils releases
ChangeLog Detailed list of changes (commit log)
TODO Known bugs and some sort of to-do list
Note that only some of the above files are included in binary
packages.
1.2. Documentation for command-line tools
The command-line tools are documented as man pages. In source code
releases (and possibly also in some binary packages), the man pages
are also provided in plain text (ASCII only) format in the directory
"doc/man" to make the man pages more accessible to those whose
operating system doesn't provide an easy way to view man pages.
1.3. Documentation for liblzma
The liblzma API headers include short docs about each function
and data type as Doxygen tags. These docs should be quite OK as
a quick reference.
There are a few example/tutorial programs that should help in
getting started with liblzma. In the source package the examples
are in "doc/examples" and in binary packages they may be under
"examples" in the same directory as this README.
Since the liblzma API has similarities to the zlib API, some people
may find it useful to read the zlib docs and tutorial too:
https://zlib.net/manual.html
https://zlib.net/zlib_how.html
2. Version numbering
--------------------
The version number format of XZ Utils is X.Y.ZS:
- X is the major version. When this is incremented, the library
API and ABI break.
- Y is the minor version. It is incremented when new features
are added without breaking the existing API or ABI. An even Y
indicates a stable release and an odd Y indicates unstable
(alpha or beta version).
- Z is the revision. This has a different meaning for stable and
unstable releases:
* Stable: Z is incremented when bugs get fixed without adding
any new features. This is intended to be convenient for
downstream distributors that want bug fixes but don't want
any new features to minimize the risk of introducing new bugs.
* Unstable: Z is just a counter. API or ABI of features added
in earlier unstable releases having the same X.Y may break.
- S indicates stability of the release. It is missing from the
stable releases, where Y is an even number. When Y is odd, S
is either "alpha" or "beta" to make it very clear that such
versions are not stable releases. The same X.Y.Z combination is
not used for more than one stability level, i.e. after X.Y.Zalpha,
the next version can be X.Y.(Z+1)beta but not X.Y.Zbeta.
3. Reporting bugs
-----------------
Naturally it is easiest for me if you already know what causes the
unexpected behavior. Even better if you have a patch to propose.
However, quite often the reason for unexpected behavior is unknown,
so here are a few things to do before sending a bug report:
1. Try to create a small example how to reproduce the issue.
2. Compile XZ Utils with debugging code using configure switches
--enable-debug and, if possible, --disable-shared. If you are
using GCC, use CFLAGS='-O0 -ggdb3'. Don't strip the resulting
binaries.
3. Turn on core dumps. The exact command depends on your shell;
for example in GNU bash it is done with "ulimit -c unlimited",
and in tcsh with "limit coredumpsize unlimited".
4. Try to reproduce the suspected bug. If you get "assertion failed"
message, be sure to include the complete message in your bug
report. If the application leaves a coredump, get a backtrace
using gdb:
$ gdb /path/to/app-binary # Load the app to the debugger.
(gdb) core core # Open the coredump.
(gdb) bt # Print the backtrace. Copy & paste to bug report.
(gdb) quit # Quit gdb.
Report your bug via email or IRC (see Contact information below).
Don't send core dump files or any executables. If you have a small
example file(s) (total size less than 256 KiB), please include
it/them as an attachment. If you have bigger test files, put them
online somewhere and include a URL to the file(s) in the bug report.
Always include the exact version number of XZ Utils in the bug report.
If you are using a snapshot from the git repository, use "git describe"
to get the exact snapshot version. If you are using XZ Utils shipped
in an operating system distribution, mention the distribution name,
distribution version, and exact xz package version; if you cannot
repeat the bug with the code compiled from unpatched source code,
you probably need to report a bug to your distribution's bug tracking
system.
4. Translations
---------------
The xz command line tool and all man pages can be translated.
The translations are handled via the Translation Project. If you
wish to help translating xz, please join the Translation Project:
https://translationproject.org/html/translators.html
Below are notes and testing instructions specific to xz
translations.
Testing can be done by installing xz into a temporary directory:
./configure --disable-shared --prefix=/tmp/xz-test
# <Edit the .po file in the po directory.>
make -C po update-po
make install
bash debug/translation.bash | less
bash debug/translation.bash | less -S # For --list outputs
Repeat the above as needed (no need to re-run configure though).
Note especially the following:
- The output of --help and --long-help must look nice on
an 80-column terminal. It's OK to add extra lines if needed.
- In contrast, don't add extra lines to error messages and such.
They are often preceded with e.g. a filename on the same line,
so you have no way to predict where to put a \n. Let the terminal
do the wrapping even if it looks ugly. Adding new lines will be
even uglier in the generic case even if it looks nice in a few
limited examples.
- Be careful with column alignment in tables and table-like output
(--list, --list --verbose --verbose, --info-memory, --help, and
--long-help):
* All descriptions of options in --help should start in the
same column (but it doesn't need to be the same column as
in the English messages; just be consistent if you change it).
Check that both --help and --long-help look OK, since they
share several strings.
* --list --verbose and --info-memory print lines that have
the format "Description: %s". If you need a longer
description, you can put extra space between the colon
and %s. Then you may need to add extra space to other
strings too so that the result as a whole looks good (all
values start at the same column).
* The columns of the actual tables in --list --verbose --verbose
should be aligned properly. Abbreviate if necessary. It might
be good to keep at least 2 or 3 spaces between column headings
and avoid spaces in the headings so that the columns stand out
better, but this is a matter of opinion. Do what you think
looks best.
- Be careful to put a period at the end of a sentence when the
original version has it, and don't put it when the original
doesn't have it. Similarly, be careful with \n characters
at the beginning and end of the strings.
- Read the TRANSLATORS comments that have been extracted from the
source code and included in xz.pot. Some comments suggest
testing with a specific command which needs an .xz file. You
may use e.g. any tests/files/good-*.xz. However, these test
commands are included in translations.bash output, so reading
translations.bash output carefully can be enough.
- If you find language problems in the original English strings,
feel free to suggest improvements. Ask if something is unclear.
- The translated messages should be understandable (sometimes this
may be a problem with the original English messages too). Don't
make a direct word-by-word translation from English especially if
the result doesn't sound good in your language.
Thanks for your help!
5. Other implementations of the .xz format
------------------------------------------
7-Zip and the p7zip port of 7-Zip support the .xz format starting
from the version 9.00alpha.
https://7-zip.org/
https://p7zip.sourceforge.net/
XZ Embedded is a limited implementation written for use in the Linux
kernel, but it is also suitable for other embedded use.
https://tukaani.org/xz/embedded.html
XZ for Java is a complete implementation written in pure Java.
https://tukaani.org/xz/java.html
6. Contact information
----------------------
XZ Utils in general:
- Home page: https://tukaani.org/xz/
- Email to maintainer(s): xz@tukaani.org
- IRC: #tukaani on Libera Chat
- GitHub: https://github.com/tukaani-project/xz
Lead maintainer:
- Email: Lasse Collin <lasse.collin@tukaani.org>
- IRC: Larhzu on Libera Chat

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Thanks
======
Some people have helped more, some less, but nevertheless everyone's help
has been important. :-) In alphabetical order:
- Mark Adler
- Kian-Meng Ang
- H. Peter Anvin
- Jeff Bastian
- Nelson H. F. Beebe
- Karl Beldan
- Karl Berry
- Anders F. Björklund
- Emmanuel Blot
- Melanie Blower
- Alexander Bluhm
- Martin Blumenstingl
- Ben Boeckel
- Jakub Bogusz
- Adam Borowski
- Maarten Bosmans
- Lukas Braune
- Benjamin Buch
- Trent W. Buck
- Kevin R. Bulgrien
- James Buren
- David Burklund
- Frank Busse
- Daniel Mealha Cabrita
- Milo Casagrande
- Marek Černocký
- Tomer Chachamu
- Vitaly Chikunov
- Antoine Cœur
- Gabi Davar
- İhsan Doğan
- Chris Donawa
- Andrew Dudman
- Markus Duft
- İsmail Dönmez
- Paul Eggert
- Robert Elz
- Gilles Espinasse
- Denis Excoffier
- Vincent Fazio
- Michael Felt
- Michael Fox
- Andres Freund
- Mike Frysinger
- Daniel Richard G.
- Tomasz Gajc
- Bjarni Ingi Gislason
- John Paul Adrian Glaubitz
- Bill Glessner
- Matthew Good
- Michał Górny
- Jason Gorski
- Juan Manuel Guerrero
- Gabriela Gutierrez
- Diederik de Haas
- Joachim Henke
- Christian Hesse
- Vincenzo Innocente
- Peter Ivanov
- Nicholas Jackson
- Sam James
- Hajin Jang
- Hans Jansen
- Jouk Jansen
- Jun I Jin
- Kiyoshi Kanazawa
- Joona Kannisto
- Per Øyvind Karlsen
- Iouri Kharon
- Thomas Klausner
- Richard Koch
- Anton Kochkov
- Ville Koskinen
- Sergey Kosukhin
- Marcin Kowalczyk
- Jan Kratochvil
- Christian Kujau
- Stephan Kulow
- Ilya Kurdyukov
- Peter Lawler
- James M Leddy
- Kelvin Lee
- Vincent Lefevre
- Hin-Tak Leung
- Andraž 'ruskie' Levstik
- Cary Lewis
- Wim Lewis
- Xin Li
- Eric Lindblad
- Lorenzo De Liso
- H.J. Lu
- Bela Lubkin
- Chenxi Mao
- Gregory Margo
- Julien Marrec
- Ed Maste
- Martin Matuška
- Ivan A. Melnikov
- Jim Meyering
- Arkadiusz Miskiewicz
- Nathan Moinvaziri
- Étienne Mollier
- Conley Moorhous
- Rafał Mużyło
- Adrien Nader
- Evan Nemerson
- Hongbo Ni
- Jonathan Nieder
- Andre Noll
- Peter O'Gorman
- Dimitri Papadopoulos Orfanos
- Daniel Packard
- Filip Palian
- Peter Pallinger
- Rui Paulo
- Igor Pavlov
- Diego Elio Pettenò
- Elbert Pol
- Mikko Pouru
- Rich Prohaska
- Trần Ngọc Quân
- Pavel Raiskup
- Ole André Vadla Ravnås
- Eric S. Raymond
- Robert Readman
- Bernhard Reutner-Fischer
- Markus Rickert
- Cristian Rodríguez
- Christian von Roques
- Boud Roukema
- Torsten Rupp
- Stephen Sachs
- Jukka Salmi
- Agostino Sarubbo
- Alexandre Sauvé
- Benno Schulenberg
- Andreas Schwab
- Bhargava Shastry
- Dan Shechter
- Stuart Shelton
- Sebastian Andrzej Siewior
- Ville Skyttä
- Brad Smith
- Bruce Stark
- Pippijn van Steenhoven
- Martin Storsjö
- Jonathan Stott
- Dan Stromberg
- Vincent Torri
- Alexey Tourbin
- Paul Townsend
- Mohammed Adnène Trojette
- Taiki Tsunekawa
- Maksym Vatsyk
- Loganaden Velvindron
- Patrick J. Volkerding
- Martin Väth
- Adam Walling
- Jeffrey Walton
- Christian Weisgerber
- Dan Weiss
- Bert Wesarg
- Fredrik Wikstrom
- Jim Wilcoxson
- Ralf Wildenhues
- Charles Wilson
- Lars Wirzenius
- Pilorz Wojciech
- Chien Wong
- Ryan Young
- Andreas Zieringer
Also thanks to all the people who have participated in the Tukaani project.
I have probably forgot to add some names to the above list. Sorry about
that and thanks for your help.

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XZ Utils To-Do List
===================
Known bugs
----------
The test suite is too incomplete.
If the memory usage limit is less than about 13 MiB, xz is unable to
automatically scale down the compression settings enough even though
it would be possible by switching from BT2/BT3/BT4 match finder to
HC3/HC4.
XZ Utils compress some files significantly worse than LZMA Utils.
This is due to faster compression presets used by XZ Utils, and
can often be worked around by using "xz --extreme". With some files
--extreme isn't enough though: it's most likely with files that
compress extremely well, so going from compression ratio of 0.003
to 0.004 means big relative increase in the compressed file size.
xz doesn't quote unprintable characters when it displays file names
given on the command line.
tuklib_exit() doesn't block signals => EINTR is possible.
If liblzma has created threads and fork() gets called, liblzma
code will break in the child process unless it calls exec() and
doesn't touch liblzma.
Missing features
----------------
Add support for storing metadata in .xz files. A preliminary
idea is to create a new Stream type for metadata. When both
metadata and data are wanted in the same .xz file, two or more
Streams would be concatenated.
The state stored in lzma_stream should be cloneable, which would
be mostly useful when using a preset dictionary in LZMA2, but
it may have other uses too. Compare to deflateCopy() in zlib.
Support LZMA_FINISH in raw decoder to indicate end of LZMA1 and
other streams that don't have an end of payload marker.
Adjust dictionary size when the input file size is known.
Maybe do this only if an option is given.
xz doesn't support copying extended attributes, access control
lists etc. from source to target file.
Multithreaded compression:
- Reduce memory usage of the current method.
- Implement threaded match finders.
- Implement pigz-style threading in LZMA2.
Buffer-to-buffer coding could use less RAM (especially when
decompressing LZMA1 or LZMA2).
I/O library is not implemented (similar to gzopen() in zlib).
It will be a separate library that supports uncompressed, .gz,
.bz2, .lzma, and .xz files.
Support changing lzma_options_lzma.mode with lzma_filters_update().
Support LZMA_FULL_FLUSH for lzma_stream_decoder() to stop at
Block and Stream boundaries.
lzma_strerror() to convert lzma_ret to human readable form?
This is tricky, because the same error codes are used with
slightly different meanings, and this cannot be fixed anymore.
Make it possible to adjust LZMA2 options in the middle of a Block
so that the encoding speed vs. compression ratio can be optimized
when the compressed data is streamed over network.
Improved BCJ filters. The current filters are small but they aren't
so great when compressing binary packages that contain various file
types. Specifically, they make things worse if there are static
libraries or Linux kernel modules. The filtering could also be
more effective (without getting overly complex), for example,
streamable variant BCJ2 from 7-Zip could be implemented.
Filter that autodetects specific data types in the input stream
and applies appropriate filters for the corrects parts of the input.
Perhaps combine this with the BCJ filter improvement point above.
Long-range LZ77 method as a separate filter or as a new LZMA2
match finder.
Documentation
-------------
More tutorial programs are needed for liblzma.
Document the LZMA1 and LZMA2 algorithms.
Miscellaneous
------------
Try to get the media type for .xz registered at IANA.

1196
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#!/bin/sh
# SPDX-License-Identifier: 0BSD
###############################################################################
#
# Author: Lasse Collin
#
###############################################################################
set -e -x
# The following six lines are almost identical to "autoreconf -fi" but faster.
${AUTOPOINT:-autopoint} -f
${LIBTOOLIZE:-libtoolize} -c -f || glibtoolize -c -f
${ACLOCAL:-aclocal} -I m4
${AUTOCONF:-autoconf}
${AUTOHEADER:-autoheader}
${AUTOMAKE:-automake} -acf --foreign
# Generate the translated man pages if the "po4a" tool is available.
# This is *NOT* done by "autoreconf -fi" or when "make" is run.
# Pass --no-po4a o this script to skip this step.
# It can be useful when you know that po4a isn't available and
# don't want autogen.sh to exit with non-zero exit status.
generate_po4a="y"
for arg in "$@"
do
case $arg in
"--no-po4a")
generate_po4a="n"
;;
esac
done
if test "$generate_po4a" != "n"; then
cd po4a
sh update-po
cd ..
fi
exit 0

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# SPDX-License-Identifier: 0BSD
#############################################################################
#
# remove-ordinals.cmake
#
# Removes the ordinal numbers from a DEF file that has been created by
# GNU ld or LLVM lld option --output-def (when creating a Windows DLL).
# This should be equivalent: sed 's/ \+@ *[0-9]\+//'
#
# Usage:
#
# cmake -DINPUT_FILE=infile.def.in \
# -DOUTPUT_FILE=outfile.def \
# -P remove-ordinals.cmake
#
#############################################################################
#
# Author: Lasse Collin
#
#############################################################################
file(READ "${INPUT_FILE}" STR)
string(REGEX REPLACE " +@ *[0-9]+" "" STR "${STR}")
file(WRITE "${OUTPUT_FILE}" "${STR}")

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# SPDX-License-Identifier: 0BSD
#############################################################################
#
# tuklib_common.cmake - common functions and macros for tuklib_*.cmake files
#
# Author: Lasse Collin
#
#############################################################################
function(tuklib_add_definitions TARGET_OR_ALL DEFINITIONS)
# DEFINITIONS may be an empty string/list but it's fine here. There is
# no need to quote ${DEFINITIONS} as empty arguments are fine here.
if(TARGET_OR_ALL STREQUAL "ALL")
add_compile_definitions(${DEFINITIONS})
else()
target_compile_definitions("${TARGET_OR_ALL}" PRIVATE ${DEFINITIONS})
endif()
endfunction()
function(tuklib_add_definition_if TARGET_OR_ALL VAR)
if(${VAR})
tuklib_add_definitions("${TARGET_OR_ALL}" "${VAR}")
endif()
endfunction()
# This is an over-simplified version of AC_USE_SYSTEM_EXTENSIONS in Autoconf
# or gl_USE_SYSTEM_EXTENSIONS in gnulib.
macro(tuklib_use_system_extensions TARGET_OR_ALL)
if(NOT WIN32)
# FIXME? The Solaris-specific __EXTENSIONS__ should be conditional
# even on Solaris. See gnulib: git log m4/extensions.m4.
# FIXME? gnulib and autoconf.git has lots of new stuff.
tuklib_add_definitions("${TARGET_OR_ALL}"
_GNU_SOURCE
__EXTENSIONS__
_POSIX_PTHREAD_SEMANTICS
_TANDEM_SOURCE
_ALL_SOURCE
)
list(APPEND CMAKE_REQUIRED_DEFINITIONS
-D_GNU_SOURCE
-D__EXTENSIONS__
-D_POSIX_PTHREAD_SEMANTICS
-D_TANDEM_SOURCE
-D_ALL_SOURCE
)
endif()
endmacro()

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# SPDX-License-Identifier: 0BSD
#############################################################################
#
# tuklib_cpucores.cmake - see tuklib_cpucores.m4 for description and comments
#
# Author: Lasse Collin
#
#############################################################################
include("${CMAKE_CURRENT_LIST_DIR}/tuklib_common.cmake")
include(CheckCSourceCompiles)
include(CheckIncludeFile)
function(tuklib_cpucores_internal_check)
if(WIN32 OR CYGWIN)
# Nothing to do, the tuklib_cpucores.c handles it.
set(TUKLIB_CPUCORES_DEFINITIONS "" CACHE INTERNAL "")
return()
endif()
# glibc-based systems (GNU/Linux and GNU/kFreeBSD) have
# sched_getaffinity(). The CPU_COUNT() macro was added in glibc 2.9.
# glibc 2.9 is old enough that if someone uses the code on older glibc,
# the fallback to sysconf() should be good enough.
#
# NOTE: This required that _GNU_SOURCE is defined. We assume that whatever
# feature test macros the caller wants to use are already set in
# CMAKE_REQUIRED_DEFINES and in the target defines.
check_c_source_compiles("
#include <sched.h>
int main(void)
{
cpu_set_t cpu_mask;
sched_getaffinity(0, sizeof(cpu_mask), &cpu_mask);
return CPU_COUNT(&cpu_mask);
}
"
TUKLIB_CPUCORES_SCHED_GETAFFINITY)
if(TUKLIB_CPUCORES_SCHED_GETAFFINITY)
set(TUKLIB_CPUCORES_DEFINITIONS
"TUKLIB_CPUCORES_SCHED_GETAFFINITY"
CACHE INTERNAL "")
return()
endif()
# FreeBSD has both cpuset and sysctl. Look for cpuset first because
# it's a better approach.
#
# This test would match on GNU/kFreeBSD too but it would require
# -lfreebsd-glue when linking and thus in the current form this would
# fail on GNU/kFreeBSD. The above test for sched_getaffinity() matches
# on GNU/kFreeBSD so the test below should never run on that OS.
check_c_source_compiles("
#include <sys/param.h>
#include <sys/cpuset.h>
int main(void)
{
cpuset_t set;
cpuset_getaffinity(CPU_LEVEL_WHICH, CPU_WHICH_PID, -1,
sizeof(set), &set);
return 0;
}
"
TUKLIB_CPUCORES_CPUSET)
if(TUKLIB_CPUCORES_CPUSET)
set(TUKLIB_CPUCORES_DEFINITIONS "HAVE_PARAM_H;TUKLIB_CPUCORES_CPUSET"
CACHE INTERNAL "")
return()
endif()
# On OS/2, both sysconf() and sysctl() pass the tests in this file,
# but only sysctl() works. On QNX it's the opposite: only sysconf() works
# (although it assumes that _POSIX_SOURCE, _XOPEN_SOURCE, and
# _POSIX_C_SOURCE are undefined or alternatively _QNX_SOURCE is defined).
#
# We test sysctl() first and intentionally break the sysctl() test on QNX
# so that sysctl() is never used on QNX.
check_include_file(sys/param.h HAVE_SYS_PARAM_H)
if(HAVE_SYS_PARAM_H)
list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_SYS_PARAM_H)
endif()
check_c_source_compiles("
#ifdef __QNX__
compile error
#endif
#ifdef HAVE_SYS_PARAM_H
# include <sys/param.h>
#endif
#include <sys/sysctl.h>
int main(void)
{
#ifdef HW_NCPUONLINE
/* This is preferred on OpenBSD, see tuklib_cpucores.c. */
int name[2] = { CTL_HW, HW_NCPUONLINE };
#else
int name[2] = { CTL_HW, HW_NCPU };
#endif
int cpus;
size_t cpus_size = sizeof(cpus);
sysctl(name, 2, &cpus, &cpus_size, NULL, 0);
return 0;
}
"
TUKLIB_CPUCORES_SYSCTL)
if(TUKLIB_CPUCORES_SYSCTL)
if(HAVE_SYS_PARAM_H)
set(TUKLIB_CPUCORES_DEFINITIONS
"HAVE_PARAM_H;TUKLIB_CPUCORES_SYSCTL"
CACHE INTERNAL "")
else()
set(TUKLIB_CPUCORES_DEFINITIONS
"TUKLIB_CPUCORES_SYSCTL"
CACHE INTERNAL "")
endif()
return()
endif()
# Many platforms support sysconf().
check_c_source_compiles("
#include <unistd.h>
int main(void)
{
long i;
#ifdef _SC_NPROCESSORS_ONLN
/* Many systems using sysconf() */
i = sysconf(_SC_NPROCESSORS_ONLN);
#else
/* IRIX */
i = sysconf(_SC_NPROC_ONLN);
#endif
return 0;
}
"
TUKLIB_CPUCORES_SYSCONF)
if(TUKLIB_CPUCORES_SYSCONF)
set(TUKLIB_CPUCORES_DEFINITIONS "TUKLIB_CPUCORES_SYSCONF"
CACHE INTERNAL "")
return()
endif()
# HP-UX
check_c_source_compiles("
#include <sys/param.h>
#include <sys/pstat.h>
int main(void)
{
struct pst_dynamic pst;
pstat_getdynamic(&pst, sizeof(pst), 1, 0);
(void)pst.psd_proc_cnt;
return 0;
}
"
TUKLIB_CPUCORES_PSTAT_GETDYNAMIC)
if(TUKLIB_CPUCORES_PSTAT_GETDYNAMIC)
set(TUKLIB_CPUCORES_DEFINITIONS "TUKLIB_CPUCORES_PSTAT_GETDYNAMIC"
CACHE INTERNAL "")
return()
endif()
endfunction()
function(tuklib_cpucores TARGET_OR_ALL)
if(NOT DEFINED TUKLIB_CPUCORES_FOUND)
message(STATUS
"Checking how to detect the number of available CPU cores")
tuklib_cpucores_internal_check()
if(DEFINED TUKLIB_CPUCORES_DEFINITIONS)
set(TUKLIB_CPUCORES_FOUND 1 CACHE INTERNAL "")
else()
set(TUKLIB_CPUCORES_FOUND 0 CACHE INTERNAL "")
message(WARNING
"No method to detect the number of CPU cores was found")
endif()
endif()
if(TUKLIB_CPUCORES_FOUND)
tuklib_add_definitions("${TARGET_OR_ALL}"
"${TUKLIB_CPUCORES_DEFINITIONS}")
endif()
endfunction()

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# SPDX-License-Identifier: 0BSD
#############################################################################
#
# tuklib_integer.cmake - see tuklib_integer.m4 for description and comments
#
# Author: Lasse Collin
#
#############################################################################
include("${CMAKE_CURRENT_LIST_DIR}/tuklib_common.cmake")
include(TestBigEndian)
include(CheckCSourceCompiles)
include(CheckIncludeFile)
include(CheckSymbolExists)
function(tuklib_integer TARGET_OR_ALL)
# Check for endianness. Unlike the Autoconf's AC_C_BIGENDIAN, this doesn't
# support Apple universal binaries. The CMake module will leave the
# variable unset so we can catch that situation here instead of continuing
# as if we were little endian.
test_big_endian(WORDS_BIGENDIAN)
if(NOT DEFINED WORDS_BIGENDIAN)
message(FATAL_ERROR "Cannot determine endianness")
endif()
tuklib_add_definition_if("${TARGET_OR_ALL}" WORDS_BIGENDIAN)
# Look for a byteswapping method.
check_c_source_compiles("
int main(void)
{
__builtin_bswap16(1);
__builtin_bswap32(1);
__builtin_bswap64(1);
return 0;
}
"
HAVE___BUILTIN_BSWAPXX)
if(HAVE___BUILTIN_BSWAPXX)
tuklib_add_definitions("${TARGET_OR_ALL}" HAVE___BUILTIN_BSWAPXX)
else()
check_include_file(byteswap.h HAVE_BYTESWAP_H)
if(HAVE_BYTESWAP_H)
tuklib_add_definitions("${TARGET_OR_ALL}" HAVE_BYTESWAP_H)
check_symbol_exists(bswap_16 byteswap.h HAVE_BSWAP_16)
tuklib_add_definition_if("${TARGET_OR_ALL}" HAVE_BSWAP_16)
check_symbol_exists(bswap_32 byteswap.h HAVE_BSWAP_32)
tuklib_add_definition_if("${TARGET_OR_ALL}" HAVE_BSWAP_32)
check_symbol_exists(bswap_64 byteswap.h HAVE_BSWAP_64)
tuklib_add_definition_if("${TARGET_OR_ALL}" HAVE_BSWAP_64)
else()
check_include_file(sys/endian.h HAVE_SYS_ENDIAN_H)
if(HAVE_SYS_ENDIAN_H)
tuklib_add_definitions("${TARGET_OR_ALL}" HAVE_SYS_ENDIAN_H)
else()
check_include_file(sys/byteorder.h HAVE_SYS_BYTEORDER_H)
tuklib_add_definition_if("${TARGET_OR_ALL}"
HAVE_SYS_BYTEORDER_H)
endif()
endif()
endif()
# Guess that unaligned access is fast on these archs:
# - 32/64-bit x86 / x86-64
# - 32/64-bit big endian PowerPC
# - 64-bit little endian PowerPC
# - Some 32-bit ARM
# - Some 64-bit ARM64 (AArch64)
# - Some 32/64-bit RISC-V
#
# CMake doesn't provide a standardized/normalized list of processor arch
# names. For example, x86-64 may be "x86_64" (Linux), "AMD64" (Windows),
# or even "EM64T" (64-bit WinXP).
set(FAST_UNALIGNED_GUESS OFF)
string(TOLOWER "${CMAKE_SYSTEM_PROCESSOR}" PROCESSOR)
# There is no ^ in the first regex branch to allow "i" at the beginning
# so it can match "i386" to "i786", and "x86_64".
if(PROCESSOR MATCHES "[x34567]86|^x64|^amd64|^em64t")
set(FAST_UNALIGNED_GUESS ON)
elseif(PROCESSOR MATCHES "^powerpc|^ppc")
if(WORDS_BIGENDIAN OR PROCESSOR MATCHES "64")
set(FAST_UNALIGNED_GUESS ON)
endif()
elseif(PROCESSOR MATCHES "^arm|^aarch64|^riscv")
# On 32-bit and 64-bit ARM, GCC and Clang
# #define __ARM_FEATURE_UNALIGNED if
# unaligned access is supported.
#
# Exception: GCC at least up to 13.2.0
# defines it even when using -mstrict-align
# so in that case this autodetection goes wrong.
# Most of the time -mstrict-align isn't used so it
# shouldn't be a common problem in practice. See:
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111555
#
# RISC-V C API Specification says that if
# __riscv_misaligned_fast is defined then
# unaligned access is known to be fast.
#
# MSVC is handled as a special case: We assume that
# 32/64-bit ARM supports fast unaligned access.
# If MSVC gets RISC-V support then this will assume
# fast unaligned access on RISC-V too.
check_c_source_compiles("
#if !defined(__ARM_FEATURE_UNALIGNED) \
&& !defined(__riscv_misaligned_fast) \
&& !defined(_MSC_VER)
compile error
#endif
int main(void) { return 0; }
"
TUKLIB_FAST_UNALIGNED_DEFINED_BY_PREPROCESSOR)
if(TUKLIB_FAST_UNALIGNED_DEFINED_BY_PREPROCESSOR)
set(FAST_UNALIGNED_GUESS ON)
endif()
endif()
option(TUKLIB_FAST_UNALIGNED_ACCESS
"Enable if the system supports *fast* unaligned memory access \
with 16-bit, 32-bit, and 64-bit integers."
"${FAST_UNALIGNED_GUESS}")
tuklib_add_definition_if("${TARGET_OR_ALL}" TUKLIB_FAST_UNALIGNED_ACCESS)
# Unsafe type punning:
option(TUKLIB_USE_UNSAFE_TYPE_PUNNING
"This introduces strict aliasing violations and \
may result in broken code. However, this might improve performance \
in some cases, especially with old compilers \
(e.g. GCC 3 and early 4.x on x86, GCC < 6 on ARMv6 and ARMv7)."
OFF)
tuklib_add_definition_if("${TARGET_OR_ALL}" TUKLIB_USE_UNSAFE_TYPE_PUNNING)
# Check for GCC/Clang __builtin_assume_aligned().
check_c_source_compiles(
"int main(void) { __builtin_assume_aligned(\"\", 1); return 0; }"
HAVE___BUILTIN_ASSUME_ALIGNED)
tuklib_add_definition_if("${TARGET_OR_ALL}" HAVE___BUILTIN_ASSUME_ALIGNED)
endfunction()

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# SPDX-License-Identifier: 0BSD
#############################################################################
#
# tuklib_large_file_support.cmake
#
# If off_t is less than 64 bits by default and -D_FILE_OFFSET_BITS=64
# makes off_t become 64-bit, the CMake option LARGE_FILE_SUPPORT is
# provided (ON by default) and -D_FILE_OFFSET_BITS=64 is added to
# the compile definitions if LARGE_FILE_SUPPORT is ON.
#
# Author: Lasse Collin
#
#############################################################################
include("${CMAKE_CURRENT_LIST_DIR}/tuklib_common.cmake")
include(CheckCSourceCompiles)
function(tuklib_large_file_support TARGET_OR_ALL)
# MSVC must be handled specially in the C code.
if(MSVC)
return()
endif()
set(TUKLIB_LARGE_FILE_SUPPORT_TEST
"#include <sys/types.h>
int foo[sizeof(off_t) >= 8 ? 1 : -1];
int main(void) { return 0; }")
check_c_source_compiles("${TUKLIB_LARGE_FILE_SUPPORT_TEST}"
TUKLIB_LARGE_FILE_SUPPORT_BY_DEFAULT)
if(NOT TUKLIB_LARGE_FILE_SUPPORT_BY_DEFAULT)
cmake_push_check_state()
# This needs -D.
list(APPEND CMAKE_REQUIRED_DEFINITIONS "-D_FILE_OFFSET_BITS=64")
check_c_source_compiles("${TUKLIB_LARGE_FILE_SUPPORT_TEST}"
TUKLIB_LARGE_FILE_SUPPORT_WITH_FOB64)
cmake_pop_check_state()
endif()
if(TUKLIB_LARGE_FILE_SUPPORT_WITH_FOB64)
# Show the option only when _FILE_OFFSET_BITS=64 affects sizeof(off_t).
option(LARGE_FILE_SUPPORT
"Use -D_FILE_OFFSET_BITS=64 to support files larger than 2 GiB."
ON)
if(LARGE_FILE_SUPPORT)
# This must not use -D.
tuklib_add_definitions("${TARGET_OR_ALL}" "_FILE_OFFSET_BITS=64")
endif()
endif()
endfunction()

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# SPDX-License-Identifier: 0BSD
#############################################################################
#
# tuklib_mbstr.cmake - see tuklib_mbstr.m4 for description and comments
#
# Author: Lasse Collin
#
#############################################################################
include("${CMAKE_CURRENT_LIST_DIR}/tuklib_common.cmake")
include(CheckSymbolExists)
function(tuklib_mbstr TARGET_OR_ALL)
check_symbol_exists(mbrtowc wchar.h HAVE_MBRTOWC)
tuklib_add_definition_if("${TARGET_OR_ALL}" HAVE_MBRTOWC)
# NOTE: wcwidth() requires _GNU_SOURCE or _XOPEN_SOURCE on GNU/Linux.
check_symbol_exists(wcwidth wchar.h HAVE_WCWIDTH)
tuklib_add_definition_if("${TARGET_OR_ALL}" HAVE_WCWIDTH)
endfunction()

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# SPDX-License-Identifier: 0BSD
#############################################################################
#
# tuklib_physmem.cmake - see tuklib_physmem.m4 for description and comments
#
# NOTE: Compared tuklib_physmem.m4, this lacks support for Tru64, IRIX, and
# Linux sysinfo() (usually sysconf() is used on GNU/Linux).
#
# Author: Lasse Collin
#
#############################################################################
include("${CMAKE_CURRENT_LIST_DIR}/tuklib_common.cmake")
include(CheckCSourceCompiles)
include(CheckIncludeFile)
function(tuklib_physmem_internal_check)
# Shortcut on Windows:
if(WIN32 OR CYGWIN)
# Nothing to do, the tuklib_physmem.c handles it.
set(TUKLIB_PHYSMEM_DEFINITIONS "" CACHE INTERNAL "")
return()
endif()
# Full check for special cases:
check_c_source_compiles("
#if defined(_WIN32) || defined(__CYGWIN__) || defined(__OS2__) \
|| defined(__DJGPP__) || defined(__VMS) \
|| defined(AMIGA) || defined(__AROS__) || defined(__QNX__)
int main(void) { return 0; }
#else
compile error
#endif
"
TUKLIB_PHYSMEM_SPECIAL)
if(TUKLIB_PHYSMEM_SPECIAL)
# Nothing to do, the tuklib_physmem.c handles it.
set(TUKLIB_PHYSMEM_DEFINITIONS "" CACHE INTERNAL "")
return()
endif()
# Look for AIX-specific solution before sysconf(), because the test
# for sysconf() will pass on AIX but won't actually work
# (sysconf(_SC_PHYS_PAGES) compiles but always returns -1 on AIX).
check_c_source_compiles("
#include <sys/systemcfg.h>
int main(void)
{
(void)_system_configuration.physmem;
return 0;
}
"
TUKLIB_PHYSMEM_AIX)
if(TUKLIB_PHYSMEM_AIX)
set(TUKLIB_PHYSMEM_DEFINITIONS "TUKLIB_PHYSMEM_AIX" CACHE INTERNAL "")
return()
endif()
# sysconf()
check_c_source_compiles("
#include <unistd.h>
int main(void)
{
long i;
i = sysconf(_SC_PAGESIZE);
i = sysconf(_SC_PHYS_PAGES);
return 0;
}
"
TUKLIB_PHYSMEM_SYSCONF)
if(TUKLIB_PHYSMEM_SYSCONF)
set(TUKLIB_PHYSMEM_DEFINITIONS "TUKLIB_PHYSMEM_SYSCONF"
CACHE INTERNAL "")
return()
endif()
# sysctl()
check_include_file(sys/param.h HAVE_SYS_PARAM_H)
if(HAVE_SYS_PARAM_H)
list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_SYS_PARAM_H)
endif()
check_c_source_compiles("
#ifdef HAVE_SYS_PARAM_H
# include <sys/param.h>
#endif
#include <sys/sysctl.h>
int main(void)
{
int name[2] = { CTL_HW, HW_PHYSMEM };
unsigned long mem;
size_t mem_ptr_size = sizeof(mem);
sysctl(name, 2, &mem, &mem_ptr_size, NULL, 0);
return 0;
}
"
TUKLIB_PHYSMEM_SYSCTL)
if(TUKLIB_PHYSMEM_SYSCTL)
if(HAVE_SYS_PARAM_H)
set(TUKLIB_PHYSMEM_DEFINITIONS
"HAVE_PARAM_H;TUKLIB_PHYSMEM_SYSCTL"
CACHE INTERNAL "")
else()
set(TUKLIB_PHYSMEM_DEFINITIONS
"TUKLIB_PHYSMEM_SYSCTL"
CACHE INTERNAL "")
endif()
return()
endif()
# HP-UX
check_c_source_compiles("
#include <sys/param.h>
#include <sys/pstat.h>
int main(void)
{
struct pst_static pst;
pstat_getstatic(&pst, sizeof(pst), 1, 0);
(void)pst.physical_memory;
(void)pst.page_size;
return 0;
}
"
TUKLIB_PHYSMEM_PSTAT_GETSTATIC)
if(TUKLIB_PHYSMEM_PSTAT_GETSTATIC)
set(TUKLIB_PHYSMEM_DEFINITIONS "TUKLIB_PHYSMEM_PSTAT_GETSTATIC"
CACHE INTERNAL "")
return()
endif()
endfunction()
function(tuklib_physmem TARGET_OR_ALL)
if(NOT DEFINED TUKLIB_PHYSMEM_FOUND)
message(STATUS "Checking how to detect the amount of physical memory")
tuklib_physmem_internal_check()
if(DEFINED TUKLIB_PHYSMEM_DEFINITIONS)
set(TUKLIB_PHYSMEM_FOUND 1 CACHE INTERNAL "")
else()
set(TUKLIB_PHYSMEM_FOUND 0 CACHE INTERNAL "")
message(WARNING
"No method to detect the amount of physical memory was found")
endif()
endif()
if(TUKLIB_PHYSMEM_FOUND)
tuklib_add_definitions("${TARGET_OR_ALL}"
"${TUKLIB_PHYSMEM_DEFINITIONS}")
endif()
endfunction()

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src/dependencies/xz-5.6.2/cmake/tuklib_progname.cmake Normal file
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# SPDX-License-Identifier: 0BSD
#############################################################################
#
# tuklib_progname.cmake - see tuklib_progname.m4 for description and comments
#
# Author: Lasse Collin
#
#############################################################################
include("${CMAKE_CURRENT_LIST_DIR}/tuklib_common.cmake")
include(CheckSymbolExists)
function(tuklib_progname TARGET_OR_ALL)
# NOTE: This glibc extension requires _GNU_SOURCE.
check_symbol_exists(program_invocation_name errno.h
HAVE_PROGRAM_INVOCATION_NAME)
tuklib_add_definition_if("${TARGET_OR_ALL}" HAVE_PROGRAM_INVOCATION_NAME)
endfunction()

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src/dependencies/xz-5.6.2/config.h.in Normal file
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/* config.h.in. Generated from configure.ac by autoheader. */
/* Define if building universal (internal helper macro) */
#undef AC_APPLE_UNIVERSAL_BUILD
/* How many MiB of RAM to assume if the real amount cannot be determined. */
#undef ASSUME_RAM
/* Define to 1 if translation of program messages to the user's native
language is requested. */
#undef ENABLE_NLS
/* Define to 1 if ARM64 CRC32 instruction is supported. See configure.ac for
details. */
#undef HAVE_ARM64_CRC32
/* Define to 1 if bswap_16 is available. */
#undef HAVE_BSWAP_16
/* Define to 1 if bswap_32 is available. */
#undef HAVE_BSWAP_32
/* Define to 1 if bswap_64 is available. */
#undef HAVE_BSWAP_64
/* Define to 1 if you have the <byteswap.h> header file. */
#undef HAVE_BYTESWAP_H
/* Define to 1 if you have the 'cap_rights_limit' function. */
#undef HAVE_CAP_RIGHTS_LIMIT
/* Define to 1 if the system has the type 'CC_SHA256_CTX'. */
#undef HAVE_CC_SHA256_CTX
/* Define to 1 if you have the 'CC_SHA256_Init' function. */
#undef HAVE_CC_SHA256_INIT
/* Define to 1 if you have the Mac OS X function
CFLocaleCopyPreferredLanguages in the CoreFoundation framework. */
#undef HAVE_CFLOCALECOPYPREFERREDLANGUAGES
/* Define to 1 if you have the Mac OS X function CFPreferencesCopyAppValue in
the CoreFoundation framework. */
#undef HAVE_CFPREFERENCESCOPYAPPVALUE
/* Define to 1 if crc32 integrity check is enabled. */
#undef HAVE_CHECK_CRC32
/* Define to 1 if crc64 integrity check is enabled. */
#undef HAVE_CHECK_CRC64
/* Define to 1 if sha256 integrity check is enabled. */
#undef HAVE_CHECK_SHA256
/* Define to 1 if you have the 'clock_gettime' function. */
#undef HAVE_CLOCK_GETTIME
/* Define to 1 if 'CLOCK_MONOTONIC' is declared in <time.h>. */
#undef HAVE_CLOCK_MONOTONIC
/* Define to 1 if you have the <CommonCrypto/CommonDigest.h> header file. */
#undef HAVE_COMMONCRYPTO_COMMONDIGEST_H
/* Define to 1 if you have the <cpuid.h> header file. */
#undef HAVE_CPUID_H
/* Define if the GNU dcgettext() function is already present or preinstalled.
*/
#undef HAVE_DCGETTEXT
/* Define to 1 if any of HAVE_DECODER_foo have been defined. */
#undef HAVE_DECODERS
/* Define to 1 if arm decoder is enabled. */
#undef HAVE_DECODER_ARM
/* Define to 1 if arm64 decoder is enabled. */
#undef HAVE_DECODER_ARM64
/* Define to 1 if armthumb decoder is enabled. */
#undef HAVE_DECODER_ARMTHUMB
/* Define to 1 if delta decoder is enabled. */
#undef HAVE_DECODER_DELTA
/* Define to 1 if ia64 decoder is enabled. */
#undef HAVE_DECODER_IA64
/* Define to 1 if lzma1 decoder is enabled. */
#undef HAVE_DECODER_LZMA1
/* Define to 1 if lzma2 decoder is enabled. */
#undef HAVE_DECODER_LZMA2
/* Define to 1 if powerpc decoder is enabled. */
#undef HAVE_DECODER_POWERPC
/* Define to 1 if riscv decoder is enabled. */
#undef HAVE_DECODER_RISCV
/* Define to 1 if sparc decoder is enabled. */
#undef HAVE_DECODER_SPARC
/* Define to 1 if x86 decoder is enabled. */
#undef HAVE_DECODER_X86
/* Define to 1 if you have the <dlfcn.h> header file. */
#undef HAVE_DLFCN_H
/* Define to 1 if you have the 'elf_aux_info' function. */
#undef HAVE_ELF_AUX_INFO
/* Define to 1 if any of HAVE_ENCODER_foo have been defined. */
#undef HAVE_ENCODERS
/* Define to 1 if arm encoder is enabled. */
#undef HAVE_ENCODER_ARM
/* Define to 1 if arm64 encoder is enabled. */
#undef HAVE_ENCODER_ARM64
/* Define to 1 if armthumb encoder is enabled. */
#undef HAVE_ENCODER_ARMTHUMB
/* Define to 1 if delta encoder is enabled. */
#undef HAVE_ENCODER_DELTA
/* Define to 1 if ia64 encoder is enabled. */
#undef HAVE_ENCODER_IA64
/* Define to 1 if lzma1 encoder is enabled. */
#undef HAVE_ENCODER_LZMA1
/* Define to 1 if lzma2 encoder is enabled. */
#undef HAVE_ENCODER_LZMA2
/* Define to 1 if powerpc encoder is enabled. */
#undef HAVE_ENCODER_POWERPC
/* Define to 1 if riscv encoder is enabled. */
#undef HAVE_ENCODER_RISCV
/* Define to 1 if sparc encoder is enabled. */
#undef HAVE_ENCODER_SPARC
/* Define to 1 if x86 encoder is enabled. */
#undef HAVE_ENCODER_X86
/* Define to 1 if __attribute__((__constructor__)) is supported for functions.
*/
#undef HAVE_FUNC_ATTRIBUTE_CONSTRUCTOR
/* Define to 1 if you have the 'futimens' function. */
#undef HAVE_FUTIMENS
/* Define to 1 if you have the 'futimes' function. */
#undef HAVE_FUTIMES
/* Define to 1 if you have the 'futimesat' function. */
#undef HAVE_FUTIMESAT
/* Define to 1 if you have the 'getauxval' function. */
#undef HAVE_GETAUXVAL
/* Define to 1 if you have the <getopt.h> header file. */
#undef HAVE_GETOPT_H
/* Define to 1 if you have the 'getopt_long' function. */
#undef HAVE_GETOPT_LONG
/* Define if the GNU gettext() function is already present or preinstalled. */
#undef HAVE_GETTEXT
/* Define if you have the iconv() function and it works. */
#undef HAVE_ICONV
/* Define to 1 if you have the <immintrin.h> header file. */
#undef HAVE_IMMINTRIN_H
/* Define to 1 if you have the <inttypes.h> header file. */
#undef HAVE_INTTYPES_H
/* Define to 1 if Linux Landlock is supported. See configure.ac for details.
*/
#undef HAVE_LINUX_LANDLOCK
/* Define to 1 if .lz (lzip) decompression support is enabled. */
#undef HAVE_LZIP_DECODER
/* Define to 1 if mbrtowc and mbstate_t are properly declared. */
#undef HAVE_MBRTOWC
/* Define to 1 to enable bt2 match finder. */
#undef HAVE_MF_BT2
/* Define to 1 to enable bt3 match finder. */
#undef HAVE_MF_BT3
/* Define to 1 to enable bt4 match finder. */
#undef HAVE_MF_BT4
/* Define to 1 to enable hc3 match finder. */
#undef HAVE_MF_HC3
/* Define to 1 to enable hc4 match finder. */
#undef HAVE_MF_HC4
/* Define to 1 if you have the <minix/config.h> header file. */
#undef HAVE_MINIX_CONFIG_H
/* Define to 1 if getopt.h declares extern int optreset. */
#undef HAVE_OPTRESET
/* Define to 1 if you have the 'pledge' function. */
#undef HAVE_PLEDGE
/* Define to 1 if you have the 'posix_fadvise' function. */
#undef HAVE_POSIX_FADVISE
/* Define to 1 if 'program_invocation_name' is declared in <errno.h>. */
#undef HAVE_PROGRAM_INVOCATION_NAME
/* Define to 1 if you have the 'pthread_condattr_setclock' function. */
#undef HAVE_PTHREAD_CONDATTR_SETCLOCK
/* Have PTHREAD_PRIO_INHERIT. */
#undef HAVE_PTHREAD_PRIO_INHERIT
/* Define to 1 if you have the 'SHA256Init' function. */
#undef HAVE_SHA256INIT
/* Define to 1 if the system has the type 'SHA256_CTX'. */
#undef HAVE_SHA256_CTX
/* Define to 1 if you have the <sha256.h> header file. */
#undef HAVE_SHA256_H
/* Define to 1 if you have the 'SHA256_Init' function. */
#undef HAVE_SHA256_INIT
/* Define to 1 if the system has the type 'SHA2_CTX'. */
#undef HAVE_SHA2_CTX
/* Define to 1 if you have the <sha2.h> header file. */
#undef HAVE_SHA2_H
/* Define to 1 if optimizing for size. */
#undef HAVE_SMALL
/* Define to 1 if stdbool.h conforms to C99. */
#undef HAVE_STDBOOL_H
/* Define to 1 if you have the <stdint.h> header file. */
#undef HAVE_STDINT_H
/* Define to 1 if you have the <stdio.h> header file. */
#undef HAVE_STDIO_H
/* Define to 1 if you have the <stdlib.h> header file. */
#undef HAVE_STDLIB_H
/* Define to 1 if you have the <strings.h> header file. */
#undef HAVE_STRINGS_H
/* Define to 1 if you have the <string.h> header file. */
#undef HAVE_STRING_H
/* Define to 1 if 'st_atimensec' is a member of 'struct stat'. */
#undef HAVE_STRUCT_STAT_ST_ATIMENSEC
/* Define to 1 if 'st_atimespec.tv_nsec' is a member of 'struct stat'. */
#undef HAVE_STRUCT_STAT_ST_ATIMESPEC_TV_NSEC
/* Define to 1 if 'st_atim.st__tim.tv_nsec' is a member of 'struct stat'. */
#undef HAVE_STRUCT_STAT_ST_ATIM_ST__TIM_TV_NSEC
/* Define to 1 if 'st_atim.tv_nsec' is a member of 'struct stat'. */
#undef HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC
/* Define to 1 if 'st_uatime' is a member of 'struct stat'. */
#undef HAVE_STRUCT_STAT_ST_UATIME
/* Define to 1 to if GNU/Linux-specific details are unconditionally wanted for
symbol versioning. Define to 2 to if these are wanted only if also PIC is
defined (allows building both shared and static liblzma at the same time
with Libtool if neither --with-pic nor --without-pic is used). This define
must be used together with liblzma_linux.map. */
#undef HAVE_SYMBOL_VERSIONS_LINUX
/* Define to 1 if you have the 'sysctlbyname' function. */
#undef HAVE_SYSCTLBYNAME
/* Define to 1 if you have the <sys/byteorder.h> header file. */
#undef HAVE_SYS_BYTEORDER_H
/* Define to 1 if you have the <sys/cdefs.h> header file. */
#undef HAVE_SYS_CDEFS_H
/* Define to 1 if you have the <sys/endian.h> header file. */
#undef HAVE_SYS_ENDIAN_H
/* Define to 1 if you have the <sys/param.h> header file. */
#undef HAVE_SYS_PARAM_H
/* Define to 1 if you have the <sys/stat.h> header file. */
#undef HAVE_SYS_STAT_H
/* Define to 1 if you have the <sys/types.h> header file. */
#undef HAVE_SYS_TYPES_H
/* Define to 1 if the system has the type 'uintptr_t'. */
#undef HAVE_UINTPTR_T
/* Define to 1 if you have the <unistd.h> header file. */
#undef HAVE_UNISTD_H
/* Define to 1 if _mm_set_epi64x and _mm_clmulepi64_si128 are usable. See
configure.ac for details. */
#undef HAVE_USABLE_CLMUL
/* Define to 1 if you have the 'utime' function. */
#undef HAVE_UTIME
/* Define to 1 if you have the 'utimes' function. */
#undef HAVE_UTIMES
/* Define to 1 or 0, depending whether the compiler supports simple visibility
declarations. */
#undef HAVE_VISIBILITY
/* Define to 1 if you have the <wchar.h> header file. */
#undef HAVE_WCHAR_H
/* Define to 1 if you have the 'wcwidth' function. */
#undef HAVE_WCWIDTH
/* Define to 1 if the system has the type '_Bool'. */
#undef HAVE__BOOL
/* Define to 1 if you have the '_futime' function. */
#undef HAVE__FUTIME
/* Define to 1 if _mm_movemask_epi8 is available. */
#undef HAVE__MM_MOVEMASK_EPI8
/* Define to 1 if the GNU C extension __builtin_assume_aligned is supported.
*/
#undef HAVE___BUILTIN_ASSUME_ALIGNED
/* Define to 1 if the GNU C extensions __builtin_bswap16/32/64 are supported.
*/
#undef HAVE___BUILTIN_BSWAPXX
/* Define to the sub-directory where libtool stores uninstalled libraries. */
#undef LT_OBJDIR
/* Define to 1 when using POSIX threads (pthreads). */
#undef MYTHREAD_POSIX
/* Define to 1 when using Windows Vista compatible threads. This uses features
that are not available on Windows XP. */
#undef MYTHREAD_VISTA
/* Define to 1 when using Windows 95 (and thus XP) compatible threads. This
avoids use of features that were added in Windows Vista. */
#undef MYTHREAD_WIN95
/* Define to 1 to disable debugging code. */
#undef NDEBUG
/* Name of package */
#undef PACKAGE
/* Define to the address where bug reports for this package should be sent. */
#undef PACKAGE_BUGREPORT
/* Define to the full name of this package. */
#undef PACKAGE_NAME
/* Define to the full name and version of this package. */
#undef PACKAGE_STRING
/* Define to the one symbol short name of this package. */
#undef PACKAGE_TARNAME
/* Define to the home page for this package. */
#undef PACKAGE_URL
/* Define to the version of this package. */
#undef PACKAGE_VERSION
/* Define to necessary symbol if this constant uses a non-standard name on
your system. */
#undef PTHREAD_CREATE_JOINABLE
/* The size of 'size_t', as computed by sizeof. */
#undef SIZEOF_SIZE_T
/* Define to 1 if all of the C89 standard headers exist (not just the ones
required in a freestanding environment). This macro is provided for
backward compatibility; new code need not use it. */
#undef STDC_HEADERS
/* Define to 1 if the number of available CPU cores can be detected with
cpuset(2). */
#undef TUKLIB_CPUCORES_CPUSET
/* Define to 1 if the number of available CPU cores can be detected with
pstat_getdynamic(). */
#undef TUKLIB_CPUCORES_PSTAT_GETDYNAMIC
/* Define to 1 if the number of available CPU cores can be detected with
sched_getaffinity() */
#undef TUKLIB_CPUCORES_SCHED_GETAFFINITY
/* Define to 1 if the number of available CPU cores can be detected with
sysconf(_SC_NPROCESSORS_ONLN) or sysconf(_SC_NPROC_ONLN). */
#undef TUKLIB_CPUCORES_SYSCONF
/* Define to 1 if the number of available CPU cores can be detected with
sysctl(). */
#undef TUKLIB_CPUCORES_SYSCTL
/* Define to 1 if the system supports fast unaligned access to 16-bit, 32-bit,
and 64-bit integers. */
#undef TUKLIB_FAST_UNALIGNED_ACCESS
/* Define to 1 if the amount of physical memory can be detected with
_system_configuration.physmem. */
#undef TUKLIB_PHYSMEM_AIX
/* Define to 1 if the amount of physical memory can be detected with
getinvent_r(). */
#undef TUKLIB_PHYSMEM_GETINVENT_R
/* Define to 1 if the amount of physical memory can be detected with
getsysinfo(). */
#undef TUKLIB_PHYSMEM_GETSYSINFO
/* Define to 1 if the amount of physical memory can be detected with
pstat_getstatic(). */
#undef TUKLIB_PHYSMEM_PSTAT_GETSTATIC
/* Define to 1 if the amount of physical memory can be detected with
sysconf(_SC_PAGESIZE) and sysconf(_SC_PHYS_PAGES). */
#undef TUKLIB_PHYSMEM_SYSCONF
/* Define to 1 if the amount of physical memory can be detected with sysctl().
*/
#undef TUKLIB_PHYSMEM_SYSCTL
/* Define to 1 if the amount of physical memory can be detected with Linux
sysinfo(). */
#undef TUKLIB_PHYSMEM_SYSINFO
/* Define to 1 to use unsafe type punning, e.g. char *x = ...; *(int *)x =
123; which violates strict aliasing rules and thus is undefined behavior
and might result in broken code. */
#undef TUKLIB_USE_UNSAFE_TYPE_PUNNING
/* Enable extensions on AIX, Interix, z/OS. */
#ifndef _ALL_SOURCE
# undef _ALL_SOURCE
#endif
/* Enable general extensions on macOS. */
#ifndef _DARWIN_C_SOURCE
# undef _DARWIN_C_SOURCE
#endif
/* Enable general extensions on Solaris. */
#ifndef __EXTENSIONS__
# undef __EXTENSIONS__
#endif
/* Enable GNU extensions on systems that have them. */
#ifndef _GNU_SOURCE
# undef _GNU_SOURCE
#endif
/* Enable X/Open compliant socket functions that do not require linking
with -lxnet on HP-UX 11.11. */
#ifndef _HPUX_ALT_XOPEN_SOCKET_API
# undef _HPUX_ALT_XOPEN_SOCKET_API
#endif
/* Identify the host operating system as Minix.
This macro does not affect the system headers' behavior.
A future release of Autoconf may stop defining this macro. */
#ifndef _MINIX
# undef _MINIX
#endif
/* Enable general extensions on NetBSD.
Enable NetBSD compatibility extensions on Minix. */
#ifndef _NETBSD_SOURCE
# undef _NETBSD_SOURCE
#endif
/* Enable OpenBSD compatibility extensions on NetBSD.
Oddly enough, this does nothing on OpenBSD. */
#ifndef _OPENBSD_SOURCE
# undef _OPENBSD_SOURCE
#endif
/* Define to 1 if needed for POSIX-compatible behavior. */
#ifndef _POSIX_SOURCE
# undef _POSIX_SOURCE
#endif
/* Define to 2 if needed for POSIX-compatible behavior. */
#ifndef _POSIX_1_SOURCE
# undef _POSIX_1_SOURCE
#endif
/* Enable POSIX-compatible threading on Solaris. */
#ifndef _POSIX_PTHREAD_SEMANTICS
# undef _POSIX_PTHREAD_SEMANTICS
#endif
/* Enable extensions specified by ISO/IEC TS 18661-5:2014. */
#ifndef __STDC_WANT_IEC_60559_ATTRIBS_EXT__
# undef __STDC_WANT_IEC_60559_ATTRIBS_EXT__
#endif
/* Enable extensions specified by ISO/IEC TS 18661-1:2014. */
#ifndef __STDC_WANT_IEC_60559_BFP_EXT__
# undef __STDC_WANT_IEC_60559_BFP_EXT__
#endif
/* Enable extensions specified by ISO/IEC TS 18661-2:2015. */
#ifndef __STDC_WANT_IEC_60559_DFP_EXT__
# undef __STDC_WANT_IEC_60559_DFP_EXT__
#endif
/* Enable extensions specified by C23 Annex F. */
#ifndef __STDC_WANT_IEC_60559_EXT__
# undef __STDC_WANT_IEC_60559_EXT__
#endif
/* Enable extensions specified by ISO/IEC TS 18661-4:2015. */
#ifndef __STDC_WANT_IEC_60559_FUNCS_EXT__
# undef __STDC_WANT_IEC_60559_FUNCS_EXT__
#endif
/* Enable extensions specified by C23 Annex H and ISO/IEC TS 18661-3:2015. */
#ifndef __STDC_WANT_IEC_60559_TYPES_EXT__
# undef __STDC_WANT_IEC_60559_TYPES_EXT__
#endif
/* Enable extensions specified by ISO/IEC TR 24731-2:2010. */
#ifndef __STDC_WANT_LIB_EXT2__
# undef __STDC_WANT_LIB_EXT2__
#endif
/* Enable extensions specified by ISO/IEC 24747:2009. */
#ifndef __STDC_WANT_MATH_SPEC_FUNCS__
# undef __STDC_WANT_MATH_SPEC_FUNCS__
#endif
/* Enable extensions on HP NonStop. */
#ifndef _TANDEM_SOURCE
# undef _TANDEM_SOURCE
#endif
/* Enable X/Open extensions. Define to 500 only if necessary
to make mbstate_t available. */
#ifndef _XOPEN_SOURCE
# undef _XOPEN_SOURCE
#endif
/* Version number of package */
#undef VERSION
/* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most
significant byte first (like Motorola and SPARC, unlike Intel). */
#if defined AC_APPLE_UNIVERSAL_BUILD
# if defined __BIG_ENDIAN__
# define WORDS_BIGENDIAN 1
# endif
#else
# ifndef WORDS_BIGENDIAN
# undef WORDS_BIGENDIAN
# endif
#endif
/* Number of bits in a file offset, on hosts where this is settable. */
#undef _FILE_OFFSET_BITS
/* Define to 1 on platforms where this makes off_t a 64-bit type. */
#undef _LARGE_FILES
/* Number of bits in time_t, on hosts where this is settable. */
#undef _TIME_BITS
/* Define for Solaris 2.5.1 so the uint32_t typedef from <sys/synch.h>,
<pthread.h>, or <semaphore.h> is not used. If the typedef were allowed, the
#define below would cause a syntax error. */
#undef _UINT32_T
/* Define for Solaris 2.5.1 so the uint64_t typedef from <sys/synch.h>,
<pthread.h>, or <semaphore.h> is not used. If the typedef were allowed, the
#define below would cause a syntax error. */
#undef _UINT64_T
/* Define for Solaris 2.5.1 so the uint8_t typedef from <sys/synch.h>,
<pthread.h>, or <semaphore.h> is not used. If the typedef were allowed, the
#define below would cause a syntax error. */
#undef _UINT8_T
/* Define to rpl_ if the getopt replacement functions and variables should be
used. */
#undef __GETOPT_PREFIX
/* Define to 1 on platforms where this makes time_t a 64-bit type. */
#undef __MINGW_USE_VC2005_COMPAT
/* Define to the type of a signed integer type of width exactly 32 bits if
such a type exists and the standard includes do not define it. */
#undef int32_t
/* Define to the type of a signed integer type of width exactly 64 bits if
such a type exists and the standard includes do not define it. */
#undef int64_t
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/* Define to the type of an unsigned integer type wide enough to hold a
pointer, if such a type exists, and if the system does not define it. */
#undef uintptr_t

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17
src/dependencies/xz-5.6.2/debug/README Normal file
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Debug tools
-----------
This directory contains a few tiny programs that may be helpful when
debugging XZ Utils.
These tools are not meant to be installed. Often one needs to edit
the source code a little to make the programs do the wanted things.
If you don't know how these programs could help you, it is likely
that they really are useless to you.
These aren't intended to be used as example programs. They take some
shortcuts here and there, which correct programs should not do. Many
possible errors (especially I/O errors) are ignored. Don't report
bugs or send patches to fix this kind of bugs.

38
src/dependencies/xz-5.6.2/debug/crc32.c Normal file
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// SPDX-License-Identifier: 0BSD
///////////////////////////////////////////////////////////////////////////////
//
/// \file crc32.c
/// \brief Primitive CRC32 calculation tool
//
// Author: Lasse Collin
//
///////////////////////////////////////////////////////////////////////////////
#include "sysdefs.h"
#include "lzma.h"
#include <stdio.h>
int
main(void)
{
uint32_t crc = 0;
do {
uint8_t buf[BUFSIZ];
const size_t size = fread(buf, 1, sizeof(buf), stdin);
crc = lzma_crc32(buf, size, crc);
} while (!ferror(stdin) && !feof(stdin));
//printf("%08" PRIX32 "\n", crc);
// I want it little endian so it's easy to work with hex editor.
printf("%02" PRIX32 " ", crc & 0xFF);
printf("%02" PRIX32 " ", (crc >> 8) & 0xFF);
printf("%02" PRIX32 " ", (crc >> 16) & 0xFF);
printf("%02" PRIX32 " ", crc >> 24);
printf("\n");
return 0;
}

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// SPDX-License-Identifier: 0BSD
///////////////////////////////////////////////////////////////////////////////
//
/// \file full_flush.c
/// \brief Encode files using LZMA_FULL_FLUSH
//
// Author: Lasse Collin
//
///////////////////////////////////////////////////////////////////////////////
#include "sysdefs.h"
#include "lzma.h"
#include <stdio.h>
#define CHUNK 64
static lzma_stream strm = LZMA_STREAM_INIT;
static FILE *file_in;
static void
encode(size_t size, lzma_action action)
{
uint8_t in[CHUNK];
uint8_t out[CHUNK];
lzma_ret ret;
do {
if (strm.avail_in == 0 && size > 0) {
const size_t amount = my_min(size, CHUNK);
strm.avail_in = fread(in, 1, amount, file_in);
strm.next_in = in;
size -= amount; // Intentionally not using avail_in.
}
strm.next_out = out;
strm.avail_out = CHUNK;
ret = lzma_code(&strm, size == 0 ? action : LZMA_RUN);
if (ret != LZMA_OK && ret != LZMA_STREAM_END) {
fprintf(stderr, "%s:%u: %s: ret == %d\n",
__FILE__, __LINE__, __func__, ret);
exit(1);
}
fwrite(out, 1, CHUNK - strm.avail_out, stdout);
} while (size > 0 || strm.avail_out == 0);
if ((action == LZMA_RUN && ret != LZMA_OK)
|| (action != LZMA_RUN && ret != LZMA_STREAM_END)) {
fprintf(stderr, "%s:%u: %s: ret == %d\n",
__FILE__, __LINE__, __func__, ret);
exit(1);
}
}
int
main(int argc, char **argv)
{
file_in = argc > 1 ? fopen(argv[1], "rb") : stdin;
// Config
lzma_options_lzma opt_lzma;
if (lzma_lzma_preset(&opt_lzma, 1)) {
fprintf(stderr, "preset failed\n");
exit(1);
}
lzma_filter filters[LZMA_FILTERS_MAX + 1];
filters[0].id = LZMA_FILTER_LZMA2;
filters[0].options = &opt_lzma;
filters[1].id = LZMA_VLI_UNKNOWN;
// Init
if (lzma_stream_encoder(&strm, filters, LZMA_CHECK_CRC32) != LZMA_OK) {
fprintf(stderr, "init failed\n");
exit(1);
}
// if (lzma_easy_encoder(&strm, 1)) {
// fprintf(stderr, "init failed\n");
// exit(1);
// }
// Encoding
encode(0, LZMA_FULL_FLUSH);
encode(6, LZMA_FULL_FLUSH);
encode(0, LZMA_FULL_FLUSH);
encode(7, LZMA_FULL_FLUSH);
encode(0, LZMA_FULL_FLUSH);
encode(0, LZMA_FINISH);
// Clean up
lzma_end(&strm);
return 0;
}

52
src/dependencies/xz-5.6.2/debug/hex2bin.c Normal file
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// SPDX-License-Identifier: 0BSD
///////////////////////////////////////////////////////////////////////////////
//
/// \file hex2bin.c
/// \brief Converts hexadecimal input strings to binary
//
// Author: Lasse Collin
//
///////////////////////////////////////////////////////////////////////////////
#include "sysdefs.h"
#include <stdio.h>
#include <ctype.h>
static int
getbin(int x)
{
if (x >= '0' && x <= '9')
return x - '0';
if (x >= 'A' && x <= 'F')
return x - 'A' + 10;
return x - 'a' + 10;
}
int
main(void)
{
while (true) {
int byte = getchar();
if (byte == EOF)
return 0;
if (!isxdigit(byte))
continue;
const int digit = getchar();
if (digit == EOF || !isxdigit(digit)) {
fprintf(stderr, "Invalid input\n");
return 1;
}
byte = (getbin(byte) << 4) | getbin(digit);
if (putchar(byte) == EOF) {
perror(NULL);
return 1;
}
}
}

128
src/dependencies/xz-5.6.2/debug/known_sizes.c Normal file
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// SPDX-License-Identifier: 0BSD
///////////////////////////////////////////////////////////////////////////////
//
/// \file known_sizes.c
/// \brief Encodes .lzma Stream with sizes known in Block Header
///
/// The input file is encoded in RAM, and the known Compressed Size
/// and/or Uncompressed Size values are stored in the Block Header.
/// As of writing there's no such Stream encoder in liblzma.
//
// Author: Lasse Collin
//
///////////////////////////////////////////////////////////////////////////////
#include "sysdefs.h"
#include "lzma.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/unistd.h>
#include <stdio.h>
// Support file sizes up to 1 MiB. We use this for output space too, so files
// close to 1 MiB had better compress at least a little or we have a buffer
// overflow.
#define BUFFER_SIZE (1U << 20)
int
main(void)
{
// Allocate the buffers.
uint8_t *in = malloc(BUFFER_SIZE);
uint8_t *out = malloc(BUFFER_SIZE);
if (in == NULL || out == NULL)
return 1;
// Fill the input buffer.
const size_t in_size = fread(in, 1, BUFFER_SIZE, stdin);
// Filter setup
lzma_options_lzma opt_lzma;
if (lzma_lzma_preset(&opt_lzma, 1))
return 1;
lzma_filter filters[] = {
{
.id = LZMA_FILTER_LZMA2,
.options = &opt_lzma
},
{
.id = LZMA_VLI_UNKNOWN
}
};
lzma_block block = {
.check = LZMA_CHECK_CRC32,
.compressed_size = BUFFER_SIZE, // Worst case reserve
.uncompressed_size = in_size,
.filters = filters,
};
lzma_stream strm = LZMA_STREAM_INIT;
if (lzma_block_encoder(&strm, &block) != LZMA_OK)
return 1;
// Reserve space for Stream Header and Block Header. We need to
// calculate the size of the Block Header first.
if (lzma_block_header_size(&block) != LZMA_OK)
return 1;
size_t out_size = LZMA_STREAM_HEADER_SIZE + block.header_size;
strm.next_in = in;
strm.avail_in = in_size;
strm.next_out = out + out_size;
strm.avail_out = BUFFER_SIZE - out_size;
if (lzma_code(&strm, LZMA_FINISH) != LZMA_STREAM_END)
return 1;
out_size += strm.total_out;
if (lzma_block_header_encode(&block, out + LZMA_STREAM_HEADER_SIZE)
!= LZMA_OK)
return 1;
lzma_index *idx = lzma_index_init(NULL);
if (idx == NULL)
return 1;
if (lzma_index_append(idx, NULL, block.header_size + strm.total_out,
strm.total_in) != LZMA_OK)
return 1;
if (lzma_index_encoder(&strm, idx) != LZMA_OK)
return 1;
if (lzma_code(&strm, LZMA_RUN) != LZMA_STREAM_END)
return 1;
out_size += strm.total_out;
lzma_end(&strm);
lzma_index_end(idx, NULL);
// Encode the Stream Header and Stream Footer. backwards_size is
// needed only for the Stream Footer.
lzma_stream_flags sf = {
.backward_size = strm.total_out,
.check = block.check,
};
if (lzma_stream_header_encode(&sf, out) != LZMA_OK)
return 1;
if (lzma_stream_footer_encode(&sf, out + out_size) != LZMA_OK)
return 1;
out_size += LZMA_STREAM_HEADER_SIZE;
// Write out the file.
fwrite(out, 1, out_size, stdout);
return 0;
}

50
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// SPDX-License-Identifier: 0BSD
///////////////////////////////////////////////////////////////////////////////
//
/// \file memusage.c
/// \brief Calculates memory usage using lzma_memory_usage()
//
// Author: Lasse Collin
//
///////////////////////////////////////////////////////////////////////////////
#include "sysdefs.h"
#include "lzma.h"
#include <stdio.h>
int
main(void)
{
lzma_options_lzma lzma = {
.dict_size = (1U << 30) + (1U << 29),
.lc = 3,
.lp = 0,
.pb = 2,
.preset_dict = NULL,
.preset_dict_size = 0,
.mode = LZMA_MODE_NORMAL,
.nice_len = 48,
.mf = LZMA_MF_BT4,
.depth = 0,
};
/*
lzma_options_filter filters[] = {
{ LZMA_FILTER_LZMA1,
(lzma_options_lzma *)&lzma_preset_lzma[6 - 1] },
{ UINT64_MAX, NULL }
};
*/
lzma_filter filters[] = {
{ LZMA_FILTER_LZMA1, &lzma },
{ UINT64_MAX, NULL }
};
printf("Encoder: %10" PRIu64 " B\n",
lzma_raw_encoder_memusage(filters));
printf("Decoder: %10" PRIu64 " B\n",
lzma_raw_decoder_memusage(filters));
return 0;
}

35
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// SPDX-License-Identifier: 0BSD
///////////////////////////////////////////////////////////////////////////////
//
/// \file repeat.c
/// \brief Repeats given string given times
///
/// This program can be useful when debugging run-length encoder in
/// the Subblock filter, especially the condition when repeat count
/// doesn't fit into 28-bit integer.
//
// Author: Lasse Collin
//
///////////////////////////////////////////////////////////////////////////////
#include "sysdefs.h"
#include <stdio.h>
int
main(int argc, char **argv)
{
if (argc != 3) {
fprintf(stderr, "Usage: %s COUNT STRING\n", argv[0]);
exit(1);
}
unsigned long long count = strtoull(argv[1], NULL, 10);
const size_t size = strlen(argv[2]);
while (count-- != 0)
fwrite(argv[2], 1, size, stdout);
return !!(ferror(stdout) || fclose(stdout));
}

124
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// SPDX-License-Identifier: 0BSD
///////////////////////////////////////////////////////////////////////////////
//
/// \file sync_flush.c
/// \brief Encode files using LZMA_SYNC_FLUSH
//
// Author: Lasse Collin
//
///////////////////////////////////////////////////////////////////////////////
#include "sysdefs.h"
#include "lzma.h"
#include <stdio.h>
#define CHUNK 64
static lzma_stream strm = LZMA_STREAM_INIT;
static FILE *file_in;
static void
encode(size_t size, lzma_action action)
{
uint8_t in[CHUNK];
uint8_t out[CHUNK];
lzma_ret ret;
do {
if (strm.avail_in == 0 && size > 0) {
const size_t amount = my_min(size, CHUNK);
strm.avail_in = fread(in, 1, amount, file_in);
strm.next_in = in;
size -= amount; // Intentionally not using avail_in.
}
strm.next_out = out;
strm.avail_out = CHUNK;
ret = lzma_code(&strm, size == 0 ? action : LZMA_RUN);
if (ret != LZMA_OK && ret != LZMA_STREAM_END) {
fprintf(stderr, "%s:%u: %s: ret == %d\n",
__FILE__, __LINE__, __func__, ret);
exit(1);
}
fwrite(out, 1, CHUNK - strm.avail_out, stdout);
} while (size > 0 || strm.avail_out == 0);
if ((action == LZMA_RUN && ret != LZMA_OK)
|| (action != LZMA_RUN && ret != LZMA_STREAM_END)) {
fprintf(stderr, "%s:%u: %s: ret == %d\n",
__FILE__, __LINE__, __func__, ret);
exit(1);
}
}
int
main(int argc, char **argv)
{
file_in = argc > 1 ? fopen(argv[1], "rb") : stdin;
// Config
lzma_options_lzma opt_lzma = {
.dict_size = 1U << 16,
.lc = LZMA_LC_DEFAULT,
.lp = LZMA_LP_DEFAULT,
.pb = LZMA_PB_DEFAULT,
.preset_dict = NULL,
.mode = LZMA_MODE_NORMAL,
.nice_len = 32,
.mf = LZMA_MF_HC3,
.depth = 0,
};
lzma_options_delta opt_delta = {
.dist = 16
};
lzma_filter filters[LZMA_FILTERS_MAX + 1];
filters[0].id = LZMA_FILTER_LZMA2;
filters[0].options = &opt_lzma;
filters[1].id = LZMA_VLI_UNKNOWN;
// Init
if (lzma_stream_encoder(&strm, filters, LZMA_CHECK_CRC32) != LZMA_OK) {
fprintf(stderr, "init failed\n");
exit(1);
}
// Encoding
encode(0, LZMA_SYNC_FLUSH);
encode(6, LZMA_SYNC_FLUSH);
encode(0, LZMA_SYNC_FLUSH);
encode(7, LZMA_SYNC_FLUSH);
encode(0, LZMA_SYNC_FLUSH);
encode(0, LZMA_FINISH);
/*
encode(53, LZMA_SYNC_FLUSH);
opt_lzma.lc = 2;
opt_lzma.lp = 1;
opt_lzma.pb = 0;
if (lzma_filters_update(&strm, filters) != LZMA_OK) {
fprintf(stderr, "update failed\n");
exit(1);
}
encode(404, LZMA_FINISH);
*/
// Clean up
lzma_end(&strm);
return 0;
// Prevent useless warnings so we don't need to have special CFLAGS
// to disable -Werror.
(void)opt_lzma;
(void)opt_delta;
}

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// SPDX-License-Identifier: 0BSD
///////////////////////////////////////////////////////////////////////////////
//
/// \file testfilegen-arm64.c
/// \brief Generates uncompressed test file for the ARM64 filter
//
// Author: Lasse Collin
//
///////////////////////////////////////////////////////////////////////////////
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
static uint32_t pc4 = 0;
static void
put32le(uint32_t v)
{
putchar((v >> 0) & 0xFF);
putchar((v >> 8) & 0xFF);
putchar((v >> 16) & 0xFF);
putchar((v >> 24) & 0xFF);
++pc4;
}
static void
putbl(uint32_t imm)
{
imm &= (1U << 26) - 1;
imm |= 0x25U << 26;
put32le(imm);
}
static void
putadrp32(uint32_t imm)
{
imm &= 0x1FFFFFU;
// fprintf(stderr, "ADRP 0x%08X\n", imm);
uint32_t instr = 0x90000000;
instr |= (pc4 * 5 + 11) & 0x1F;
instr |= (imm & 3) << 29;
instr |= (imm >> 2) << 5;
put32le(instr);
}
extern int
main(void)
{
putbl(0);
putbl(0x03FFFFFF);
putbl(0x03FFFFFE);
putbl(0x03FFFFFD);
putbl(3);
putbl(2);
putbl(1);
putbl(0);
putbl(0x02000001);
putbl(0x02000000);
putbl(0x01FFFFFF);
putbl(0x01FFFFFE);
putbl(0x01111117);
putbl(0x01111116);
putbl(0x01111115);
putbl(0x01111114);
putbl(0x02222227);
putbl(0x02222226);
putbl(0x02222225);
putbl(0x02222224);
putbl(0U - pc4);
putbl(0U - pc4);
putbl(0U - pc4);
putbl(0U - pc4);
putadrp32(0x00);
putadrp32(0x05);
putadrp32(0x15);
putadrp32(0x25);
for (unsigned rep = 0; rep < 2; ++rep) {
while ((pc4 << 2) & 4095)
put32le(0x55555555U);
for (unsigned i = 10; i <= 21; ++i) {
const uint32_t neg = (0x1FFF00 >> (21 - i)) & ~255U;
const uint32_t plus = 1U << (i - 1);
putadrp32(0x000000 | plus);
putadrp32(0x000005 | plus);
putadrp32(0x0000FE | plus);
putadrp32(0x0000FF | plus);
putadrp32(0x000000 | neg);
putadrp32(0x000005 | neg);
putadrp32(0x0000FE | neg);
putadrp32(0x0000FF | neg);
}
}
return 0;
}

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#!/bin/bash
# SPDX-License-Identifier: 0BSD
###############################################################################
#
# Script to check output of some translated messages
#
# This should be useful for translators to check that the translated strings
# look good. This doesn't make xz print all possible strings, but it should
# cover most of the cases where mistakes can easily happen.
#
# Give the path and filename of the xz executable as an argument. If no
# arguments are given, this script uses ../src/xz/xz (relative to the
# location of this script).
#
# You may want to pipe the output of this script to less -S to view the
# tables printed by xz --list on a 80-column terminal. On the other hand,
# viewing the other messages may be better without -S.
#
###############################################################################
#
# Author: Lasse Collin
#
###############################################################################
set -e
# If an argument was given, use it to set the location of the xz executable.
unset XZ
if [ -n "$1" ]; then
XZ=$1
[ "x${XZ:0:1}" != "x/" ] && XZ="$PWD/$XZ"
fi
# Locate top_srcdir and go there.
top_srcdir="$(cd -- "$(dirname -- "$0")" && cd .. && pwd)"
cd -- "$top_srcdir"
# If XZ wasn't already set, use the default location.
XZ=${XZ-"$PWD/src/xz/xz"}
if [ "$(type -t "$XZ" || true)" != "file" ]; then
echo "Give the location of the xz executable as an argument" \
"to this script."
exit 1
fi
XZ=$(type -p -- "$XZ")
# Print the xz version and locale information.
echo "$XZ --version"
"$XZ" --version
echo
if [ -d .git ] && type git > /dev/null 2>&1; then
echo "Source code version in $PWD:"
git describe --abbrev=4
fi
echo
locale
echo
# Make the test files directory the current directory.
cd tests/files
# Put xz in PATH so that argv[0] stays short.
PATH=${XZ%/*}:$PATH
# Some of the test commands are error messages and thus don't
# return successfully.
set +e
for CMD in \
"xz --foobarbaz" \
"xz --memlimit=123abcd" \
"xz --memlimit=40MiB -6 /dev/null" \
"xz --memlimit=0 --info-memory" \
"xz --memlimit-compress=1234MiB --memlimit-decompress=50MiB --info-memory" \
"xz --verbose --verbose /dev/null | cat" \
"xz --lzma2=foobarbaz" \
"xz --lzma2=foobarbaz=abcd" \
"xz --lzma2=mf=abcd" \
"xz --lzma2=preset=foobarbaz" \
"xz --lzma2=nice=50000" \
"xz --help" \
"xz --long-help" \
"xz --list good-*lzma2*" \
"xz --list good-1-check*" \
"xz --list --verbose good-*lzma2*" \
"xz --list --verbose good-1-check*" \
"xz --list --verbose --verbose good-*lzma2*" \
"xz --list --verbose --verbose good-1-check*" \
"xz --list --verbose --verbose unsupported-check.xz"
do
echo "-----------------------------------------------------------"
echo
echo "\$ $CMD"
eval "$CMD"
echo
done 2>&1

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liblzma example programs
========================
Introduction
The examples are written so that the same comments aren't
repeated (much) in later files.
On POSIX systems, the examples should build by just typing "make".
The examples that use stdin or stdout don't set stdin and stdout
to binary mode. On systems where it matters (e.g. Windows) it is
possible that the examples won't work without modification.
List of examples
01_compress_easy.c Multi-call compression using
a compression preset
02_decompress.c Multi-call decompression
03_compress_custom.c Like 01_compress_easy.c but using
a custom filter chain
(x86 BCJ + LZMA2)
04_compress_easy_mt.c Multi-threaded multi-call
compression using a compression
preset

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// SPDX-License-Identifier: 0BSD
///////////////////////////////////////////////////////////////////////////////
//
/// \file 01_compress_easy.c
/// \brief Compress from stdin to stdout in multi-call mode
///
/// Usage: ./01_compress_easy PRESET < INFILE > OUTFILE
///
/// Example: ./01_compress_easy 6 < foo > foo.xz
//
// Author: Lasse Collin
//
///////////////////////////////////////////////////////////////////////////////
#include <stdbool.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <lzma.h>
static void
show_usage_and_exit(const char *argv0)
{
fprintf(stderr, "Usage: %s PRESET < INFILE > OUTFILE\n"
"PRESET is a number 0-9 and can optionally be "
"followed by 'e' to indicate extreme preset\n",
argv0);
exit(EXIT_FAILURE);
}
static uint32_t
get_preset(int argc, char **argv)
{
// One argument whose first char must be 0-9.
if (argc != 2 || argv[1][0] < '0' || argv[1][0] > '9')
show_usage_and_exit(argv[0]);
// Calculate the preste level 0-9.
uint32_t preset = argv[1][0] - '0';
// If there is a second char, it must be 'e'. It will set
// the LZMA_PRESET_EXTREME flag.
if (argv[1][1] != '\0') {
if (argv[1][1] != 'e' || argv[1][2] != '\0')
show_usage_and_exit(argv[0]);
preset |= LZMA_PRESET_EXTREME;
}
return preset;
}
static bool
init_encoder(lzma_stream *strm, uint32_t preset)
{
// Initialize the encoder using a preset. Set the integrity to check
// to CRC64, which is the default in the xz command line tool. If
// the .xz file needs to be decompressed with XZ Embedded, use
// LZMA_CHECK_CRC32 instead.
lzma_ret ret = lzma_easy_encoder(strm, preset, LZMA_CHECK_CRC64);
// Return successfully if the initialization went fine.
if (ret == LZMA_OK)
return true;
// Something went wrong. The possible errors are documented in
// lzma/container.h (src/liblzma/api/lzma/container.h in the source
// package or e.g. /usr/include/lzma/container.h depending on the
// install prefix).
const char *msg;
switch (ret) {
case LZMA_MEM_ERROR:
msg = "Memory allocation failed";
break;
case LZMA_OPTIONS_ERROR:
msg = "Specified preset is not supported";
break;
case LZMA_UNSUPPORTED_CHECK:
msg = "Specified integrity check is not supported";
break;
default:
// This is most likely LZMA_PROG_ERROR indicating a bug in
// this program or in liblzma. It is inconvenient to have a
// separate error message for errors that should be impossible
// to occur, but knowing the error code is important for
// debugging. That's why it is good to print the error code
// at least when there is no good error message to show.
msg = "Unknown error, possibly a bug";
break;
}
fprintf(stderr, "Error initializing the encoder: %s (error code %u)\n",
msg, ret);
return false;
}
static bool
compress(lzma_stream *strm, FILE *infile, FILE *outfile)
{
// This will be LZMA_RUN until the end of the input file is reached.
// This tells lzma_code() when there will be no more input.
lzma_action action = LZMA_RUN;
// Buffers to temporarily hold uncompressed input
// and compressed output.
uint8_t inbuf[BUFSIZ];
uint8_t outbuf[BUFSIZ];
// Initialize the input and output pointers. Initializing next_in
// and avail_in isn't really necessary when we are going to encode
// just one file since LZMA_STREAM_INIT takes care of initializing
// those already. But it doesn't hurt much and it will be needed
// if encoding more than one file like we will in 02_decompress.c.
//
// While we don't care about strm->total_in or strm->total_out in this
// example, it is worth noting that initializing the encoder will
// always reset total_in and total_out to zero. But the encoder
// initialization doesn't touch next_in, avail_in, next_out, or
// avail_out.
strm->next_in = NULL;
strm->avail_in = 0;
strm->next_out = outbuf;
strm->avail_out = sizeof(outbuf);
// Loop until the file has been successfully compressed or until
// an error occurs.
while (true) {
// Fill the input buffer if it is empty.
if (strm->avail_in == 0 && !feof(infile)) {
strm->next_in = inbuf;
strm->avail_in = fread(inbuf, 1, sizeof(inbuf),
infile);
if (ferror(infile)) {
fprintf(stderr, "Read error: %s\n",
strerror(errno));
return false;
}
// Once the end of the input file has been reached,
// we need to tell lzma_code() that no more input
// will be coming and that it should finish the
// encoding.
if (feof(infile))
action = LZMA_FINISH;
}
// Tell liblzma do the actual encoding.
//
// This reads up to strm->avail_in bytes of input starting
// from strm->next_in. avail_in will be decremented and
// next_in incremented by an equal amount to match the
// number of input bytes consumed.
//
// Up to strm->avail_out bytes of compressed output will be
// written starting from strm->next_out. avail_out and next_out
// will be incremented by an equal amount to match the number
// of output bytes written.
//
// The encoder has to do internal buffering, which means that
// it may take quite a bit of input before the same data is
// available in compressed form in the output buffer.
lzma_ret ret = lzma_code(strm, action);
// If the output buffer is full or if the compression finished
// successfully, write the data from the output buffer to
// the output file.
if (strm->avail_out == 0 || ret == LZMA_STREAM_END) {
// When lzma_code() has returned LZMA_STREAM_END,
// the output buffer is likely to be only partially
// full. Calculate how much new data there is to
// be written to the output file.
size_t write_size = sizeof(outbuf) - strm->avail_out;
if (fwrite(outbuf, 1, write_size, outfile)
!= write_size) {
fprintf(stderr, "Write error: %s\n",
strerror(errno));
return false;
}
// Reset next_out and avail_out.
strm->next_out = outbuf;
strm->avail_out = sizeof(outbuf);
}
// Normally the return value of lzma_code() will be LZMA_OK
// until everything has been encoded.
if (ret != LZMA_OK) {
// Once everything has been encoded successfully, the
// return value of lzma_code() will be LZMA_STREAM_END.
//
// It is important to check for LZMA_STREAM_END. Do not
// assume that getting ret != LZMA_OK would mean that
// everything has gone well.
if (ret == LZMA_STREAM_END)
return true;
// It's not LZMA_OK nor LZMA_STREAM_END,
// so it must be an error code. See lzma/base.h
// (src/liblzma/api/lzma/base.h in the source package
// or e.g. /usr/include/lzma/base.h depending on the
// install prefix) for the list and documentation of
// possible values. Most values listen in lzma_ret
// enumeration aren't possible in this example.
const char *msg;
switch (ret) {
case LZMA_MEM_ERROR:
msg = "Memory allocation failed";
break;
case LZMA_DATA_ERROR:
// This error is returned if the compressed
// or uncompressed size get near 8 EiB
// (2^63 bytes) because that's where the .xz
// file format size limits currently are.
// That is, the possibility of this error
// is mostly theoretical unless you are doing
// something very unusual.
//
// Note that strm->total_in and strm->total_out
// have nothing to do with this error. Changing
// those variables won't increase or decrease
// the chance of getting this error.
msg = "File size limits exceeded";
break;
default:
// This is most likely LZMA_PROG_ERROR, but
// if this program is buggy (or liblzma has
// a bug), it may be e.g. LZMA_BUF_ERROR or
// LZMA_OPTIONS_ERROR too.
//
// It is inconvenient to have a separate
// error message for errors that should be
// impossible to occur, but knowing the error
// code is important for debugging. That's why
// it is good to print the error code at least
// when there is no good error message to show.
msg = "Unknown error, possibly a bug";
break;
}
fprintf(stderr, "Encoder error: %s (error code %u)\n",
msg, ret);
return false;
}
}
}
extern int
main(int argc, char **argv)
{
// Get the preset number from the command line.
uint32_t preset = get_preset(argc, argv);
// Initialize a lzma_stream structure. When it is allocated on stack,
// it is simplest to use LZMA_STREAM_INIT macro like below. When it
// is allocated on heap, using memset(strmptr, 0, sizeof(*strmptr))
// works (as long as NULL pointers are represented with zero bits
// as they are on practically all computers today).
lzma_stream strm = LZMA_STREAM_INIT;
// Initialize the encoder. If it succeeds, compress from
// stdin to stdout.
bool success = init_encoder(&strm, preset);
if (success)
success = compress(&strm, stdin, stdout);
// Free the memory allocated for the encoder. If we were encoding
// multiple files, this would only need to be done after the last
// file. See 02_decompress.c for handling of multiple files.
//
// It is OK to call lzma_end() multiple times or when it hasn't been
// actually used except initialized with LZMA_STREAM_INIT.
lzma_end(&strm);
// Close stdout to catch possible write errors that can occur
// when pending data is flushed from the stdio buffers.
if (fclose(stdout)) {
fprintf(stderr, "Write error: %s\n", strerror(errno));
success = false;
}
return success ? EXIT_SUCCESS : EXIT_FAILURE;
}

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// SPDX-License-Identifier: 0BSD
///////////////////////////////////////////////////////////////////////////////
//
/// \file 02_decompress.c
/// \brief Decompress .xz files to stdout
///
/// Usage: ./02_decompress INPUT_FILES... > OUTFILE
///
/// Example: ./02_decompress foo.xz bar.xz > foobar
//
// Author: Lasse Collin
//
///////////////////////////////////////////////////////////////////////////////
#include <stdbool.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <lzma.h>
static bool
init_decoder(lzma_stream *strm)
{
// Initialize a .xz decoder. The decoder supports a memory usage limit
// and a set of flags.
//
// The memory usage of the decompressor depends on the settings used
// to compress a .xz file. It can vary from less than a megabyte to
// a few gigabytes, but in practice (at least for now) it rarely
// exceeds 65 MiB because that's how much memory is required to
// decompress files created with "xz -9". Settings requiring more
// memory take extra effort to use and don't (at least for now)
// provide significantly better compression in most cases.
//
// Memory usage limit is useful if it is important that the
// decompressor won't consume gigabytes of memory. The need
// for limiting depends on the application. In this example,
// no memory usage limiting is used. This is done by setting
// the limit to UINT64_MAX.
//
// The .xz format allows concatenating compressed files as is:
//
// echo foo | xz > foobar.xz
// echo bar | xz >> foobar.xz
//
// When decompressing normal standalone .xz files, LZMA_CONCATENATED
// should always be used to support decompression of concatenated
// .xz files. If LZMA_CONCATENATED isn't used, the decoder will stop
// after the first .xz stream. This can be useful when .xz data has
// been embedded inside another file format.
//
// Flags other than LZMA_CONCATENATED are supported too, and can
// be combined with bitwise-or. See lzma/container.h
// (src/liblzma/api/lzma/container.h in the source package or e.g.
// /usr/include/lzma/container.h depending on the install prefix)
// for details.
lzma_ret ret = lzma_stream_decoder(
strm, UINT64_MAX, LZMA_CONCATENATED);
// Return successfully if the initialization went fine.
if (ret == LZMA_OK)
return true;
// Something went wrong. The possible errors are documented in
// lzma/container.h (src/liblzma/api/lzma/container.h in the source
// package or e.g. /usr/include/lzma/container.h depending on the
// install prefix).
//
// Note that LZMA_MEMLIMIT_ERROR is never possible here. If you
// specify a very tiny limit, the error will be delayed until
// the first headers have been parsed by a call to lzma_code().
const char *msg;
switch (ret) {
case LZMA_MEM_ERROR:
msg = "Memory allocation failed";
break;
case LZMA_OPTIONS_ERROR:
msg = "Unsupported decompressor flags";
break;
default:
// This is most likely LZMA_PROG_ERROR indicating a bug in
// this program or in liblzma. It is inconvenient to have a
// separate error message for errors that should be impossible
// to occur, but knowing the error code is important for
// debugging. That's why it is good to print the error code
// at least when there is no good error message to show.
msg = "Unknown error, possibly a bug";
break;
}
fprintf(stderr, "Error initializing the decoder: %s (error code %u)\n",
msg, ret);
return false;
}
static bool
decompress(lzma_stream *strm, const char *inname, FILE *infile, FILE *outfile)
{
// When LZMA_CONCATENATED flag was used when initializing the decoder,
// we need to tell lzma_code() when there will be no more input.
// This is done by setting action to LZMA_FINISH instead of LZMA_RUN
// in the same way as it is done when encoding.
//
// When LZMA_CONCATENATED isn't used, there is no need to use
// LZMA_FINISH to tell when all the input has been read, but it
// is still OK to use it if you want. When LZMA_CONCATENATED isn't
// used, the decoder will stop after the first .xz stream. In that
// case some unused data may be left in strm->next_in.
lzma_action action = LZMA_RUN;
uint8_t inbuf[BUFSIZ];
uint8_t outbuf[BUFSIZ];
strm->next_in = NULL;
strm->avail_in = 0;
strm->next_out = outbuf;
strm->avail_out = sizeof(outbuf);
while (true) {
if (strm->avail_in == 0 && !feof(infile)) {
strm->next_in = inbuf;
strm->avail_in = fread(inbuf, 1, sizeof(inbuf),
infile);
if (ferror(infile)) {
fprintf(stderr, "%s: Read error: %s\n",
inname, strerror(errno));
return false;
}
// Once the end of the input file has been reached,
// we need to tell lzma_code() that no more input
// will be coming. As said before, this isn't required
// if the LZMA_CONCATENATED flag isn't used when
// initializing the decoder.
if (feof(infile))
action = LZMA_FINISH;
}
lzma_ret ret = lzma_code(strm, action);
if (strm->avail_out == 0 || ret == LZMA_STREAM_END) {
size_t write_size = sizeof(outbuf) - strm->avail_out;
if (fwrite(outbuf, 1, write_size, outfile)
!= write_size) {
fprintf(stderr, "Write error: %s\n",
strerror(errno));
return false;
}
strm->next_out = outbuf;
strm->avail_out = sizeof(outbuf);
}
if (ret != LZMA_OK) {
// Once everything has been decoded successfully, the
// return value of lzma_code() will be LZMA_STREAM_END.
//
// It is important to check for LZMA_STREAM_END. Do not
// assume that getting ret != LZMA_OK would mean that
// everything has gone well or that when you aren't
// getting more output it must have successfully
// decoded everything.
if (ret == LZMA_STREAM_END)
return true;
// It's not LZMA_OK nor LZMA_STREAM_END,
// so it must be an error code. See lzma/base.h
// (src/liblzma/api/lzma/base.h in the source package
// or e.g. /usr/include/lzma/base.h depending on the
// install prefix) for the list and documentation of
// possible values. Many values listen in lzma_ret
// enumeration aren't possible in this example, but
// can be made possible by enabling memory usage limit
// or adding flags to the decoder initialization.
const char *msg;
switch (ret) {
case LZMA_MEM_ERROR:
msg = "Memory allocation failed";
break;
case LZMA_FORMAT_ERROR:
// .xz magic bytes weren't found.
msg = "The input is not in the .xz format";
break;
case LZMA_OPTIONS_ERROR:
// For example, the headers specify a filter
// that isn't supported by this liblzma
// version (or it hasn't been enabled when
// building liblzma, but no-one sane does
// that unless building liblzma for an
// embedded system). Upgrading to a newer
// liblzma might help.
//
// Note that it is unlikely that the file has
// accidentally became corrupt if you get this
// error. The integrity of the .xz headers is
// always verified with a CRC32, so
// unintentionally corrupt files can be
// distinguished from unsupported files.
msg = "Unsupported compression options";
break;
case LZMA_DATA_ERROR:
msg = "Compressed file is corrupt";
break;
case LZMA_BUF_ERROR:
// Typically this error means that a valid
// file has got truncated, but it might also
// be a damaged part in the file that makes
// the decoder think the file is truncated.
// If you prefer, you can use the same error
// message for this as for LZMA_DATA_ERROR.
msg = "Compressed file is truncated or "
"otherwise corrupt";
break;
default:
// This is most likely LZMA_PROG_ERROR.
msg = "Unknown error, possibly a bug";
break;
}
fprintf(stderr, "%s: Decoder error: "
"%s (error code %u)\n",
inname, msg, ret);
return false;
}
}
}
extern int
main(int argc, char **argv)
{
if (argc <= 1) {
fprintf(stderr, "Usage: %s FILES...\n", argv[0]);
return EXIT_FAILURE;
}
lzma_stream strm = LZMA_STREAM_INIT;
bool success = true;
// Try to decompress all files.
for (int i = 1; i < argc; ++i) {
if (!init_decoder(&strm)) {
// Decoder initialization failed. There's no point
// to retry it so we need to exit.
success = false;
break;
}
FILE *infile = fopen(argv[i], "rb");
if (infile == NULL) {
fprintf(stderr, "%s: Error opening the "
"input file: %s\n",
argv[i], strerror(errno));
success = false;
} else {
success &= decompress(&strm, argv[i], infile, stdout);
fclose(infile);
}
}
// Free the memory allocated for the decoder. This only needs to be
// done after the last file.
lzma_end(&strm);
if (fclose(stdout)) {
fprintf(stderr, "Write error: %s\n", strerror(errno));
success = false;
}
return success ? EXIT_SUCCESS : EXIT_FAILURE;
}

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// SPDX-License-Identifier: 0BSD
///////////////////////////////////////////////////////////////////////////////
//
/// \file 03_compress_custom.c
/// \brief Compress in multi-call mode using x86 BCJ and LZMA2
///
/// Usage: ./03_compress_custom < INFILE > OUTFILE
///
/// Example: ./03_compress_custom < foo > foo.xz
//
// Author: Lasse Collin
//
///////////////////////////////////////////////////////////////////////////////
#include <stdbool.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <lzma.h>
static bool
init_encoder(lzma_stream *strm)
{
// Use the default preset (6) for LZMA2.
//
// The lzma_options_lzma structure and the lzma_lzma_preset() function
// are declared in lzma/lzma12.h (src/liblzma/api/lzma/lzma12.h in the
// source package or e.g. /usr/include/lzma/lzma12.h depending on
// the install prefix).
lzma_options_lzma opt_lzma2;
if (lzma_lzma_preset(&opt_lzma2, LZMA_PRESET_DEFAULT)) {
// It should never fail because the default preset
// (and presets 0-9 optionally with LZMA_PRESET_EXTREME)
// are supported by all stable liblzma versions.
//
// (The encoder initialization later in this function may
// still fail due to unsupported preset *if* the features
// required by the preset have been disabled at build time,
// but no-one does such things except on embedded systems.)
fprintf(stderr, "Unsupported preset, possibly a bug\n");
return false;
}
// Now we could customize the LZMA2 options if we wanted. For example,
// we could set the the dictionary size (opt_lzma2.dict_size) to
// something else than the default (8 MiB) of the default preset.
// See lzma/lzma12.h for details of all LZMA2 options.
//
// The x86 BCJ filter will try to modify the x86 instruction stream so
// that LZMA2 can compress it better. The x86 BCJ filter doesn't need
// any options so it will be set to NULL below.
//
// Construct the filter chain. The uncompressed data goes first to
// the first filter in the array, in this case the x86 BCJ filter.
// The array is always terminated by setting .id = LZMA_VLI_UNKNOWN.
//
// See lzma/filter.h for more information about the lzma_filter
// structure.
lzma_filter filters[] = {
{ .id = LZMA_FILTER_X86, .options = NULL },
{ .id = LZMA_FILTER_LZMA2, .options = &opt_lzma2 },
{ .id = LZMA_VLI_UNKNOWN, .options = NULL },
};
// Initialize the encoder using the custom filter chain.
lzma_ret ret = lzma_stream_encoder(strm, filters, LZMA_CHECK_CRC64);
if (ret == LZMA_OK)
return true;
const char *msg;
switch (ret) {
case LZMA_MEM_ERROR:
msg = "Memory allocation failed";
break;
case LZMA_OPTIONS_ERROR:
// We are no longer using a plain preset so this error
// message has been edited accordingly compared to
// 01_compress_easy.c.
msg = "Specified filter chain is not supported";
break;
case LZMA_UNSUPPORTED_CHECK:
msg = "Specified integrity check is not supported";
break;
default:
msg = "Unknown error, possibly a bug";
break;
}
fprintf(stderr, "Error initializing the encoder: %s (error code %u)\n",
msg, ret);
return false;
}
// This function is identical to the one in 01_compress_easy.c.
static bool
compress(lzma_stream *strm, FILE *infile, FILE *outfile)
{
lzma_action action = LZMA_RUN;
uint8_t inbuf[BUFSIZ];
uint8_t outbuf[BUFSIZ];
strm->next_in = NULL;
strm->avail_in = 0;
strm->next_out = outbuf;
strm->avail_out = sizeof(outbuf);
while (true) {
if (strm->avail_in == 0 && !feof(infile)) {
strm->next_in = inbuf;
strm->avail_in = fread(inbuf, 1, sizeof(inbuf),
infile);
if (ferror(infile)) {
fprintf(stderr, "Read error: %s\n",
strerror(errno));
return false;
}
if (feof(infile))
action = LZMA_FINISH;
}
lzma_ret ret = lzma_code(strm, action);
if (strm->avail_out == 0 || ret == LZMA_STREAM_END) {
size_t write_size = sizeof(outbuf) - strm->avail_out;
if (fwrite(outbuf, 1, write_size, outfile)
!= write_size) {
fprintf(stderr, "Write error: %s\n",
strerror(errno));
return false;
}
strm->next_out = outbuf;
strm->avail_out = sizeof(outbuf);
}
if (ret != LZMA_OK) {
if (ret == LZMA_STREAM_END)
return true;
const char *msg;
switch (ret) {
case LZMA_MEM_ERROR:
msg = "Memory allocation failed";
break;
case LZMA_DATA_ERROR:
msg = "File size limits exceeded";
break;
default:
msg = "Unknown error, possibly a bug";
break;
}
fprintf(stderr, "Encoder error: %s (error code %u)\n",
msg, ret);
return false;
}
}
}
extern int
main(void)
{
lzma_stream strm = LZMA_STREAM_INIT;
bool success = init_encoder(&strm);
if (success)
success = compress(&strm, stdin, stdout);
lzma_end(&strm);
if (fclose(stdout)) {
fprintf(stderr, "Write error: %s\n", strerror(errno));
success = false;
}
return success ? EXIT_SUCCESS : EXIT_FAILURE;
}

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// SPDX-License-Identifier: 0BSD
///////////////////////////////////////////////////////////////////////////////
//
/// \file 04_compress_easy_mt.c
/// \brief Compress in multi-call mode using LZMA2 in multi-threaded mode
///
/// Usage: ./04_compress_easy_mt < INFILE > OUTFILE
///
/// Example: ./04_compress_easy_mt < foo > foo.xz
//
// Author: Lasse Collin
//
///////////////////////////////////////////////////////////////////////////////
#include <stdbool.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <lzma.h>
static bool
init_encoder(lzma_stream *strm)
{
// The threaded encoder takes the options as pointer to
// a lzma_mt structure.
lzma_mt mt = {
// No flags are needed.
.flags = 0,
// Let liblzma determine a sane block size.
.block_size = 0,
// Use no timeout for lzma_code() calls by setting timeout
// to zero. That is, sometimes lzma_code() might block for
// a long time (from several seconds to even minutes).
// If this is not OK, for example due to progress indicator
// needing updates, specify a timeout in milliseconds here.
// See the documentation of lzma_mt in lzma/container.h for
// information how to choose a reasonable timeout.
.timeout = 0,
// Use the default preset (6) for LZMA2.
// To use a preset, filters must be set to NULL.
.preset = LZMA_PRESET_DEFAULT,
.filters = NULL,
// Use CRC64 for integrity checking. See also
// 01_compress_easy.c about choosing the integrity check.
.check = LZMA_CHECK_CRC64,
};
// Detect how many threads the CPU supports.
mt.threads = lzma_cputhreads();
// If the number of CPU cores/threads cannot be detected,
// use one thread. Note that this isn't the same as the normal
// single-threaded mode as this will still split the data into
// blocks and use more RAM than the normal single-threaded mode.
// You may want to consider using lzma_easy_encoder() or
// lzma_stream_encoder() instead of lzma_stream_encoder_mt() if
// lzma_cputhreads() returns 0 or 1.
if (mt.threads == 0)
mt.threads = 1;
// If the number of CPU cores/threads exceeds threads_max,
// limit the number of threads to keep memory usage lower.
// The number 8 is arbitrarily chosen and may be too low or
// high depending on the compression preset and the computer
// being used.
//
// FIXME: A better way could be to check the amount of RAM
// (or available RAM) and use lzma_stream_encoder_mt_memusage()
// to determine if the number of threads should be reduced.
const uint32_t threads_max = 8;
if (mt.threads > threads_max)
mt.threads = threads_max;
// Initialize the threaded encoder.
lzma_ret ret = lzma_stream_encoder_mt(strm, &mt);
if (ret == LZMA_OK)
return true;
const char *msg;
switch (ret) {
case LZMA_MEM_ERROR:
msg = "Memory allocation failed";
break;
case LZMA_OPTIONS_ERROR:
// We are no longer using a plain preset so this error
// message has been edited accordingly compared to
// 01_compress_easy.c.
msg = "Specified filter chain is not supported";
break;
case LZMA_UNSUPPORTED_CHECK:
msg = "Specified integrity check is not supported";
break;
default:
msg = "Unknown error, possibly a bug";
break;
}
fprintf(stderr, "Error initializing the encoder: %s (error code %u)\n",
msg, ret);
return false;
}
// This function is identical to the one in 01_compress_easy.c.
static bool
compress(lzma_stream *strm, FILE *infile, FILE *outfile)
{
lzma_action action = LZMA_RUN;
uint8_t inbuf[BUFSIZ];
uint8_t outbuf[BUFSIZ];
strm->next_in = NULL;
strm->avail_in = 0;
strm->next_out = outbuf;
strm->avail_out = sizeof(outbuf);
while (true) {
if (strm->avail_in == 0 && !feof(infile)) {
strm->next_in = inbuf;
strm->avail_in = fread(inbuf, 1, sizeof(inbuf),
infile);
if (ferror(infile)) {
fprintf(stderr, "Read error: %s\n",
strerror(errno));
return false;
}
if (feof(infile))
action = LZMA_FINISH;
}
lzma_ret ret = lzma_code(strm, action);
if (strm->avail_out == 0 || ret == LZMA_STREAM_END) {
size_t write_size = sizeof(outbuf) - strm->avail_out;
if (fwrite(outbuf, 1, write_size, outfile)
!= write_size) {
fprintf(stderr, "Write error: %s\n",
strerror(errno));
return false;
}
strm->next_out = outbuf;
strm->avail_out = sizeof(outbuf);
}
if (ret != LZMA_OK) {
if (ret == LZMA_STREAM_END)
return true;
const char *msg;
switch (ret) {
case LZMA_MEM_ERROR:
msg = "Memory allocation failed";
break;
case LZMA_DATA_ERROR:
msg = "File size limits exceeded";
break;
default:
msg = "Unknown error, possibly a bug";
break;
}
fprintf(stderr, "Encoder error: %s (error code %u)\n",
msg, ret);
return false;
}
}
}
extern int
main(void)
{
lzma_stream strm = LZMA_STREAM_INIT;
bool success = init_encoder(&strm);
if (success)
success = compress(&strm, stdin, stdout);
lzma_end(&strm);
if (fclose(stdout)) {
fprintf(stderr, "Write error: %s\n", strerror(errno));
success = false;
}
return success ? EXIT_SUCCESS : EXIT_FAILURE;
}

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// SPDX-License-Identifier: 0BSD
///////////////////////////////////////////////////////////////////////////////
//
/// \file 11_file_info.c
/// \brief Get uncompressed size of .xz file(s)
///
/// Usage: ./11_file_info INFILE1.xz [INFILEn.xz]...
///
/// Example: ./11_file_info foo.xz
//
// Author: Lasse Collin
//
///////////////////////////////////////////////////////////////////////////////
#include <stdbool.h>
#include <inttypes.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <lzma.h>
static bool
print_file_size(lzma_stream *strm, FILE *infile, const char *filename)
{
// Get the file size. In standard C it can be done by seeking to
// the end of the file and then getting the file position.
// In POSIX one can use fstat() and then st_size from struct stat.
// Also note that fseek() and ftell() use long and thus don't support
// large files on 32-bit systems (POSIX versions fseeko() and
// ftello() can support large files).
if (fseek(infile, 0, SEEK_END)) {
fprintf(stderr, "Error seeking the file '%s': %s\n",
filename, strerror(errno));
return false;
}
const long file_size = ftell(infile);
// The decoder wants to start from the beginning of the .xz file.
rewind(infile);
// Initialize the decoder.
lzma_index *i;
lzma_ret ret = lzma_file_info_decoder(strm, &i, UINT64_MAX,
(uint64_t)file_size);
switch (ret) {
case LZMA_OK:
// Initialization succeeded.
break;
case LZMA_MEM_ERROR:
fprintf(stderr, "Out of memory when initializing "
"the .xz file info decoder\n");
return false;
case LZMA_PROG_ERROR:
default:
fprintf(stderr, "Unknown error, possibly a bug\n");
return false;
}
// This example program reuses the same lzma_stream structure
// for multiple files, so we need to reset this when starting
// a new file.
strm->avail_in = 0;
// Buffer for input data.
uint8_t inbuf[BUFSIZ];
// Pass data to the decoder and seek when needed.
while (true) {
if (strm->avail_in == 0) {
strm->next_in = inbuf;
strm->avail_in = fread(inbuf, 1, sizeof(inbuf),
infile);
if (ferror(infile)) {
fprintf(stderr,
"Error reading from '%s': %s\n",
filename, strerror(errno));
return false;
}
// We don't need to care about hitting the end of
// the file so no need to check for feof().
}
ret = lzma_code(strm, LZMA_RUN);
switch (ret) {
case LZMA_OK:
break;
case LZMA_SEEK_NEEDED:
// The cast is safe because liblzma won't ask us to
// seek past the known size of the input file which
// did fit into a long.
//
// NOTE: Remember to change these to off_t if you
// switch fseeko() or lseek().
if (fseek(infile, (long)(strm->seek_pos), SEEK_SET)) {
fprintf(stderr, "Error seeking the "
"file '%s': %s\n",
filename, strerror(errno));
return false;
}
// The old data in the inbuf is useless now. Set
// avail_in to zero so that we will read new input
// from the new file position on the next iteration
// of this loop.
strm->avail_in = 0;
break;
case LZMA_STREAM_END:
// File information was successfully decoded.
// See <lzma/index.h> for functions that can be
// used on it. In this example we just print
// the uncompressed size (in bytes) of
// the .xz file followed by its file name.
printf("%10" PRIu64 " %s\n",
lzma_index_uncompressed_size(i),
filename);
// Free the memory of the lzma_index structure.
lzma_index_end(i, NULL);
return true;
case LZMA_FORMAT_ERROR:
// .xz magic bytes weren't found.
fprintf(stderr, "The file '%s' is not "
"in the .xz format\n", filename);
return false;
case LZMA_OPTIONS_ERROR:
fprintf(stderr, "The file '%s' has .xz headers that "
"are not supported by this liblzma "
"version\n", filename);
return false;
case LZMA_DATA_ERROR:
fprintf(stderr, "The file '%s' is corrupt\n",
filename);
return false;
case LZMA_MEM_ERROR:
fprintf(stderr, "Memory allocation failed when "
"decoding the file '%s'\n", filename);
return false;
// LZMA_MEMLIMIT_ERROR shouldn't happen because we used
// UINT64_MAX as the limit.
//
// LZMA_BUF_ERROR shouldn't happen because we always provide
// new input when the input buffer is empty. The decoder
// knows the input file size and thus won't try to read past
// the end of the file.
case LZMA_MEMLIMIT_ERROR:
case LZMA_BUF_ERROR:
case LZMA_PROG_ERROR:
default:
fprintf(stderr, "Unknown error, possibly a bug\n");
return false;
}
}
// This line is never reached.
}
extern int
main(int argc, char **argv)
{
bool success = true;
lzma_stream strm = LZMA_STREAM_INIT;
for (int i = 1; i < argc; ++i) {
FILE *infile = fopen(argv[i], "rb");
if (infile == NULL) {
fprintf(stderr, "Cannot open the file '%s': %s\n",
argv[i], strerror(errno));
success = false;
}
success &= print_file_size(&strm, infile, argv[i]);
(void)fclose(infile);
}
lzma_end(&strm);
// Close stdout to catch possible write errors that can occur
// when pending data is flushed from the stdio buffers.
if (fclose(stdout)) {
fprintf(stderr, "Write error: %s\n", strerror(errno));
success = false;
}
return success ? EXIT_SUCCESS : EXIT_FAILURE;
}

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# SPDX-License-Identifier: 0BSD
# Author: Lasse Collin
CC = c99
CFLAGS = -g
LDFLAGS = -llzma
PROGS = \
01_compress_easy \
02_decompress \
03_compress_custom \
04_compress_easy_mt \
11_file_info
all: $(PROGS)
.c:
$(CC) $(CFLAGS) -o $@ $< $(LDFLAGS)
clean:
-rm -f $(PROGS)

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XZ Utils FAQ
============
Q: What do the letters XZ mean?
A: Nothing. They are just two letters, which come from the file format
suffix .xz. The .xz suffix was selected, because it seemed to be
pretty much unused. It has no deeper meaning.
Q: What are LZMA and LZMA2?
A: LZMA stands for Lempel-Ziv-Markov chain-Algorithm. It is the name
of the compression algorithm designed by Igor Pavlov for 7-Zip.
LZMA is based on LZ77 and range encoding.
LZMA2 is an updated version of the original LZMA to fix a couple of
practical issues. In context of XZ Utils, LZMA is called LZMA1 to
emphasize that LZMA is not the same thing as LZMA2. LZMA2 is the
primary compression algorithm in the .xz file format.
Q: There are many LZMA related projects. How does XZ Utils relate to them?
A: 7-Zip and LZMA SDK are the original projects. LZMA SDK is roughly
a subset of the 7-Zip source tree.
p7zip is 7-Zip's command-line tools ported to POSIX-like systems.
LZMA Utils provide a gzip-like lzma tool for POSIX-like systems.
LZMA Utils are based on LZMA SDK. XZ Utils are the successor to
LZMA Utils.
There are several other projects using LZMA. Most are more or less
based on LZMA SDK. See <https://7-zip.org/links.html>.
Q: Why is liblzma named liblzma if its primary file format is .xz?
Shouldn't it be e.g. libxz?
A: When the designing of the .xz format began, the idea was to replace
the .lzma format and use the same .lzma suffix. It would have been
quite OK to reuse the suffix when there were very few .lzma files
around. However, the old .lzma format became popular before the
new format was finished. The new format was renamed to .xz but the
name of liblzma wasn't changed.
Q: Do XZ Utils support the .7z format?
A: No. Use 7-Zip (Windows) or p7zip (POSIX-like systems) to handle .7z
files.
Q: I have many .tar.7z files. Can I convert them to .tar.xz without
spending hours recompressing the data?
A: In the "extra" directory, there is a script named 7z2lzma.bash which
is able to convert some .7z files to the .lzma format (not .xz). It
needs the 7za (or 7z) command from p7zip. The script may silently
produce corrupt output if certain assumptions are not met, so
decompress the resulting .lzma file and compare it against the
original before deleting the original file!
Q: I have many .lzma files. Can I quickly convert them to the .xz format?
A: For now, no. Since XZ Utils supports the .lzma format, it's usually
not too bad to keep the old files in the old format. If you want to
do the conversion anyway, you need to decompress the .lzma files and
then recompress to the .xz format.
Technically, there is a way to make the conversion relatively fast
(roughly twice the time that normal decompression takes). Writing
such a tool would take quite a bit of time though, and would probably
be useful to only a few people. If you really want such a conversion
tool, contact Lasse Collin and offer some money.
Q: I have installed xz, but my tar doesn't recognize .tar.xz files.
How can I extract .tar.xz files?
A: xz -dc foo.tar.xz | tar xf -
Q: Can I recover parts of a broken .xz file (e.g. a corrupted CD-R)?
A: It may be possible if the file consists of multiple blocks, which
typically is not the case if the file was created in single-threaded
mode. There is no recovery program yet.
Q: Is (some part of) XZ Utils patented?
A: Lasse Collin is not aware of any patents that could affect XZ Utils.
However, due to the nature of software patents, it's not possible to
guarantee that XZ Utils isn't affected by any third party patent(s).
Q: Where can I find documentation about the file format and algorithms?
A: The .xz format is documented in xz-file-format.txt. It is a container
format only, and doesn't include descriptions of any non-trivial
filters.
Documenting LZMA and LZMA2 is planned, but for now, there is no other
documentation than the source code. Before you begin, you should know
the basics of LZ77 and range-coding algorithms. LZMA is based on LZ77,
but LZMA is a lot more complex. Range coding is used to compress
the final bitstream like Huffman coding is used in Deflate.
Q: I cannot find BCJ and BCJ2 filters. Don't they exist in liblzma?
A: BCJ filter is called "x86" in liblzma. BCJ2 is not included,
because it requires using more than one encoded output stream.
Q: I need to use a script that runs "xz -9". On a system with 256 MiB
of RAM, xz says that it cannot allocate memory. Can I make the
script work without modifying it?
A: Set a default memory usage limit for compression. You can do it e.g.
in a shell initialization script such as ~/.bashrc or /etc/profile:
XZ_DEFAULTS=--memlimit-compress=150MiB
export XZ_DEFAULTS
xz will then scale the compression settings down so that the given
memory usage limit is not reached. This way xz shouldn't run out
of memory.
Check also that memory-related resource limits are high enough.
On most systems, "ulimit -a" will show the current resource limits.
Q: How do I create files that can be decompressed with XZ Embedded?
A: See the documentation in XZ Embedded. In short, something like
this is a good start:
xz --check=crc32 --lzma2=preset=6e,dict=64KiB
Or if a BCJ filter is needed too, e.g. if compressing
a kernel image for PowerPC:
xz --check=crc32 --powerpc --lzma2=preset=6e,dict=64KiB
Adjust the dictionary size to get a good compromise between
compression ratio and decompressor memory usage. Note that
in single-call decompression mode of XZ Embedded, a big
dictionary doesn't increase memory usage.
Q: How is multi-threaded compression implemented in XZ Utils?
A: The simplest method is splitting the uncompressed data into blocks
and compressing them in parallel independent from each other.
This is currently the only threading method supported in XZ Utils.
Since the blocks are compressed independently, they can also be
decompressed independently. Together with the index feature in .xz,
this allows using threads to create .xz files for random-access
reading. This also makes threaded decompression possible.
The independent blocks method has a couple of disadvantages too. It
will compress worse than a single-block method. Often the difference
is not too big (maybe 1-2 %) but sometimes it can be too big. Also,
the memory usage of the compressor increases linearly when adding
threads.
At least two other threading methods are possible but these haven't
been implemented in XZ Utils:
Match finder parallelization has been in 7-Zip for ages. It doesn't
affect compression ratio or memory usage significantly. Among the
three threading methods, only this is useful when compressing small
files (files that are not significantly bigger than the dictionary).
Unfortunately this method scales only to about two CPU cores.
The third method is pigz-style threading (I use that name, because
pigz <https://www.zlib.net/pigz/> uses that method). It doesn't
affect compression ratio significantly and scales to many cores.
The memory usage scales linearly when threads are added. This isn't
significant with pigz, because Deflate uses only a 32 KiB dictionary,
but with LZMA2 the memory usage will increase dramatically just like
with the independent-blocks method. There is also a constant
computational overhead, which may make pigz-method a bit dull on
dual-core compared to the parallel match finder method, but with more
cores the overhead is not a big deal anymore.
Combining the threading methods will be possible and also useful.
For example, combining match finder parallelization with pigz-style
threading or independent-blocks-threading can cut the memory usage
by 50 %.
Q: I told xz to use many threads but it is using only one or two
processor cores. What is wrong?
A: Since multi-threaded compression is done by splitting the data into
blocks that are compressed individually, if the input file is too
small for the block size, then many threads cannot be used. The
default block size increases when the compression level is
increased. For example, xz -6 uses 8 MiB LZMA2 dictionary and
24 MiB blocks, and xz -9 uses 64 MiB LZMA dictionary and 192 MiB
blocks. If the input file is 100 MiB, xz -6 can use five threads
of which one will finish quickly as it has only 4 MiB to compress.
However, for the same file, xz -9 can only use one thread.
One can adjust block size with --block-size=SIZE but making the
block size smaller than LZMA2 dictionary is waste of RAM: using
xz -9 with 6 MiB blocks isn't any better than using xz -6 with
6 MiB blocks. The default settings use a block size bigger than
the LZMA2 dictionary size because this was seen as a reasonable
compromise between RAM usage and compression ratio.
When decompressing, the ability to use threads depends on how the
file was created. If it was created in multi-threaded mode then
it can be decompressed in multi-threaded mode too if there are
multiple blocks in the file.
Q: How do I build a program that needs liblzmadec (lzmadec.h)?
A: liblzmadec is part of LZMA Utils. XZ Utils has liblzma, but no
liblzmadec. The code using liblzmadec should be ported to use
liblzma instead. If you cannot or don't want to do that, download
LZMA Utils from <https://tukaani.org/lzma/>.
Q: The default build of liblzma is too big. How can I make it smaller?
A: Give --enable-small to the configure script. Use also appropriate
--enable or --disable options to include only those filter encoders
and decoders and integrity checks that you actually need. Use
CFLAGS=-Os (with GCC) or equivalent to tell your compiler to optimize
for size. See INSTALL for information about configure options.
If the result is still too big, take a look at XZ Embedded. It is
a separate project, which provides a limited but significantly
smaller XZ decoder implementation than XZ Utils. You can find it
at <https://tukaani.org/xz/embedded.html>.

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History of LZMA Utils and XZ Utils
==================================
Tukaani distribution
In 2005, there was a small group working on the Tukaani distribution,
which was a Slackware fork. One of the project's goals was to fit the
distro on a single 700 MiB ISO-9660 image. Using LZMA instead of gzip
helped a lot. Roughly speaking, one could fit data that took 1000 MiB
in gzipped form into 700 MiB with LZMA. Naturally, the compression
ratio varied across packages, but this was what we got on average.
Slackware packages have traditionally had .tgz as the filename suffix,
which is an abbreviation of .tar.gz. A logical naming for LZMA
compressed packages was .tlz, being an abbreviation of .tar.lzma.
At the end of the year 2007, there was no distribution under the
Tukaani project anymore, but development of LZMA Utils was kept going.
Still, there were .tlz packages around, because at least Vector Linux
(a Slackware based distribution) used LZMA for its packages.
First versions of the modified pkgtools used the LZMA_Alone tool from
Igor Pavlov's LZMA SDK as is. It was fine, because users wouldn't need
to interact with LZMA_Alone directly. But people soon wanted to use
LZMA for other files too, and the interface of LZMA_Alone wasn't
comfortable for those used to gzip and bzip2.
First steps of LZMA Utils
The first version of LZMA Utils (4.22.0) included a shell script called
lzmash. It was a wrapper that had a gzip-like command-line interface. It
used the LZMA_Alone tool from LZMA SDK to do all the real work. zgrep,
zdiff, and related scripts from gzip were adapted to work with LZMA and
were part of the first LZMA Utils release too.
LZMA Utils 4.22.0 included also lzmadec, which was a small (less than
10 KiB) decoder-only command-line tool. It was written on top of the
decoder-only C code found from the LZMA SDK. lzmadec was convenient in
situations where LZMA_Alone (a few hundred KiB) would be too big.
lzmash and lzmadec were written by Lasse Collin.
Second generation
The lzmash script was an ugly and not very secure hack. The last
version of LZMA Utils to use lzmash was 4.27.1.
LZMA Utils 4.32.0beta1 introduced a new lzma command-line tool written
by Ville Koskinen. It was written in C++, and used the encoder and
decoder from C++ LZMA SDK with some little modifications. This tool
replaced both the lzmash script and the LZMA_Alone command-line tool
in LZMA Utils.
Introducing this new tool caused some temporary incompatibilities,
because the LZMA_Alone executable was simply named lzma like the new
command-line tool, but they had a completely different command-line
interface. The file format was still the same.
Lasse wrote liblzmadec, which was a small decoder-only library based
on the C code found from LZMA SDK. liblzmadec had an API similar to
zlib, although there were some significant differences, which made it
non-trivial to use it in some applications designed for zlib and
libbzip2.
The lzmadec command-line tool was converted to use liblzmadec.
Alexandre Sauvé helped converting the build system to use GNU
Autotools. This made it easier to test for certain less portable
features needed by the new command-line tool.
Since the new command-line tool never got completely finished (for
example, it didn't support the LZMA_OPT environment variable), the
intent was to not call 4.32.x stable. Similarly, liblzmadec wasn't
polished, but appeared to work well enough, so some people started
using it too.
Because the development of the third generation of LZMA Utils was
delayed considerably (3-4 years), the 4.32.x branch had to be kept
maintained. It got some bug fixes now and then, and finally it was
decided to call it stable, although most of the missing features were
never added.
File format problems
The file format used by LZMA_Alone was primitive. It was designed with
embedded systems in mind, and thus provided only a minimal set of
features. The two biggest problems for non-embedded use were the lack
of magic bytes and an integrity check.
Igor and Lasse started developing a new file format with some help
from Ville Koskinen. Also Mark Adler, Mikko Pouru, H. Peter Anvin,
and Lars Wirzenius helped with some minor things at some point of the
development. Designing the new format took quite a long time (actually,
too long a time would be a more appropriate expression). It was mostly
because Lasse was quite slow at getting things done due to personal
reasons.
Originally the new format was supposed to use the same .lzma suffix
that was already used by the old file format. Switching to the new
format wouldn't have caused much trouble when the old format wasn't
used by many people. But since the development of the new format took
such a long time, the old format got quite popular, and it was decided
that the new file format must use a different suffix.
It was decided to use .xz as the suffix of the new file format. The
first stable .xz file format specification was finally released in
December 2008. In addition to fixing the most obvious problems of
the old .lzma format, the .xz format added some new features like
support for multiple filters (compression algorithms), filter chaining
(like piping on the command line), and limited random-access reading.
Currently the primary compression algorithm used in .xz is LZMA2.
It is an extension on top of the original LZMA to fix some practical
problems: LZMA2 adds support for flushing the encoder, uncompressed
chunks, eases stateful decoder implementations, and improves support
for multithreading. Since LZMA2 is better than the original LZMA, the
original LZMA is not supported in .xz.
Transition to XZ Utils
The early versions of XZ Utils were called LZMA Utils. The first
releases were 4.42.0alphas. They dropped the rest of the C++ LZMA SDK.
The code was still directly based on LZMA SDK but ported to C and
converted from a callback API to a stateful API. Later, Igor Pavlov
made a C version of the LZMA encoder too; these ports from C++ to C
were independent in LZMA SDK and LZMA Utils.
The core of the new LZMA Utils was liblzma, a compression library with
a zlib-like API. liblzma supported both the old and new file format.
The gzip-like lzma command-line tool was rewritten to use liblzma.
The new LZMA Utils code base was renamed to XZ Utils when the name
of the new file format had been decided. The liblzma compression
library retained its name though, because changing it would have
caused unnecessary breakage in applications already using the early
liblzma snapshots.
The xz command-line tool can emulate the gzip-like lzma tool by
creating appropriate symlinks (e.g. lzma -> xz). Thus, practically
all scripts using the lzma tool from LZMA Utils will work as is with
XZ Utils (and will keep using the old .lzma format). Still, the .lzma
format is more or less deprecated. XZ Utils will keep supporting it,
but new applications should use the .xz format, and migrating old
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The .lzma File Format
=====================
0. Preface
0.1. Notices and Acknowledgements
0.2. Changes
1. File Format
1.1. Header
1.1.1. Properties
1.1.2. Dictionary Size
1.1.3. Uncompressed Size
1.2. LZMA Compressed Data
2. References
0. Preface
This document describes the .lzma file format, which is
sometimes also called LZMA_Alone format. It is a legacy file
format, which is being or has been replaced by the .xz format.
The MIME type of the .lzma format is `application/x-lzma'.
The most commonly used software to handle .lzma files are
LZMA SDK, LZMA Utils, 7-Zip, and XZ Utils. This document
describes some of the differences between these implementations
and gives hints what subset of the .lzma format is the most
portable.
0.1. Notices and Acknowledgements
This file format was designed by Igor Pavlov for use in
LZMA SDK. This document was written by Lasse Collin
<lasse.collin@tukaani.org> using the documentation found
from the LZMA SDK.
This document has been put into the public domain.
0.2. Changes
Last modified: 2024-04-08 17:35+0300
From version 2011-04-12 11:55+0300 to 2022-07-13 21:00+0300:
The section 1.1.3 was modified to allow End of Payload Marker
with a known Uncompressed Size.
1. File Format
+-+-+-+-+-+-+-+-+-+-+-+-+-+==========================+
| Header | LZMA Compressed Data |
+-+-+-+-+-+-+-+-+-+-+-+-+-+==========================+
The .lzma format file consist of 13-byte Header followed by
the LZMA Compressed Data.
Unlike the .gz, .bz2, and .xz formats, it is not possible to
concatenate multiple .lzma files as is and expect the
decompression tool to decode the resulting file as if it were
a single .lzma file.
For example, the command line tools from LZMA Utils and
LZMA SDK silently ignore all the data after the first .lzma
stream. In contrast, the command line tool from XZ Utils
considers the .lzma file to be corrupt if there is data after
the first .lzma stream.
1.1. Header
+------------+----+----+----+----+--+--+--+--+--+--+--+--+
| Properties | Dictionary Size | Uncompressed Size |
+------------+----+----+----+----+--+--+--+--+--+--+--+--+
1.1.1. Properties
The Properties field contains three properties. An abbreviation
is given in parentheses, followed by the value range of the
property. The field consists of
1) the number of literal context bits (lc, [0, 8]);
2) the number of literal position bits (lp, [0, 4]); and
3) the number of position bits (pb, [0, 4]).
The properties are encoded using the following formula:
Properties = (pb * 5 + lp) * 9 + lc
The following C code illustrates a straightforward way to
decode the Properties field:
uint8_t lc, lp, pb;
uint8_t prop = get_lzma_properties();
if (prop > (4 * 5 + 4) * 9 + 8)
return LZMA_PROPERTIES_ERROR;
pb = prop / (9 * 5);
prop -= pb * 9 * 5;
lp = prop / 9;
lc = prop - lp * 9;
XZ Utils has an additional requirement: lc + lp <= 4. Files
which don't follow this requirement cannot be decompressed
with XZ Utils. Usually this isn't a problem since the most
common lc/lp/pb values are 3/0/2. It is the only lc/lp/pb
combination that the files created by LZMA Utils can have,
but LZMA Utils can decompress files with any lc/lp/pb.
1.1.2. Dictionary Size
Dictionary Size is stored as an unsigned 32-bit little endian
integer. Any 32-bit value is possible, but for maximum
portability, only sizes of 2^n and 2^n + 2^(n-1) should be
used.
LZMA Utils creates only files with dictionary size 2^n,
16 <= n <= 25. LZMA Utils can decompress files with any
dictionary size.
XZ Utils creates and decompresses .lzma files only with
dictionary sizes 2^n and 2^n + 2^(n-1). If some other
dictionary size is specified when compressing, the value
stored in the Dictionary Size field is a rounded up, but the
specified value is still used in the actual compression code.
1.1.3. Uncompressed Size
Uncompressed Size is stored as unsigned 64-bit little endian
integer. A special value of 0xFFFF_FFFF_FFFF_FFFF indicates
that Uncompressed Size is unknown. End of Payload Marker (*)
is used if Uncompressed Size is unknown. End of Payload Marker
is allowed but rarely used if Uncompressed Size is known.
XZ Utils 5.2.5 and older don't support .lzma files that have
End of Payload Marker together with a known Uncompressed Size.
XZ Utils rejects files whose Uncompressed Size field specifies
a known size that is 256 GiB or more. This is to reject false
positives when trying to guess if the input file is in the
.lzma format. When Uncompressed Size is unknown, there is no
limit for the uncompressed size of the file.
(*) Some tools use the term End of Stream (EOS) marker
instead of End of Payload Marker.
1.2. LZMA Compressed Data
Detailed description of the format of this field is out of
scope of this document.
2. References
LZMA SDK - The original LZMA implementation
https://7-zip.org/sdk.html
7-Zip
https://7-zip.org/
LZMA Utils - LZMA adapted to POSIX-like systems
https://tukaani.org/lzma/
XZ Utils - The next generation of LZMA Utils
https://tukaani.org/xz/
The .xz file format - The successor of the .lzma format
https://tukaani.org/xz/xz-file-format.txt

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LZMAINFO(1) XZ Utils LZMAINFO(1)
NAME
lzmainfo - show information stored in the .lzma file header
SYNOPSIS
lzmainfo [--help] [--version] [file...]
DESCRIPTION
lzmainfo shows information stored in the .lzma file header. It reads
the first 13 bytes from the specified file, decodes the header, and
prints it to standard output in human readable format. If no files are
given or file is -, standard input is read.
Usually the most interesting information is the uncompressed size and
the dictionary size. Uncompressed size can be shown only if the file
is in the non-streamed .lzma format variant. The amount of memory re-
quired to decompress the file is a few dozen kilobytes plus the dictio-
nary size.
lzmainfo is included in XZ Utils primarily for backward compatibility
with LZMA Utils.
EXIT STATUS
0 All is good.
1 An error occurred.
BUGS
lzmainfo uses MB while the correct suffix would be MiB (2^20 bytes).
This is to keep the output compatible with LZMA Utils.
SEE ALSO
xz(1)
Tukaani 2013-06-30 LZMAINFO(1)

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XZDEC(1) XZ Utils XZDEC(1)
NAME
xzdec, lzmadec - Small .xz and .lzma decompressors
SYNOPSIS
xzdec [option...] [file...]
lzmadec [option...] [file...]
DESCRIPTION
xzdec is a liblzma-based decompression-only tool for .xz (and only .xz)
files. xzdec is intended to work as a drop-in replacement for xz(1) in
the most common situations where a script has been written to use xz
--decompress --stdout (and possibly a few other commonly used options)
to decompress .xz files. lzmadec is identical to xzdec except that lz-
madec supports .lzma files instead of .xz files.
To reduce the size of the executable, xzdec doesn't support multi-
threading or localization, and doesn't read options from XZ_DEFAULTS
and XZ_OPT environment variables. xzdec doesn't support displaying in-
termediate progress information: sending SIGINFO to xzdec does nothing,
but sending SIGUSR1 terminates the process instead of displaying
progress information.
OPTIONS
-d, --decompress, --uncompress
Ignored for xz(1) compatibility. xzdec supports only decompres-
sion.
-k, --keep
Ignored for xz(1) compatibility. xzdec never creates or removes
any files.
-c, --stdout, --to-stdout
Ignored for xz(1) compatibility. xzdec always writes the decom-
pressed data to standard output.
-q, --quiet
Specifying this once does nothing since xzdec never displays any
warnings or notices. Specify this twice to suppress errors.
-Q, --no-warn
Ignored for xz(1) compatibility. xzdec never uses the exit sta-
tus 2.
-h, --help
Display a help message and exit successfully.
-V, --version
Display the version number of xzdec and liblzma.
EXIT STATUS
0 All was good.
1 An error occurred.
xzdec doesn't have any warning messages like xz(1) has, thus the exit
status 2 is not used by xzdec.
NOTES
Use xz(1) instead of xzdec or lzmadec for normal everyday use. xzdec
or lzmadec are meant only for situations where it is important to have
a smaller decompressor than the full-featured xz(1).
xzdec and lzmadec are not really that small. The size can be reduced
further by dropping features from liblzma at compile time, but that
shouldn't usually be done for executables distributed in typical non-
embedded operating system distributions. If you need a truly small .xz
decompressor, consider using XZ Embedded.
SEE ALSO
xz(1)
XZ Embedded: <https://tukaani.org/xz/embedded.html>
Tukaani 2024-04-08 XZDEC(1)

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XZDIFF(1) XZ Utils XZDIFF(1)
NAME
xzcmp, xzdiff, lzcmp, lzdiff - compare compressed files
SYNOPSIS
xzcmp [option...] file1 [file2]
xzdiff ...
lzcmp ...
lzdiff ...
DESCRIPTION
xzcmp and xzdiff compare uncompressed contents of two files. Uncom-
pressed data and options are passed to cmp(1) or diff(1) unless --help
or --version is specified.
If both file1 and file2 are specified, they can be uncompressed files
or files in formats that xz(1), gzip(1), bzip2(1), lzop(1), zstd(1), or
lz4(1) can decompress. The required decompression commands are deter-
mined from the filename suffixes of file1 and file2. A file with an
unknown suffix is assumed to be either uncompressed or in a format that
xz(1) can decompress.
If only one filename is provided, file1 must have a suffix of a sup-
ported compression format and the name for file2 is assumed to be file1
with the compression format suffix removed.
The commands lzcmp and lzdiff are provided for backward compatibility
with LZMA Utils.
EXIT STATUS
If a decompression error occurs, the exit status is 2. Otherwise the
exit status of cmp(1) or diff(1) is used.
SEE ALSO
cmp(1), diff(1), xz(1), gzip(1), bzip2(1), lzop(1), zstd(1), lz4(1)
Tukaani 2024-02-13 XZDIFF(1)

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XZGREP(1) XZ Utils XZGREP(1)
NAME
xzgrep - search possibly-compressed files for patterns
SYNOPSIS
xzgrep [option...] [pattern_list] [file...]
xzegrep ...
xzfgrep ...
lzgrep ...
lzegrep ...
lzfgrep ...
DESCRIPTION
xzgrep invokes grep(1) on uncompressed contents of files. The formats
of the files are determined from the filename suffixes. Any file with
a suffix supported by xz(1), gzip(1), bzip2(1), lzop(1), zstd(1), or
lz4(1) will be decompressed; all other files are assumed to be uncom-
pressed.
If no files are specified or file is - then standard input is read.
When reading from standard input, only files supported by xz(1) are de-
compressed. Other files are assumed to be in uncompressed form al-
ready.
Most options of grep(1) are supported. However, the following options
are not supported:
-r, --recursive
-R, --dereference-recursive
-d, --directories=action
-Z, --null
-z, --null-data
--include=glob
--exclude=glob
--exclude-from=file
--exclude-dir=glob
xzegrep is an alias for xzgrep -E. xzfgrep is an alias for xzgrep -F.
The commands lzgrep, lzegrep, and lzfgrep are provided for backward
compatibility with LZMA Utils.
EXIT STATUS
0 At least one match was found from at least one of the input
files. No errors occurred.
1 No matches were found from any of the input files. No errors
occurred.
>1 One or more errors occurred. It is unknown if matches were
found.
ENVIRONMENT
GREP If GREP is set to a non-empty value, it is used instead of grep,
grep -E, or grep -F.
SEE ALSO
grep(1), xz(1), gzip(1), bzip2(1), lzop(1), zstd(1), lz4(1), zgrep(1)
Tukaani 2024-02-13 XZGREP(1)

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XZLESS(1) XZ Utils XZLESS(1)
NAME
xzless, lzless - view xz or lzma compressed (text) files
SYNOPSIS
xzless [file...]
lzless [file...]
DESCRIPTION
xzless is a filter that displays text from compressed files to a termi-
nal. Files supported by xz(1) are decompressed; other files are as-
sumed to be in uncompressed form already. If no files are given, xz-
less reads from standard input.
xzless uses less(1) to present its output. Unlike xzmore, its choice
of pager cannot be altered by setting an environment variable. Com-
mands are based on both more(1) and vi(1) and allow back and forth
movement and searching. See the less(1) manual for more information.
The command named lzless is provided for backward compatibility with
LZMA Utils.
ENVIRONMENT
LESSMETACHARS
A list of characters special to the shell. Set by xzless unless
it is already set in the environment.
LESSOPEN
Set to a command line to invoke the xz(1) decompressor for pre-
processing the input files to less(1).
SEE ALSO
less(1), xz(1), xzmore(1), zless(1)
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XZMORE(1) XZ Utils XZMORE(1)
NAME
xzmore, lzmore - view xz or lzma compressed (text) files
SYNOPSIS
xzmore [file...]
lzmore [file...]
DESCRIPTION
xzmore displays text from compressed files to a terminal using more(1).
Files supported by xz(1) are decompressed; other files are assumed to
be in uncompressed form already. If no files are given, xzmore reads
from standard input. See the more(1) manual for the keyboard commands.
Note that scrolling backwards might not be possible depending on the
implementation of more(1). This is because xzmore uses a pipe to pass
the decompressed data to more(1). xzless(1) uses less(1) which pro-
vides more advanced features.
The command lzmore is provided for backward compatibility with LZMA
Utils.
ENVIRONMENT
PAGER If PAGER is set, its value is used as the pager instead of
more(1).
SEE ALSO
more(1), xz(1), xzless(1), zmore(1)
Tukaani 2024-02-12 XZMORE(1)

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Building XZ Utils for DOS
=========================
Introduction
This document explains how to build XZ Utils for DOS using DJGPP.
The resulting binaries should run at least on various DOS versions
and under Windows 95/98/98SE/ME.
This is somewhat experimental and has got very little testing.
Note: Makefile and config.h are updated only now and then. This
means that if you checked out a development version, building for
DOS might not work without updating Makefile and config.h first.
Getting and Installing DJGPP
You may use <https://www.delorie.com/djgpp/zip-picker.html> to help
deciding what to download. If you are only interested in building
XZ Utils, the zip-picker may list files that you don't strictly
need. However, using the zip-picker can still be worth it to get a
nice short summary of installation instructions (they can be found
from readme.1st too).
For a more manual method, first select a mirror from
<https://www.delorie.com/djgpp/getting.html> and go the
subdirectory named "current". You need the following files:
unzip32.exe (if you don't already have a LFN-capable unzipper)
v2/djdev205.zip
v2gnu/bnu234b.zip
v2gnu/gcc920b.zip
v2gnu/mak43b.zip
v2misc/csdpmi7b.zip
If newer versions are available, probably you should try them first.
Note that versions older than djdev205.zip aren't supported. Also
note that you want csdpmi7b.zip even if you run under Windows or
DOSEMU because the XZ Utils Makefile will embed cwsdstub.exe to
the resulting xz.exe.
See the instructions in readme.1st found from djdev205.zip. Here's
a short summary, but you should still read readme.1st.
C:\> mkdir DJGPP
C:\> cd DJGPP
C:\DJGPP> c:\download\unzip32 c:\download\djdev205.zip
C:\DJGPP> c:\download\unzip32 c:\download\bnu234b.zip
C:\DJGPP> c:\download\unzip32 c:\download\gcc920b.zip
C:\DJGPP> c:\download\unzip32 c:\download\mak43b.zip
C:\DJGPP> c:\download\unzip32 c:\download\csdpmi7b.zip
C:\DJGPP> set PATH=C:\DJGPP\BIN;%PATH%
C:\DJGPP> set DJGPP=C:\DJGPP\DJGPP.ENV
You may want to add the last two lines into AUTOEXEC.BAT or have,
for example, DJGPP.BAT which you can run before using DJGPP.
Make sure you use completely upper case path in the DJGPP environment
variable. This is not required by DJGPP, but the XZ Utils Makefile is
a bit stupid and expects that everything in DJGPP environment variable
is uppercase.
Building
You need to have an environment that supports long filenames (LFN).
Once you have built XZ Utils, the resulting binaries can be run
without long filename support.
Run "make" in this directory (the directory containing this
INSTALL.txt). You should get xz.exe (and a bunch of temporary files).
Other tools are not built. Having e.g. xzdec.exe doesn't save much
space compared to xz.exe because the DJGPP runtime makes the .exe
quite big anyway.

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# SPDX-License-Identifier: 0BSD
###############################################################################
#
# Makefile to build XZ Utils using DJGPP
#
# Author: Lasse Collin
#
###############################################################################
# For debugging, set comment "#define NDEBUG 1" from config.h to enable
# the assert() macro, set STRIP=rem to disable stripping, and finally
# e.g. CFLAGS="-g -O0".
CC = gcc
STRIP = strip
CPPFLAGS =
CFLAGS = -g -Wall -Wextra -Wfatal-errors -march=i386 -mtune=i686 -O2
LDFLAGS = -lemu
ALL_CFLAGS = -std=gnu99
ALL_CPPFLAGS = \
-I. \
-I../lib \
-I../src/common \
-I../src/liblzma/api \
-I../src/liblzma/common \
-I../src/liblzma/check \
-I../src/liblzma/rangecoder \
-I../src/liblzma/lz \
-I../src/liblzma/lzma \
-I../src/liblzma/delta \
-I../src/liblzma/simple \
-DHAVE_CONFIG_H
ALL_CPPFLAGS += $(CPPFLAGS)
ALL_CFLAGS += $(CFLAGS)
.PHONY: all
all: xz.exe
SRCS_C = \
../lib/getopt.c \
../lib/getopt1.c \
../src/common/tuklib_cpucores.c \
../src/common/tuklib_exit.c \
../src/common/tuklib_mbstr_fw.c \
../src/common/tuklib_mbstr_width.c \
../src/common/tuklib_open_stdxxx.c \
../src/common/tuklib_physmem.c \
../src/common/tuklib_progname.c \
../src/liblzma/check/check.c \
../src/liblzma/check/crc32_table.c \
../src/liblzma/check/crc64_table.c \
../src/liblzma/check/sha256.c \
../src/liblzma/common/alone_decoder.c \
../src/liblzma/common/alone_encoder.c \
../src/liblzma/common/block_decoder.c \
../src/liblzma/common/block_encoder.c \
../src/liblzma/common/block_header_decoder.c \
../src/liblzma/common/block_header_encoder.c \
../src/liblzma/common/block_util.c \
../src/liblzma/common/common.c \
../src/liblzma/common/file_info.c \
../src/liblzma/common/filter_common.c \
../src/liblzma/common/filter_decoder.c \
../src/liblzma/common/filter_encoder.c \
../src/liblzma/common/filter_flags_decoder.c \
../src/liblzma/common/filter_flags_encoder.c \
../src/liblzma/common/hardware_physmem.c \
../src/liblzma/common/index.c \
../src/liblzma/common/index_decoder.c \
../src/liblzma/common/index_encoder.c \
../src/liblzma/common/index_hash.c \
../src/liblzma/common/lzip_decoder.c \
../src/liblzma/common/stream_decoder.c \
../src/liblzma/common/stream_encoder.c \
../src/liblzma/common/stream_flags_common.c \
../src/liblzma/common/stream_flags_decoder.c \
../src/liblzma/common/stream_flags_encoder.c \
../src/liblzma/common/string_conversion.c \
../src/liblzma/common/vli_decoder.c \
../src/liblzma/common/vli_encoder.c \
../src/liblzma/common/vli_size.c \
../src/liblzma/delta/delta_common.c \
../src/liblzma/delta/delta_decoder.c \
../src/liblzma/delta/delta_encoder.c \
../src/liblzma/lz/lz_decoder.c \
../src/liblzma/lz/lz_encoder.c \
../src/liblzma/lz/lz_encoder_mf.c \
../src/liblzma/lzma/fastpos_table.c \
../src/liblzma/lzma/lzma2_decoder.c \
../src/liblzma/lzma/lzma2_encoder.c \
../src/liblzma/lzma/lzma_decoder.c \
../src/liblzma/lzma/lzma_encoder.c \
../src/liblzma/lzma/lzma_encoder_optimum_fast.c \
../src/liblzma/lzma/lzma_encoder_optimum_normal.c \
../src/liblzma/lzma/lzma_encoder_presets.c \
../src/liblzma/rangecoder/price_table.c \
../src/liblzma/simple/arm.c \
../src/liblzma/simple/arm64.c \
../src/liblzma/simple/armthumb.c \
../src/liblzma/simple/ia64.c \
../src/liblzma/simple/powerpc.c \
../src/liblzma/simple/simple_coder.c \
../src/liblzma/simple/simple_decoder.c \
../src/liblzma/simple/simple_encoder.c \
../src/liblzma/simple/sparc.c \
../src/liblzma/simple/x86.c \
../src/xz/args.c \
../src/xz/coder.c \
../src/xz/file_io.c \
../src/xz/hardware.c \
../src/xz/list.c \
../src/xz/main.c \
../src/xz/message.c \
../src/xz/mytime.c \
../src/xz/options.c \
../src/xz/signals.c \
../src/xz/suffix.c \
../src/xz/util.c
SRCS_ASM = \
../src/liblzma/check/crc32_x86.S \
../src/liblzma/check/crc64_x86.S
OBJS_C = $(SRCS_C:.c=.o)
OBJS_ASM = $(SRCS_ASM:.S=.o)
OBJS = $(OBJS_C) $(OBJS_ASM)
getopt.h:
update ../lib/getopt.in.h getopt.h
$(OBJS): getopt.h
$(OBJS_C): %.o: %.c
$(CC) $(ALL_CPPFLAGS) $(ALL_CFLAGS) -c -o $@ $<
$(OBJS_ASM): %.o: %.S
$(CC) $(ALL_CPPFLAGS) $(ALL_CFLAGS) -c -o $@ $<
# Make xz.exe not depend on an external DPMI server.
xz.exe: $(OBJS)
$(CC) $(ALL_CFLAGS) $(OBJS) $(LDFLAGS) -o $@
$(STRIP) --strip-all $@
exe2coff $@
del $@
copy /b $(DJGPP:DJGPP.ENV=BIN\CWSDSTUB.EXE) + $(@:.exe=) $@
del $(@:.exe=)

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XZ Utils on DOS
===============
DOS-specific filename handling
xz detects at runtime if long filename (LFN) support is
available and will use it by default. It can be disabled by
setting an environment variable:
set lfn=n
When xz is in LFN mode, it behaves pretty much the same as it
does on other operating systems. Examples:
xz foo.tar -> foo.tar.xz
xz -d foo.tar.xz -> foo.tar
xz -F lzma foo.tar -> foo.tar.lzma
xz -d foo.tar.lzma -> foo.tar
When LFN support isn't available or it is disabled with LFN=n
environment setting, xz works in short filename (SFN) mode. This
affects filename suffix handling when compressing.
When compressing to the .xz format in SFN mode:
- Files without an extension get .xz just like on LFN systems.
- *.tar files become *.txz (shorthand for *.tar.xz). *.txz
is recognized by xz on all supported operating systems.
(Try to avoid confusing this with gzipped .txt files.)
- Files with 1-3 character extension have their extension modified
so that the last character is a dash ("-"). If the extension
is already three characters, the last character is lost. The
resulting *.?- or *.??- filename is recognized in LFN mode, but
it isn't recognized by xz on other operating systems.
Examples:
xz foo -> foo.xz | xz -d foo.xz -> foo
xz foo.tar -> foo.txz | xz -d foo.txz -> foo.tar
xz foo.c -> foo.c- | xz -d foo.c- -> foo.c
xz read.me -> read.me- | xz -d read.me- -> read.me
xz foo.txt -> foo.tx- | xz -d foo.tx- -> foo.tx !
Note that in the last example above, the third character of the
filename extension is lost.
When compressing to the legacy .lzma format in SFN mode:
- *.tar files become *.tlz (shorthand for *.tar.lzma). *.tlz
is recognized by xz on all supported operating systems.
- Other files become *.lzm. The original filename extension
is lost. *.lzm is recognized also in LFN mode, but it is not
recognized by xz on other operating systems.
Examples:
xz -F lzma foo -> foo.lzm | xz -d foo.lzm -> foo
xz -F lzma foo.tar -> foo.tlz | xz -d foo.tlz -> foo.tar
xz -F lzma foo.c -> foo.lzm | xz -d foo.lzm -> foo !
xz -F lzma read.me -> read.lzm | xz -d read.lzm -> read !
xz -F lzma foo.txt -> foo.lzm | xz -d foo.lzm -> foo !
When compressing with a custom suffix (-S .SUF, --suffix=.SUF) to
any file format:
- If the suffix begins with a dot, the filename extension is
replaced with the new suffix. The original extension is lost.
- If the suffix doesn't begin with a dot and the filename has no
extension and the filename given on the command line doesn't
have a dot at the end, the custom suffix is appended just like
on LFN systems.
- If the suffix doesn't begin with a dot and the filename has
an extension (or an extension-less filename is given with a dot
at the end), the last 1-3 characters of the filename extension
may get overwritten to fit the given custom suffix.
Examples:
xz -S x foo -> foox | xz -dS x foox -> foo
xz -S x foo. -> foo.x | xz -dS x foo.x -> foo
xz -S .x foo -> foo.x | xz -dS .x foo.x -> foo
xz -S .x foo. -> foo.x | xz -dS .x foo.x -> foo
xz -S x.y foo -> foox.y | xz -dS x.y foox.y -> foo
xz -S .a foo.c -> foo.a | xz -dS .a foo.a -> foo !
xz -S a foo.c -> foo.ca | xz -dS a foo.ca -> foo.c
xz -S ab foo.c -> foo.cab | xz -dS ab foo.cab -> foo.c
xz -S ab read.me -> read.mab | xz -dS ab read.mab -> read.m !
xz -S ab foo.txt -> foo.tab | xz -dS ab foo.tab -> foo.t !
xz -S abc foo.txt -> foo.abc | xz -dS abc foo.abc -> foo !
When decompressing, the suffix handling in SFN mode is the same as
in LFN mode. The DOS-specific filenames *.lzm, *.?-, and *.??- are
recognized also in LFN mode.
xz handles certain uncommon situations safely:
- If the generated output filename refers to the same file as
the input file, xz detects this and refuses to compress or
decompress the input file even if --force is used. This can
happen when giving an overlong filename in SFN mode. E.g.
"xz -S x foo.texinfo" would try to write to foo.tex which on
SFN system is the same file as foo.texinfo.
- If the generated output filename is a special file like "con"
or "prn", xz detects this and refuses to compress or decompress
the input file even if --force is used.
Bugs
xz doesn't necessarily work in Dosbox. It should work in DOSEMU.
Pressing Ctrl-c or Ctrl-Break won't remove the incomplete target file
when running under Windows XP Command Prompt (something goes wrong
with SIGINT handling). It works correctly under Windows 95/98/98SE/ME.

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/* SPDX-License-Identifier: 0BSD */
/* How many MiB of RAM to assume if the real amount cannot be determined. */
#define ASSUME_RAM 32
/* Define to 1 if crc32 integrity check is enabled. */
#define HAVE_CHECK_CRC32 1
/* Define to 1 if crc64 integrity check is enabled. */
#define HAVE_CHECK_CRC64 1
/* Define to 1 if sha256 integrity check is enabled. */
#define HAVE_CHECK_SHA256 1
/* Define to 1 if any of HAVE_DECODER_foo have been defined. */
#define HAVE_DECODERS 1
/* Define to 1 if arm decoder is enabled. */
#define HAVE_DECODER_ARM 1
/* Define to 1 if arm64 decoder is enabled. */
#define HAVE_DECODER_ARM64 1
/* Define to 1 if armthumb decoder is enabled. */
#define HAVE_DECODER_ARMTHUMB 1
/* Define to 1 if delta decoder is enabled. */
#define HAVE_DECODER_DELTA 1
/* Define to 1 if ia64 decoder is enabled. */
#define HAVE_DECODER_IA64 1
/* Define to 1 if lzma1 decoder is enabled. */
#define HAVE_DECODER_LZMA1 1
/* Define to 1 if lzma2 decoder is enabled. */
#define HAVE_DECODER_LZMA2 1
/* Define to 1 if powerpc decoder is enabled. */
#define HAVE_DECODER_POWERPC 1
/* Define to 1 if sparc decoder is enabled. */
#define HAVE_DECODER_SPARC 1
/* Define to 1 if x86 decoder is enabled. */
#define HAVE_DECODER_X86 1
/* Define to 1 if any of HAVE_ENCODER_foo have been defined. */
#define HAVE_ENCODERS 1
/* Define to 1 if arm encoder is enabled. */
#define HAVE_ENCODER_ARM 1
/* Define to 1 if arm64 encoder is enabled. */
#define HAVE_ENCODER_ARM64 1
/* Define to 1 if armthumb encoder is enabled. */
#define HAVE_ENCODER_ARMTHUMB 1
/* Define to 1 if delta encoder is enabled. */
#define HAVE_ENCODER_DELTA 1
/* Define to 1 if ia64 encoder is enabled. */
#define HAVE_ENCODER_IA64 1
/* Define to 1 if lzma1 encoder is enabled. */
#define HAVE_ENCODER_LZMA1 1
/* Define to 1 if lzma2 encoder is enabled. */
#define HAVE_ENCODER_LZMA2 1
/* Define to 1 if powerpc encoder is enabled. */
#define HAVE_ENCODER_POWERPC 1
/* Define to 1 if sparc encoder is enabled. */
#define HAVE_ENCODER_SPARC 1
/* Define to 1 if x86 encoder is enabled. */
#define HAVE_ENCODER_X86 1
/* Define to 1 if you have the <inttypes.h> header file. */
#define HAVE_INTTYPES_H 1
/* Define to 1 if .lz (lzip) decompression support is enabled. */
#define HAVE_LZIP_DECODER 1
/* Define to 1 to enable bt2 match finder. */
#define HAVE_MF_BT2 1
/* Define to 1 to enable bt3 match finder. */
#define HAVE_MF_BT3 1
/* Define to 1 to enable bt4 match finder. */
#define HAVE_MF_BT4 1
/* Define to 1 to enable hc3 match finder. */
#define HAVE_MF_HC3 1
/* Define to 1 to enable hc4 match finder. */
#define HAVE_MF_HC4 1
/* Define to 1 if stdbool.h conforms to C99. */
#define HAVE_STDBOOL_H 1
/* Define to 1 if you have the <stdint.h> header file. */
#define HAVE_STDINT_H 1
/* Define to 1 if you have the 'utimes' function. */
#define HAVE_UTIMES 1
/* Define to 1 or 0, depending whether the compiler supports simple visibility
declarations. */
#define HAVE_VISIBILITY 0
/* Define to 1 if the system has the type '_Bool'. */
#define HAVE__BOOL 1
/* Define to 1 if the GNU C extension __builtin_assume_aligned is supported.
*/
#define HAVE___BUILTIN_ASSUME_ALIGNED 1
/* Define to 1 if the GNU C extensions __builtin_bswap16/32/64 are supported.
*/
#define HAVE___BUILTIN_BSWAPXX 1
/* Define to 1 to disable debugging code. */
#define NDEBUG 1
/* Define to the address where bug reports for this package should be sent. */
#define PACKAGE_BUGREPORT "xz@tukaani.org"
/* Define to the full name of this package. */
#define PACKAGE_NAME "XZ Utils"
/* Define to the home page for this package. */
#define PACKAGE_URL "https://tukaani.org/xz/"
/* The size of 'size_t', as computed by sizeof. */
#define SIZEOF_SIZE_T 4
/* Define to 1 if the system supports fast unaligned access to 16-bit and
32-bit integers. */
#define TUKLIB_FAST_UNALIGNED_ACCESS 1

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# SPDX-License-Identifier: 0BSD
# Run "doxygen" in this directory to generate the liblzma API documentation
# into ../doc/api.
#
# Use the "update-doxygen" script for more choices:
# - Include the liblzma version number in the generated documentation.
# - Instead of API docs, docs of XZ Utils internals may be built.
# - Change the output directory for out-of-tree builds.
#
# These options were tested with Doxygen 1.10.0.
PROJECT_NAME = "liblzma (XZ Utils)"
OUTPUT_DIRECTORY = ../doc
STRIP_FROM_PATH = ../src/liblzma/api
INPUT = ../src/liblzma/api
FILE_PATTERNS = *.c *.h
RECURSIVE = YES
OPTIMIZE_OUTPUT_FOR_C = YES
EXTRACT_STATIC = YES
SORT_MEMBER_DOCS = NO
SOURCE_TOOLTIPS = NO
VERBATIM_HEADERS = NO
ALPHABETICAL_INDEX = NO
HTML_OUTPUT = api
HTML_COLORSTYLE_HUE = 210
HTML_COLORSTYLE_SAT = 180
HTML_COLORSTYLE_GAMMA = 110
HTML_DYNAMIC_MENUS = NO
SEARCHENGINE = NO
GENERATE_LATEX = NO
MACRO_EXPANSION = YES
EXPAND_ONLY_PREDEF = YES
PREDEFINED = LZMA_API(type)=type \
LZMA_API_IMPORT= \
LZMA_API_CALL= \
tuklib_attr_noreturn= \
lzma_attribute(attr)= \
lzma_attr_alloc_size(size)=

114
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#!/bin/sh
# SPDX-License-Identifier: 0BSD
#############################################################################
#
# While it's possible to use the Doxyfile as is to generate liblzma API
# documentation, it is recommended to use this script because this adds
# the XZ Utils version number to the generated HTML.
#
# Other features:
# - Generate documentation of the XZ Utils internals.
# - Set input and output paths for out-of-tree builds.
#
#############################################################################
#
# Authors: Jia Tan
# Lasse Collin
#
#############################################################################
set -e
show_usage()
{
echo "Usage: $0 <api|internal> [ABS_TOP_SRCDIR ABS_OUTDIR]"
echo
echo "Supported modes:"
echo " - 'api' (default): liblzma API docs into doc/api"
echo " - 'internal': internal docs into doc/internal"
echo
echo "Absolute source and output dirs may be set" \
"to do an out-of-tree build."
echo "The output directory must already exist."
exit 1
}
case $1 in
api|internal)
;;
*)
show_usage
;;
esac
if type doxygen > /dev/null 2>&1; then
:
else
echo "$0: 'doxygen' command not found" >&2
exit 1
fi
case $# in
1)
# One argument: Building inside the source tree
ABS_TOP_SRCDIR=`dirname "$0"`/..
ABS_OUTDIR=$ABS_TOP_SRCDIR/doc
;;
3)
# Three arguments: Possibly an out of tree build
ABS_TOP_SRCDIR=$2
ABS_OUTDIR=$3
;;
*)
show_usage
;;
esac
if test ! -f "$ABS_TOP_SRCDIR/doxygen/Doxyfile"; then
echo "$0: Source dir '$ABS_TOP_SRCDIR/doxygen/Doxyfile' not found" >&2
exit 1
fi
if test ! -d "$ABS_OUTDIR"; then
echo "$0: Output dir '$ABS_OUTDIR' not found" >&2
exit 1
fi
# Get the package version so that it can be included in the generated docs.
PACKAGE_VERSION=`cd "$ABS_TOP_SRCDIR" && sh build-aux/version.sh`
case $1 in
api)
# Remove old documentation before re-generating the new.
rm -rf "$ABS_OUTDIR/api"
# Generate the HTML documentation by preparing the Doxyfile
# in stdin and piping the result to the doxygen command.
# With Doxygen, the last assignment of a value to a tag will
# override any earlier assignment. So, we can use this
# feature to override the tags that need to change between
# "api" and "internal" modes.
ABS_SRCDIR=$ABS_TOP_SRCDIR/src/liblzma/api
(
cat "$ABS_TOP_SRCDIR/doxygen/Doxyfile"
echo "PROJECT_NUMBER = $PACKAGE_VERSION"
echo "OUTPUT_DIRECTORY = $ABS_OUTDIR"
echo "STRIP_FROM_PATH = $ABS_SRCDIR"
echo "INPUT = $ABS_SRCDIR"
) | doxygen -q -
;;
internal)
rm -rf "$ABS_OUTDIR/internal"
(
cat "$ABS_TOP_SRCDIR/doxygen/Doxyfile"
echo 'PROJECT_NAME = "XZ Utils"'
echo "PROJECT_NUMBER = $PACKAGE_VERSION"
echo "OUTPUT_DIRECTORY = $ABS_OUTDIR"
echo "STRIP_FROM_PATH = $ABS_TOP_SRCDIR"
echo "INPUT = $ABS_TOP_SRCDIR/src"
echo 'HTML_OUTPUT = internal'
echo 'SEARCHENGINE = YES'
) | doxygen -q -
;;
esac

113
src/dependencies/xz-5.6.2/extra/7z2lzma/7z2lzma.bash Executable file
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#!/bin/bash
# SPDX-License-Identifier: 0BSD
#############################################################################
#
# 7z2lzma.bash is very primitive .7z to .lzma converter. The input file must
# have exactly one LZMA compressed stream, which has been created with the
# default lc, lp, and pb values. The CRC32 in the .7z archive is not checked,
# and the script may seem to succeed while it actually created a corrupt .lzma
# file. You should always try uncompressing both the original .7z and the
# created .lzma and compare that the output is identical.
#
# This script requires basic GNU tools and 7z or 7za tool from p7zip.
#
# Last modified: 2009-01-15 14:25+0200
#
#############################################################################
#
# Author: Lasse Collin <lasse.collin@tukaani.org>
#
#############################################################################
# You can use 7z or 7za, both will work.
SEVENZIP=7za
if [ $# != 2 -o -z "$1" -o -z "$2" ]; then
echo "Usage: $0 input.7z output.lzma"
exit 1
fi
# Converts an integer variable to little endian binary integer.
int2bin()
{
local LEN=$1
local NUM=$2
local HEX=(0 1 2 3 4 5 6 7 8 9 A B C D E F)
local I
for ((I=0; I < "$LEN"; ++I)); do
printf "\\x${HEX[(NUM >> 4) & 0x0F]}${HEX[NUM & 0x0F]}"
NUM=$((NUM >> 8))
done
}
# Make sure we get possible errors from pipes.
set -o pipefail
# Get information about the input file. At least older 7z and 7za versions
# may return with zero exit status even when an error occurred, so check
# if the output has any lines beginning with "Error".
INFO=$("$SEVENZIP" l -slt "$1")
if [ $? != 0 ] || printf '%s\n' "$INFO" | grep -q ^Error; then
printf '%s\n' "$INFO"
exit 1
fi
# Check if the input file has more than one compressed block.
if printf '%s\n' "$INFO" | grep -q '^Block = 1'; then
echo "Cannot convert, because the input file has more than"
echo "one compressed block."
exit 1
fi
# Get compressed, uncompressed, and dictionary size.
CSIZE=$(printf '%s\n' "$INFO" | sed -rn 's|^Packed Size = ([0-9]+$)|\1|p')
USIZE=$(printf '%s\n' "$INFO" | sed -rn 's|^Size = ([0-9]+$)|\1|p')
DICT=$(printf '%s\n' "$INFO" | sed -rn 's|^Method = LZMA:([0-9]+[bkm]?)$|\1|p')
if [ -z "$CSIZE" -o -z "$USIZE" -o -z "$DICT" ]; then
echo "Parsing output of $SEVENZIP failed. Maybe the file uses some"
echo "other compression method than plain LZMA."
exit 1
fi
# The following assumes that the default lc, lp, and pb settings were used.
# Otherwise the output will be corrupt.
printf '\x5D' > "$2"
# Dictionary size can be either was power of two, bytes, kibibytes, or
# mebibytes. We need to convert it to bytes.
case $DICT in
*b)
DICT=${DICT%b}
;;
*k)
DICT=${DICT%k}
DICT=$((DICT << 10))
;;
*m)
DICT=${DICT%m}
DICT=$((DICT << 20))
;;
*)
DICT=$((1 << DICT))
;;
esac
int2bin 4 "$DICT" >> "$2"
# Uncompressed size
int2bin 8 "$USIZE" >> "$2"
# Copy the actual compressed data. Using multiple dd commands to avoid
# copying large amount of data with one-byte block size, which would be
# annoyingly slow.
BS=8192
BIGSIZE=$((CSIZE / BS))
CSIZE=$((CSIZE % BS))
{
dd of=/dev/null bs=32 count=1 \
&& dd bs="$BS" count="$BIGSIZE" \
&& dd bs=1 count="$CSIZE"
} < "$1" >> "$2"
exit $?

90
src/dependencies/xz-5.6.2/extra/scanlzma/scanlzma.c Normal file
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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
scanlzma, scan for lzma compressed data in stdin and echo it to stdout.
Copyright (C) 2006 Timo Lindfors
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
*/
/* Usage example:
$ wget http://www.wifi-shop.cz/Files/produkty/wa2204/wa2204av1.4.1.zip
$ unzip wa2204av1.4.1.zip
$ gcc scanlzma.c -o scanlzma -Wall
$ ./scanlzma 0 < WA2204-FW1.4.1/linux-1.4.bin | lzma -c -d | strings | grep -i "copyright"
UpdateDD version 2.5, Copyright (C) 2005 Philipp Benner.
Copyright (C) 2005 Philipp Benner.
Copyright (C) 2005 Philipp Benner.
mawk 1.3%s%s %s, Copyright (C) Michael D. Brennan
# Copyright (C) 1998, 1999, 2001 Henry Spencer.
...
*/
/* LZMA compressed file format */
/* --------------------------- */
/* Offset Size Description */
/* 0 1 Special LZMA properties for compressed data */
/* 1 4 Dictionary size (little endian) */
/* 5 8 Uncompressed size (little endian). -1 means unknown size */
/* 13 Compressed data */
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#define BUFSIZE 4096
int find_lzma_header(unsigned char *buf) {
return (buf[0] < 0xE1
&& buf[0] == 0x5d
&& buf[4] < 0x20
&& (memcmp (buf + 10 , "\x00\x00\x00", 3) == 0
|| (memcmp (buf + 5, "\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF", 8) == 0)));
}
int main(int argc, char *argv[]) {
unsigned char buf[BUFSIZE];
int ret, i, numlzma, blocks=0;
if (argc != 2) {
printf("usage: %s numlzma < infile | lzma -c -d > outfile\n"
"where numlzma is index of lzma file to extract, starting from zero.\n",
argv[0]);
exit(1);
}
numlzma = atoi(argv[1]);
for (;;) {
/* Read data. */
ret = fread(buf, BUFSIZE, 1, stdin);
if (ret != 1)
break;
/* Scan for signature. */
for (i = 0; i<BUFSIZE-23; i++) {
if (find_lzma_header(buf+i) && numlzma-- <= 0) {
fwrite(buf+i, (BUFSIZE-i), 1, stdout);
for (;;) {
int ch;
ch = getchar();
if (ch == EOF)
exit(0);
putchar(ch);
}
}
}
blocks++;
}
return 1;
}

44
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## Copyright (C) 2004-2007 Free Software Foundation, Inc.
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##
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611
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check: $(BUILT_SOURCES)
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all-am: Makefile $(LIBRARIES)
installdirs:
install: $(BUILT_SOURCES)
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getopt.h: getopt.in.h
{ echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
cat $(srcdir)/getopt.in.h; \
} > $@-t
mv -f $@-t $@
# Tell versions [3.59,3.63) of GNU make to not export all variables.
# Otherwise a system limit (for SysV at least) may be exceeded.
.NOEXPORT:

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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/* getopt-on-non-glibc compatibility macros.
Copyright (C) 1989-2023 Free Software Foundation, Inc.
This file is part of gnulib.
Unlike most of the getopt implementation, it is NOT shared
with the GNU C Library.
This file is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
This file is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#ifndef _GETOPT_CDEFS_H
#define _GETOPT_CDEFS_H 1
/* This header should not be used directly; include getopt.h or
unistd.h instead. It does not have a protective #error, because
the guard macro for getopt.h in gnulib is not fixed. */
/* getopt-core.h and getopt-ext.h are shared with GNU libc, and expect
a number of the internal macros supplied to GNU libc's headers by
sys/cdefs.h. Provide fallback definitions for all of them. */
#ifdef HAVE_SYS_CDEFS_H
# include <sys/cdefs.h>
#endif
#ifndef __BEGIN_DECLS
# ifdef __cplusplus
# define __BEGIN_DECLS extern "C" {
# else
# define __BEGIN_DECLS /* nothing */
# endif
#endif
#ifndef __END_DECLS
# ifdef __cplusplus
# define __END_DECLS }
# else
# define __END_DECLS /* nothing */
# endif
#endif
#ifndef __GNUC_PREREQ
# if defined __GNUC__ && defined __GNUC_VERSION__
# define __GNUC_PREREQ(maj, min) \
((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
# else
# define __GNUC_PREREQ(maj, min) 0
# endif
#endif
#ifndef __THROW
# if defined __cplusplus && (__GNUC_PREREQ (2,8) || __clang_major__ >= 4)
# if __cplusplus >= 201103L
# define __THROW noexcept (true)
# else
# define __THROW throw ()
# endif
# else
# define __THROW
# endif
#endif
#endif /* _GETOPT_CDEFS_H */

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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/* Declarations for getopt (basic, portable features only).
Copyright (C) 1989-2023 Free Software Foundation, Inc.
This file is part of the GNU C Library and is also part of gnulib.
Patches to this file should be submitted to both projects.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#ifndef _GETOPT_CORE_H
#define _GETOPT_CORE_H 1
/* This header should not be used directly; include getopt.h or
unistd.h instead. Unlike most bits headers, it does not have
a protective #error, because the guard macro for getopt.h in
gnulib is not fixed. */
__BEGIN_DECLS
/* For communication from 'getopt' to the caller.
When 'getopt' finds an option that takes an argument,
the argument value is returned here.
Also, when 'ordering' is RETURN_IN_ORDER,
each non-option ARGV-element is returned here. */
extern char *optarg;
/* Index in ARGV of the next element to be scanned.
This is used for communication to and from the caller
and for communication between successive calls to 'getopt'.
On entry to 'getopt', zero means this is the first call; initialize.
When 'getopt' returns -1, this is the index of the first of the
non-option elements that the caller should itself scan.
Otherwise, 'optind' communicates from one call to the next
how much of ARGV has been scanned so far. */
extern int optind;
/* Callers store zero here to inhibit the error message 'getopt' prints
for unrecognized options. */
extern int opterr;
/* Set to an option character which was unrecognized. */
extern int optopt;
/* Get definitions and prototypes for functions to process the
arguments in ARGV (ARGC of them, minus the program name) for
options given in OPTS.
Return the option character from OPTS just read. Return -1 when
there are no more options. For unrecognized options, or options
missing arguments, 'optopt' is set to the option letter, and '?' is
returned.
The OPTS string is a list of characters which are recognized option
letters, optionally followed by colons, specifying that that letter
takes an argument, to be placed in 'optarg'.
If a letter in OPTS is followed by two colons, its argument is
optional. This behavior is specific to the GNU 'getopt'.
The argument '--' causes premature termination of argument
scanning, explicitly telling 'getopt' that there are no more
options.
If OPTS begins with '-', then non-option arguments are treated as
arguments to the option '\1'. This behavior is specific to the GNU
'getopt'. If OPTS begins with '+', or POSIXLY_CORRECT is set in
the environment, then do not permute arguments.
For standards compliance, the 'argv' argument has the type
char *const *, but this is inaccurate; if argument permutation is
enabled, the argv array (not the strings it points to) must be
writable. */
extern int getopt (int ___argc, char *const *___argv, const char *__shortopts)
__THROW _GL_ARG_NONNULL ((2, 3));
__END_DECLS
#endif /* _GETOPT_CORE_H */

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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/* Declarations for getopt (GNU extensions).
Copyright (C) 1989-2023 Free Software Foundation, Inc.
This file is part of the GNU C Library and is also part of gnulib.
Patches to this file should be submitted to both projects.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#ifndef _GETOPT_EXT_H
#define _GETOPT_EXT_H 1
/* This header should not be used directly; include getopt.h instead.
Unlike most bits headers, it does not have a protective #error,
because the guard macro for getopt.h in gnulib is not fixed. */
__BEGIN_DECLS
/* Describe the long-named options requested by the application.
The LONG_OPTIONS argument to getopt_long or getopt_long_only is a vector
of 'struct option' terminated by an element containing a name which is
zero.
The field 'has_arg' is:
no_argument (or 0) if the option does not take an argument,
required_argument (or 1) if the option requires an argument,
optional_argument (or 2) if the option takes an optional argument.
If the field 'flag' is not NULL, it points to a variable that is set
to the value given in the field 'val' when the option is found, but
left unchanged if the option is not found.
To have a long-named option do something other than set an 'int' to
a compiled-in constant, such as set a value from 'optarg', set the
option's 'flag' field to zero and its 'val' field to a nonzero
value (the equivalent single-letter option character, if there is
one). For long options that have a zero 'flag' field, 'getopt'
returns the contents of the 'val' field. */
struct option
{
const char *name;
/* has_arg can't be an enum because some compilers complain about
type mismatches in all the code that assumes it is an int. */
int has_arg;
int *flag;
int val;
};
/* Names for the values of the 'has_arg' field of 'struct option'. */
#define no_argument 0
#define required_argument 1
#define optional_argument 2
extern int getopt_long (int ___argc, char *__getopt_argv_const *___argv,
const char *__shortopts,
const struct option *__longopts, int *__longind)
__THROW _GL_ARG_NONNULL ((2, 3));
extern int getopt_long_only (int ___argc, char *__getopt_argv_const *___argv,
const char *__shortopts,
const struct option *__longopts, int *__longind)
__THROW _GL_ARG_NONNULL ((2, 3));
__END_DECLS
#endif /* _GETOPT_EXT_H */

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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/* getopt (basic, portable features) gnulib wrapper header.
Copyright (C) 1989-2023 Free Software Foundation, Inc.
This file is part of gnulib.
Unlike most of the getopt implementation, it is NOT shared
with the GNU C Library.
This file is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
This file is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#ifndef _GETOPT_PFX_CORE_H
#define _GETOPT_PFX_CORE_H 1
/* This header should not be used directly; include getopt.h or
unistd.h instead. It does not have a protective #error, because
the guard macro for getopt.h in gnulib is not fixed. */
/* Standalone applications should #define __GETOPT_PREFIX to an
identifier that prefixes the external functions and variables
defined in getopt-core.h and getopt-ext.h. Systematically
rename identifiers so that they do not collide with the system
functions and variables. Renaming avoids problems with some
compilers and linkers. */
#ifdef __GETOPT_PREFIX
# ifndef __GETOPT_ID
# define __GETOPT_CONCAT(x, y) x ## y
# define __GETOPT_XCONCAT(x, y) __GETOPT_CONCAT (x, y)
# define __GETOPT_ID(y) __GETOPT_XCONCAT (__GETOPT_PREFIX, y)
# endif
# undef getopt
# undef optarg
# undef opterr
# undef optind
# undef optopt
# define getopt __GETOPT_ID (getopt)
# define optarg __GETOPT_ID (optarg)
# define opterr __GETOPT_ID (opterr)
# define optind __GETOPT_ID (optind)
# define optopt __GETOPT_ID (optopt)
/* Work around a problem on macOS, which declares getopt with a
trailing __DARWIN_ALIAS(getopt) that would expand to something like
__asm("_" "rpl_getopt" "$UNIX2003") were it not for the following
hack to suppress the macOS declaration <https://bugs.gnu.org/40205>. */
# ifdef __APPLE__
# define _GETOPT
# endif
/* The system's getopt.h may have already included getopt-core.h to
declare the unprefixed identifiers. Undef _GETOPT_CORE_H so that
getopt-core.h declares them with prefixes. */
# undef _GETOPT_CORE_H
#endif
#include <getopt-core.h>
#endif /* _GETOPT_PFX_CORE_H */

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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/* getopt (GNU extensions) gnulib wrapper header.
Copyright (C) 1989-2023 Free Software Foundation, Inc.
This file is part of gnulib.
Unlike most of the getopt implementation, it is NOT shared
with the GNU C Library.
This file is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
This file is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#ifndef _GETOPT_PFX_EXT_H
#define _GETOPT_PFX_EXT_H 1
/* This header should not be used directly; include getopt.h instead.
It does not have a protective #error, because the guard macro for
getopt.h in gnulib is not fixed. */
/* Standalone applications should #define __GETOPT_PREFIX to an
identifier that prefixes the external functions and variables
defined in getopt-core.h and getopt-ext.h. Systematically
rename identifiers so that they do not collide with the system
functions and variables. Renaming avoids problems with some
compilers and linkers. */
#ifdef __GETOPT_PREFIX
# ifndef __GETOPT_ID
# define __GETOPT_CONCAT(x, y) x ## y
# define __GETOPT_XCONCAT(x, y) __GETOPT_CONCAT (x, y)
# define __GETOPT_ID(y) __GETOPT_XCONCAT (__GETOPT_PREFIX, y)
# endif
# undef getopt_long
# undef getopt_long_only
# undef option
# undef _getopt_internal
# define getopt_long __GETOPT_ID (getopt_long)
# define getopt_long_only __GETOPT_ID (getopt_long_only)
# define option __GETOPT_ID (option)
# define _getopt_internal __GETOPT_ID (getopt_internal)
/* The system's getopt.h may have already included getopt-ext.h to
declare the unprefixed identifiers. Undef _GETOPT_EXT_H so that
getopt-ext.h declares them with prefixes. */
# undef _GETOPT_EXT_H
#endif
/* Standalone applications get correct prototypes for getopt_long and
getopt_long_only; they declare "char **argv". For backward
compatibility with old applications, if __GETOPT_PREFIX is not
defined, we supply GNU-libc-compatible, but incorrect, prototypes
using "char *const *argv". (GNU libc is stuck with the incorrect
prototypes, as they are baked into older versions of LSB.) */
#ifndef __getopt_argv_const
# if defined __GETOPT_PREFIX
# define __getopt_argv_const /* empty */
# else
# define __getopt_argv_const const
# endif
#endif
#include <getopt-ext.h>
#endif /* _GETOPT_PFX_EXT_H */

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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/* Getopt for GNU.
Copyright (C) 1987-2023 Free Software Foundation, Inc.
This file is part of the GNU C Library and is also part of gnulib.
Patches to this file should be submitted to both projects.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#ifndef _LIBC
# ifdef HAVE_CONFIG_H
# include <config.h>
# endif
#endif
#include "getopt.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifndef _MSC_VER
# include <unistd.h>
#endif
#ifdef _LIBC
/* When used as part of glibc, error printing must be done differently
for standards compliance. getopt is not a cancellation point, so
it must not call functions that are, and it is specified by an
older standard than stdio locking, so it must not refer to
functions in the "user namespace" related to stdio locking.
Finally, it must use glibc's internal message translation so that
the messages are looked up in the proper text domain. */
# include <libintl.h>
# define fprintf __fxprintf_nocancel
# define flockfile(fp) _IO_flockfile (fp)
# define funlockfile(fp) _IO_funlockfile (fp)
#else
/* Completely disable NLS for getopt. We won't include translations for it
anyway. If the system lacks getopt_long, missing translations probably
aren't a problem. */
//# include "gettext.h"
//# define _(msgid) gettext (msgid)
#define _(msgid) (msgid)
/* When used standalone, flockfile and funlockfile might not be
available. */
# if (!defined _POSIX_THREAD_SAFE_FUNCTIONS \
|| (defined _WIN32 && ! defined __CYGWIN__))
# define flockfile(fp) /* nop */
# define funlockfile(fp) /* nop */
# endif
/* When used standalone, do not attempt to use alloca. */
# define __libc_use_alloca(size) 0
# undef alloca
# define alloca(size) (abort (), (void *)0)
#endif
/* This implementation of 'getopt' has three modes for handling
options interspersed with non-option arguments. It can stop
scanning for options at the first non-option argument encountered,
as POSIX specifies. It can continue scanning for options after the
first non-option argument, but permute 'argv' as it goes so that,
after 'getopt' is done, all the options precede all the non-option
arguments and 'optind' points to the first non-option argument.
Or, it can report non-option arguments as if they were arguments to
the option character '\x01'.
The default behavior of 'getopt_long' is to permute the argument list.
When this implementation is used standalone, the default behavior of
'getopt' is to stop at the first non-option argument, but when it is
used as part of GNU libc it also permutes the argument list. In both
cases, setting the environment variable POSIXLY_CORRECT to any value
disables permutation.
If the first character of the OPTSTRING argument to 'getopt' or
'getopt_long' is '+', both functions will stop at the first
non-option argument. If it is '-', both functions will report
non-option arguments as arguments to the option character '\x01'. */
#include "getopt_int.h"
/* For communication from 'getopt' to the caller.
When 'getopt' finds an option that takes an argument,
the argument value is returned here.
Also, when 'ordering' is RETURN_IN_ORDER,
each non-option ARGV-element is returned here. */
char *optarg;
/* Index in ARGV of the next element to be scanned.
This is used for communication to and from the caller
and for communication between successive calls to 'getopt'.
On entry to 'getopt', zero means this is the first call; initialize.
When 'getopt' returns -1, this is the index of the first of the
non-option elements that the caller should itself scan.
Otherwise, 'optind' communicates from one call to the next
how much of ARGV has been scanned so far. */
/* 1003.2 says this must be 1 before any call. */
int optind = 1;
/* Callers store zero here to inhibit the error message
for unrecognized options. */
int opterr = 1;
/* Set to an option character which was unrecognized.
This must be initialized on some systems to avoid linking in the
system's own getopt implementation. */
int optopt = '?';
/* Keep a global copy of all internal members of getopt_data. */
static struct _getopt_data getopt_data;
/* Exchange two adjacent subsequences of ARGV.
One subsequence is elements [first_nonopt,last_nonopt)
which contains all the non-options that have been skipped so far.
The other is elements [last_nonopt,optind), which contains all
the options processed since those non-options were skipped.
'first_nonopt' and 'last_nonopt' are relocated so that they describe
the new indices of the non-options in ARGV after they are moved. */
static void
exchange (char **argv, struct _getopt_data *d)
{
int bottom = d->__first_nonopt;
int middle = d->__last_nonopt;
int top = d->optind;
char *tem;
/* Exchange the shorter segment with the far end of the longer segment.
That puts the shorter segment into the right place.
It leaves the longer segment in the right place overall,
but it consists of two parts that need to be swapped next. */
while (top > middle && middle > bottom)
{
if (top - middle > middle - bottom)
{
/* Bottom segment is the short one. */
int len = middle - bottom;
int i;
/* Swap it with the top part of the top segment. */
for (i = 0; i < len; i++)
{
tem = argv[bottom + i];
argv[bottom + i] = argv[top - (middle - bottom) + i];
argv[top - (middle - bottom) + i] = tem;
}
/* Exclude the moved bottom segment from further swapping. */
top -= len;
}
else
{
/* Top segment is the short one. */
int len = top - middle;
int i;
/* Swap it with the bottom part of the bottom segment. */
for (i = 0; i < len; i++)
{
tem = argv[bottom + i];
argv[bottom + i] = argv[middle + i];
argv[middle + i] = tem;
}
/* Exclude the moved top segment from further swapping. */
bottom += len;
}
}
/* Update records for the slots the non-options now occupy. */
d->__first_nonopt += (d->optind - d->__last_nonopt);
d->__last_nonopt = d->optind;
}
/* Process the argument starting with d->__nextchar as a long option.
d->optind should *not* have been advanced over this argument.
If the value returned is -1, it was not actually a long option, the
state is unchanged, and the argument should be processed as a set
of short options (this can only happen when long_only is true).
Otherwise, the option (and its argument, if any) have been consumed
and the return value is the value to return from _getopt_internal_r. */
static int
process_long_option (int argc, char **argv, const char *optstring,
const struct option *longopts, int *longind,
int long_only, struct _getopt_data *d,
int print_errors, const char *prefix)
{
char *nameend;
size_t namelen;
const struct option *p;
const struct option *pfound = NULL;
int n_options;
int option_index;
for (nameend = d->__nextchar; *nameend && *nameend != '='; nameend++)
/* Do nothing. */ ;
namelen = (size_t)(nameend - d->__nextchar);
/* First look for an exact match, counting the options as a side
effect. */
for (p = longopts, n_options = 0; p->name; p++, n_options++)
if (!strncmp (p->name, d->__nextchar, namelen)
&& namelen == strlen (p->name))
{
/* Exact match found. */
pfound = p;
option_index = n_options;
break;
}
if (pfound == NULL)
{
/* Didn't find an exact match, so look for abbreviations. */
unsigned char *ambig_set = NULL;
int ambig_malloced = 0;
int ambig_fallback = 0;
int indfound = -1;
for (p = longopts, option_index = 0; p->name; p++, option_index++)
if (!strncmp (p->name, d->__nextchar, namelen))
{
if (pfound == NULL)
{
/* First nonexact match found. */
pfound = p;
indfound = option_index;
}
else if (long_only
|| pfound->has_arg != p->has_arg
|| pfound->flag != p->flag
|| pfound->val != p->val)
{
/* Second or later nonexact match found. */
if (!ambig_fallback)
{
if (!print_errors)
/* Don't waste effort tracking the ambig set if
we're not going to print it anyway. */
ambig_fallback = 1;
else if (!ambig_set)
{
if (__libc_use_alloca (n_options))
ambig_set = alloca (n_options);
else if ((ambig_set = malloc ((size_t)n_options)) == NULL)
/* Fall back to simpler error message. */
ambig_fallback = 1;
else
ambig_malloced = 1;
if (ambig_set)
{
memset (ambig_set, 0, (size_t)n_options);
ambig_set[indfound] = 1;
}
}
if (ambig_set)
ambig_set[option_index] = 1;
}
}
}
if (ambig_set || ambig_fallback)
{
if (print_errors)
{
if (ambig_fallback)
fprintf (stderr, _("%s: option '%s%s' is ambiguous\n"),
argv[0], prefix, d->__nextchar);
else
{
flockfile (stderr);
fprintf (stderr,
_("%s: option '%s%s' is ambiguous; possibilities:"),
argv[0], prefix, d->__nextchar);
for (option_index = 0; option_index < n_options; option_index++)
if (ambig_set[option_index])
fprintf (stderr, " '%s%s'",
prefix, longopts[option_index].name);
/* This must use 'fprintf' even though it's only
printing a single character, so that it goes through
__fxprintf_nocancel when compiled as part of glibc. */
fprintf (stderr, "\n");
funlockfile (stderr);
}
}
if (ambig_malloced)
free (ambig_set);
d->__nextchar += strlen (d->__nextchar);
d->optind++;
d->optopt = 0;
return '?';
}
option_index = indfound;
}
if (pfound == NULL)
{
/* Can't find it as a long option. If this is not getopt_long_only,
or the option starts with '--' or is not a valid short option,
then it's an error. */
if (!long_only || argv[d->optind][1] == '-'
|| strchr (optstring, *d->__nextchar) == NULL)
{
if (print_errors)
fprintf (stderr, _("%s: unrecognized option '%s%s'\n"),
argv[0], prefix, d->__nextchar);
d->__nextchar = NULL;
d->optind++;
d->optopt = 0;
return '?';
}
/* Otherwise interpret it as a short option. */
return -1;
}
/* We have found a matching long option. Consume it. */
d->optind++;
d->__nextchar = NULL;
if (*nameend)
{
/* Don't test has_arg with >, because some C compilers don't
allow it to be used on enums. */
if (pfound->has_arg)
d->optarg = nameend + 1;
else
{
if (print_errors)
fprintf (stderr,
_("%s: option '%s%s' doesn't allow an argument\n"),
argv[0], prefix, pfound->name);
d->optopt = pfound->val;
return '?';
}
}
else if (pfound->has_arg == 1)
{
if (d->optind < argc)
d->optarg = argv[d->optind++];
else
{
if (print_errors)
fprintf (stderr,
_("%s: option '%s%s' requires an argument\n"),
argv[0], prefix, pfound->name);
d->optopt = pfound->val;
return optstring[0] == ':' ? ':' : '?';
}
}
if (longind != NULL)
*longind = option_index;
if (pfound->flag)
{
*(pfound->flag) = pfound->val;
return 0;
}
return pfound->val;
}
/* Initialize internal data upon the first call to getopt. */
static const char *
_getopt_initialize (int argc,
char **argv, const char *optstring,
struct _getopt_data *d, int posixly_correct)
{
(void)argc;
(void)argv;
/* Start processing options with ARGV-element 1 (since ARGV-element 0
is the program name); the sequence of previously skipped
non-option ARGV-elements is empty. */
if (d->optind == 0)
d->optind = 1;
d->__first_nonopt = d->__last_nonopt = d->optind;
d->__nextchar = NULL;
/* Determine how to handle the ordering of options and nonoptions. */
if (optstring[0] == '-')
{
d->__ordering = RETURN_IN_ORDER;
++optstring;
}
else if (optstring[0] == '+')
{
d->__ordering = REQUIRE_ORDER;
++optstring;
}
else if (posixly_correct || !!getenv ("POSIXLY_CORRECT"))
d->__ordering = REQUIRE_ORDER;
else
d->__ordering = PERMUTE;
d->__initialized = 1;
return optstring;
}
/* Scan elements of ARGV (whose length is ARGC) for option characters
given in OPTSTRING.
If an element of ARGV starts with '-', and is not exactly "-" or "--",
then it is an option element. The characters of this element
(aside from the initial '-') are option characters. If 'getopt'
is called repeatedly, it returns successively each of the option characters
from each of the option elements.
If 'getopt' finds another option character, it returns that character,
updating 'optind' and 'nextchar' so that the next call to 'getopt' can
resume the scan with the following option character or ARGV-element.
If there are no more option characters, 'getopt' returns -1.
Then 'optind' is the index in ARGV of the first ARGV-element
that is not an option. (The ARGV-elements have been permuted
so that those that are not options now come last.)
OPTSTRING is a string containing the legitimate option characters.
If an option character is seen that is not listed in OPTSTRING,
return '?' after printing an error message. If you set 'opterr' to
zero, the error message is suppressed but we still return '?'.
If a char in OPTSTRING is followed by a colon, that means it wants an arg,
so the following text in the same ARGV-element, or the text of the following
ARGV-element, is returned in 'optarg'. Two colons mean an option that
wants an optional arg; if there is text in the current ARGV-element,
it is returned in 'optarg', otherwise 'optarg' is set to zero.
If OPTSTRING starts with '-' or '+', it requests different methods of
handling the non-option ARGV-elements.
See the comments about RETURN_IN_ORDER and REQUIRE_ORDER, above.
Long-named options begin with '--' instead of '-'.
Their names may be abbreviated as long as the abbreviation is unique
or is an exact match for some defined option. If they have an
argument, it follows the option name in the same ARGV-element, separated
from the option name by a '=', or else the in next ARGV-element.
When 'getopt' finds a long-named option, it returns 0 if that option's
'flag' field is nonzero, the value of the option's 'val' field
if the 'flag' field is zero.
The elements of ARGV aren't really const, because we permute them.
But we pretend they're const in the prototype to be compatible
with other systems.
LONGOPTS is a vector of 'struct option' terminated by an
element containing a name which is zero.
LONGIND returns the index in LONGOPT of the long-named option found.
It is only valid when a long-named option has been found by the most
recent call.
If LONG_ONLY is nonzero, '-' as well as '--' can introduce
long-named options. */
int
_getopt_internal_r (int argc, char **argv, const char *optstring,
const struct option *longopts, int *longind,
int long_only, struct _getopt_data *d, int posixly_correct)
{
int print_errors = d->opterr;
if (argc < 1)
return -1;
d->optarg = NULL;
if (d->optind == 0 || !d->__initialized)
optstring = _getopt_initialize (argc, argv, optstring, d, posixly_correct);
else if (optstring[0] == '-' || optstring[0] == '+')
optstring++;
if (optstring[0] == ':')
print_errors = 0;
/* Test whether ARGV[optind] points to a non-option argument. */
#define NONOPTION_P (argv[d->optind][0] != '-' || argv[d->optind][1] == '\0')
if (d->__nextchar == NULL || *d->__nextchar == '\0')
{
/* Advance to the next ARGV-element. */
/* Give FIRST_NONOPT & LAST_NONOPT rational values if OPTIND has been
moved back by the user (who may also have changed the arguments). */
if (d->__last_nonopt > d->optind)
d->__last_nonopt = d->optind;
if (d->__first_nonopt > d->optind)
d->__first_nonopt = d->optind;
if (d->__ordering == PERMUTE)
{
/* If we have just processed some options following some non-options,
exchange them so that the options come first. */
if (d->__first_nonopt != d->__last_nonopt
&& d->__last_nonopt != d->optind)
exchange (argv, d);
else if (d->__last_nonopt != d->optind)
d->__first_nonopt = d->optind;
/* Skip any additional non-options
and extend the range of non-options previously skipped. */
while (d->optind < argc && NONOPTION_P)
d->optind++;
d->__last_nonopt = d->optind;
}
/* The special ARGV-element '--' means premature end of options.
Skip it like a null option,
then exchange with previous non-options as if it were an option,
then skip everything else like a non-option. */
if (d->optind != argc && !strcmp (argv[d->optind], "--"))
{
d->optind++;
if (d->__first_nonopt != d->__last_nonopt
&& d->__last_nonopt != d->optind)
exchange (argv, d);
else if (d->__first_nonopt == d->__last_nonopt)
d->__first_nonopt = d->optind;
d->__last_nonopt = argc;
d->optind = argc;
}
/* If we have done all the ARGV-elements, stop the scan
and back over any non-options that we skipped and permuted. */
if (d->optind == argc)
{
/* Set the next-arg-index to point at the non-options
that we previously skipped, so the caller will digest them. */
if (d->__first_nonopt != d->__last_nonopt)
d->optind = d->__first_nonopt;
return -1;
}
/* If we have come to a non-option and did not permute it,
either stop the scan or describe it to the caller and pass it by. */
if (NONOPTION_P)
{
if (d->__ordering == REQUIRE_ORDER)
return -1;
d->optarg = argv[d->optind++];
return 1;
}
/* We have found another option-ARGV-element.
Check whether it might be a long option. */
if (longopts)
{
if (argv[d->optind][1] == '-')
{
/* "--foo" is always a long option. The special option
"--" was handled above. */
d->__nextchar = argv[d->optind] + 2;
return process_long_option (argc, argv, optstring, longopts,
longind, long_only, d,
print_errors, "--");
}
/* If long_only and the ARGV-element has the form "-f",
where f is a valid short option, don't consider it an
abbreviated form of a long option that starts with f.
Otherwise there would be no way to give the -f short
option.
On the other hand, if there's a long option "fubar" and
the ARGV-element is "-fu", do consider that an
abbreviation of the long option, just like "--fu", and
not "-f" with arg "u".
This distinction seems to be the most useful approach. */
if (long_only && (argv[d->optind][2]
|| !strchr (optstring, argv[d->optind][1])))
{
int code;
d->__nextchar = argv[d->optind] + 1;
code = process_long_option (argc, argv, optstring, longopts,
longind, long_only, d,
print_errors, "-");
if (code != -1)
return code;
}
}
/* It is not a long option. Skip the initial punctuation. */
d->__nextchar = argv[d->optind] + 1;
}
/* Look at and handle the next short option-character. */
{
char c = *d->__nextchar++;
const char *temp = strchr (optstring, c);
/* Increment 'optind' when we start to process its last character. */
if (*d->__nextchar == '\0')
++d->optind;
if (temp == NULL || c == ':' || c == ';')
{
if (print_errors)
fprintf (stderr, _("%s: invalid option -- '%c'\n"), argv[0], c);
d->optopt = c;
return '?';
}
/* Convenience. Treat POSIX -W foo same as long option --foo */
if (temp[0] == 'W' && temp[1] == ';' && longopts != NULL)
{
/* This is an option that requires an argument. */
if (*d->__nextchar != '\0')
d->optarg = d->__nextchar;
else if (d->optind == argc)
{
if (print_errors)
fprintf (stderr,
_("%s: option requires an argument -- '%c'\n"),
argv[0], c);
d->optopt = c;
if (optstring[0] == ':')
c = ':';
else
c = '?';
return c;
}
else
d->optarg = argv[d->optind];
d->__nextchar = d->optarg;
d->optarg = NULL;
return process_long_option (argc, argv, optstring, longopts, longind,
0 /* long_only */, d, print_errors, "-W ");
}
if (temp[1] == ':')
{
if (temp[2] == ':')
{
/* This is an option that accepts an argument optionally. */
if (*d->__nextchar != '\0')
{
d->optarg = d->__nextchar;
d->optind++;
}
else
d->optarg = NULL;
d->__nextchar = NULL;
}
else
{
/* This is an option that requires an argument. */
if (*d->__nextchar != '\0')
{
d->optarg = d->__nextchar;
/* If we end this ARGV-element by taking the rest as an arg,
we must advance to the next element now. */
d->optind++;
}
else if (d->optind == argc)
{
if (print_errors)
fprintf (stderr,
_("%s: option requires an argument -- '%c'\n"),
argv[0], c);
d->optopt = c;
if (optstring[0] == ':')
c = ':';
else
c = '?';
}
else
/* We already incremented 'optind' once;
increment it again when taking next ARGV-elt as argument. */
d->optarg = argv[d->optind++];
d->__nextchar = NULL;
}
}
return c;
}
}
int
_getopt_internal (int argc, char **argv, const char *optstring,
const struct option *longopts, int *longind, int long_only,
int posixly_correct)
{
int result;
getopt_data.optind = optind;
getopt_data.opterr = opterr;
result = _getopt_internal_r (argc, argv, optstring, longopts,
longind, long_only, &getopt_data,
posixly_correct);
optind = getopt_data.optind;
optarg = getopt_data.optarg;
optopt = getopt_data.optopt;
return result;
}
/* glibc gets a LSB-compliant getopt and a POSIX-complaint __posix_getopt.
Standalone applications just get a POSIX-compliant getopt.
POSIX and LSB both require these functions to take 'char *const *argv'
even though this is incorrect (because of the permutation). */
#define GETOPT_ENTRY(NAME, POSIXLY_CORRECT) \
int \
NAME (int argc, char *const *argv, const char *optstring) \
{ \
return _getopt_internal (argc, (char **)argv, optstring, \
0, 0, 0, POSIXLY_CORRECT); \
}
#ifdef _LIBC
GETOPT_ENTRY(getopt, 0)
GETOPT_ENTRY(__posix_getopt, 1)
#else
GETOPT_ENTRY(getopt, 1)
#endif
#ifdef TEST
/* Compile with -DTEST to make an executable for use in testing
the above definition of 'getopt'. */
int
main (int argc, char **argv)
{
int c;
int digit_optind = 0;
while (1)
{
int this_option_optind = optind ? optind : 1;
c = getopt (argc, argv, "abc:d:0123456789");
if (c == -1)
break;
switch (c)
{
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
if (digit_optind != 0 && digit_optind != this_option_optind)
printf ("digits occur in two different argv-elements.\n");
digit_optind = this_option_optind;
printf ("option %c\n", c);
break;
case 'a':
printf ("option a\n");
break;
case 'b':
printf ("option b\n");
break;
case 'c':
printf ("option c with value '%s'\n", optarg);
break;
case '?':
break;
default:
printf ("?? getopt returned character code 0%o ??\n", c);
}
}
if (optind < argc)
{
printf ("non-option ARGV-elements: ");
while (optind < argc)
printf ("%s ", argv[optind++]);
printf ("\n");
}
exit (0);
}
#endif /* TEST */

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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/* Declarations for getopt.
Copyright (C) 1989-2023 Free Software Foundation, Inc.
This file is part of gnulib.
Unlike most of the getopt implementation, it is NOT shared
with the GNU C Library, which supplies a different version of
this file.
This file is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
This file is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#ifndef _GETOPT_H
#define _GETOPT_H 1
/* Standalone applications should #define __GETOPT_PREFIX to an
identifier that prefixes the external functions and variables
defined in this header. When this happens, include the
headers that might declare getopt so that they will not cause
confusion if included after this file. Then systematically rename
identifiers so that they do not collide with the system functions
and variables. Renaming avoids problems with some compilers and
linkers. */
#if defined __GETOPT_PREFIX
# include <stdlib.h>
# include <stdio.h>
# ifndef _MSC_VER
# include <unistd.h>
# endif
#endif
/* From Gnulib's lib/arg-nonnull.h: */
/* _GL_ARG_NONNULL((n,...,m)) tells the compiler and static analyzer tools
that the values passed as arguments n, ..., m must be non-NULL pointers.
n = 1 stands for the first argument, n = 2 for the second argument etc. */
#ifndef _GL_ARG_NONNULL
# if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3) || defined __clang__
# define _GL_ARG_NONNULL(params) __attribute__ ((__nonnull__ params))
# else
# define _GL_ARG_NONNULL(params)
# endif
#endif
#include <getopt-cdefs.h>
#include <getopt-pfx-core.h>
#include <getopt-pfx-ext.h>
#endif /* _GETOPT_H */

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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/* getopt_long and getopt_long_only entry points for GNU getopt.
Copyright (C) 1987-2023 Free Software Foundation, Inc.
This file is part of the GNU C Library and is also part of gnulib.
Patches to this file should be submitted to both projects.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#ifndef _LIBC
# ifdef HAVE_CONFIG_H
# include <config.h>
# endif
#endif
#include "getopt.h"
#include "getopt_int.h"
int
getopt_long (int argc, char *__getopt_argv_const *argv, const char *options,
const struct option *long_options, int *opt_index)
{
return _getopt_internal (argc, (char **) argv, options, long_options,
opt_index, 0, 0);
}
int
_getopt_long_r (int argc, char **argv, const char *options,
const struct option *long_options, int *opt_index,
struct _getopt_data *d)
{
return _getopt_internal_r (argc, argv, options, long_options, opt_index,
0, d, 0);
}
/* Like getopt_long, but '-' as well as '--' can indicate a long option.
If an option that starts with '-' (not '--') doesn't match a long option,
but does match a short option, it is parsed as a short option
instead. */
int
getopt_long_only (int argc, char *__getopt_argv_const *argv,
const char *options,
const struct option *long_options, int *opt_index)
{
return _getopt_internal (argc, (char **) argv, options, long_options,
opt_index, 1, 0);
}
int
_getopt_long_only_r (int argc, char **argv, const char *options,
const struct option *long_options, int *opt_index,
struct _getopt_data *d)
{
return _getopt_internal_r (argc, argv, options, long_options, opt_index,
1, d, 0);
}
#ifdef TEST
#include <stdio.h>
#include <stdlib.h>
int
main (int argc, char **argv)
{
int c;
int digit_optind = 0;
while (1)
{
int this_option_optind = optind ? optind : 1;
int option_index = 0;
static const struct option long_options[] =
{
{"add", 1, 0, 0},
{"append", 0, 0, 0},
{"delete", 1, 0, 0},
{"verbose", 0, 0, 0},
{"create", 0, 0, 0},
{"file", 1, 0, 0},
{0, 0, 0, 0}
};
c = getopt_long (argc, argv, "abc:d:0123456789",
long_options, &option_index);
if (c == -1)
break;
switch (c)
{
case 0:
printf ("option %s", long_options[option_index].name);
if (optarg)
printf (" with arg %s", optarg);
printf ("\n");
break;
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
if (digit_optind != 0 && digit_optind != this_option_optind)
printf ("digits occur in two different argv-elements.\n");
digit_optind = this_option_optind;
printf ("option %c\n", c);
break;
case 'a':
printf ("option a\n");
break;
case 'b':
printf ("option b\n");
break;
case 'c':
printf ("option c with value '%s'\n", optarg);
break;
case 'd':
printf ("option d with value '%s'\n", optarg);
break;
case '?':
break;
default:
printf ("?? getopt returned character code 0%o ??\n", c);
}
}
if (optind < argc)
{
printf ("non-option ARGV-elements: ");
while (optind < argc)
printf ("%s ", argv[optind++]);
printf ("\n");
}
exit (0);
}
#endif /* TEST */

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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/* Internal declarations for getopt.
Copyright (C) 1989-2023 Free Software Foundation, Inc.
This file is part of the GNU C Library and is also part of gnulib.
Patches to this file should be submitted to both projects.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#ifndef _GETOPT_INT_H
#define _GETOPT_INT_H 1
#include <getopt.h>
extern int _getopt_internal (int ___argc, char **___argv,
const char *__shortopts,
const struct option *__longopts, int *__longind,
int __long_only, int __posixly_correct);
/* Reentrant versions which can handle parsing multiple argument
vectors at the same time. */
/* Describe how to deal with options that follow non-option ARGV-elements.
REQUIRE_ORDER means don't recognize them as options; stop option
processing when the first non-option is seen. This is what POSIX
specifies should happen.
PERMUTE means permute the contents of ARGV as we scan, so that
eventually all the non-options are at the end. This allows options
to be given in any order, even with programs that were not written
to expect this.
RETURN_IN_ORDER is an option available to programs that were
written to expect options and other ARGV-elements in any order
and that care about the ordering of the two. We describe each
non-option ARGV-element as if it were the argument of an option
with character code 1.
The special argument '--' forces an end of option-scanning regardless
of the value of 'ordering'. In the case of RETURN_IN_ORDER, only
'--' can cause 'getopt' to return -1 with 'optind' != ARGC. */
enum __ord
{
REQUIRE_ORDER, PERMUTE, RETURN_IN_ORDER
};
/* Data type for reentrant functions. */
struct _getopt_data
{
/* These have exactly the same meaning as the corresponding global
variables, except that they are used for the reentrant
versions of getopt. */
int optind;
int opterr;
int optopt;
char *optarg;
/* Internal members. */
/* True if the internal members have been initialized. */
int __initialized;
/* The next char to be scanned in the option-element
in which the last option character we returned was found.
This allows us to pick up the scan where we left off.
If this is zero, or a null string, it means resume the scan
by advancing to the next ARGV-element. */
char *__nextchar;
/* See __ord above. */
enum __ord __ordering;
/* Handle permutation of arguments. */
/* Describe the part of ARGV that contains non-options that have
been skipped. 'first_nonopt' is the index in ARGV of the first
of them; 'last_nonopt' is the index after the last of them. */
int __first_nonopt;
int __last_nonopt;
};
/* The initializer is necessary to set OPTIND and OPTERR to their
default values and to clear the initialization flag. */
#define _GETOPT_DATA_INITIALIZER { 1, 1 }
extern int _getopt_internal_r (int ___argc, char **___argv,
const char *__shortopts,
const struct option *__longopts, int *__longind,
int __long_only, struct _getopt_data *__data,
int __posixly_correct);
extern int _getopt_long_r (int ___argc, char **___argv,
const char *__shortopts,
const struct option *__longopts, int *__longind,
struct _getopt_data *__data);
extern int _getopt_long_only_r (int ___argc, char **___argv,
const char *__shortopts,
const struct option *__longopts,
int *__longind,
struct _getopt_data *__data);
#endif /* getopt_int.h */

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dnl SPDX-License-Identifier: GPL-3.0-or-later WITH Autoconf-exception-macro
# ===========================================================================
# https://www.gnu.org/software/autoconf-archive/ax_pthread.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_PTHREAD([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]])
#
# DESCRIPTION
#
# This macro figures out how to build C programs using POSIX threads. It
# sets the PTHREAD_LIBS output variable to the threads library and linker
# flags, and the PTHREAD_CFLAGS output variable to any special C compiler
# flags that are needed. (The user can also force certain compiler
# flags/libs to be tested by setting these environment variables.)
#
# Also sets PTHREAD_CC and PTHREAD_CXX to any special C compiler that is
# needed for multi-threaded programs (defaults to the value of CC
# respectively CXX otherwise). (This is necessary on e.g. AIX to use the
# special cc_r/CC_r compiler alias.)
#
# NOTE: You are assumed to not only compile your program with these flags,
# but also to link with them as well. For example, you might link with
# $PTHREAD_CC $CFLAGS $PTHREAD_CFLAGS $LDFLAGS ... $PTHREAD_LIBS $LIBS
# $PTHREAD_CXX $CXXFLAGS $PTHREAD_CFLAGS $LDFLAGS ... $PTHREAD_LIBS $LIBS
#
# If you are only building threaded programs, you may wish to use these
# variables in your default LIBS, CFLAGS, and CC:
#
# LIBS="$PTHREAD_LIBS $LIBS"
# CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
# CXXFLAGS="$CXXFLAGS $PTHREAD_CFLAGS"
# CC="$PTHREAD_CC"
# CXX="$PTHREAD_CXX"
#
# In addition, if the PTHREAD_CREATE_JOINABLE thread-attribute constant
# has a nonstandard name, this macro defines PTHREAD_CREATE_JOINABLE to
# that name (e.g. PTHREAD_CREATE_UNDETACHED on AIX).
#
# Also HAVE_PTHREAD_PRIO_INHERIT is defined if pthread is found and the
# PTHREAD_PRIO_INHERIT symbol is defined when compiling with
# PTHREAD_CFLAGS.
#
# ACTION-IF-FOUND is a list of shell commands to run if a threads library
# is found, and ACTION-IF-NOT-FOUND is a list of commands to run it if it
# is not found. If ACTION-IF-FOUND is not specified, the default action
# will define HAVE_PTHREAD.
#
# Please let the authors know if this macro fails on any platform, or if
# you have any other suggestions or comments. This macro was based on work
# by SGJ on autoconf scripts for FFTW (http://www.fftw.org/) (with help
# from M. Frigo), as well as ac_pthread and hb_pthread macros posted by
# Alejandro Forero Cuervo to the autoconf macro repository. We are also
# grateful for the helpful feedback of numerous users.
#
# Updated for Autoconf 2.68 by Daniel Richard G.
#
# LICENSE
#
# Copyright (c) 2008 Steven G. Johnson <stevenj@alum.mit.edu>
# Copyright (c) 2011 Daniel Richard G. <skunk@iSKUNK.ORG>
# Copyright (c) 2019 Marc Stevens <marc.stevens@cwi.nl>
#
# This program is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation, either version 3 of the License, or (at your
# option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
# Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program. If not, see <https://www.gnu.org/licenses/>.
#
# As a special exception, the respective Autoconf Macro's copyright owner
# gives unlimited permission to copy, distribute and modify the configure
# scripts that are the output of Autoconf when processing the Macro. You
# need not follow the terms of the GNU General Public License when using
# or distributing such scripts, even though portions of the text of the
# Macro appear in them. The GNU General Public License (GPL) does govern
# all other use of the material that constitutes the Autoconf Macro.
#
# This special exception to the GPL applies to versions of the Autoconf
# Macro released by the Autoconf Archive. When you make and distribute a
# modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well.
#serial 31
AU_ALIAS([ACX_PTHREAD], [AX_PTHREAD])
AC_DEFUN([AX_PTHREAD], [
AC_REQUIRE([AC_CANONICAL_HOST])
AC_REQUIRE([AC_PROG_CC])
AC_REQUIRE([AC_PROG_SED])
AC_LANG_PUSH([C])
ax_pthread_ok=no
# We used to check for pthread.h first, but this fails if pthread.h
# requires special compiler flags (e.g. on Tru64 or Sequent).
# It gets checked for in the link test anyway.
# First of all, check if the user has set any of the PTHREAD_LIBS,
# etcetera environment variables, and if threads linking works using
# them:
if test "x$PTHREAD_CFLAGS$PTHREAD_LIBS" != "x"; then
ax_pthread_save_CC="$CC"
ax_pthread_save_CFLAGS="$CFLAGS"
ax_pthread_save_LIBS="$LIBS"
AS_IF([test "x$PTHREAD_CC" != "x"], [CC="$PTHREAD_CC"])
AS_IF([test "x$PTHREAD_CXX" != "x"], [CXX="$PTHREAD_CXX"])
CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
LIBS="$PTHREAD_LIBS $LIBS"
AC_MSG_CHECKING([for pthread_join using $CC $PTHREAD_CFLAGS $PTHREAD_LIBS])
AC_LINK_IFELSE([AC_LANG_CALL([], [pthread_join])], [ax_pthread_ok=yes])
AC_MSG_RESULT([$ax_pthread_ok])
if test "x$ax_pthread_ok" = "xno"; then
PTHREAD_LIBS=""
PTHREAD_CFLAGS=""
fi
CC="$ax_pthread_save_CC"
CFLAGS="$ax_pthread_save_CFLAGS"
LIBS="$ax_pthread_save_LIBS"
fi
# We must check for the threads library under a number of different
# names; the ordering is very important because some systems
# (e.g. DEC) have both -lpthread and -lpthreads, where one of the
# libraries is broken (non-POSIX).
# Create a list of thread flags to try. Items with a "," contain both
# C compiler flags (before ",") and linker flags (after ","). Other items
# starting with a "-" are C compiler flags, and remaining items are
# library names, except for "none" which indicates that we try without
# any flags at all, and "pthread-config" which is a program returning
# the flags for the Pth emulation library.
ax_pthread_flags="pthreads none -Kthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config"
# The ordering *is* (sometimes) important. Some notes on the
# individual items follow:
# pthreads: AIX (must check this before -lpthread)
# none: in case threads are in libc; should be tried before -Kthread and
# other compiler flags to prevent continual compiler warnings
# -Kthread: Sequent (threads in libc, but -Kthread needed for pthread.h)
# -pthread: Linux/gcc (kernel threads), BSD/gcc (userland threads), Tru64
# (Note: HP C rejects this with "bad form for `-t' option")
# -pthreads: Solaris/gcc (Note: HP C also rejects)
# -mt: Sun Workshop C (may only link SunOS threads [-lthread], but it
# doesn't hurt to check since this sometimes defines pthreads and
# -D_REENTRANT too), HP C (must be checked before -lpthread, which
# is present but should not be used directly; and before -mthreads,
# because the compiler interprets this as "-mt" + "-hreads")
# -mthreads: Mingw32/gcc, Lynx/gcc
# pthread: Linux, etcetera
# --thread-safe: KAI C++
# pthread-config: use pthread-config program (for GNU Pth library)
case $host_os in
freebsd*)
# -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able)
# lthread: LinuxThreads port on FreeBSD (also preferred to -pthread)
ax_pthread_flags="-kthread lthread $ax_pthread_flags"
;;
hpux*)
# From the cc(1) man page: "[-mt] Sets various -D flags to enable
# multi-threading and also sets -lpthread."
ax_pthread_flags="-mt -pthread pthread $ax_pthread_flags"
;;
openedition*)
# IBM z/OS requires a feature-test macro to be defined in order to
# enable POSIX threads at all, so give the user a hint if this is
# not set. (We don't define these ourselves, as they can affect
# other portions of the system API in unpredictable ways.)
AC_EGREP_CPP([AX_PTHREAD_ZOS_MISSING],
[
# if !defined(_OPEN_THREADS) && !defined(_UNIX03_THREADS)
AX_PTHREAD_ZOS_MISSING
# endif
],
[AC_MSG_WARN([IBM z/OS requires -D_OPEN_THREADS or -D_UNIX03_THREADS to enable pthreads support.])])
;;
solaris*)
# On Solaris (at least, for some versions), libc contains stubbed
# (non-functional) versions of the pthreads routines, so link-based
# tests will erroneously succeed. (N.B.: The stubs are missing
# pthread_cleanup_push, or rather a function called by this macro,
# so we could check for that, but who knows whether they'll stub
# that too in a future libc.) So we'll check first for the
# standard Solaris way of linking pthreads (-mt -lpthread).
ax_pthread_flags="-mt,-lpthread pthread $ax_pthread_flags"
;;
esac
# Are we compiling with Clang?
AC_CACHE_CHECK([whether $CC is Clang],
[ax_cv_PTHREAD_CLANG],
[ax_cv_PTHREAD_CLANG=no
# Note that Autoconf sets GCC=yes for Clang as well as GCC
if test "x$GCC" = "xyes"; then
AC_EGREP_CPP([AX_PTHREAD_CC_IS_CLANG],
[/* Note: Clang 2.7 lacks __clang_[a-z]+__ */
# if defined(__clang__) && defined(__llvm__)
AX_PTHREAD_CC_IS_CLANG
# endif
],
[ax_cv_PTHREAD_CLANG=yes])
fi
])
ax_pthread_clang="$ax_cv_PTHREAD_CLANG"
# GCC generally uses -pthread, or -pthreads on some platforms (e.g. SPARC)
# Note that for GCC and Clang -pthread generally implies -lpthread,
# except when -nostdlib is passed.
# This is problematic using libtool to build C++ shared libraries with pthread:
# [1] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=25460
# [2] https://bugzilla.redhat.com/show_bug.cgi?id=661333
# [3] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=468555
# To solve this, first try -pthread together with -lpthread for GCC
AS_IF([test "x$GCC" = "xyes"],
[ax_pthread_flags="-pthread,-lpthread -pthread -pthreads $ax_pthread_flags"])
# Clang takes -pthread (never supported any other flag), but we'll try with -lpthread first
AS_IF([test "x$ax_pthread_clang" = "xyes"],
[ax_pthread_flags="-pthread,-lpthread -pthread"])
# The presence of a feature test macro requesting re-entrant function
# definitions is, on some systems, a strong hint that pthreads support is
# correctly enabled
case $host_os in
darwin* | hpux* | linux* | osf* | solaris*)
ax_pthread_check_macro="_REENTRANT"
;;
aix*)
ax_pthread_check_macro="_THREAD_SAFE"
;;
*)
ax_pthread_check_macro="--"
;;
esac
AS_IF([test "x$ax_pthread_check_macro" = "x--"],
[ax_pthread_check_cond=0],
[ax_pthread_check_cond="!defined($ax_pthread_check_macro)"])
if test "x$ax_pthread_ok" = "xno"; then
for ax_pthread_try_flag in $ax_pthread_flags; do
case $ax_pthread_try_flag in
none)
AC_MSG_CHECKING([whether pthreads work without any flags])
;;
*,*)
PTHREAD_CFLAGS=`echo $ax_pthread_try_flag | sed "s/^\(.*\),\(.*\)$/\1/"`
PTHREAD_LIBS=`echo $ax_pthread_try_flag | sed "s/^\(.*\),\(.*\)$/\2/"`
AC_MSG_CHECKING([whether pthreads work with "$PTHREAD_CFLAGS" and "$PTHREAD_LIBS"])
;;
-*)
AC_MSG_CHECKING([whether pthreads work with $ax_pthread_try_flag])
PTHREAD_CFLAGS="$ax_pthread_try_flag"
;;
pthread-config)
AC_CHECK_PROG([ax_pthread_config], [pthread-config], [yes], [no])
AS_IF([test "x$ax_pthread_config" = "xno"], [continue])
PTHREAD_CFLAGS="`pthread-config --cflags`"
PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`"
;;
*)
AC_MSG_CHECKING([for the pthreads library -l$ax_pthread_try_flag])
PTHREAD_LIBS="-l$ax_pthread_try_flag"
;;
esac
ax_pthread_save_CFLAGS="$CFLAGS"
ax_pthread_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
LIBS="$PTHREAD_LIBS $LIBS"
# Check for various functions. We must include pthread.h,
# since some functions may be macros. (On the Sequent, we
# need a special flag -Kthread to make this header compile.)
# We check for pthread_join because it is in -lpthread on IRIX
# while pthread_create is in libc. We check for pthread_attr_init
# due to DEC craziness with -lpthreads. We check for
# pthread_cleanup_push because it is one of the few pthread
# functions on Solaris that doesn't have a non-functional libc stub.
# We try pthread_create on general principles.
AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <pthread.h>
# if $ax_pthread_check_cond
# error "$ax_pthread_check_macro must be defined"
# endif
static void *some_global = NULL;
static void routine(void *a)
{
/* To avoid any unused-parameter or
unused-but-set-parameter warning. */
some_global = a;
}
static void *start_routine(void *a) { return a; }],
[pthread_t th; pthread_attr_t attr;
pthread_create(&th, 0, start_routine, 0);
pthread_join(th, 0);
pthread_attr_init(&attr);
pthread_cleanup_push(routine, 0);
pthread_cleanup_pop(0) /* ; */])],
[ax_pthread_ok=yes],
[])
CFLAGS="$ax_pthread_save_CFLAGS"
LIBS="$ax_pthread_save_LIBS"
AC_MSG_RESULT([$ax_pthread_ok])
AS_IF([test "x$ax_pthread_ok" = "xyes"], [break])
PTHREAD_LIBS=""
PTHREAD_CFLAGS=""
done
fi
# Clang needs special handling, because older versions handle the -pthread
# option in a rather... idiosyncratic way
if test "x$ax_pthread_clang" = "xyes"; then
# Clang takes -pthread; it has never supported any other flag
# (Note 1: This will need to be revisited if a system that Clang
# supports has POSIX threads in a separate library. This tends not
# to be the way of modern systems, but it's conceivable.)
# (Note 2: On some systems, notably Darwin, -pthread is not needed
# to get POSIX threads support; the API is always present and
# active. We could reasonably leave PTHREAD_CFLAGS empty. But
# -pthread does define _REENTRANT, and while the Darwin headers
# ignore this macro, third-party headers might not.)
# However, older versions of Clang make a point of warning the user
# that, in an invocation where only linking and no compilation is
# taking place, the -pthread option has no effect ("argument unused
# during compilation"). They expect -pthread to be passed in only
# when source code is being compiled.
#
# Problem is, this is at odds with the way Automake and most other
# C build frameworks function, which is that the same flags used in
# compilation (CFLAGS) are also used in linking. Many systems
# supported by AX_PTHREAD require exactly this for POSIX threads
# support, and in fact it is often not straightforward to specify a
# flag that is used only in the compilation phase and not in
# linking. Such a scenario is extremely rare in practice.
#
# Even though use of the -pthread flag in linking would only print
# a warning, this can be a nuisance for well-run software projects
# that build with -Werror. So if the active version of Clang has
# this misfeature, we search for an option to squash it.
AC_CACHE_CHECK([whether Clang needs flag to prevent "argument unused" warning when linking with -pthread],
[ax_cv_PTHREAD_CLANG_NO_WARN_FLAG],
[ax_cv_PTHREAD_CLANG_NO_WARN_FLAG=unknown
# Create an alternate version of $ac_link that compiles and
# links in two steps (.c -> .o, .o -> exe) instead of one
# (.c -> exe), because the warning occurs only in the second
# step
ax_pthread_save_ac_link="$ac_link"
ax_pthread_sed='s/conftest\.\$ac_ext/conftest.$ac_objext/g'
ax_pthread_link_step=`AS_ECHO(["$ac_link"]) | sed "$ax_pthread_sed"`
ax_pthread_2step_ac_link="($ac_compile) && (echo ==== >&5) && ($ax_pthread_link_step)"
ax_pthread_save_CFLAGS="$CFLAGS"
for ax_pthread_try in '' -Qunused-arguments -Wno-unused-command-line-argument unknown; do
AS_IF([test "x$ax_pthread_try" = "xunknown"], [break])
CFLAGS="-Werror -Wunknown-warning-option $ax_pthread_try -pthread $ax_pthread_save_CFLAGS"
ac_link="$ax_pthread_save_ac_link"
AC_LINK_IFELSE([AC_LANG_SOURCE([[int main(void){return 0;}]])],
[ac_link="$ax_pthread_2step_ac_link"
AC_LINK_IFELSE([AC_LANG_SOURCE([[int main(void){return 0;}]])],
[break])
])
done
ac_link="$ax_pthread_save_ac_link"
CFLAGS="$ax_pthread_save_CFLAGS"
AS_IF([test "x$ax_pthread_try" = "x"], [ax_pthread_try=no])
ax_cv_PTHREAD_CLANG_NO_WARN_FLAG="$ax_pthread_try"
])
case "$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG" in
no | unknown) ;;
*) PTHREAD_CFLAGS="$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG $PTHREAD_CFLAGS" ;;
esac
fi # $ax_pthread_clang = yes
# Various other checks:
if test "x$ax_pthread_ok" = "xyes"; then
ax_pthread_save_CFLAGS="$CFLAGS"
ax_pthread_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
LIBS="$PTHREAD_LIBS $LIBS"
# Detect AIX lossage: JOINABLE attribute is called UNDETACHED.
AC_CACHE_CHECK([for joinable pthread attribute],
[ax_cv_PTHREAD_JOINABLE_ATTR],
[ax_cv_PTHREAD_JOINABLE_ATTR=unknown
for ax_pthread_attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do
AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <pthread.h>],
[int attr = $ax_pthread_attr; return attr /* ; */])],
[ax_cv_PTHREAD_JOINABLE_ATTR=$ax_pthread_attr; break],
[])
done
])
AS_IF([test "x$ax_cv_PTHREAD_JOINABLE_ATTR" != "xunknown" && \
test "x$ax_cv_PTHREAD_JOINABLE_ATTR" != "xPTHREAD_CREATE_JOINABLE" && \
test "x$ax_pthread_joinable_attr_defined" != "xyes"],
[AC_DEFINE_UNQUOTED([PTHREAD_CREATE_JOINABLE],
[$ax_cv_PTHREAD_JOINABLE_ATTR],
[Define to necessary symbol if this constant
uses a non-standard name on your system.])
ax_pthread_joinable_attr_defined=yes
])
AC_CACHE_CHECK([whether more special flags are required for pthreads],
[ax_cv_PTHREAD_SPECIAL_FLAGS],
[ax_cv_PTHREAD_SPECIAL_FLAGS=no
case $host_os in
solaris*)
ax_cv_PTHREAD_SPECIAL_FLAGS="-D_POSIX_PTHREAD_SEMANTICS"
;;
esac
])
AS_IF([test "x$ax_cv_PTHREAD_SPECIAL_FLAGS" != "xno" && \
test "x$ax_pthread_special_flags_added" != "xyes"],
[PTHREAD_CFLAGS="$ax_cv_PTHREAD_SPECIAL_FLAGS $PTHREAD_CFLAGS"
ax_pthread_special_flags_added=yes])
AC_CACHE_CHECK([for PTHREAD_PRIO_INHERIT],
[ax_cv_PTHREAD_PRIO_INHERIT],
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <pthread.h>]],
[[int i = PTHREAD_PRIO_INHERIT;
return i;]])],
[ax_cv_PTHREAD_PRIO_INHERIT=yes],
[ax_cv_PTHREAD_PRIO_INHERIT=no])
])
AS_IF([test "x$ax_cv_PTHREAD_PRIO_INHERIT" = "xyes" && \
test "x$ax_pthread_prio_inherit_defined" != "xyes"],
[AC_DEFINE([HAVE_PTHREAD_PRIO_INHERIT], [1], [Have PTHREAD_PRIO_INHERIT.])
ax_pthread_prio_inherit_defined=yes
])
CFLAGS="$ax_pthread_save_CFLAGS"
LIBS="$ax_pthread_save_LIBS"
# More AIX lossage: compile with *_r variant
if test "x$GCC" != "xyes"; then
case $host_os in
aix*)
AS_CASE(["x/$CC"],
[x*/c89|x*/c89_128|x*/c99|x*/c99_128|x*/cc|x*/cc128|x*/xlc|x*/xlc_v6|x*/xlc128|x*/xlc128_v6],
[#handle absolute path differently from PATH based program lookup
AS_CASE(["x$CC"],
[x/*],
[
AS_IF([AS_EXECUTABLE_P([${CC}_r])],[PTHREAD_CC="${CC}_r"])
AS_IF([test "x${CXX}" != "x"], [AS_IF([AS_EXECUTABLE_P([${CXX}_r])],[PTHREAD_CXX="${CXX}_r"])])
],
[
AC_CHECK_PROGS([PTHREAD_CC],[${CC}_r],[$CC])
AS_IF([test "x${CXX}" != "x"], [AC_CHECK_PROGS([PTHREAD_CXX],[${CXX}_r],[$CXX])])
]
)
])
;;
esac
fi
fi
test -n "$PTHREAD_CC" || PTHREAD_CC="$CC"
test -n "$PTHREAD_CXX" || PTHREAD_CXX="$CXX"
AC_SUBST([PTHREAD_LIBS])
AC_SUBST([PTHREAD_CFLAGS])
AC_SUBST([PTHREAD_CC])
AC_SUBST([PTHREAD_CXX])
# Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND:
if test "x$ax_pthread_ok" = "xyes"; then
ifelse([$1],,[AC_DEFINE([HAVE_PTHREAD],[1],[Define if you have POSIX threads libraries and header files.])],[$1])
:
else
ax_pthread_ok=no
$2
fi
AC_LANG_POP
])dnl AX_PTHREAD

72
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dnl SPDX-License-Identifier: FSFULLR
# getopt.m4 serial 49 (modified version)
dnl Copyright (C) 2002-2006, 2008-2023 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
# This version has been modified to reduce complexity since we only need
# GNU getopt_long and do not care about replacing getopt.
# Check for a POSIX compliant getopt function with GNU extensions (such as
# options with optional arguments) and the functions getopt_long,
# getopt_long_only.
AC_DEFUN([gl_FUNC_GETOPT_GNU],
[
AC_REQUIRE([gl_GETOPT_CHECK_HEADERS])
if test -n "$gl_replace_getopt"; then
gl_GETOPT_SUBSTITUTE
fi
])
AC_DEFUN([gl_GETOPT_CHECK_HEADERS],
[
gl_replace_getopt=
if test -z "$gl_replace_getopt"; then
AC_CHECK_HEADERS([getopt.h], [], [gl_replace_getopt=yes])
fi
if test -z "$gl_replace_getopt"; then
AC_CHECK_FUNCS([getopt_long], [], [gl_replace_getopt=yes])
fi
dnl BSD getopt_long uses a way to reset option processing, that is different
dnl from GNU and Solaris (which copied the GNU behavior). We support both
dnl GNU and BSD style resetting of getopt_long(), so there's no need to use
dnl GNU getopt_long() on BSD due to different resetting style.
if test -z "$gl_replace_getopt"; then
AC_CHECK_DECL([optreset],
[AC_DEFINE([HAVE_OPTRESET], 1,
[Define to 1 if getopt.h declares extern int optreset.])],
[], [#include <getopt.h>])
fi
dnl POSIX 2008 does not specify leading '+' behavior, but see
dnl http://austingroupbugs.net/view.php?id=191 for a recommendation on
dnl the next version of POSIX. We don't use that feature, so this
dnl is not a problem for us. Thus, the respective test was removed here.
dnl Checks for getopt handling '-' as a leading character in an option
dnl string were removed, since we also don't use that feature.
])
AC_DEFUN([gl_GETOPT_SUBSTITUTE],
[
AC_LIBOBJ([getopt])
AC_LIBOBJ([getopt1])
AC_CHECK_HEADERS_ONCE([sys/cdefs.h])
AC_DEFINE([__GETOPT_PREFIX], [[rpl_]],
[Define to rpl_ if the getopt replacement functions and variables
should be used.])
GETOPT_H=getopt.h
AC_SUBST([GETOPT_H])
])
AC_DEFUN([gl_GETOPT], [gl_FUNC_GETOPT_GNU])

405
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# gettext.m4 serial 78 (gettext-0.22.4)
dnl Copyright (C) 1995-2014, 2016, 2018-2023 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl
dnl This file can be used in projects which are not available under
dnl the GNU General Public License or the GNU Lesser General Public
dnl License but which still want to provide support for the GNU gettext
dnl functionality.
dnl Please note that the actual code of the GNU gettext library is covered
dnl by the GNU Lesser General Public License, and the rest of the GNU
dnl gettext package is covered by the GNU General Public License.
dnl They are *not* in the public domain.
dnl Authors:
dnl Ulrich Drepper <drepper@cygnus.com>, 1995-2000.
dnl Bruno Haible <haible@clisp.cons.org>, 2000-2006, 2008-2010.
dnl Macro to add for using GNU gettext.
dnl Usage: AM_GNU_GETTEXT([INTLSYMBOL], [NEEDSYMBOL], [INTLDIR]).
dnl INTLSYMBOL must be one of 'external', 'use-libtool', 'here'.
dnl INTLSYMBOL should be 'external' for packages other than GNU gettext.
dnl It should be 'use-libtool' for the packages 'gettext-runtime' and
dnl 'gettext-tools'.
dnl It should be 'here' for the package 'gettext-runtime/intl'.
dnl If INTLSYMBOL is 'here', then a libtool library
dnl $(top_builddir)/libintl.la will be created (shared and/or static,
dnl depending on --{enable,disable}-{shared,static} and on the presence of
dnl AM-DISABLE-SHARED).
dnl If NEEDSYMBOL is specified and is 'need-ngettext', then GNU gettext
dnl implementations (in libc or libintl) without the ngettext() function
dnl will be ignored. If NEEDSYMBOL is specified and is
dnl 'need-formatstring-macros', then GNU gettext implementations that don't
dnl support the ISO C 99 <inttypes.h> formatstring macros will be ignored.
dnl INTLDIR is used to find the intl libraries. If empty,
dnl the value '$(top_builddir)/intl/' is used.
dnl
dnl The result of the configuration is one of three cases:
dnl 1) GNU gettext, as included in the intl subdirectory, will be compiled
dnl and used.
dnl Catalog format: GNU --> install in $(datadir)
dnl Catalog extension: .mo after installation, .gmo in source tree
dnl 2) GNU gettext has been found in the system's C library.
dnl Catalog format: GNU --> install in $(datadir)
dnl Catalog extension: .mo after installation, .gmo in source tree
dnl 3) No internationalization, always use English msgid.
dnl Catalog format: none
dnl Catalog extension: none
dnl If INTLSYMBOL is 'external', only cases 2 and 3 can occur.
dnl The use of .gmo is historical (it was needed to avoid overwriting the
dnl GNU format catalogs when building on a platform with an X/Open gettext),
dnl but we keep it in order not to force irrelevant filename changes on the
dnl maintainers.
dnl
AC_DEFUN([AM_GNU_GETTEXT],
[
dnl Argument checking.
m4_if([$1], [], , [m4_if([$1], [external], , [m4_if([$1], [use-libtool], , [m4_if([$1], [here], ,
[errprint([ERROR: invalid first argument to AM_GNU_GETTEXT
])])])])])
m4_if(m4_if([$1], [], [old])[]m4_if([$1], [no-libtool], [old]), [old],
[errprint([ERROR: Use of AM_GNU_GETTEXT without [external] argument is no longer supported.
])])
m4_if([$2], [], , [m4_if([$2], [need-ngettext], , [m4_if([$2], [need-formatstring-macros], ,
[errprint([ERROR: invalid second argument to AM_GNU_GETTEXT
])])])])
define([gt_building_libintl_in_same_build_tree],
m4_if([$1], [use-libtool], [yes], [m4_if([$1], [here], [yes], [no])]))
gt_NEEDS_INIT
AM_GNU_GETTEXT_NEED([$2])
AC_REQUIRE([AM_PO_SUBDIRS])dnl
dnl Prerequisites of AC_LIB_LINKFLAGS_BODY.
AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
AC_REQUIRE([AC_LIB_RPATH])
dnl Sometimes libintl requires libiconv, so first search for libiconv.
dnl Ideally we would do this search only after the
dnl if test "$USE_NLS" = "yes"; then
dnl if { eval "gt_val=\$$gt_func_gnugettext_libc"; test "$gt_val" != "yes"; }; then
dnl tests. But if configure.ac invokes AM_ICONV after AM_GNU_GETTEXT
dnl the configure script would need to contain the same shell code
dnl again, outside any 'if'. There are two solutions:
dnl - Invoke AM_ICONV_LINKFLAGS_BODY here, outside any 'if'.
dnl - Control the expansions in more detail using AC_PROVIDE_IFELSE.
dnl Since AC_PROVIDE_IFELSE is not documented, we avoid it.
m4_if(gt_building_libintl_in_same_build_tree, yes, , [
AC_REQUIRE([AM_ICONV_LINKFLAGS_BODY])
])
dnl Sometimes, on Mac OS X, libintl requires linking with CoreFoundation.
gt_INTL_MACOSX
dnl Set USE_NLS.
AC_REQUIRE([AM_NLS])
m4_if(gt_building_libintl_in_same_build_tree, yes, [
USE_INCLUDED_LIBINTL=no
])
LIBINTL=
LTLIBINTL=
POSUB=
dnl Add a version number to the cache macros.
case " $gt_needs " in
*" need-formatstring-macros "*) gt_api_version=3 ;;
*" need-ngettext "*) gt_api_version=2 ;;
*) gt_api_version=1 ;;
esac
gt_func_gnugettext_libc="gt_cv_func_gnugettext${gt_api_version}_libc"
gt_func_gnugettext_libintl="gt_cv_func_gnugettext${gt_api_version}_libintl"
dnl If we use NLS figure out what method
if test "$USE_NLS" = "yes"; then
gt_use_preinstalled_gnugettext=no
m4_if(gt_building_libintl_in_same_build_tree, yes, [
AC_MSG_CHECKING([whether included gettext is requested])
AC_ARG_WITH([included-gettext],
[ --with-included-gettext use the GNU gettext library included here],
nls_cv_force_use_gnu_gettext=$withval,
nls_cv_force_use_gnu_gettext=no)
AC_MSG_RESULT([$nls_cv_force_use_gnu_gettext])
nls_cv_use_gnu_gettext="$nls_cv_force_use_gnu_gettext"
if test "$nls_cv_force_use_gnu_gettext" != "yes"; then
])
dnl User does not insist on using GNU NLS library. Figure out what
dnl to use. If GNU gettext is available we use this. Else we have
dnl to fall back to GNU NLS library.
if test $gt_api_version -ge 3; then
gt_revision_test_code='
#ifndef __GNU_GETTEXT_SUPPORTED_REVISION
#define __GNU_GETTEXT_SUPPORTED_REVISION(major) ((major) == 0 ? 0 : -1)
#endif
changequote(,)dnl
typedef int array [2 * (__GNU_GETTEXT_SUPPORTED_REVISION(0) >= 1) - 1];
changequote([,])dnl
'
else
gt_revision_test_code=
fi
if test $gt_api_version -ge 2; then
gt_expression_test_code=' + * ngettext ("", "", 0)'
else
gt_expression_test_code=
fi
AC_CACHE_CHECK([for GNU gettext in libc], [$gt_func_gnugettext_libc],
[AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[
#include <libintl.h>
#ifndef __GNU_GETTEXT_SUPPORTED_REVISION
extern int _nl_msg_cat_cntr;
extern int *_nl_domain_bindings;
#define __GNU_GETTEXT_SYMBOL_EXPRESSION (_nl_msg_cat_cntr + *_nl_domain_bindings)
#else
#define __GNU_GETTEXT_SYMBOL_EXPRESSION 0
#endif
$gt_revision_test_code
]],
[[
bindtextdomain ("", "");
return * gettext ("")$gt_expression_test_code + __GNU_GETTEXT_SYMBOL_EXPRESSION
]])],
[eval "$gt_func_gnugettext_libc=yes"],
[eval "$gt_func_gnugettext_libc=no"])])
if { eval "gt_val=\$$gt_func_gnugettext_libc"; test "$gt_val" != "yes"; }; then
dnl Sometimes libintl requires libiconv, so first search for libiconv.
m4_if(gt_building_libintl_in_same_build_tree, yes, , [
AM_ICONV_LINK
])
dnl Search for libintl and define LIBINTL, LTLIBINTL and INCINTL
dnl accordingly. Don't use AC_LIB_LINKFLAGS_BODY([intl],[iconv])
dnl because that would add "-liconv" to LIBINTL and LTLIBINTL
dnl even if libiconv doesn't exist.
AC_LIB_LINKFLAGS_BODY([intl])
AC_CACHE_CHECK([for GNU gettext in libintl],
[$gt_func_gnugettext_libintl],
[gt_save_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $INCINTL"
gt_save_LIBS="$LIBS"
LIBS="$LIBS $LIBINTL"
dnl Now see whether libintl exists and does not depend on libiconv.
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[
#include <libintl.h>
#ifndef __GNU_GETTEXT_SUPPORTED_REVISION
extern int _nl_msg_cat_cntr;
extern
#ifdef __cplusplus
"C"
#endif
const char *_nl_expand_alias (const char *);
#define __GNU_GETTEXT_SYMBOL_EXPRESSION (_nl_msg_cat_cntr + *_nl_expand_alias (""))
#else
#define __GNU_GETTEXT_SYMBOL_EXPRESSION 0
#endif
$gt_revision_test_code
]],
[[
bindtextdomain ("", "");
return * gettext ("")$gt_expression_test_code + __GNU_GETTEXT_SYMBOL_EXPRESSION
]])],
[eval "$gt_func_gnugettext_libintl=yes"],
[eval "$gt_func_gnugettext_libintl=no"])
dnl Now see whether libintl exists and depends on libiconv or other
dnl OS dependent libraries, specifically on macOS and AIX.
gt_LIBINTL_EXTRA="$INTL_MACOSX_LIBS"
AC_REQUIRE([AC_CANONICAL_HOST])
case "$host_os" in
aix*) gt_LIBINTL_EXTRA="-lpthread" ;;
esac
if { eval "gt_val=\$$gt_func_gnugettext_libintl"; test "$gt_val" != yes; } \
&& { test -n "$LIBICONV" || test -n "$gt_LIBINTL_EXTRA"; }; then
LIBS="$LIBS $LIBICONV $gt_LIBINTL_EXTRA"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[
#include <libintl.h>
#ifndef __GNU_GETTEXT_SUPPORTED_REVISION
extern int _nl_msg_cat_cntr;
extern
#ifdef __cplusplus
"C"
#endif
const char *_nl_expand_alias (const char *);
#define __GNU_GETTEXT_SYMBOL_EXPRESSION (_nl_msg_cat_cntr + *_nl_expand_alias (""))
#else
#define __GNU_GETTEXT_SYMBOL_EXPRESSION 0
#endif
$gt_revision_test_code
]],
[[
bindtextdomain ("", "");
return * gettext ("")$gt_expression_test_code + __GNU_GETTEXT_SYMBOL_EXPRESSION
]])],
[LIBINTL="$LIBINTL $LIBICONV $gt_LIBINTL_EXTRA"
LTLIBINTL="$LTLIBINTL $LTLIBICONV $gt_LIBINTL_EXTRA"
eval "$gt_func_gnugettext_libintl=yes"
])
fi
CPPFLAGS="$gt_save_CPPFLAGS"
LIBS="$gt_save_LIBS"])
fi
dnl If an already present or preinstalled GNU gettext() is found,
dnl use it. But if this macro is used in GNU gettext, and GNU
dnl gettext is already preinstalled in libintl, we update this
dnl libintl. (Cf. the install rule in intl/Makefile.in.)
if { eval "gt_val=\$$gt_func_gnugettext_libc"; test "$gt_val" = "yes"; } \
|| { { eval "gt_val=\$$gt_func_gnugettext_libintl"; test "$gt_val" = "yes"; } \
&& test "$PACKAGE" != gettext-runtime \
&& test "$PACKAGE" != gettext-tools \
&& test "$PACKAGE" != libintl; }; then
gt_use_preinstalled_gnugettext=yes
else
dnl Reset the values set by searching for libintl.
LIBINTL=
LTLIBINTL=
INCINTL=
fi
m4_if(gt_building_libintl_in_same_build_tree, yes, [
if test "$gt_use_preinstalled_gnugettext" != "yes"; then
dnl GNU gettext is not found in the C library.
dnl Fall back on included GNU gettext library.
nls_cv_use_gnu_gettext=yes
fi
fi
if test "$nls_cv_use_gnu_gettext" = "yes"; then
dnl Mark actions used to generate GNU NLS library.
USE_INCLUDED_LIBINTL=yes
LIBINTL="m4_if([$3],[],\${top_builddir}/intl,[$3])/libintl.la $LIBICONV $LIBTHREAD"
LTLIBINTL="m4_if([$3],[],\${top_builddir}/intl,[$3])/libintl.la $LTLIBICONV $LTLIBTHREAD"
LIBS=`echo " $LIBS " | sed -e 's/ -lintl / /' -e 's/^ //' -e 's/ $//'`
fi
CATOBJEXT=
if test "$gt_use_preinstalled_gnugettext" = "yes" \
|| test "$nls_cv_use_gnu_gettext" = "yes"; then
dnl Mark actions to use GNU gettext tools.
CATOBJEXT=.gmo
fi
])
if test -n "$INTL_MACOSX_LIBS"; then
if test "$gt_use_preinstalled_gnugettext" = "yes" \
|| test "$nls_cv_use_gnu_gettext" = "yes"; then
dnl Some extra flags are needed during linking.
LIBINTL="$LIBINTL $INTL_MACOSX_LIBS"
LTLIBINTL="$LTLIBINTL $INTL_MACOSX_LIBS"
fi
fi
if test "$gt_use_preinstalled_gnugettext" = "yes" \
|| test "$nls_cv_use_gnu_gettext" = "yes"; then
AC_DEFINE([ENABLE_NLS], [1],
[Define to 1 if translation of program messages to the user's native language
is requested.])
else
USE_NLS=no
fi
fi
AC_MSG_CHECKING([whether to use NLS])
AC_MSG_RESULT([$USE_NLS])
if test "$USE_NLS" = "yes"; then
AC_MSG_CHECKING([where the gettext function comes from])
if test "$gt_use_preinstalled_gnugettext" = "yes"; then
if { eval "gt_val=\$$gt_func_gnugettext_libintl"; test "$gt_val" = "yes"; }; then
gt_source="external libintl"
else
gt_source="libc"
fi
else
gt_source="included intl directory"
fi
AC_MSG_RESULT([$gt_source])
fi
if test "$USE_NLS" = "yes"; then
if test "$gt_use_preinstalled_gnugettext" = "yes"; then
if { eval "gt_val=\$$gt_func_gnugettext_libintl"; test "$gt_val" = "yes"; }; then
AC_MSG_CHECKING([how to link with libintl])
AC_MSG_RESULT([$LIBINTL])
AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCINTL])
fi
dnl For backward compatibility. Some packages may be using this.
AC_DEFINE([HAVE_GETTEXT], [1],
[Define if the GNU gettext() function is already present or preinstalled.])
AC_DEFINE([HAVE_DCGETTEXT], [1],
[Define if the GNU dcgettext() function is already present or preinstalled.])
fi
dnl We need to process the po/ directory.
POSUB=po
fi
m4_if(gt_building_libintl_in_same_build_tree, yes, [
dnl Make all variables we use known to autoconf.
AC_SUBST([USE_INCLUDED_LIBINTL])
AC_SUBST([CATOBJEXT])
])
m4_if(gt_building_libintl_in_same_build_tree, yes, [], [
dnl For backward compatibility. Some Makefiles may be using this.
INTLLIBS="$LIBINTL"
AC_SUBST([INTLLIBS])
])
dnl Make all documented variables known to autoconf.
AC_SUBST([LIBINTL])
AC_SUBST([LTLIBINTL])
AC_SUBST([POSUB])
dnl Define localedir_c and localedir_c_make.
dnl Find the final value of localedir.
gt_save_prefix="${prefix}"
gt_save_datarootdir="${datarootdir}"
gt_save_localedir="${localedir}"
dnl Unfortunately, prefix gets only finally determined at the end of
dnl configure.
if test "X$prefix" = "XNONE"; then
prefix="$ac_default_prefix"
fi
eval datarootdir="$datarootdir"
eval localedir="$localedir"
gl_BUILD_TO_HOST([localedir])
localedir="${gt_save_localedir}"
datarootdir="${gt_save_datarootdir}"
prefix="${gt_save_prefix}"
])
dnl gt_NEEDS_INIT ensures that the gt_needs variable is initialized.
m4_define([gt_NEEDS_INIT],
[
m4_divert_text([DEFAULTS], [gt_needs=])
m4_define([gt_NEEDS_INIT], [])
])
dnl Usage: AM_GNU_GETTEXT_NEED([NEEDSYMBOL])
AC_DEFUN([AM_GNU_GETTEXT_NEED],
[
m4_divert_text([INIT_PREPARE], [gt_needs="$gt_needs $1"])
])
dnl Usage: AM_GNU_GETTEXT_VERSION([gettext-version])
AC_DEFUN([AM_GNU_GETTEXT_VERSION], [])
dnl Usage: AM_GNU_GETTEXT_REQUIRE_VERSION([gettext-version])
AC_DEFUN([AM_GNU_GETTEXT_REQUIRE_VERSION], [])

527
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# host-cpu-c-abi.m4 serial 17
dnl Copyright (C) 2002-2024 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl From Bruno Haible and Sam Steingold.
dnl Sets the HOST_CPU variable to the canonical name of the CPU.
dnl Sets the HOST_CPU_C_ABI variable to the canonical name of the CPU with its
dnl C language ABI (application binary interface).
dnl Also defines __${HOST_CPU}__ and __${HOST_CPU_C_ABI}__ as C macros in
dnl config.h.
dnl
dnl This canonical name can be used to select a particular assembly language
dnl source file that will interoperate with C code on the given host.
dnl
dnl For example:
dnl * 'i386' and 'sparc' are different canonical names, because code for i386
dnl will not run on SPARC CPUs and vice versa. They have different
dnl instruction sets.
dnl * 'sparc' and 'sparc64' are different canonical names, because code for
dnl 'sparc' and code for 'sparc64' cannot be linked together: 'sparc' code
dnl contains 32-bit instructions, whereas 'sparc64' code contains 64-bit
dnl instructions. A process on a SPARC CPU can be in 32-bit mode or in 64-bit
dnl mode, but not both.
dnl * 'mips' and 'mipsn32' are different canonical names, because they use
dnl different argument passing and return conventions for C functions, and
dnl although the instruction set of 'mips' is a large subset of the
dnl instruction set of 'mipsn32'.
dnl * 'mipsn32' and 'mips64' are different canonical names, because they use
dnl different sizes for the C types like 'int' and 'void *', and although
dnl the instruction sets of 'mipsn32' and 'mips64' are the same.
dnl * The same canonical name is used for different endiannesses. You can
dnl determine the endianness through preprocessor symbols:
dnl - 'arm': test __ARMEL__.
dnl - 'mips', 'mipsn32', 'mips64': test _MIPSEB vs. _MIPSEL.
dnl - 'powerpc64': test _BIG_ENDIAN vs. _LITTLE_ENDIAN.
dnl * The same name 'i386' is used for CPUs of type i386, i486, i586
dnl (Pentium), AMD K7, Pentium II, Pentium IV, etc., because
dnl - Instructions that do not exist on all of these CPUs (cmpxchg,
dnl MMX, SSE, SSE2, 3DNow! etc.) are not frequently used. If your
dnl assembly language source files use such instructions, you will
dnl need to make the distinction.
dnl - Speed of execution of the common instruction set is reasonable across
dnl the entire family of CPUs. If you have assembly language source files
dnl that are optimized for particular CPU types (like GNU gmp has), you
dnl will need to make the distinction.
dnl See <https://en.wikipedia.org/wiki/X86_instruction_listings>.
AC_DEFUN([gl_HOST_CPU_C_ABI],
[
AC_REQUIRE([AC_CANONICAL_HOST])
AC_REQUIRE([gl_C_ASM])
AC_CACHE_CHECK([host CPU and C ABI], [gl_cv_host_cpu_c_abi],
[case "$host_cpu" in
changequote(,)dnl
i[34567]86 )
changequote([,])dnl
gl_cv_host_cpu_c_abi=i386
;;
x86_64 )
# On x86_64 systems, the C compiler may be generating code in one of
# these ABIs:
# - 64-bit instruction set, 64-bit pointers, 64-bit 'long': x86_64.
# - 64-bit instruction set, 64-bit pointers, 32-bit 'long': x86_64
# with native Windows (mingw, MSVC).
# - 64-bit instruction set, 32-bit pointers, 32-bit 'long': x86_64-x32.
# - 32-bit instruction set, 32-bit pointers, 32-bit 'long': i386.
AC_COMPILE_IFELSE(
[AC_LANG_SOURCE(
[[#if (defined __x86_64__ || defined __amd64__ \
|| defined _M_X64 || defined _M_AMD64)
int ok;
#else
error fail
#endif
]])],
[AC_COMPILE_IFELSE(
[AC_LANG_SOURCE(
[[#if defined __ILP32__ || defined _ILP32
int ok;
#else
error fail
#endif
]])],
[gl_cv_host_cpu_c_abi=x86_64-x32],
[gl_cv_host_cpu_c_abi=x86_64])],
[gl_cv_host_cpu_c_abi=i386])
;;
changequote(,)dnl
alphaev[4-8] | alphaev56 | alphapca5[67] | alphaev6[78] )
changequote([,])dnl
gl_cv_host_cpu_c_abi=alpha
;;
arm* | aarch64 )
# Assume arm with EABI.
# On arm64 systems, the C compiler may be generating code in one of
# these ABIs:
# - aarch64 instruction set, 64-bit pointers, 64-bit 'long': arm64.
# - aarch64 instruction set, 32-bit pointers, 32-bit 'long': arm64-ilp32.
# - 32-bit instruction set, 32-bit pointers, 32-bit 'long': arm or armhf.
AC_COMPILE_IFELSE(
[AC_LANG_SOURCE(
[[#ifdef __aarch64__
int ok;
#else
error fail
#endif
]])],
[AC_COMPILE_IFELSE(
[AC_LANG_SOURCE(
[[#if defined __ILP32__ || defined _ILP32
int ok;
#else
error fail
#endif
]])],
[gl_cv_host_cpu_c_abi=arm64-ilp32],
[gl_cv_host_cpu_c_abi=arm64])],
[# Don't distinguish little-endian and big-endian arm, since they
# don't require different machine code for simple operations and
# since the user can distinguish them through the preprocessor
# defines __ARMEL__ vs. __ARMEB__.
# But distinguish arm which passes floating-point arguments and
# return values in integer registers (r0, r1, ...) - this is
# gcc -mfloat-abi=soft or gcc -mfloat-abi=softfp - from arm which
# passes them in float registers (s0, s1, ...) and double registers
# (d0, d1, ...) - this is gcc -mfloat-abi=hard. GCC 4.6 or newer
# sets the preprocessor defines __ARM_PCS (for the first case) and
# __ARM_PCS_VFP (for the second case), but older GCC does not.
echo 'double ddd; void func (double dd) { ddd = dd; }' > conftest.c
# Look for a reference to the register d0 in the .s file.
AC_TRY_COMMAND(${CC-cc} $CFLAGS $CPPFLAGS $gl_c_asm_opt conftest.c) >/dev/null 2>&1
if LC_ALL=C grep 'd0,' conftest.$gl_asmext >/dev/null; then
gl_cv_host_cpu_c_abi=armhf
else
gl_cv_host_cpu_c_abi=arm
fi
rm -f conftest*
])
;;
hppa1.0 | hppa1.1 | hppa2.0* | hppa64 )
# On hppa, the C compiler may be generating 32-bit code or 64-bit
# code. In the latter case, it defines _LP64 and __LP64__.
AC_COMPILE_IFELSE(
[AC_LANG_SOURCE(
[[#ifdef __LP64__
int ok;
#else
error fail
#endif
]])],
[gl_cv_host_cpu_c_abi=hppa64],
[gl_cv_host_cpu_c_abi=hppa])
;;
ia64* )
# On ia64 on HP-UX, the C compiler may be generating 64-bit code or
# 32-bit code. In the latter case, it defines _ILP32.
AC_COMPILE_IFELSE(
[AC_LANG_SOURCE(
[[#ifdef _ILP32
int ok;
#else
error fail
#endif
]])],
[gl_cv_host_cpu_c_abi=ia64-ilp32],
[gl_cv_host_cpu_c_abi=ia64])
;;
mips* )
# We should also check for (_MIPS_SZPTR == 64), but gcc keeps this
# at 32.
AC_COMPILE_IFELSE(
[AC_LANG_SOURCE(
[[#if defined _MIPS_SZLONG && (_MIPS_SZLONG == 64)
int ok;
#else
error fail
#endif
]])],
[gl_cv_host_cpu_c_abi=mips64],
[# In the n32 ABI, _ABIN32 is defined, _ABIO32 is not defined (but
# may later get defined by <sgidefs.h>), and _MIPS_SIM == _ABIN32.
# In the 32 ABI, _ABIO32 is defined, _ABIN32 is not defined (but
# may later get defined by <sgidefs.h>), and _MIPS_SIM == _ABIO32.
AC_COMPILE_IFELSE(
[AC_LANG_SOURCE(
[[#if (_MIPS_SIM == _ABIN32)
int ok;
#else
error fail
#endif
]])],
[gl_cv_host_cpu_c_abi=mipsn32],
[gl_cv_host_cpu_c_abi=mips])])
;;
powerpc* )
# Different ABIs are in use on AIX vs. Mac OS X vs. Linux,*BSD.
# No need to distinguish them here; the caller may distinguish
# them based on the OS.
# On powerpc64 systems, the C compiler may still be generating
# 32-bit code. And on powerpc-ibm-aix systems, the C compiler may
# be generating 64-bit code.
AC_COMPILE_IFELSE(
[AC_LANG_SOURCE(
[[#if defined __powerpc64__ || defined __LP64__
int ok;
#else
error fail
#endif
]])],
[# On powerpc64, there are two ABIs on Linux: The AIX compatible
# one and the ELFv2 one. The latter defines _CALL_ELF=2.
AC_COMPILE_IFELSE(
[AC_LANG_SOURCE(
[[#if defined _CALL_ELF && _CALL_ELF == 2
int ok;
#else
error fail
#endif
]])],
[gl_cv_host_cpu_c_abi=powerpc64-elfv2],
[gl_cv_host_cpu_c_abi=powerpc64])
],
[gl_cv_host_cpu_c_abi=powerpc])
;;
rs6000 )
gl_cv_host_cpu_c_abi=powerpc
;;
riscv32 | riscv64 )
# There are 2 architectures (with variants): rv32* and rv64*.
AC_COMPILE_IFELSE(
[AC_LANG_SOURCE(
[[#if __riscv_xlen == 64
int ok;
#else
error fail
#endif
]])],
[cpu=riscv64],
[cpu=riscv32])
# There are 6 ABIs: ilp32, ilp32f, ilp32d, lp64, lp64f, lp64d.
# Size of 'long' and 'void *':
AC_COMPILE_IFELSE(
[AC_LANG_SOURCE(
[[#if defined __LP64__
int ok;
#else
error fail
#endif
]])],
[main_abi=lp64],
[main_abi=ilp32])
# Float ABIs:
# __riscv_float_abi_double:
# 'float' and 'double' are passed in floating-point registers.
# __riscv_float_abi_single:
# 'float' are passed in floating-point registers.
# __riscv_float_abi_soft:
# No values are passed in floating-point registers.
AC_COMPILE_IFELSE(
[AC_LANG_SOURCE(
[[#if defined __riscv_float_abi_double
int ok;
#else
error fail
#endif
]])],
[float_abi=d],
[AC_COMPILE_IFELSE(
[AC_LANG_SOURCE(
[[#if defined __riscv_float_abi_single
int ok;
#else
error fail
#endif
]])],
[float_abi=f],
[float_abi=''])
])
gl_cv_host_cpu_c_abi="${cpu}-${main_abi}${float_abi}"
;;
s390* )
# On s390x, the C compiler may be generating 64-bit (= s390x) code
# or 31-bit (= s390) code.
AC_COMPILE_IFELSE(
[AC_LANG_SOURCE(
[[#if defined __LP64__ || defined __s390x__
int ok;
#else
error fail
#endif
]])],
[gl_cv_host_cpu_c_abi=s390x],
[gl_cv_host_cpu_c_abi=s390])
;;
sparc | sparc64 )
# UltraSPARCs running Linux have `uname -m` = "sparc64", but the
# C compiler still generates 32-bit code.
AC_COMPILE_IFELSE(
[AC_LANG_SOURCE(
[[#if defined __sparcv9 || defined __arch64__
int ok;
#else
error fail
#endif
]])],
[gl_cv_host_cpu_c_abi=sparc64],
[gl_cv_host_cpu_c_abi=sparc])
;;
*)
gl_cv_host_cpu_c_abi="$host_cpu"
;;
esac
])
dnl In most cases, $HOST_CPU and $HOST_CPU_C_ABI are the same.
HOST_CPU=`echo "$gl_cv_host_cpu_c_abi" | sed -e 's/-.*//'`
HOST_CPU_C_ABI="$gl_cv_host_cpu_c_abi"
AC_SUBST([HOST_CPU])
AC_SUBST([HOST_CPU_C_ABI])
# This was
# AC_DEFINE_UNQUOTED([__${HOST_CPU}__])
# AC_DEFINE_UNQUOTED([__${HOST_CPU_C_ABI}__])
# earlier, but KAI C++ 3.2d doesn't like this.
sed -e 's/-/_/g' >> confdefs.h <<EOF
#ifndef __${HOST_CPU}__
#define __${HOST_CPU}__ 1
#endif
#ifndef __${HOST_CPU_C_ABI}__
#define __${HOST_CPU_C_ABI}__ 1
#endif
EOF
AH_TOP([/* CPU and C ABI indicator */
#ifndef __i386__
#undef __i386__
#endif
#ifndef __x86_64_x32__
#undef __x86_64_x32__
#endif
#ifndef __x86_64__
#undef __x86_64__
#endif
#ifndef __alpha__
#undef __alpha__
#endif
#ifndef __arm__
#undef __arm__
#endif
#ifndef __armhf__
#undef __armhf__
#endif
#ifndef __arm64_ilp32__
#undef __arm64_ilp32__
#endif
#ifndef __arm64__
#undef __arm64__
#endif
#ifndef __hppa__
#undef __hppa__
#endif
#ifndef __hppa64__
#undef __hppa64__
#endif
#ifndef __ia64_ilp32__
#undef __ia64_ilp32__
#endif
#ifndef __ia64__
#undef __ia64__
#endif
#ifndef __loongarch64__
#undef __loongarch64__
#endif
#ifndef __m68k__
#undef __m68k__
#endif
#ifndef __mips__
#undef __mips__
#endif
#ifndef __mipsn32__
#undef __mipsn32__
#endif
#ifndef __mips64__
#undef __mips64__
#endif
#ifndef __powerpc__
#undef __powerpc__
#endif
#ifndef __powerpc64__
#undef __powerpc64__
#endif
#ifndef __powerpc64_elfv2__
#undef __powerpc64_elfv2__
#endif
#ifndef __riscv32__
#undef __riscv32__
#endif
#ifndef __riscv64__
#undef __riscv64__
#endif
#ifndef __riscv32_ilp32__
#undef __riscv32_ilp32__
#endif
#ifndef __riscv32_ilp32f__
#undef __riscv32_ilp32f__
#endif
#ifndef __riscv32_ilp32d__
#undef __riscv32_ilp32d__
#endif
#ifndef __riscv64_ilp32__
#undef __riscv64_ilp32__
#endif
#ifndef __riscv64_ilp32f__
#undef __riscv64_ilp32f__
#endif
#ifndef __riscv64_ilp32d__
#undef __riscv64_ilp32d__
#endif
#ifndef __riscv64_lp64__
#undef __riscv64_lp64__
#endif
#ifndef __riscv64_lp64f__
#undef __riscv64_lp64f__
#endif
#ifndef __riscv64_lp64d__
#undef __riscv64_lp64d__
#endif
#ifndef __s390__
#undef __s390__
#endif
#ifndef __s390x__
#undef __s390x__
#endif
#ifndef __sh__
#undef __sh__
#endif
#ifndef __sparc__
#undef __sparc__
#endif
#ifndef __sparc64__
#undef __sparc64__
#endif
])
])
dnl Sets the HOST_CPU_C_ABI_32BIT variable to 'yes' if the C language ABI
dnl (application binary interface) is a 32-bit one, to 'no' if it is a 64-bit
dnl one.
dnl This is a simplified variant of gl_HOST_CPU_C_ABI.
AC_DEFUN([gl_HOST_CPU_C_ABI_32BIT],
[
AC_REQUIRE([AC_CANONICAL_HOST])
AC_CACHE_CHECK([32-bit host C ABI], [gl_cv_host_cpu_c_abi_32bit],
[case "$host_cpu" in
# CPUs that only support a 32-bit ABI.
arc \
| bfin \
| cris* \
| csky \
| epiphany \
| ft32 \
| h8300 \
| m68k \
| microblaze | microblazeel \
| nds32 | nds32le | nds32be \
| nios2 | nios2eb | nios2el \
| or1k* \
| or32 \
| sh | sh[1234] | sh[1234]e[lb] \
| tic6x \
| xtensa* )
gl_cv_host_cpu_c_abi_32bit=yes
;;
# CPUs that only support a 64-bit ABI.
changequote(,)dnl
alpha | alphaev[4-8] | alphaev56 | alphapca5[67] | alphaev6[78] \
| mmix )
changequote([,])dnl
gl_cv_host_cpu_c_abi_32bit=no
;;
*)
if test -n "$gl_cv_host_cpu_c_abi"; then
dnl gl_HOST_CPU_C_ABI has already been run. Use its result.
case "$gl_cv_host_cpu_c_abi" in
i386 | x86_64-x32 | arm | armhf | arm64-ilp32 | hppa | ia64-ilp32 | mips | mipsn32 | powerpc | riscv*-ilp32* | s390 | sparc)
gl_cv_host_cpu_c_abi_32bit=yes ;;
x86_64 | alpha | arm64 | aarch64c | hppa64 | ia64 | mips64 | powerpc64 | powerpc64-elfv2 | riscv*-lp64* | s390x | sparc64 )
gl_cv_host_cpu_c_abi_32bit=no ;;
*)
gl_cv_host_cpu_c_abi_32bit=unknown ;;
esac
else
gl_cv_host_cpu_c_abi_32bit=unknown
fi
if test $gl_cv_host_cpu_c_abi_32bit = unknown; then
AC_COMPILE_IFELSE(
[AC_LANG_SOURCE(
[[int test_pointer_size[sizeof (void *) - 5];
]])],
[gl_cv_host_cpu_c_abi_32bit=no],
[gl_cv_host_cpu_c_abi_32bit=yes])
fi
;;
esac
])
HOST_CPU_C_ABI_32BIT="$gl_cv_host_cpu_c_abi_32bit"
])

293
src/dependencies/xz-5.6.2/m4/iconv.m4 Normal file
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@ -0,0 +1,293 @@
# iconv.m4 serial 27
dnl Copyright (C) 2000-2002, 2007-2014, 2016-2024 Free Software Foundation,
dnl Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl From Bruno Haible.
AC_PREREQ([2.64])
dnl Note: AM_ICONV is documented in the GNU gettext manual
dnl <https://www.gnu.org/software/gettext/manual/html_node/AM_005fICONV.html>.
dnl Don't make changes that are incompatible with that documentation!
AC_DEFUN([AM_ICONV_LINKFLAGS_BODY],
[
dnl Prerequisites of AC_LIB_LINKFLAGS_BODY.
AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
AC_REQUIRE([AC_LIB_RPATH])
dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV
dnl accordingly.
AC_LIB_LINKFLAGS_BODY([iconv])
])
AC_DEFUN([AM_ICONV_LINK],
[
dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and
dnl those with the standalone portable GNU libiconv installed).
AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV
dnl accordingly.
AC_REQUIRE([AM_ICONV_LINKFLAGS_BODY])
dnl Add $INCICONV to CPPFLAGS before performing the following checks,
dnl because if the user has installed libiconv and not disabled its use
dnl via --without-libiconv-prefix, he wants to use it. The first
dnl AC_LINK_IFELSE will then fail, the second AC_LINK_IFELSE will succeed.
gl_saved_CPPFLAGS="$CPPFLAGS"
AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCICONV])
AC_CACHE_CHECK([for iconv], [am_cv_func_iconv], [
am_cv_func_iconv="no, consider installing GNU libiconv"
am_cv_lib_iconv=no
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[
#include <stdlib.h>
#include <iconv.h>
]],
[[iconv_t cd = iconv_open("","");
iconv(cd,NULL,NULL,NULL,NULL);
iconv_close(cd);]])],
[am_cv_func_iconv=yes])
if test "$am_cv_func_iconv" != yes; then
gl_saved_LIBS="$LIBS"
LIBS="$LIBS $LIBICONV"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[
#include <stdlib.h>
#include <iconv.h>
]],
[[iconv_t cd = iconv_open("","");
iconv(cd,NULL,NULL,NULL,NULL);
iconv_close(cd);]])],
[am_cv_lib_iconv=yes]
[am_cv_func_iconv=yes])
LIBS="$gl_saved_LIBS"
fi
])
if test "$am_cv_func_iconv" = yes; then
AC_CACHE_CHECK([for working iconv], [am_cv_func_iconv_works], [
dnl This tests against bugs in AIX 5.1, AIX 6.1..7.1, HP-UX 11.11,
dnl Solaris 10.
gl_saved_LIBS="$LIBS"
if test $am_cv_lib_iconv = yes; then
LIBS="$LIBS $LIBICONV"
fi
am_cv_func_iconv_works=no
for ac_iconv_const in '' 'const'; do
AC_RUN_IFELSE(
[AC_LANG_PROGRAM(
[[
#include <iconv.h>
#include <string.h>
#ifndef ICONV_CONST
# define ICONV_CONST $ac_iconv_const
#endif
]],
[[int result = 0;
/* Test against AIX 5.1...7.2 bug: Failures are not distinguishable from
successful returns. This is even documented in
<https://www.ibm.com/support/knowledgecenter/ssw_aix_72/i_bostechref/iconv.html> */
{
iconv_t cd_utf8_to_88591 = iconv_open ("ISO8859-1", "UTF-8");
if (cd_utf8_to_88591 != (iconv_t)(-1))
{
static ICONV_CONST char input[] = "\342\202\254"; /* EURO SIGN */
char buf[10];
ICONV_CONST char *inptr = input;
size_t inbytesleft = strlen (input);
char *outptr = buf;
size_t outbytesleft = sizeof (buf);
size_t res = iconv (cd_utf8_to_88591,
&inptr, &inbytesleft,
&outptr, &outbytesleft);
if (res == 0)
result |= 1;
iconv_close (cd_utf8_to_88591);
}
}
/* Test against Solaris 10 bug: Failures are not distinguishable from
successful returns. */
{
iconv_t cd_ascii_to_88591 = iconv_open ("ISO8859-1", "646");
if (cd_ascii_to_88591 != (iconv_t)(-1))
{
static ICONV_CONST char input[] = "\263";
char buf[10];
ICONV_CONST char *inptr = input;
size_t inbytesleft = strlen (input);
char *outptr = buf;
size_t outbytesleft = sizeof (buf);
size_t res = iconv (cd_ascii_to_88591,
&inptr, &inbytesleft,
&outptr, &outbytesleft);
if (res == 0)
result |= 2;
iconv_close (cd_ascii_to_88591);
}
}
/* Test against AIX 6.1..7.1 bug: Buffer overrun. */
{
iconv_t cd_88591_to_utf8 = iconv_open ("UTF-8", "ISO-8859-1");
if (cd_88591_to_utf8 != (iconv_t)(-1))
{
static ICONV_CONST char input[] = "\304";
static char buf[2] = { (char)0xDE, (char)0xAD };
ICONV_CONST char *inptr = input;
size_t inbytesleft = 1;
char *outptr = buf;
size_t outbytesleft = 1;
size_t res = iconv (cd_88591_to_utf8,
&inptr, &inbytesleft,
&outptr, &outbytesleft);
if (res != (size_t)(-1) || outptr - buf > 1 || buf[1] != (char)0xAD)
result |= 4;
iconv_close (cd_88591_to_utf8);
}
}
#if 0 /* This bug could be worked around by the caller. */
/* Test against HP-UX 11.11 bug: Positive return value instead of 0. */
{
iconv_t cd_88591_to_utf8 = iconv_open ("utf8", "iso88591");
if (cd_88591_to_utf8 != (iconv_t)(-1))
{
static ICONV_CONST char input[] = "\304rger mit b\366sen B\374bchen ohne Augenma\337";
char buf[50];
ICONV_CONST char *inptr = input;
size_t inbytesleft = strlen (input);
char *outptr = buf;
size_t outbytesleft = sizeof (buf);
size_t res = iconv (cd_88591_to_utf8,
&inptr, &inbytesleft,
&outptr, &outbytesleft);
if ((int)res > 0)
result |= 8;
iconv_close (cd_88591_to_utf8);
}
}
#endif
/* Test against HP-UX 11.11 bug: No converter from EUC-JP to UTF-8 is
provided. */
{
/* Try standardized names. */
iconv_t cd1 = iconv_open ("UTF-8", "EUC-JP");
/* Try IRIX, OSF/1 names. */
iconv_t cd2 = iconv_open ("UTF-8", "eucJP");
/* Try AIX names. */
iconv_t cd3 = iconv_open ("UTF-8", "IBM-eucJP");
/* Try HP-UX names. */
iconv_t cd4 = iconv_open ("utf8", "eucJP");
if (cd1 == (iconv_t)(-1) && cd2 == (iconv_t)(-1)
&& cd3 == (iconv_t)(-1) && cd4 == (iconv_t)(-1))
result |= 16;
if (cd1 != (iconv_t)(-1))
iconv_close (cd1);
if (cd2 != (iconv_t)(-1))
iconv_close (cd2);
if (cd3 != (iconv_t)(-1))
iconv_close (cd3);
if (cd4 != (iconv_t)(-1))
iconv_close (cd4);
}
return result;
]])],
[am_cv_func_iconv_works=yes], ,
[case "$host_os" in
aix* | hpux*) am_cv_func_iconv_works="guessing no" ;;
*) am_cv_func_iconv_works="guessing yes" ;;
esac])
test "$am_cv_func_iconv_works" = no || break
done
LIBS="$gl_saved_LIBS"
])
case "$am_cv_func_iconv_works" in
*no) am_func_iconv=no am_cv_lib_iconv=no ;;
*) am_func_iconv=yes ;;
esac
else
am_func_iconv=no am_cv_lib_iconv=no
fi
if test "$am_func_iconv" = yes; then
AC_DEFINE([HAVE_ICONV], [1],
[Define if you have the iconv() function and it works.])
fi
if test "$am_cv_lib_iconv" = yes; then
AC_MSG_CHECKING([how to link with libiconv])
AC_MSG_RESULT([$LIBICONV])
else
dnl If $LIBICONV didn't lead to a usable library, we don't need $INCICONV
dnl either.
CPPFLAGS="$gl_saved_CPPFLAGS"
LIBICONV=
LTLIBICONV=
fi
AC_SUBST([LIBICONV])
AC_SUBST([LTLIBICONV])
])
dnl Define AM_ICONV using AC_DEFUN_ONCE, in order to avoid warnings like
dnl "warning: AC_REQUIRE: `AM_ICONV' was expanded before it was required".
AC_DEFUN_ONCE([AM_ICONV],
[
AM_ICONV_LINK
if test "$am_cv_func_iconv" = yes; then
AC_CACHE_CHECK([whether iconv is compatible with its POSIX signature],
[gl_cv_iconv_nonconst],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[
#include <stdlib.h>
#include <iconv.h>
extern
#ifdef __cplusplus
"C"
#endif
size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
]],
[[]])],
[gl_cv_iconv_nonconst=yes],
[gl_cv_iconv_nonconst=no])
])
else
dnl When compiling GNU libiconv on a system that does not have iconv yet,
dnl pick the POSIX compliant declaration without 'const'.
gl_cv_iconv_nonconst=yes
fi
if test $gl_cv_iconv_nonconst = yes; then
iconv_arg1=""
else
iconv_arg1="const"
fi
AC_DEFINE_UNQUOTED([ICONV_CONST], [$iconv_arg1],
[Define as const if the declaration of iconv() needs const.])
dnl Also substitute ICONV_CONST in the gnulib generated <iconv.h>.
m4_ifdef([gl_ICONV_H_DEFAULTS],
[AC_REQUIRE([gl_ICONV_H_DEFAULTS])
if test $gl_cv_iconv_nonconst != yes; then
ICONV_CONST="const"
fi
])
dnl A summary result, for those packages which want to print a summary at the
dnl end of the configuration.
if test "$am_func_iconv" = yes; then
if test -n "$LIBICONV"; then
am_cv_func_iconv_summary='yes, in libiconv'
else
am_cv_func_iconv_summary='yes, in libc'
fi
else
if test "$am_cv_func_iconv" = yes; then
am_cv_func_iconv_summary='not working, consider installing GNU libiconv'
else
am_cv_func_iconv_summary='no, consider installing GNU libiconv'
fi
fi
])

69
src/dependencies/xz-5.6.2/m4/intlmacosx.m4 Normal file
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# intlmacosx.m4 serial 10 (gettext-0.23)
dnl Copyright (C) 2004-2014, 2016, 2019-2024 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl
dnl This file can be used in projects which are not available under
dnl the GNU General Public License or the GNU Lesser General Public
dnl License but which still want to provide support for the GNU gettext
dnl functionality.
dnl Please note that the actual code of the GNU gettext library is covered
dnl by the GNU Lesser General Public License, and the rest of the GNU
dnl gettext package is covered by the GNU General Public License.
dnl They are *not* in the public domain.
dnl Checks for special options needed on Mac OS X.
dnl Defines INTL_MACOSX_LIBS.
AC_DEFUN([gt_INTL_MACOSX],
[
dnl Check for API introduced in Mac OS X 10.4.
AC_CACHE_CHECK([for CFPreferencesCopyAppValue],
[gt_cv_func_CFPreferencesCopyAppValue],
[gt_saved_LIBS="$LIBS"
LIBS="$LIBS -Wl,-framework -Wl,CoreFoundation"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[#include <CoreFoundation/CFPreferences.h>]],
[[CFPreferencesCopyAppValue(NULL, NULL)]])],
[gt_cv_func_CFPreferencesCopyAppValue=yes],
[gt_cv_func_CFPreferencesCopyAppValue=no])
LIBS="$gt_saved_LIBS"])
if test $gt_cv_func_CFPreferencesCopyAppValue = yes; then
AC_DEFINE([HAVE_CFPREFERENCESCOPYAPPVALUE], [1],
[Define to 1 if you have the Mac OS X function CFPreferencesCopyAppValue in the CoreFoundation framework.])
fi
dnl Don't check for the API introduced in Mac OS X 10.5, CFLocaleCopyCurrent,
dnl because in macOS 10.13.4 it has the following behaviour:
dnl When two or more languages are specified in the
dnl "System Preferences > Language & Region > Preferred Languages" panel,
dnl it returns en_CC where CC is the territory (even when English is not among
dnl the preferred languages!). What we want instead is what
dnl CFLocaleCopyCurrent returned in earlier macOS releases and what
dnl CFPreferencesCopyAppValue still returns, namely ll_CC where ll is the
dnl first among the preferred languages and CC is the territory.
AC_CACHE_CHECK([for CFLocaleCopyPreferredLanguages], [gt_cv_func_CFLocaleCopyPreferredLanguages],
[gt_saved_LIBS="$LIBS"
LIBS="$LIBS -Wl,-framework -Wl,CoreFoundation"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[#include <CoreFoundation/CFLocale.h>]],
[[CFLocaleCopyPreferredLanguages();]])],
[gt_cv_func_CFLocaleCopyPreferredLanguages=yes],
[gt_cv_func_CFLocaleCopyPreferredLanguages=no])
LIBS="$gt_saved_LIBS"])
if test $gt_cv_func_CFLocaleCopyPreferredLanguages = yes; then
AC_DEFINE([HAVE_CFLOCALECOPYPREFERREDLANGUAGES], [1],
[Define to 1 if you have the Mac OS X function CFLocaleCopyPreferredLanguages in the CoreFoundation framework.])
fi
INTL_MACOSX_LIBS=
if test $gt_cv_func_CFPreferencesCopyAppValue = yes \
|| test $gt_cv_func_CFLocaleCopyPreferredLanguages = yes; then
dnl Starting with macOS version 14, CoreFoundation relies on CoreServices,
dnl and we have to link it in explicitly, otherwise an exception
dnl NSInvalidArgumentException "unrecognized selector sent to instance"
dnl occurs.
INTL_MACOSX_LIBS="-Wl,-framework -Wl,CoreFoundation -Wl,-framework -Wl,CoreServices"
fi
AC_SUBST([INTL_MACOSX_LIBS])
])

168
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# lib-ld.m4 serial 13
dnl Copyright (C) 1996-2003, 2009-2024 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl Subroutines of libtool.m4,
dnl with replacements s/_*LT_PATH/AC_LIB_PROG/ and s/lt_/acl_/ to avoid
dnl collision with libtool.m4.
dnl From libtool-2.4. Sets the variable with_gnu_ld to yes or no.
AC_DEFUN([AC_LIB_PROG_LD_GNU],
[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], [acl_cv_prog_gnu_ld],
[# I'd rather use --version here, but apparently some GNU lds only accept -v.
case `$LD -v 2>&1 </dev/null` in
*GNU* | *'with BFD'*)
acl_cv_prog_gnu_ld=yes
;;
*)
acl_cv_prog_gnu_ld=no
;;
esac])
with_gnu_ld=$acl_cv_prog_gnu_ld
])
dnl From libtool-2.4. Sets the variable LD.
AC_DEFUN([AC_LIB_PROG_LD],
[AC_REQUIRE([AC_PROG_CC])dnl
AC_REQUIRE([AC_CANONICAL_HOST])dnl
AC_ARG_WITH([gnu-ld],
[AS_HELP_STRING([[--with-gnu-ld]],
[assume the C compiler uses GNU ld [default=no]])],
[test "$withval" = no || with_gnu_ld=yes],
[with_gnu_ld=no])dnl
# Prepare PATH_SEPARATOR.
# The user is always right.
if test "${PATH_SEPARATOR+set}" != set; then
# Determine PATH_SEPARATOR by trying to find /bin/sh in a PATH which
# contains only /bin. Note that ksh looks also at the FPATH variable,
# so we have to set that as well for the test.
PATH_SEPARATOR=:
(PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \
&& { (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \
|| PATH_SEPARATOR=';'
}
fi
if test -n "$LD"; then
AC_MSG_CHECKING([for ld])
elif test "$GCC" = yes; then
AC_MSG_CHECKING([for ld used by $CC])
elif test "$with_gnu_ld" = yes; then
AC_MSG_CHECKING([for GNU ld])
else
AC_MSG_CHECKING([for non-GNU ld])
fi
if test -n "$LD"; then
# Let the user override the test with a path.
:
else
AC_CACHE_VAL([acl_cv_path_LD],
[
acl_cv_path_LD= # Final result of this test
ac_prog=ld # Program to search in $PATH
if test "$GCC" = yes; then
# Check if gcc -print-prog-name=ld gives a path.
case $host in
*-*-mingw* | windows*)
# gcc leaves a trailing carriage return which upsets mingw
acl_output=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
*)
acl_output=`($CC -print-prog-name=ld) 2>&5` ;;
esac
case $acl_output in
# Accept absolute paths.
[[\\/]]* | ?:[[\\/]]*)
re_direlt='/[[^/]][[^/]]*/\.\./'
# Canonicalize the pathname of ld
acl_output=`echo "$acl_output" | sed 's%\\\\%/%g'`
while echo "$acl_output" | grep "$re_direlt" > /dev/null 2>&1; do
acl_output=`echo $acl_output | sed "s%$re_direlt%/%"`
done
# Got the pathname. No search in PATH is needed.
acl_cv_path_LD="$acl_output"
ac_prog=
;;
"")
# If it fails, then pretend we aren't using GCC.
;;
*)
# If it is relative, then search for the first ld in PATH.
with_gnu_ld=unknown
;;
esac
fi
if test -n "$ac_prog"; then
# Search for $ac_prog in $PATH.
acl_saved_IFS="$IFS"; IFS=$PATH_SEPARATOR
for ac_dir in $PATH; do
IFS="$acl_saved_IFS"
test -z "$ac_dir" && ac_dir=.
if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
acl_cv_path_LD="$ac_dir/$ac_prog"
# Check to see if the program is GNU ld. I'd rather use --version,
# but apparently some variants of GNU ld only accept -v.
# Break only if it was the GNU/non-GNU ld that we prefer.
case `"$acl_cv_path_LD" -v 2>&1 </dev/null` in
*GNU* | *'with BFD'*)
test "$with_gnu_ld" != no && break
;;
*)
test "$with_gnu_ld" != yes && break
;;
esac
fi
done
IFS="$acl_saved_IFS"
fi
case $host in
*-*-aix*)
AC_COMPILE_IFELSE(
[AC_LANG_SOURCE(
[[#if defined __powerpc64__ || defined __LP64__
int ok;
#else
error fail
#endif
]])],
[# The compiler produces 64-bit code. Add option '-b64' so that the
# linker groks 64-bit object files.
case "$acl_cv_path_LD " in
*" -b64 "*) ;;
*) acl_cv_path_LD="$acl_cv_path_LD -b64" ;;
esac
], [])
;;
sparc64-*-netbsd*)
AC_COMPILE_IFELSE(
[AC_LANG_SOURCE(
[[#if defined __sparcv9 || defined __arch64__
int ok;
#else
error fail
#endif
]])],
[],
[# The compiler produces 32-bit code. Add option '-m elf32_sparc'
# so that the linker groks 32-bit object files.
case "$acl_cv_path_LD " in
*" -m elf32_sparc "*) ;;
*) acl_cv_path_LD="$acl_cv_path_LD -m elf32_sparc" ;;
esac
])
;;
esac
])
LD="$acl_cv_path_LD"
fi
if test -n "$LD"; then
AC_MSG_RESULT([$LD])
else
AC_MSG_RESULT([no])
AC_MSG_ERROR([no acceptable ld found in \$PATH])
fi
AC_LIB_PROG_LD_GNU
])

813
src/dependencies/xz-5.6.2/m4/lib-link.m4 Normal file
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@ -0,0 +1,813 @@
# lib-link.m4 serial 34
dnl Copyright (C) 2001-2024 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl From Bruno Haible.
AC_PREREQ([2.61])
dnl AC_LIB_LINKFLAGS(name [, dependencies]) searches for libname and
dnl the libraries corresponding to explicit and implicit dependencies.
dnl Sets and AC_SUBSTs the LIB${NAME} and LTLIB${NAME} variables and
dnl augments the CPPFLAGS variable.
dnl Sets and AC_SUBSTs the LIB${NAME}_PREFIX variable to nonempty if libname
dnl was found in ${LIB${NAME}_PREFIX}/$acl_libdirstem.
AC_DEFUN([AC_LIB_LINKFLAGS],
[
AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
AC_REQUIRE([AC_LIB_RPATH])
pushdef([Name],[m4_translit([$1],[./+-], [____])])
pushdef([NAME],[m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./+-],
[ABCDEFGHIJKLMNOPQRSTUVWXYZ____])])
AC_CACHE_CHECK([how to link with lib[]$1], [ac_cv_lib[]Name[]_libs], [
AC_LIB_LINKFLAGS_BODY([$1], [$2])
ac_cv_lib[]Name[]_libs="$LIB[]NAME"
ac_cv_lib[]Name[]_ltlibs="$LTLIB[]NAME"
ac_cv_lib[]Name[]_cppflags="$INC[]NAME"
ac_cv_lib[]Name[]_prefix="$LIB[]NAME[]_PREFIX"
])
LIB[]NAME="$ac_cv_lib[]Name[]_libs"
LTLIB[]NAME="$ac_cv_lib[]Name[]_ltlibs"
INC[]NAME="$ac_cv_lib[]Name[]_cppflags"
LIB[]NAME[]_PREFIX="$ac_cv_lib[]Name[]_prefix"
AC_LIB_APPENDTOVAR([CPPFLAGS], [$INC]NAME)
AC_SUBST([LIB]NAME)
AC_SUBST([LTLIB]NAME)
AC_SUBST([LIB]NAME[_PREFIX])
dnl Also set HAVE_LIB[]NAME so that AC_LIB_HAVE_LINKFLAGS can reuse the
dnl results of this search when this library appears as a dependency.
HAVE_LIB[]NAME=yes
popdef([NAME])
popdef([Name])
])
dnl AC_LIB_HAVE_LINKFLAGS(name, dependencies, includes, testcode, [missing-message])
dnl searches for libname and the libraries corresponding to explicit and
dnl implicit dependencies, together with the specified include files and
dnl the ability to compile and link the specified testcode. The missing-message
dnl defaults to 'no' and may contain additional hints for the user.
dnl If found, it sets and AC_SUBSTs HAVE_LIB${NAME}=yes and the LIB${NAME}
dnl and LTLIB${NAME} variables and augments the CPPFLAGS variable, and
dnl #defines HAVE_LIB${NAME} to 1. Otherwise, it sets and AC_SUBSTs
dnl HAVE_LIB${NAME}=no and LIB${NAME} and LTLIB${NAME} to empty.
dnl Sets and AC_SUBSTs the LIB${NAME}_PREFIX variable to nonempty if libname
dnl was found in ${LIB${NAME}_PREFIX}/$acl_libdirstem.
AC_DEFUN([AC_LIB_HAVE_LINKFLAGS],
[
AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
AC_REQUIRE([AC_LIB_RPATH])
pushdef([Name],[m4_translit([$1],[./+-], [____])])
pushdef([NAME],[m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./+-],
[ABCDEFGHIJKLMNOPQRSTUVWXYZ____])])
dnl Search for lib[]Name and define LIB[]NAME, LTLIB[]NAME and INC[]NAME
dnl accordingly.
AC_LIB_LINKFLAGS_BODY([$1], [$2])
dnl Add $INC[]NAME to CPPFLAGS before performing the following checks,
dnl because if the user has installed lib[]Name and not disabled its use
dnl via --without-lib[]Name-prefix, he wants to use it.
acl_saved_CPPFLAGS="$CPPFLAGS"
AC_LIB_APPENDTOVAR([CPPFLAGS], [$INC]NAME)
AC_CACHE_CHECK([for lib[]$1], [ac_cv_lib[]Name], [
acl_saved_LIBS="$LIBS"
dnl If $LIB[]NAME contains some -l options, add it to the end of LIBS,
dnl because these -l options might require -L options that are present in
dnl LIBS. -l options benefit only from the -L options listed before it.
dnl Otherwise, add it to the front of LIBS, because it may be a static
dnl library that depends on another static library that is present in LIBS.
dnl Static libraries benefit only from the static libraries listed after
dnl it.
case " $LIB[]NAME" in
*" -l"*) LIBS="$LIBS $LIB[]NAME" ;;
*) LIBS="$LIB[]NAME $LIBS" ;;
esac
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([[$3]], [[$4]])],
[ac_cv_lib[]Name=yes],
[ac_cv_lib[]Name='m4_if([$5], [], [no], [[$5]])'])
LIBS="$acl_saved_LIBS"
])
if test "$ac_cv_lib[]Name" = yes; then
HAVE_LIB[]NAME=yes
AC_DEFINE([HAVE_LIB]NAME, 1, [Define if you have the lib][$1 library.])
AC_MSG_CHECKING([how to link with lib[]$1])
AC_MSG_RESULT([$LIB[]NAME])
else
HAVE_LIB[]NAME=no
dnl If $LIB[]NAME didn't lead to a usable library, we don't need
dnl $INC[]NAME either.
CPPFLAGS="$acl_saved_CPPFLAGS"
LIB[]NAME=
LTLIB[]NAME=
LIB[]NAME[]_PREFIX=
fi
AC_SUBST([HAVE_LIB]NAME)
AC_SUBST([LIB]NAME)
AC_SUBST([LTLIB]NAME)
AC_SUBST([LIB]NAME[_PREFIX])
popdef([NAME])
popdef([Name])
])
dnl Determine the platform dependent parameters needed to use rpath:
dnl acl_libext,
dnl acl_shlibext,
dnl acl_libname_spec,
dnl acl_library_names_spec,
dnl acl_hardcode_libdir_flag_spec,
dnl acl_hardcode_libdir_separator,
dnl acl_hardcode_direct,
dnl acl_hardcode_minus_L.
AC_DEFUN([AC_LIB_RPATH],
[
dnl Complain if config.rpath is missing.
AC_REQUIRE_AUX_FILE([config.rpath])
AC_REQUIRE([AC_PROG_CC]) dnl we use $CC, $GCC, $LDFLAGS
AC_REQUIRE([AC_LIB_PROG_LD]) dnl we use $LD, $with_gnu_ld
AC_REQUIRE([AC_CANONICAL_HOST]) dnl we use $host
AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT]) dnl we use $ac_aux_dir
AC_CACHE_CHECK([for shared library run path origin], [acl_cv_rpath], [
CC="$CC" GCC="$GCC" LDFLAGS="$LDFLAGS" LD="$LD" with_gnu_ld="$with_gnu_ld" \
${CONFIG_SHELL-/bin/sh} "$ac_aux_dir/config.rpath" "$host" > conftest.sh
. ./conftest.sh
rm -f ./conftest.sh
acl_cv_rpath=done
])
wl="$acl_cv_wl"
acl_libext="$acl_cv_libext"
acl_shlibext="$acl_cv_shlibext"
acl_libname_spec="$acl_cv_libname_spec"
acl_library_names_spec="$acl_cv_library_names_spec"
acl_hardcode_libdir_flag_spec="$acl_cv_hardcode_libdir_flag_spec"
acl_hardcode_libdir_separator="$acl_cv_hardcode_libdir_separator"
acl_hardcode_direct="$acl_cv_hardcode_direct"
acl_hardcode_minus_L="$acl_cv_hardcode_minus_L"
dnl Determine whether the user wants rpath handling at all.
AC_ARG_ENABLE([rpath],
[ --disable-rpath do not hardcode runtime library paths],
:, enable_rpath=yes)
])
dnl AC_LIB_FROMPACKAGE(name, package)
dnl declares that libname comes from the given package. The configure file
dnl will then not have a --with-libname-prefix option but a
dnl --with-package-prefix option. Several libraries can come from the same
dnl package. This declaration must occur before an AC_LIB_LINKFLAGS or similar
dnl macro call that searches for libname.
AC_DEFUN([AC_LIB_FROMPACKAGE],
[
pushdef([NAME],[m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./+-],
[ABCDEFGHIJKLMNOPQRSTUVWXYZ____])])
define([acl_frompackage_]NAME, [$2])
popdef([NAME])
pushdef([PACK],[$2])
pushdef([PACKUP],[m4_translit(PACK,[abcdefghijklmnopqrstuvwxyz./+-],
[ABCDEFGHIJKLMNOPQRSTUVWXYZ____])])
define([acl_libsinpackage_]PACKUP,
m4_ifdef([acl_libsinpackage_]PACKUP, [m4_defn([acl_libsinpackage_]PACKUP)[, ]],)[lib$1])
popdef([PACKUP])
popdef([PACK])
])
dnl AC_LIB_LINKFLAGS_BODY(name [, dependencies]) searches for libname and
dnl the libraries corresponding to explicit and implicit dependencies.
dnl Sets the LIB${NAME}, LTLIB${NAME} and INC${NAME} variables.
dnl Also, sets the LIB${NAME}_PREFIX variable to nonempty if libname was found
dnl in ${LIB${NAME}_PREFIX}/$acl_libdirstem.
AC_DEFUN([AC_LIB_LINKFLAGS_BODY],
[
AC_REQUIRE([AC_LIB_PREPARE_MULTILIB])
pushdef([NAME],[m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./+-],
[ABCDEFGHIJKLMNOPQRSTUVWXYZ____])])
pushdef([PACK],[m4_ifdef([acl_frompackage_]NAME, [acl_frompackage_]NAME, lib[$1])])
pushdef([PACKUP],[m4_translit(PACK,[abcdefghijklmnopqrstuvwxyz./+-],
[ABCDEFGHIJKLMNOPQRSTUVWXYZ____])])
pushdef([PACKLIBS],[m4_ifdef([acl_frompackage_]NAME, [acl_libsinpackage_]PACKUP, lib[$1])])
dnl By default, look in $includedir and $libdir.
use_additional=yes
AC_LIB_WITH_FINAL_PREFIX([
eval additional_includedir=\"$includedir\"
eval additional_libdir=\"$libdir\"
eval additional_libdir2=\"$exec_prefix/$acl_libdirstem2\"
eval additional_libdir3=\"$exec_prefix/$acl_libdirstem3\"
])
AC_ARG_WITH(PACK[-prefix],
[[ --with-]]PACK[[-prefix[=DIR] search for ]]PACKLIBS[[ in DIR/include and DIR/lib
--without-]]PACK[[-prefix don't search for ]]PACKLIBS[[ in includedir and libdir]],
[
if test "X$withval" = "Xno"; then
use_additional=no
else
if test "X$withval" = "X"; then
AC_LIB_WITH_FINAL_PREFIX([
eval additional_includedir=\"$includedir\"
eval additional_libdir=\"$libdir\"
eval additional_libdir2=\"$exec_prefix/$acl_libdirstem2\"
eval additional_libdir3=\"$exec_prefix/$acl_libdirstem3\"
])
else
additional_includedir="$withval/include"
additional_libdir="$withval/$acl_libdirstem"
additional_libdir2="$withval/$acl_libdirstem2"
additional_libdir3="$withval/$acl_libdirstem3"
fi
fi
])
if test "X$additional_libdir2" = "X$additional_libdir"; then
additional_libdir2=
fi
if test "X$additional_libdir3" = "X$additional_libdir"; then
additional_libdir3=
fi
dnl Search the library and its dependencies in $additional_libdir and
dnl $LDFLAGS. Use breadth-first search.
LIB[]NAME=
LTLIB[]NAME=
INC[]NAME=
LIB[]NAME[]_PREFIX=
dnl HAVE_LIB${NAME} is an indicator that LIB${NAME}, LTLIB${NAME} have been
dnl computed. So it has to be reset here.
HAVE_LIB[]NAME=
rpathdirs=
ltrpathdirs=
names_already_handled=
names_next_round='$1 $2'
while test -n "$names_next_round"; do
names_this_round="$names_next_round"
names_next_round=
for name in $names_this_round; do
already_handled=
for n in $names_already_handled; do
if test "$n" = "$name"; then
already_handled=yes
break
fi
done
if test -z "$already_handled"; then
names_already_handled="$names_already_handled $name"
dnl See if it was already located by an earlier AC_LIB_LINKFLAGS
dnl or AC_LIB_HAVE_LINKFLAGS call.
uppername=`echo "$name" | sed -e 'y|abcdefghijklmnopqrstuvwxyz./+-|ABCDEFGHIJKLMNOPQRSTUVWXYZ____|'`
eval value=\"\$HAVE_LIB$uppername\"
if test -n "$value"; then
if test "$value" = yes; then
eval value=\"\$LIB$uppername\"
test -z "$value" || LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$value"
eval value=\"\$LTLIB$uppername\"
test -z "$value" || LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$value"
else
dnl An earlier call to AC_LIB_HAVE_LINKFLAGS has determined
dnl that this library doesn't exist. So just drop it.
:
fi
else
dnl Search the library lib$name in $additional_libdir and $LDFLAGS
dnl and the already constructed $LIBNAME/$LTLIBNAME.
found_dir=
found_la=
found_so=
found_a=
eval libname=\"$acl_libname_spec\" # typically: libname=lib$name
if test -n "$acl_shlibext"; then
shrext=".$acl_shlibext" # typically: shrext=.so
else
shrext=
fi
if test $use_additional = yes; then
for additional_libdir_variable in additional_libdir additional_libdir2 additional_libdir3; do
if test "X$found_dir" = "X"; then
eval dir=\$$additional_libdir_variable
if test -n "$dir"; then
dnl The same code as in the loop below:
dnl First look for a shared library.
if test -n "$acl_shlibext"; then
if test -f "$dir/$libname$shrext" && acl_is_expected_elfclass < "$dir/$libname$shrext"; then
found_dir="$dir"
found_so="$dir/$libname$shrext"
else
if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then
ver=`(cd "$dir" && \
for f in "$libname$shrext".*; do echo "$f"; done \
| sed -e "s,^$libname$shrext\\\\.,," \
| sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \
| sed 1q ) 2>/dev/null`
if test -n "$ver" && test -f "$dir/$libname$shrext.$ver" && acl_is_expected_elfclass < "$dir/$libname$shrext.$ver"; then
found_dir="$dir"
found_so="$dir/$libname$shrext.$ver"
fi
else
eval library_names=\"$acl_library_names_spec\"
for f in $library_names; do
if test -f "$dir/$f" && acl_is_expected_elfclass < "$dir/$f"; then
found_dir="$dir"
found_so="$dir/$f"
break
fi
done
fi
fi
fi
dnl Then look for a static library.
if test "X$found_dir" = "X"; then
if test -f "$dir/$libname.$acl_libext" && ${AR-ar} -p "$dir/$libname.$acl_libext" | acl_is_expected_elfclass; then
found_dir="$dir"
found_a="$dir/$libname.$acl_libext"
fi
fi
if test "X$found_dir" != "X"; then
if test -f "$dir/$libname.la"; then
found_la="$dir/$libname.la"
fi
fi
fi
fi
done
fi
if test "X$found_dir" = "X"; then
for x in $LDFLAGS $LTLIB[]NAME; do
AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
case "$x" in
-L*)
dir=`echo "X$x" | sed -e 's/^X-L//'`
dnl First look for a shared library.
if test -n "$acl_shlibext"; then
if test -f "$dir/$libname$shrext" && acl_is_expected_elfclass < "$dir/$libname$shrext"; then
found_dir="$dir"
found_so="$dir/$libname$shrext"
else
if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then
ver=`(cd "$dir" && \
for f in "$libname$shrext".*; do echo "$f"; done \
| sed -e "s,^$libname$shrext\\\\.,," \
| sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \
| sed 1q ) 2>/dev/null`
if test -n "$ver" && test -f "$dir/$libname$shrext.$ver" && acl_is_expected_elfclass < "$dir/$libname$shrext.$ver"; then
found_dir="$dir"
found_so="$dir/$libname$shrext.$ver"
fi
else
eval library_names=\"$acl_library_names_spec\"
for f in $library_names; do
if test -f "$dir/$f" && acl_is_expected_elfclass < "$dir/$f"; then
found_dir="$dir"
found_so="$dir/$f"
break
fi
done
fi
fi
fi
dnl Then look for a static library.
if test "X$found_dir" = "X"; then
if test -f "$dir/$libname.$acl_libext" && ${AR-ar} -p "$dir/$libname.$acl_libext" | acl_is_expected_elfclass; then
found_dir="$dir"
found_a="$dir/$libname.$acl_libext"
fi
fi
if test "X$found_dir" != "X"; then
if test -f "$dir/$libname.la"; then
found_la="$dir/$libname.la"
fi
fi
;;
esac
if test "X$found_dir" != "X"; then
break
fi
done
fi
if test "X$found_dir" != "X"; then
dnl Found the library.
LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$found_dir -l$name"
if test "X$found_so" != "X"; then
dnl Linking with a shared library. We attempt to hardcode its
dnl directory into the executable's runpath, unless it's the
dnl standard /usr/lib.
if test "$enable_rpath" = no \
|| test "X$found_dir" = "X/usr/$acl_libdirstem" \
|| test "X$found_dir" = "X/usr/$acl_libdirstem2" \
|| test "X$found_dir" = "X/usr/$acl_libdirstem3"; then
dnl No hardcoding is needed.
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
else
dnl Use an explicit option to hardcode DIR into the resulting
dnl binary.
dnl Potentially add DIR to ltrpathdirs.
dnl The ltrpathdirs will be appended to $LTLIBNAME at the end.
haveit=
for x in $ltrpathdirs; do
if test "X$x" = "X$found_dir"; then
haveit=yes
break
fi
done
if test -z "$haveit"; then
ltrpathdirs="$ltrpathdirs $found_dir"
fi
dnl The hardcoding into $LIBNAME is system dependent.
if test "$acl_hardcode_direct" = yes; then
dnl Using DIR/libNAME.so during linking hardcodes DIR into the
dnl resulting binary.
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
else
if test -n "$acl_hardcode_libdir_flag_spec" && test "$acl_hardcode_minus_L" = no; then
dnl Use an explicit option to hardcode DIR into the resulting
dnl binary.
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
dnl Potentially add DIR to rpathdirs.
dnl The rpathdirs will be appended to $LIBNAME at the end.
haveit=
for x in $rpathdirs; do
if test "X$x" = "X$found_dir"; then
haveit=yes
break
fi
done
if test -z "$haveit"; then
rpathdirs="$rpathdirs $found_dir"
fi
else
dnl Rely on "-L$found_dir".
dnl But don't add it if it's already contained in the LDFLAGS
dnl or the already constructed $LIBNAME
haveit=
for x in $LDFLAGS $LIB[]NAME; do
AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
if test "X$x" = "X-L$found_dir"; then
haveit=yes
break
fi
done
if test -z "$haveit"; then
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir"
fi
if test "$acl_hardcode_minus_L" != no; then
dnl FIXME: Not sure whether we should use
dnl "-L$found_dir -l$name" or "-L$found_dir $found_so"
dnl here.
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
else
dnl We cannot use $acl_hardcode_runpath_var and LD_RUN_PATH
dnl here, because this doesn't fit in flags passed to the
dnl compiler. So give up. No hardcoding. This affects only
dnl very old systems.
dnl FIXME: Not sure whether we should use
dnl "-L$found_dir -l$name" or "-L$found_dir $found_so"
dnl here.
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name"
fi
fi
fi
fi
else
if test "X$found_a" != "X"; then
dnl Linking with a static library.
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_a"
else
dnl We shouldn't come here, but anyway it's good to have a
dnl fallback.
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir -l$name"
fi
fi
dnl Assume the include files are nearby.
additional_includedir=
case "$found_dir" in
*/$acl_libdirstem | */$acl_libdirstem/)
basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem/"'*$,,'`
if test "$name" = '$1'; then
LIB[]NAME[]_PREFIX="$basedir"
fi
additional_includedir="$basedir/include"
;;
*/$acl_libdirstem2 | */$acl_libdirstem2/)
basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem2/"'*$,,'`
if test "$name" = '$1'; then
LIB[]NAME[]_PREFIX="$basedir"
fi
additional_includedir="$basedir/include"
;;
*/$acl_libdirstem3 | */$acl_libdirstem3/)
basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem3/"'*$,,'`
if test "$name" = '$1'; then
LIB[]NAME[]_PREFIX="$basedir"
fi
additional_includedir="$basedir/include"
;;
esac
if test "X$additional_includedir" != "X"; then
dnl Potentially add $additional_includedir to $INCNAME.
dnl But don't add it
dnl 1. if it's the standard /usr/include,
dnl 2. if it's /usr/local/include and we are using GCC on Linux,
dnl 3. if it's already present in $CPPFLAGS or the already
dnl constructed $INCNAME,
dnl 4. if it doesn't exist as a directory.
if test "X$additional_includedir" != "X/usr/include"; then
haveit=
if test "X$additional_includedir" = "X/usr/local/include"; then
if test -n "$GCC"; then
case $host_os in
linux* | gnu* | k*bsd*-gnu) haveit=yes;;
esac
fi
fi
if test -z "$haveit"; then
for x in $CPPFLAGS $INC[]NAME; do
AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
if test "X$x" = "X-I$additional_includedir"; then
haveit=yes
break
fi
done
if test -z "$haveit"; then
if test -d "$additional_includedir"; then
dnl Really add $additional_includedir to $INCNAME.
INC[]NAME="${INC[]NAME}${INC[]NAME:+ }-I$additional_includedir"
fi
fi
fi
fi
fi
dnl Look for dependencies.
if test -n "$found_la"; then
dnl Read the .la file. It defines the variables
dnl dlname, library_names, old_library, dependency_libs, current,
dnl age, revision, installed, dlopen, dlpreopen, libdir.
saved_libdir="$libdir"
case "$found_la" in
*/* | *\\*) . "$found_la" ;;
*) . "./$found_la" ;;
esac
libdir="$saved_libdir"
dnl We use only dependency_libs.
for dep in $dependency_libs; do
case "$dep" in
-L*)
dependency_libdir=`echo "X$dep" | sed -e 's/^X-L//'`
dnl Potentially add $dependency_libdir to $LIBNAME and $LTLIBNAME.
dnl But don't add it
dnl 1. if it's the standard /usr/lib,
dnl 2. if it's /usr/local/lib and we are using GCC on Linux,
dnl 3. if it's already present in $LDFLAGS or the already
dnl constructed $LIBNAME,
dnl 4. if it doesn't exist as a directory.
if test "X$dependency_libdir" != "X/usr/$acl_libdirstem" \
&& test "X$dependency_libdir" != "X/usr/$acl_libdirstem2" \
&& test "X$dependency_libdir" != "X/usr/$acl_libdirstem3"; then
haveit=
if test "X$dependency_libdir" = "X/usr/local/$acl_libdirstem" \
|| test "X$dependency_libdir" = "X/usr/local/$acl_libdirstem2" \
|| test "X$dependency_libdir" = "X/usr/local/$acl_libdirstem3"; then
if test -n "$GCC"; then
case $host_os in
linux* | gnu* | k*bsd*-gnu) haveit=yes;;
esac
fi
fi
if test -z "$haveit"; then
haveit=
for x in $LDFLAGS $LIB[]NAME; do
AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
if test "X$x" = "X-L$dependency_libdir"; then
haveit=yes
break
fi
done
if test -z "$haveit"; then
if test -d "$dependency_libdir"; then
dnl Really add $dependency_libdir to $LIBNAME.
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$dependency_libdir"
fi
fi
haveit=
for x in $LDFLAGS $LTLIB[]NAME; do
AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
if test "X$x" = "X-L$dependency_libdir"; then
haveit=yes
break
fi
done
if test -z "$haveit"; then
if test -d "$dependency_libdir"; then
dnl Really add $dependency_libdir to $LTLIBNAME.
LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$dependency_libdir"
fi
fi
fi
fi
;;
-R*)
dir=`echo "X$dep" | sed -e 's/^X-R//'`
if test "$enable_rpath" != no; then
dnl Potentially add DIR to rpathdirs.
dnl The rpathdirs will be appended to $LIBNAME at the end.
haveit=
for x in $rpathdirs; do
if test "X$x" = "X$dir"; then
haveit=yes
break
fi
done
if test -z "$haveit"; then
rpathdirs="$rpathdirs $dir"
fi
dnl Potentially add DIR to ltrpathdirs.
dnl The ltrpathdirs will be appended to $LTLIBNAME at the end.
haveit=
for x in $ltrpathdirs; do
if test "X$x" = "X$dir"; then
haveit=yes
break
fi
done
if test -z "$haveit"; then
ltrpathdirs="$ltrpathdirs $dir"
fi
fi
;;
-l*)
dnl Handle this in the next round.
dnl But on GNU systems, ignore -lc options, because
dnl - linking with libc is the default anyway,
dnl - linking with libc.a may produce an error
dnl "/usr/bin/ld: dynamic STT_GNU_IFUNC symbol `strcmp' with pointer equality in `/usr/lib/libc.a(strcmp.o)' can not be used when making an executable; recompile with -fPIE and relink with -pie"
dnl or may produce an executable that always crashes, see
dnl <https://lists.gnu.org/archive/html/grep-devel/2020-09/msg00052.html>.
dep=`echo "X$dep" | sed -e 's/^X-l//'`
if test "X$dep" != Xc \
|| case $host_os in
linux* | gnu* | k*bsd*-gnu) false ;;
*) true ;;
esac; then
names_next_round="$names_next_round $dep"
fi
;;
*.la)
dnl Handle this in the next round. Throw away the .la's
dnl directory; it is already contained in a preceding -L
dnl option.
names_next_round="$names_next_round "`echo "X$dep" | sed -e 's,^X.*/,,' -e 's,^lib,,' -e 's,\.la$,,'`
;;
*)
dnl Most likely an immediate library name.
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$dep"
LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$dep"
;;
esac
done
fi
else
dnl Didn't find the library; assume it is in the system directories
dnl known to the linker and runtime loader. (All the system
dnl directories known to the linker should also be known to the
dnl runtime loader, otherwise the system is severely misconfigured.)
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name"
LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-l$name"
fi
fi
fi
done
done
if test "X$rpathdirs" != "X"; then
if test -n "$acl_hardcode_libdir_separator"; then
dnl Weird platform: only the last -rpath option counts, the user must
dnl pass all path elements in one option. We can arrange that for a
dnl single library, but not when more than one $LIBNAMEs are used.
alldirs=
for found_dir in $rpathdirs; do
alldirs="${alldirs}${alldirs:+$acl_hardcode_libdir_separator}$found_dir"
done
dnl Note: acl_hardcode_libdir_flag_spec uses $libdir and $wl.
acl_saved_libdir="$libdir"
libdir="$alldirs"
eval flag=\"$acl_hardcode_libdir_flag_spec\"
libdir="$acl_saved_libdir"
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag"
else
dnl The -rpath options are cumulative.
for found_dir in $rpathdirs; do
acl_saved_libdir="$libdir"
libdir="$found_dir"
eval flag=\"$acl_hardcode_libdir_flag_spec\"
libdir="$acl_saved_libdir"
LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag"
done
fi
fi
if test "X$ltrpathdirs" != "X"; then
dnl When using libtool, the option that works for both libraries and
dnl executables is -R. The -R options are cumulative.
for found_dir in $ltrpathdirs; do
LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-R$found_dir"
done
fi
popdef([PACKLIBS])
popdef([PACKUP])
popdef([PACK])
popdef([NAME])
])
dnl AC_LIB_APPENDTOVAR(VAR, CONTENTS) appends the elements of CONTENTS to VAR,
dnl unless already present in VAR.
dnl Works only for CPPFLAGS, not for LIB* variables because that sometimes
dnl contains two or three consecutive elements that belong together.
AC_DEFUN([AC_LIB_APPENDTOVAR],
[
for element in [$2]; do
haveit=
for x in $[$1]; do
AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
if test "X$x" = "X$element"; then
haveit=yes
break
fi
done
if test -z "$haveit"; then
[$1]="${[$1]}${[$1]:+ }$element"
fi
done
])
dnl For those cases where a variable contains several -L and -l options
dnl referring to unknown libraries and directories, this macro determines the
dnl necessary additional linker options for the runtime path.
dnl AC_LIB_LINKFLAGS_FROM_LIBS([LDADDVAR], [LIBSVALUE], [USE-LIBTOOL])
dnl sets LDADDVAR to linker options needed together with LIBSVALUE.
dnl If USE-LIBTOOL evaluates to non-empty, linking with libtool is assumed,
dnl otherwise linking without libtool is assumed.
AC_DEFUN([AC_LIB_LINKFLAGS_FROM_LIBS],
[
AC_REQUIRE([AC_LIB_RPATH])
AC_REQUIRE([AC_LIB_PREPARE_MULTILIB])
$1=
if test "$enable_rpath" != no; then
if test -n "$acl_hardcode_libdir_flag_spec" && test "$acl_hardcode_minus_L" = no; then
dnl Use an explicit option to hardcode directories into the resulting
dnl binary.
rpathdirs=
next=
for opt in $2; do
if test -n "$next"; then
dir="$next"
dnl No need to hardcode the standard /usr/lib.
if test "X$dir" != "X/usr/$acl_libdirstem" \
&& test "X$dir" != "X/usr/$acl_libdirstem2" \
&& test "X$dir" != "X/usr/$acl_libdirstem3"; then
rpathdirs="$rpathdirs $dir"
fi
next=
else
case $opt in
-L) next=yes ;;
-L*) dir=`echo "X$opt" | sed -e 's,^X-L,,'`
dnl No need to hardcode the standard /usr/lib.
if test "X$dir" != "X/usr/$acl_libdirstem" \
&& test "X$dir" != "X/usr/$acl_libdirstem2" \
&& test "X$dir" != "X/usr/$acl_libdirstem3"; then
rpathdirs="$rpathdirs $dir"
fi
next= ;;
*) next= ;;
esac
fi
done
if test "X$rpathdirs" != "X"; then
if test -n ""$3""; then
dnl libtool is used for linking. Use -R options.
for dir in $rpathdirs; do
$1="${$1}${$1:+ }-R$dir"
done
else
dnl The linker is used for linking directly.
if test -n "$acl_hardcode_libdir_separator"; then
dnl Weird platform: only the last -rpath option counts, the user
dnl must pass all path elements in one option.
alldirs=
for dir in $rpathdirs; do
alldirs="${alldirs}${alldirs:+$acl_hardcode_libdir_separator}$dir"
done
acl_saved_libdir="$libdir"
libdir="$alldirs"
eval flag=\"$acl_hardcode_libdir_flag_spec\"
libdir="$acl_saved_libdir"
$1="$flag"
else
dnl The -rpath options are cumulative.
for dir in $rpathdirs; do
acl_saved_libdir="$libdir"
libdir="$dir"
eval flag=\"$acl_hardcode_libdir_flag_spec\"
libdir="$acl_saved_libdir"
$1="${$1}${$1:+ }$flag"
done
fi
fi
fi
fi
fi
AC_SUBST([$1])
])

332
src/dependencies/xz-5.6.2/m4/lib-prefix.m4 Normal file
View file

@ -0,0 +1,332 @@
# lib-prefix.m4 serial 22
dnl Copyright (C) 2001-2005, 2008-2024 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl From Bruno Haible.
dnl AC_LIB_PREFIX adds to the CPPFLAGS and LDFLAGS the flags that are needed
dnl to access previously installed libraries. The basic assumption is that
dnl a user will want packages to use other packages he previously installed
dnl with the same --prefix option.
dnl This macro is not needed if only AC_LIB_LINKFLAGS is used to locate
dnl libraries, but is otherwise very convenient.
AC_DEFUN([AC_LIB_PREFIX],
[
AC_BEFORE([$0], [AC_LIB_LINKFLAGS])
AC_REQUIRE([AC_PROG_CC])
AC_REQUIRE([AC_CANONICAL_HOST])
AC_REQUIRE([AC_LIB_PREPARE_MULTILIB])
AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
dnl By default, look in $includedir and $libdir.
use_additional=yes
AC_LIB_WITH_FINAL_PREFIX([
eval additional_includedir=\"$includedir\"
eval additional_libdir=\"$libdir\"
])
AC_ARG_WITH([lib-prefix],
[[ --with-lib-prefix[=DIR] search for libraries in DIR/include and DIR/lib
--without-lib-prefix don't search for libraries in includedir and libdir]],
[
if test "X$withval" = "Xno"; then
use_additional=no
else
if test "X$withval" = "X"; then
AC_LIB_WITH_FINAL_PREFIX([
eval additional_includedir=\"$includedir\"
eval additional_libdir=\"$libdir\"
])
else
additional_includedir="$withval/include"
additional_libdir="$withval/$acl_libdirstem"
fi
fi
])
if test $use_additional = yes; then
dnl Potentially add $additional_includedir to $CPPFLAGS.
dnl But don't add it
dnl 1. if it's the standard /usr/include,
dnl 2. if it's already present in $CPPFLAGS,
dnl 3. if it's /usr/local/include and we are using GCC on Linux,
dnl 4. if it doesn't exist as a directory.
if test "X$additional_includedir" != "X/usr/include"; then
haveit=
for x in $CPPFLAGS; do
AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
if test "X$x" = "X-I$additional_includedir"; then
haveit=yes
break
fi
done
if test -z "$haveit"; then
if test "X$additional_includedir" = "X/usr/local/include"; then
if test -n "$GCC"; then
case $host_os in
linux* | gnu* | k*bsd*-gnu) haveit=yes;;
esac
fi
fi
if test -z "$haveit"; then
if test -d "$additional_includedir"; then
dnl Really add $additional_includedir to $CPPFLAGS.
CPPFLAGS="${CPPFLAGS}${CPPFLAGS:+ }-I$additional_includedir"
fi
fi
fi
fi
dnl Potentially add $additional_libdir to $LDFLAGS.
dnl But don't add it
dnl 1. if it's the standard /usr/lib,
dnl 2. if it's already present in $LDFLAGS,
dnl 3. if it's /usr/local/lib and we are using GCC on Linux,
dnl 4. if it doesn't exist as a directory.
if test "X$additional_libdir" != "X/usr/$acl_libdirstem"; then
haveit=
for x in $LDFLAGS; do
AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
if test "X$x" = "X-L$additional_libdir"; then
haveit=yes
break
fi
done
if test -z "$haveit"; then
if test "X$additional_libdir" = "X/usr/local/$acl_libdirstem"; then
if test -n "$GCC"; then
case $host_os in
linux*) haveit=yes;;
esac
fi
fi
if test -z "$haveit"; then
if test -d "$additional_libdir"; then
dnl Really add $additional_libdir to $LDFLAGS.
LDFLAGS="${LDFLAGS}${LDFLAGS:+ }-L$additional_libdir"
fi
fi
fi
fi
fi
])
dnl AC_LIB_PREPARE_PREFIX creates variables acl_final_prefix,
dnl acl_final_exec_prefix, containing the values to which $prefix and
dnl $exec_prefix will expand at the end of the configure script.
AC_DEFUN([AC_LIB_PREPARE_PREFIX],
[
dnl Unfortunately, prefix and exec_prefix get only finally determined
dnl at the end of configure.
if test "X$prefix" = "XNONE"; then
acl_final_prefix="$ac_default_prefix"
else
acl_final_prefix="$prefix"
fi
if test "X$exec_prefix" = "XNONE"; then
acl_final_exec_prefix='${prefix}'
else
acl_final_exec_prefix="$exec_prefix"
fi
acl_saved_prefix="$prefix"
prefix="$acl_final_prefix"
eval acl_final_exec_prefix=\"$acl_final_exec_prefix\"
prefix="$acl_saved_prefix"
])
dnl AC_LIB_WITH_FINAL_PREFIX([statement]) evaluates statement, with the
dnl variables prefix and exec_prefix bound to the values they will have
dnl at the end of the configure script.
AC_DEFUN([AC_LIB_WITH_FINAL_PREFIX],
[
acl_saved_prefix="$prefix"
prefix="$acl_final_prefix"
acl_saved_exec_prefix="$exec_prefix"
exec_prefix="$acl_final_exec_prefix"
$1
exec_prefix="$acl_saved_exec_prefix"
prefix="$acl_saved_prefix"
])
dnl AC_LIB_PREPARE_MULTILIB creates
dnl - a function acl_is_expected_elfclass, that tests whether standard input
dn; has a 32-bit or 64-bit ELF header, depending on the host CPU ABI,
dnl - 3 variables acl_libdirstem, acl_libdirstem2, acl_libdirstem3, containing
dnl the basename of the libdir to try in turn, either "lib" or "lib64" or
dnl "lib/64" or "lib32" or "lib/sparcv9" or "lib/amd64" or similar.
AC_DEFUN([AC_LIB_PREPARE_MULTILIB],
[
dnl There is no formal standard regarding lib, lib32, and lib64.
dnl On most glibc systems, the current practice is that on a system supporting
dnl 32-bit and 64-bit instruction sets or ABIs, 64-bit libraries go under
dnl $prefix/lib64 and 32-bit libraries go under $prefix/lib. However, on
dnl Arch Linux based distributions, it's the opposite: 32-bit libraries go
dnl under $prefix/lib32 and 64-bit libraries go under $prefix/lib.
dnl We determine the compiler's default mode by looking at the compiler's
dnl library search path. If at least one of its elements ends in /lib64 or
dnl points to a directory whose absolute pathname ends in /lib64, we use that
dnl for 64-bit ABIs. Similarly for 32-bit ABIs. Otherwise we use the default,
dnl namely "lib".
dnl On Solaris systems, the current practice is that on a system supporting
dnl 32-bit and 64-bit instruction sets or ABIs, 64-bit libraries go under
dnl $prefix/lib/64 (which is a symlink to either $prefix/lib/sparcv9 or
dnl $prefix/lib/amd64) and 32-bit libraries go under $prefix/lib.
AC_REQUIRE([AC_CANONICAL_HOST])
AC_REQUIRE([gl_HOST_CPU_C_ABI_32BIT])
AC_CACHE_CHECK([for ELF binary format], [gl_cv_elf],
[AC_EGREP_CPP([Extensible Linking Format],
[#if defined __ELF__ || (defined __linux__ && defined __EDG__)
Extensible Linking Format
#endif
],
[gl_cv_elf=yes],
[gl_cv_elf=no])
])
if test $gl_cv_elf = yes; then
# Extract the ELF class of a file (5th byte) in decimal.
# Cf. https://en.wikipedia.org/wiki/Executable_and_Linkable_Format#File_header
if od -A x < /dev/null >/dev/null 2>/dev/null; then
# Use POSIX od.
func_elfclass ()
{
od -A n -t d1 -j 4 -N 1
}
else
# Use BSD hexdump.
func_elfclass ()
{
dd bs=1 count=1 skip=4 2>/dev/null | hexdump -e '1/1 "%3d "'
echo
}
fi
# Use 'expr', not 'test', to compare the values of func_elfclass, because on
# Solaris 11 OpenIndiana and Solaris 11 OmniOS, the result is 001 or 002,
# not 1 or 2.
changequote(,)dnl
case $HOST_CPU_C_ABI_32BIT in
yes)
# 32-bit ABI.
acl_is_expected_elfclass ()
{
expr "`func_elfclass | sed -e 's/[ ]//g'`" = 1 > /dev/null
}
;;
no)
# 64-bit ABI.
acl_is_expected_elfclass ()
{
expr "`func_elfclass | sed -e 's/[ ]//g'`" = 2 > /dev/null
}
;;
*)
# Unknown.
acl_is_expected_elfclass ()
{
:
}
;;
esac
changequote([,])dnl
else
acl_is_expected_elfclass ()
{
:
}
fi
dnl Allow the user to override the result by setting acl_cv_libdirstems.
AC_CACHE_CHECK([for the common suffixes of directories in the library search path],
[acl_cv_libdirstems],
[dnl Try 'lib' first, because that's the default for libdir in GNU, see
dnl <https://www.gnu.org/prep/standards/html_node/Directory-Variables.html>.
acl_libdirstem=lib
acl_libdirstem2=
acl_libdirstem3=
case "$host_os" in
solaris*)
dnl See Solaris 10 Software Developer Collection > Solaris 64-bit Developer's Guide > The Development Environment
dnl <https://docs.oracle.com/cd/E19253-01/816-5138/dev-env/index.html>.
dnl "Portable Makefiles should refer to any library directories using the 64 symbolic link."
dnl But we want to recognize the sparcv9 or amd64 subdirectory also if the
dnl symlink is missing, so we set acl_libdirstem2 too.
if test $HOST_CPU_C_ABI_32BIT = no; then
acl_libdirstem2=lib/64
case "$host_cpu" in
sparc*) acl_libdirstem3=lib/sparcv9 ;;
i*86 | x86_64) acl_libdirstem3=lib/amd64 ;;
esac
fi
;;
netbsd*)
dnl On NetBSD/sparc64, there is a 'sparc' subdirectory that contains
dnl 32-bit libraries.
if test $HOST_CPU_C_ABI_32BIT != no; then
case "$host_cpu" in
sparc*) acl_libdirstem2=lib/sparc ;;
esac
fi
;;
*)
dnl If $CC generates code for a 32-bit ABI, the libraries are
dnl surely under $prefix/lib or $prefix/lib32, not $prefix/lib64.
dnl Similarly, if $CC generates code for a 64-bit ABI, the libraries
dnl are surely under $prefix/lib or $prefix/lib64, not $prefix/lib32.
dnl Find the compiler's search path. However, non-system compilers
dnl sometimes have odd library search paths. But we can't simply invoke
dnl '/usr/bin/gcc -print-search-dirs' because that would not take into
dnl account the -m32/-m31 or -m64 options from the $CC or $CFLAGS.
searchpath=`(LC_ALL=C $CC $CPPFLAGS $CFLAGS -print-search-dirs) 2>/dev/null \
| sed -n -e 's,^libraries: ,,p' | sed -e 's,^=,,'`
if test $HOST_CPU_C_ABI_32BIT != no; then
# 32-bit or unknown ABI.
if test -d /usr/lib32; then
acl_libdirstem2=lib32
fi
fi
if test $HOST_CPU_C_ABI_32BIT != yes; then
# 64-bit or unknown ABI.
if test -d /usr/lib64; then
acl_libdirstem3=lib64
fi
fi
if test -n "$searchpath"; then
acl_saved_IFS="${IFS= }"; IFS=":"
for searchdir in $searchpath; do
if test -d "$searchdir"; then
case "$searchdir" in
*/lib32/ | */lib32 ) acl_libdirstem2=lib32 ;;
*/lib64/ | */lib64 ) acl_libdirstem3=lib64 ;;
*/../ | */.. )
# Better ignore directories of this form. They are misleading.
;;
*) searchdir=`cd "$searchdir" && pwd`
case "$searchdir" in
*/lib32 ) acl_libdirstem2=lib32 ;;
*/lib64 ) acl_libdirstem3=lib64 ;;
esac ;;
esac
fi
done
IFS="$acl_saved_IFS"
if test $HOST_CPU_C_ABI_32BIT = yes; then
# 32-bit ABI.
acl_libdirstem3=
fi
if test $HOST_CPU_C_ABI_32BIT = no; then
# 64-bit ABI.
acl_libdirstem2=
fi
fi
;;
esac
test -n "$acl_libdirstem2" || acl_libdirstem2="$acl_libdirstem"
test -n "$acl_libdirstem3" || acl_libdirstem3="$acl_libdirstem"
acl_cv_libdirstems="$acl_libdirstem,$acl_libdirstem2,$acl_libdirstem3"
])
dnl Decompose acl_cv_libdirstems into acl_libdirstem, acl_libdirstem2, and
dnl acl_libdirstem3.
changequote(,)dnl
acl_libdirstem=`echo "$acl_cv_libdirstems" | sed -e 's/,.*//'`
acl_libdirstem2=`echo "$acl_cv_libdirstems" | sed -e 's/^[^,]*,//' -e 's/,.*//'`
acl_libdirstem3=`echo "$acl_cv_libdirstems" | sed -e 's/^[^,]*,[^,]*,//' -e 's/,.*//'`
changequote([,])dnl
])

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# Helper functions for option handling. -*- Autoconf -*-
#
# Copyright (C) 2004-2005, 2007-2009, 2011-2019, 2021-2024 Free
# Software Foundation, Inc.
# Written by Gary V. Vaughan, 2004
#
# This file is free software; the Free Software Foundation gives
# unlimited permission to copy and/or distribute it, with or without
# modifications, as long as this notice is preserved.
# serial 9 ltoptions.m4
# This is to help aclocal find these macros, as it can't see m4_define.
AC_DEFUN([LTOPTIONS_VERSION], [m4_if([1])])
# _LT_MANGLE_OPTION(MACRO-NAME, OPTION-NAME)
# ------------------------------------------
m4_define([_LT_MANGLE_OPTION],
[[_LT_OPTION_]m4_bpatsubst($1__$2, [[^a-zA-Z0-9_]], [_])])
# _LT_SET_OPTION(MACRO-NAME, OPTION-NAME)
# ---------------------------------------
# Set option OPTION-NAME for macro MACRO-NAME, and if there is a
# matching handler defined, dispatch to it. Other OPTION-NAMEs are
# saved as a flag.
m4_define([_LT_SET_OPTION],
[m4_define(_LT_MANGLE_OPTION([$1], [$2]))dnl
m4_ifdef(_LT_MANGLE_DEFUN([$1], [$2]),
_LT_MANGLE_DEFUN([$1], [$2]),
[m4_warning([Unknown $1 option '$2'])])[]dnl
])
# _LT_IF_OPTION(MACRO-NAME, OPTION-NAME, IF-SET, [IF-NOT-SET])
# ------------------------------------------------------------
# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
m4_define([_LT_IF_OPTION],
[m4_ifdef(_LT_MANGLE_OPTION([$1], [$2]), [$3], [$4])])
# _LT_UNLESS_OPTIONS(MACRO-NAME, OPTION-LIST, IF-NOT-SET)
# -------------------------------------------------------
# Execute IF-NOT-SET unless all options in OPTION-LIST for MACRO-NAME
# are set.
m4_define([_LT_UNLESS_OPTIONS],
[m4_foreach([_LT_Option], m4_split(m4_normalize([$2])),
[m4_ifdef(_LT_MANGLE_OPTION([$1], _LT_Option),
[m4_define([$0_found])])])[]dnl
m4_ifdef([$0_found], [m4_undefine([$0_found])], [$3
])[]dnl
])
# _LT_SET_OPTIONS(MACRO-NAME, OPTION-LIST)
# ----------------------------------------
# OPTION-LIST is a space-separated list of Libtool options associated
# with MACRO-NAME. If any OPTION has a matching handler declared with
# LT_OPTION_DEFINE, dispatch to that macro; otherwise complain about
# the unknown option and exit.
m4_defun([_LT_SET_OPTIONS],
[# Set options
m4_foreach([_LT_Option], m4_split(m4_normalize([$2])),
[_LT_SET_OPTION([$1], _LT_Option)])
m4_if([$1],[LT_INIT],[
dnl
dnl Simply set some default values (i.e off) if boolean options were not
dnl specified:
_LT_UNLESS_OPTIONS([LT_INIT], [dlopen], [enable_dlopen=no
])
_LT_UNLESS_OPTIONS([LT_INIT], [win32-dll], [enable_win32_dll=no
])
dnl
dnl If no reference was made to various pairs of opposing options, then
dnl we run the default mode handler for the pair. For example, if neither
dnl 'shared' nor 'disable-shared' was passed, we enable building of shared
dnl archives by default:
_LT_UNLESS_OPTIONS([LT_INIT], [shared disable-shared], [_LT_ENABLE_SHARED])
_LT_UNLESS_OPTIONS([LT_INIT], [static disable-static], [_LT_ENABLE_STATIC])
_LT_UNLESS_OPTIONS([LT_INIT], [pic-only no-pic], [_LT_WITH_PIC])
_LT_UNLESS_OPTIONS([LT_INIT], [fast-install disable-fast-install],
[_LT_ENABLE_FAST_INSTALL])
_LT_UNLESS_OPTIONS([LT_INIT], [aix-soname=aix aix-soname=both aix-soname=svr4],
[_LT_WITH_AIX_SONAME([aix])])
])
])# _LT_SET_OPTIONS
## --------------------------------- ##
## Macros to handle LT_INIT options. ##
## --------------------------------- ##
# _LT_MANGLE_DEFUN(MACRO-NAME, OPTION-NAME)
# -----------------------------------------
m4_define([_LT_MANGLE_DEFUN],
[[_LT_OPTION_DEFUN_]m4_bpatsubst(m4_toupper([$1__$2]), [[^A-Z0-9_]], [_])])
# LT_OPTION_DEFINE(MACRO-NAME, OPTION-NAME, CODE)
# -----------------------------------------------
m4_define([LT_OPTION_DEFINE],
[m4_define(_LT_MANGLE_DEFUN([$1], [$2]), [$3])[]dnl
])# LT_OPTION_DEFINE
# dlopen
# ------
LT_OPTION_DEFINE([LT_INIT], [dlopen], [enable_dlopen=yes
])
AU_DEFUN([AC_LIBTOOL_DLOPEN],
[_LT_SET_OPTION([LT_INIT], [dlopen])
AC_DIAGNOSE([obsolete],
[$0: Remove this warning and the call to _LT_SET_OPTION when you
put the 'dlopen' option into LT_INIT's first parameter.])
])
dnl aclocal-1.4 backwards compatibility:
dnl AC_DEFUN([AC_LIBTOOL_DLOPEN], [])
# win32-dll
# ---------
# Declare package support for building win32 dll's.
LT_OPTION_DEFINE([LT_INIT], [win32-dll],
[enable_win32_dll=yes
case $host in
*-*-cygwin* | *-*-mingw* | *-*-windows* | *-*-pw32* | *-*-cegcc*)
AC_CHECK_TOOL(AS, as, false)
AC_CHECK_TOOL(DLLTOOL, dlltool, false)
AC_CHECK_TOOL(OBJDUMP, objdump, false)
;;
esac
test -z "$AS" && AS=as
_LT_DECL([], [AS], [1], [Assembler program])dnl
test -z "$DLLTOOL" && DLLTOOL=dlltool
_LT_DECL([], [DLLTOOL], [1], [DLL creation program])dnl
test -z "$OBJDUMP" && OBJDUMP=objdump
_LT_DECL([], [OBJDUMP], [1], [Object dumper program])dnl
])# win32-dll
AU_DEFUN([AC_LIBTOOL_WIN32_DLL],
[AC_REQUIRE([AC_CANONICAL_HOST])dnl
_LT_SET_OPTION([LT_INIT], [win32-dll])
AC_DIAGNOSE([obsolete],
[$0: Remove this warning and the call to _LT_SET_OPTION when you
put the 'win32-dll' option into LT_INIT's first parameter.])
])
dnl aclocal-1.4 backwards compatibility:
dnl AC_DEFUN([AC_LIBTOOL_WIN32_DLL], [])
# _LT_ENABLE_SHARED([DEFAULT])
# ----------------------------
# implement the --enable-shared flag, and supports the 'shared' and
# 'disable-shared' LT_INIT options.
# DEFAULT is either 'yes' or 'no'. If omitted, it defaults to 'yes'.
m4_define([_LT_ENABLE_SHARED],
[m4_define([_LT_ENABLE_SHARED_DEFAULT], [m4_if($1, no, no, yes)])dnl
AC_ARG_ENABLE([shared],
[AS_HELP_STRING([--enable-shared@<:@=PKGS@:>@],
[build shared libraries @<:@default=]_LT_ENABLE_SHARED_DEFAULT[@:>@])],
[p=${PACKAGE-default}
case $enableval in
yes) enable_shared=yes ;;
no) enable_shared=no ;;
*)
enable_shared=no
# Look at the argument we got. We use all the common list separators.
lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
for pkg in $enableval; do
IFS=$lt_save_ifs
if test "X$pkg" = "X$p"; then
enable_shared=yes
fi
done
IFS=$lt_save_ifs
;;
esac],
[enable_shared=]_LT_ENABLE_SHARED_DEFAULT)
_LT_DECL([build_libtool_libs], [enable_shared], [0],
[Whether or not to build shared libraries])
])# _LT_ENABLE_SHARED
LT_OPTION_DEFINE([LT_INIT], [shared], [_LT_ENABLE_SHARED([yes])])
LT_OPTION_DEFINE([LT_INIT], [disable-shared], [_LT_ENABLE_SHARED([no])])
# Old names:
AC_DEFUN([AC_ENABLE_SHARED],
[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[shared])
])
AC_DEFUN([AC_DISABLE_SHARED],
[_LT_SET_OPTION([LT_INIT], [disable-shared])
])
AU_DEFUN([AM_ENABLE_SHARED], [AC_ENABLE_SHARED($@)])
AU_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)])
dnl aclocal-1.4 backwards compatibility:
dnl AC_DEFUN([AM_ENABLE_SHARED], [])
dnl AC_DEFUN([AM_DISABLE_SHARED], [])
# _LT_ENABLE_STATIC([DEFAULT])
# ----------------------------
# implement the --enable-static flag, and support the 'static' and
# 'disable-static' LT_INIT options.
# DEFAULT is either 'yes' or 'no'. If omitted, it defaults to 'yes'.
m4_define([_LT_ENABLE_STATIC],
[m4_define([_LT_ENABLE_STATIC_DEFAULT], [m4_if($1, no, no, yes)])dnl
AC_ARG_ENABLE([static],
[AS_HELP_STRING([--enable-static@<:@=PKGS@:>@],
[build static libraries @<:@default=]_LT_ENABLE_STATIC_DEFAULT[@:>@])],
[p=${PACKAGE-default}
case $enableval in
yes) enable_static=yes ;;
no) enable_static=no ;;
*)
enable_static=no
# Look at the argument we got. We use all the common list separators.
lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
for pkg in $enableval; do
IFS=$lt_save_ifs
if test "X$pkg" = "X$p"; then
enable_static=yes
fi
done
IFS=$lt_save_ifs
;;
esac],
[enable_static=]_LT_ENABLE_STATIC_DEFAULT)
_LT_DECL([build_old_libs], [enable_static], [0],
[Whether or not to build static libraries])
])# _LT_ENABLE_STATIC
LT_OPTION_DEFINE([LT_INIT], [static], [_LT_ENABLE_STATIC([yes])])
LT_OPTION_DEFINE([LT_INIT], [disable-static], [_LT_ENABLE_STATIC([no])])
# Old names:
AC_DEFUN([AC_ENABLE_STATIC],
[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[static])
])
AC_DEFUN([AC_DISABLE_STATIC],
[_LT_SET_OPTION([LT_INIT], [disable-static])
])
AU_DEFUN([AM_ENABLE_STATIC], [AC_ENABLE_STATIC($@)])
AU_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)])
dnl aclocal-1.4 backwards compatibility:
dnl AC_DEFUN([AM_ENABLE_STATIC], [])
dnl AC_DEFUN([AM_DISABLE_STATIC], [])
# _LT_ENABLE_FAST_INSTALL([DEFAULT])
# ----------------------------------
# implement the --enable-fast-install flag, and support the 'fast-install'
# and 'disable-fast-install' LT_INIT options.
# DEFAULT is either 'yes' or 'no'. If omitted, it defaults to 'yes'.
m4_define([_LT_ENABLE_FAST_INSTALL],
[m4_define([_LT_ENABLE_FAST_INSTALL_DEFAULT], [m4_if($1, no, no, yes)])dnl
AC_ARG_ENABLE([fast-install],
[AS_HELP_STRING([--enable-fast-install@<:@=PKGS@:>@],
[optimize for fast installation @<:@default=]_LT_ENABLE_FAST_INSTALL_DEFAULT[@:>@])],
[p=${PACKAGE-default}
case $enableval in
yes) enable_fast_install=yes ;;
no) enable_fast_install=no ;;
*)
enable_fast_install=no
# Look at the argument we got. We use all the common list separators.
lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
for pkg in $enableval; do
IFS=$lt_save_ifs
if test "X$pkg" = "X$p"; then
enable_fast_install=yes
fi
done
IFS=$lt_save_ifs
;;
esac],
[enable_fast_install=]_LT_ENABLE_FAST_INSTALL_DEFAULT)
_LT_DECL([fast_install], [enable_fast_install], [0],
[Whether or not to optimize for fast installation])dnl
])# _LT_ENABLE_FAST_INSTALL
LT_OPTION_DEFINE([LT_INIT], [fast-install], [_LT_ENABLE_FAST_INSTALL([yes])])
LT_OPTION_DEFINE([LT_INIT], [disable-fast-install], [_LT_ENABLE_FAST_INSTALL([no])])
# Old names:
AU_DEFUN([AC_ENABLE_FAST_INSTALL],
[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[fast-install])
AC_DIAGNOSE([obsolete],
[$0: Remove this warning and the call to _LT_SET_OPTION when you put
the 'fast-install' option into LT_INIT's first parameter.])
])
AU_DEFUN([AC_DISABLE_FAST_INSTALL],
[_LT_SET_OPTION([LT_INIT], [disable-fast-install])
AC_DIAGNOSE([obsolete],
[$0: Remove this warning and the call to _LT_SET_OPTION when you put
the 'disable-fast-install' option into LT_INIT's first parameter.])
])
dnl aclocal-1.4 backwards compatibility:
dnl AC_DEFUN([AC_ENABLE_FAST_INSTALL], [])
dnl AC_DEFUN([AM_DISABLE_FAST_INSTALL], [])
# _LT_WITH_AIX_SONAME([DEFAULT])
# ----------------------------------
# implement the --with-aix-soname flag, and support the `aix-soname=aix'
# and `aix-soname=both' and `aix-soname=svr4' LT_INIT options. DEFAULT
# is either `aix', `both' or `svr4'. If omitted, it defaults to `aix'.
m4_define([_LT_WITH_AIX_SONAME],
[m4_define([_LT_WITH_AIX_SONAME_DEFAULT], [m4_if($1, svr4, svr4, m4_if($1, both, both, aix))])dnl
shared_archive_member_spec=
case $host,$enable_shared in
power*-*-aix[[5-9]]*,yes)
AC_MSG_CHECKING([which variant of shared library versioning to provide])
AC_ARG_WITH([aix-soname],
[AS_HELP_STRING([--with-aix-soname=aix|svr4|both],
[shared library versioning (aka "SONAME") variant to provide on AIX, @<:@default=]_LT_WITH_AIX_SONAME_DEFAULT[@:>@.])],
[case $withval in
aix|svr4|both)
;;
*)
AC_MSG_ERROR([Unknown argument to --with-aix-soname])
;;
esac
lt_cv_with_aix_soname=$with_aix_soname],
[AC_CACHE_VAL([lt_cv_with_aix_soname],
[lt_cv_with_aix_soname=]_LT_WITH_AIX_SONAME_DEFAULT)
with_aix_soname=$lt_cv_with_aix_soname])
AC_MSG_RESULT([$with_aix_soname])
if test aix != "$with_aix_soname"; then
# For the AIX way of multilib, we name the shared archive member
# based on the bitwidth used, traditionally 'shr.o' or 'shr_64.o',
# and 'shr.imp' or 'shr_64.imp', respectively, for the Import File.
# Even when GNU compilers ignore OBJECT_MODE but need '-maix64' flag,
# the AIX toolchain works better with OBJECT_MODE set (default 32).
if test 64 = "${OBJECT_MODE-32}"; then
shared_archive_member_spec=shr_64
else
shared_archive_member_spec=shr
fi
fi
;;
*)
with_aix_soname=aix
;;
esac
_LT_DECL([], [shared_archive_member_spec], [0],
[Shared archive member basename, for filename based shared library versioning on AIX])dnl
])# _LT_WITH_AIX_SONAME
LT_OPTION_DEFINE([LT_INIT], [aix-soname=aix], [_LT_WITH_AIX_SONAME([aix])])
LT_OPTION_DEFINE([LT_INIT], [aix-soname=both], [_LT_WITH_AIX_SONAME([both])])
LT_OPTION_DEFINE([LT_INIT], [aix-soname=svr4], [_LT_WITH_AIX_SONAME([svr4])])
# _LT_WITH_PIC([MODE])
# --------------------
# implement the --with-pic flag, and support the 'pic-only' and 'no-pic'
# LT_INIT options.
# MODE is either 'yes' or 'no'. If omitted, it defaults to 'both'.
m4_define([_LT_WITH_PIC],
[AC_ARG_WITH([pic],
[AS_HELP_STRING([--with-pic@<:@=PKGS@:>@],
[try to use only PIC/non-PIC objects @<:@default=use both@:>@])],
[lt_p=${PACKAGE-default}
case $withval in
yes|no) pic_mode=$withval ;;
*)
pic_mode=default
# Look at the argument we got. We use all the common list separators.
lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
for lt_pkg in $withval; do
IFS=$lt_save_ifs
if test "X$lt_pkg" = "X$lt_p"; then
pic_mode=yes
fi
done
IFS=$lt_save_ifs
;;
esac],
[pic_mode=m4_default([$1], [default])])
_LT_DECL([], [pic_mode], [0], [What type of objects to build])dnl
])# _LT_WITH_PIC
LT_OPTION_DEFINE([LT_INIT], [pic-only], [_LT_WITH_PIC([yes])])
LT_OPTION_DEFINE([LT_INIT], [no-pic], [_LT_WITH_PIC([no])])
# Old name:
AU_DEFUN([AC_LIBTOOL_PICMODE],
[_LT_SET_OPTION([LT_INIT], [pic-only])
AC_DIAGNOSE([obsolete],
[$0: Remove this warning and the call to _LT_SET_OPTION when you
put the 'pic-only' option into LT_INIT's first parameter.])
])
dnl aclocal-1.4 backwards compatibility:
dnl AC_DEFUN([AC_LIBTOOL_PICMODE], [])
## ----------------- ##
## LTDL_INIT Options ##
## ----------------- ##
m4_define([_LTDL_MODE], [])
LT_OPTION_DEFINE([LTDL_INIT], [nonrecursive],
[m4_define([_LTDL_MODE], [nonrecursive])])
LT_OPTION_DEFINE([LTDL_INIT], [recursive],
[m4_define([_LTDL_MODE], [recursive])])
LT_OPTION_DEFINE([LTDL_INIT], [subproject],
[m4_define([_LTDL_MODE], [subproject])])
m4_define([_LTDL_TYPE], [])
LT_OPTION_DEFINE([LTDL_INIT], [installable],
[m4_define([_LTDL_TYPE], [installable])])
LT_OPTION_DEFINE([LTDL_INIT], [convenience],
[m4_define([_LTDL_TYPE], [convenience])])

124
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@ -0,0 +1,124 @@
# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*-
#
# Copyright (C) 2004-2005, 2007-2008, 2011-2019, 2021-2024 Free Software
# Foundation, Inc.
# Written by Gary V. Vaughan, 2004
#
# This file is free software; the Free Software Foundation gives
# unlimited permission to copy and/or distribute it, with or without
# modifications, as long as this notice is preserved.
# serial 6 ltsugar.m4
# This is to help aclocal find these macros, as it can't see m4_define.
AC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])])
# lt_join(SEP, ARG1, [ARG2...])
# -----------------------------
# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their
# associated separator.
# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier
# versions in m4sugar had bugs.
m4_define([lt_join],
[m4_if([$#], [1], [],
[$#], [2], [[$2]],
[m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])])
m4_define([_lt_join],
[m4_if([$#$2], [2], [],
[m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])])
# lt_car(LIST)
# lt_cdr(LIST)
# ------------
# Manipulate m4 lists.
# These macros are necessary as long as will still need to support
# Autoconf-2.59, which quotes differently.
m4_define([lt_car], [[$1]])
m4_define([lt_cdr],
[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])],
[$#], 1, [],
[m4_dquote(m4_shift($@))])])
m4_define([lt_unquote], $1)
# lt_append(MACRO-NAME, STRING, [SEPARATOR])
# ------------------------------------------
# Redefine MACRO-NAME to hold its former content plus 'SEPARATOR''STRING'.
# Note that neither SEPARATOR nor STRING are expanded; they are appended
# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked).
# No SEPARATOR is output if MACRO-NAME was previously undefined (different
# than defined and empty).
#
# This macro is needed until we can rely on Autoconf 2.62, since earlier
# versions of m4sugar mistakenly expanded SEPARATOR but not STRING.
m4_define([lt_append],
[m4_define([$1],
m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])])
# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...])
# ----------------------------------------------------------
# Produce a SEP delimited list of all paired combinations of elements of
# PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list
# has the form PREFIXmINFIXSUFFIXn.
# Needed until we can rely on m4_combine added in Autoconf 2.62.
m4_define([lt_combine],
[m4_if(m4_eval([$# > 3]), [1],
[m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl
[[m4_foreach([_Lt_prefix], [$2],
[m4_foreach([_Lt_suffix],
]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[,
[_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])])
# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ])
# -----------------------------------------------------------------------
# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited
# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ.
m4_define([lt_if_append_uniq],
[m4_ifdef([$1],
[m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1],
[lt_append([$1], [$2], [$3])$4],
[$5])],
[lt_append([$1], [$2], [$3])$4])])
# lt_dict_add(DICT, KEY, VALUE)
# -----------------------------
m4_define([lt_dict_add],
[m4_define([$1($2)], [$3])])
# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE)
# --------------------------------------------
m4_define([lt_dict_add_subkey],
[m4_define([$1($2:$3)], [$4])])
# lt_dict_fetch(DICT, KEY, [SUBKEY])
# ----------------------------------
m4_define([lt_dict_fetch],
[m4_ifval([$3],
m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]),
m4_ifdef([$1($2)], [m4_defn([$1($2)])]))])
# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE])
# -----------------------------------------------------------------
m4_define([lt_if_dict_fetch],
[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4],
[$5],
[$6])])
# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...])
# --------------------------------------------------------------
m4_define([lt_dict_filter],
[m4_if([$5], [], [],
[lt_join(m4_quote(m4_default([$4], [[, ]])),
lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]),
[lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl
])

24
src/dependencies/xz-5.6.2/m4/ltversion.m4 vendored Normal file
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@ -0,0 +1,24 @@
# ltversion.m4 -- version numbers -*- Autoconf -*-
#
# Copyright (C) 2004, 2011-2019, 2021-2024 Free Software Foundation,
# Inc.
# Written by Scott James Remnant, 2004
#
# This file is free software; the Free Software Foundation gives
# unlimited permission to copy and/or distribute it, with or without
# modifications, as long as this notice is preserved.
# @configure_input@
# serial 4337 ltversion.m4
# This file is part of GNU Libtool
m4_define([LT_PACKAGE_VERSION], [2.5.0.1-38c1-dirty])
m4_define([LT_PACKAGE_REVISION], [2.5.0.1])
AC_DEFUN([LTVERSION_VERSION],
[macro_version='2.5.0.1-38c1-dirty'
macro_revision='2.5.0.1'
_LT_DECL(, macro_version, 0, [Which release of libtool.m4 was used?])
_LT_DECL(, macro_revision, 0)
])

99
src/dependencies/xz-5.6.2/m4/lt~obsolete.m4 vendored Normal file
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@ -0,0 +1,99 @@
# lt~obsolete.m4 -- aclocal satisfying obsolete definitions. -*-Autoconf-*-
#
# Copyright (C) 2004-2005, 2007, 2009, 2011-2019, 2021-2024 Free
# Software Foundation, Inc.
# Written by Scott James Remnant, 2004.
#
# This file is free software; the Free Software Foundation gives
# unlimited permission to copy and/or distribute it, with or without
# modifications, as long as this notice is preserved.
# serial 5 lt~obsolete.m4
# These exist entirely to fool aclocal when bootstrapping libtool.
#
# In the past libtool.m4 has provided macros via AC_DEFUN (or AU_DEFUN),
# which have later been changed to m4_define as they aren't part of the
# exported API, or moved to Autoconf or Automake where they belong.
#
# The trouble is, aclocal is a bit thick. It'll see the old AC_DEFUN
# in /usr/share/aclocal/libtool.m4 and remember it, then when it sees us
# using a macro with the same name in our local m4/libtool.m4 it'll
# pull the old libtool.m4 in (it doesn't see our shiny new m4_define
# and doesn't know about Autoconf macros at all.)
#
# So we provide this file, which has a silly filename so it's always
# included after everything else. This provides aclocal with the
# AC_DEFUNs it wants, but when m4 processes it, it doesn't do anything
# because those macros already exist, or will be overwritten later.
# We use AC_DEFUN over AU_DEFUN for compatibility with aclocal-1.6.
#
# Anytime we withdraw an AC_DEFUN or AU_DEFUN, remember to add it here.
# Yes, that means every name once taken will need to remain here until
# we give up compatibility with versions before 1.7, at which point
# we need to keep only those names which we still refer to.
# This is to help aclocal find these macros, as it can't see m4_define.
AC_DEFUN([LTOBSOLETE_VERSION], [m4_if([1])])
m4_ifndef([AC_LIBTOOL_LINKER_OPTION], [AC_DEFUN([AC_LIBTOOL_LINKER_OPTION])])
m4_ifndef([AC_PROG_EGREP], [AC_DEFUN([AC_PROG_EGREP])])
m4_ifndef([_LT_AC_PROG_ECHO_BACKSLASH], [AC_DEFUN([_LT_AC_PROG_ECHO_BACKSLASH])])
m4_ifndef([_LT_AC_SHELL_INIT], [AC_DEFUN([_LT_AC_SHELL_INIT])])
m4_ifndef([_LT_AC_SYS_LIBPATH_AIX], [AC_DEFUN([_LT_AC_SYS_LIBPATH_AIX])])
m4_ifndef([_LT_PROG_LTMAIN], [AC_DEFUN([_LT_PROG_LTMAIN])])
m4_ifndef([_LT_AC_TAGVAR], [AC_DEFUN([_LT_AC_TAGVAR])])
m4_ifndef([AC_LTDL_ENABLE_INSTALL], [AC_DEFUN([AC_LTDL_ENABLE_INSTALL])])
m4_ifndef([AC_LTDL_PREOPEN], [AC_DEFUN([AC_LTDL_PREOPEN])])
m4_ifndef([_LT_AC_SYS_COMPILER], [AC_DEFUN([_LT_AC_SYS_COMPILER])])
m4_ifndef([_LT_AC_LOCK], [AC_DEFUN([_LT_AC_LOCK])])
m4_ifndef([AC_LIBTOOL_SYS_OLD_ARCHIVE], [AC_DEFUN([AC_LIBTOOL_SYS_OLD_ARCHIVE])])
m4_ifndef([_LT_AC_TRY_DLOPEN_SELF], [AC_DEFUN([_LT_AC_TRY_DLOPEN_SELF])])
m4_ifndef([AC_LIBTOOL_PROG_CC_C_O], [AC_DEFUN([AC_LIBTOOL_PROG_CC_C_O])])
m4_ifndef([AC_LIBTOOL_SYS_HARD_LINK_LOCKS], [AC_DEFUN([AC_LIBTOOL_SYS_HARD_LINK_LOCKS])])
m4_ifndef([AC_LIBTOOL_OBJDIR], [AC_DEFUN([AC_LIBTOOL_OBJDIR])])
m4_ifndef([AC_LTDL_OBJDIR], [AC_DEFUN([AC_LTDL_OBJDIR])])
m4_ifndef([AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH], [AC_DEFUN([AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH])])
m4_ifndef([AC_LIBTOOL_SYS_LIB_STRIP], [AC_DEFUN([AC_LIBTOOL_SYS_LIB_STRIP])])
m4_ifndef([AC_PATH_MAGIC], [AC_DEFUN([AC_PATH_MAGIC])])
m4_ifndef([AC_PROG_LD_GNU], [AC_DEFUN([AC_PROG_LD_GNU])])
m4_ifndef([AC_PROG_LD_RELOAD_FLAG], [AC_DEFUN([AC_PROG_LD_RELOAD_FLAG])])
m4_ifndef([AC_DEPLIBS_CHECK_METHOD], [AC_DEFUN([AC_DEPLIBS_CHECK_METHOD])])
m4_ifndef([AC_LIBTOOL_PROG_COMPILER_NO_RTTI], [AC_DEFUN([AC_LIBTOOL_PROG_COMPILER_NO_RTTI])])
m4_ifndef([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE], [AC_DEFUN([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE])])
m4_ifndef([AC_LIBTOOL_PROG_COMPILER_PIC], [AC_DEFUN([AC_LIBTOOL_PROG_COMPILER_PIC])])
m4_ifndef([AC_LIBTOOL_PROG_LD_SHLIBS], [AC_DEFUN([AC_LIBTOOL_PROG_LD_SHLIBS])])
m4_ifndef([AC_LIBTOOL_POSTDEP_PREDEP], [AC_DEFUN([AC_LIBTOOL_POSTDEP_PREDEP])])
m4_ifndef([LT_AC_PROG_EGREP], [AC_DEFUN([LT_AC_PROG_EGREP])])
m4_ifndef([LT_AC_PROG_SED], [AC_DEFUN([LT_AC_PROG_SED])])
m4_ifndef([_LT_CC_BASENAME], [AC_DEFUN([_LT_CC_BASENAME])])
m4_ifndef([_LT_COMPILER_BOILERPLATE], [AC_DEFUN([_LT_COMPILER_BOILERPLATE])])
m4_ifndef([_LT_LINKER_BOILERPLATE], [AC_DEFUN([_LT_LINKER_BOILERPLATE])])
m4_ifndef([_AC_PROG_LIBTOOL], [AC_DEFUN([_AC_PROG_LIBTOOL])])
m4_ifndef([AC_LIBTOOL_SETUP], [AC_DEFUN([AC_LIBTOOL_SETUP])])
m4_ifndef([_LT_AC_CHECK_DLFCN], [AC_DEFUN([_LT_AC_CHECK_DLFCN])])
m4_ifndef([AC_LIBTOOL_SYS_DYNAMIC_LINKER], [AC_DEFUN([AC_LIBTOOL_SYS_DYNAMIC_LINKER])])
m4_ifndef([_LT_AC_TAGCONFIG], [AC_DEFUN([_LT_AC_TAGCONFIG])])
m4_ifndef([AC_DISABLE_FAST_INSTALL], [AC_DEFUN([AC_DISABLE_FAST_INSTALL])])
m4_ifndef([_LT_AC_LANG_CXX], [AC_DEFUN([_LT_AC_LANG_CXX])])
m4_ifndef([_LT_AC_LANG_F77], [AC_DEFUN([_LT_AC_LANG_F77])])
m4_ifndef([_LT_AC_LANG_GCJ], [AC_DEFUN([_LT_AC_LANG_GCJ])])
m4_ifndef([AC_LIBTOOL_LANG_C_CONFIG], [AC_DEFUN([AC_LIBTOOL_LANG_C_CONFIG])])
m4_ifndef([_LT_AC_LANG_C_CONFIG], [AC_DEFUN([_LT_AC_LANG_C_CONFIG])])
m4_ifndef([AC_LIBTOOL_LANG_CXX_CONFIG], [AC_DEFUN([AC_LIBTOOL_LANG_CXX_CONFIG])])
m4_ifndef([_LT_AC_LANG_CXX_CONFIG], [AC_DEFUN([_LT_AC_LANG_CXX_CONFIG])])
m4_ifndef([AC_LIBTOOL_LANG_F77_CONFIG], [AC_DEFUN([AC_LIBTOOL_LANG_F77_CONFIG])])
m4_ifndef([_LT_AC_LANG_F77_CONFIG], [AC_DEFUN([_LT_AC_LANG_F77_CONFIG])])
m4_ifndef([AC_LIBTOOL_LANG_GCJ_CONFIG], [AC_DEFUN([AC_LIBTOOL_LANG_GCJ_CONFIG])])
m4_ifndef([_LT_AC_LANG_GCJ_CONFIG], [AC_DEFUN([_LT_AC_LANG_GCJ_CONFIG])])
m4_ifndef([AC_LIBTOOL_LANG_RC_CONFIG], [AC_DEFUN([AC_LIBTOOL_LANG_RC_CONFIG])])
m4_ifndef([_LT_AC_LANG_RC_CONFIG], [AC_DEFUN([_LT_AC_LANG_RC_CONFIG])])
m4_ifndef([AC_LIBTOOL_CONFIG], [AC_DEFUN([AC_LIBTOOL_CONFIG])])
m4_ifndef([_LT_AC_FILE_LTDLL_C], [AC_DEFUN([_LT_AC_FILE_LTDLL_C])])
m4_ifndef([_LT_REQUIRED_DARWIN_CHECKS], [AC_DEFUN([_LT_REQUIRED_DARWIN_CHECKS])])
m4_ifndef([_LT_AC_PROG_CXXCPP], [AC_DEFUN([_LT_AC_PROG_CXXCPP])])
m4_ifndef([_LT_PREPARE_SED_QUOTE_VARS], [AC_DEFUN([_LT_PREPARE_SED_QUOTE_VARS])])
m4_ifndef([_LT_PROG_ECHO_BACKSLASH], [AC_DEFUN([_LT_PROG_ECHO_BACKSLASH])])
m4_ifndef([_LT_PROG_F77], [AC_DEFUN([_LT_PROG_F77])])
m4_ifndef([_LT_PROG_FC], [AC_DEFUN([_LT_PROG_FC])])
m4_ifndef([_LT_PROG_CXX], [AC_DEFUN([_LT_PROG_CXX])])

32
src/dependencies/xz-5.6.2/m4/nls.m4 Normal file
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@ -0,0 +1,32 @@
# nls.m4 serial 6 (gettext-0.20.2)
dnl Copyright (C) 1995-2003, 2005-2006, 2008-2014, 2016, 2019-2024 Free
dnl Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl
dnl This file can be used in projects which are not available under
dnl the GNU General Public License or the GNU Lesser General Public
dnl License but which still want to provide support for the GNU gettext
dnl functionality.
dnl Please note that the actual code of the GNU gettext library is covered
dnl by the GNU Lesser General Public License, and the rest of the GNU
dnl gettext package is covered by the GNU General Public License.
dnl They are *not* in the public domain.
dnl Authors:
dnl Ulrich Drepper <drepper@cygnus.com>, 1995-2000.
dnl Bruno Haible <haible@clisp.cons.org>, 2000-2003.
AC_PREREQ([2.50])
AC_DEFUN([AM_NLS],
[
AC_MSG_CHECKING([whether NLS is requested])
dnl Default is enabled NLS
AC_ARG_ENABLE([nls],
[ --disable-nls do not use Native Language Support],
USE_NLS=$enableval, USE_NLS=yes)
AC_MSG_RESULT([$USE_NLS])
AC_SUBST([USE_NLS])
])

455
src/dependencies/xz-5.6.2/m4/po.m4 Normal file
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@ -0,0 +1,455 @@
# po.m4 serial 32 (gettext-0.21.1)
dnl Copyright (C) 1995-2014, 2016, 2018-2022, 2024 Free Software Foundation,
dnl Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl
dnl This file can be used in projects which are not available under
dnl the GNU General Public License or the GNU Lesser General Public
dnl License but which still want to provide support for the GNU gettext
dnl functionality.
dnl Please note that the actual code of the GNU gettext library is covered
dnl by the GNU Lesser General Public License, and the rest of the GNU
dnl gettext package is covered by the GNU General Public License.
dnl They are *not* in the public domain.
dnl Authors:
dnl Ulrich Drepper <drepper@cygnus.com>, 1995-2000.
dnl Bruno Haible <haible@clisp.cons.org>, 2000-2003.
AC_PREREQ([2.60])
dnl Checks for all prerequisites of the po subdirectory.
AC_DEFUN([AM_PO_SUBDIRS],
[
AC_REQUIRE([AC_PROG_MAKE_SET])dnl
AC_REQUIRE([AC_PROG_INSTALL])dnl
AC_REQUIRE([AC_PROG_MKDIR_P])dnl
AC_REQUIRE([AC_PROG_SED])dnl
AC_REQUIRE([AM_NLS])dnl
dnl Release version of the gettext macros. This is used to ensure that
dnl the gettext macros and po/Makefile.in.in are in sync.
AC_SUBST([GETTEXT_MACRO_VERSION], [0.20])
dnl Perform the following tests also if --disable-nls has been given,
dnl because they are needed for "make dist" to work.
dnl Search for GNU msgfmt in the PATH.
dnl The first test excludes Solaris msgfmt and early GNU msgfmt versions.
dnl The second test excludes FreeBSD msgfmt.
AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt,
[$ac_dir/$ac_word --statistics /dev/null >&]AS_MESSAGE_LOG_FD[ 2>&1 &&
(if $ac_dir/$ac_word --statistics /dev/null 2>&1 >/dev/null | grep usage >/dev/null; then exit 1; else exit 0; fi)],
:)
AC_PATH_PROG([GMSGFMT], [gmsgfmt], [$MSGFMT])
dnl Test whether it is GNU msgfmt >= 0.15.
changequote(,)dnl
case `$GMSGFMT --version | sed 1q | sed -e 's,^[^0-9]*,,'` in
'' | 0.[0-9] | 0.[0-9].* | 0.1[0-4] | 0.1[0-4].*) GMSGFMT_015=: ;;
*) GMSGFMT_015=$GMSGFMT ;;
esac
changequote([,])dnl
AC_SUBST([GMSGFMT_015])
dnl Search for GNU xgettext 0.12 or newer in the PATH.
dnl The first test excludes Solaris xgettext and early GNU xgettext versions.
dnl The second test excludes FreeBSD xgettext.
AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
[$ac_dir/$ac_word --omit-header --copyright-holder= --msgid-bugs-address= /dev/null >&]AS_MESSAGE_LOG_FD[ 2>&1 &&
(if $ac_dir/$ac_word --omit-header --copyright-holder= --msgid-bugs-address= /dev/null 2>&1 >/dev/null | grep usage >/dev/null; then exit 1; else exit 0; fi)],
:)
dnl Remove leftover from FreeBSD xgettext call.
rm -f messages.po
dnl Test whether it is GNU xgettext >= 0.15.
changequote(,)dnl
case `$XGETTEXT --version | sed 1q | sed -e 's,^[^0-9]*,,'` in
'' | 0.[0-9] | 0.[0-9].* | 0.1[0-4] | 0.1[0-4].*) XGETTEXT_015=: ;;
*) XGETTEXT_015=$XGETTEXT ;;
esac
changequote([,])dnl
AC_SUBST([XGETTEXT_015])
dnl Search for GNU msgmerge 0.11 or newer in the PATH.
AM_PATH_PROG_WITH_TEST(MSGMERGE, msgmerge,
[$ac_dir/$ac_word --update -q /dev/null /dev/null >&]AS_MESSAGE_LOG_FD[ 2>&1], :)
dnl Test whether it is GNU msgmerge >= 0.20.
if LC_ALL=C $MSGMERGE --help | grep ' --for-msgfmt ' >/dev/null; then
MSGMERGE_FOR_MSGFMT_OPTION='--for-msgfmt'
else
dnl Test whether it is GNU msgmerge >= 0.12.
if LC_ALL=C $MSGMERGE --help | grep ' --no-fuzzy-matching ' >/dev/null; then
MSGMERGE_FOR_MSGFMT_OPTION='--no-fuzzy-matching --no-location --quiet'
else
dnl With these old versions, $(MSGMERGE) $(MSGMERGE_FOR_MSGFMT_OPTION) is
dnl slow. But this is not a big problem, as such old gettext versions are
dnl hardly in use any more.
MSGMERGE_FOR_MSGFMT_OPTION='--no-location --quiet'
fi
fi
AC_SUBST([MSGMERGE_FOR_MSGFMT_OPTION])
dnl Support for AM_XGETTEXT_OPTION.
test -n "${XGETTEXT_EXTRA_OPTIONS+set}" || XGETTEXT_EXTRA_OPTIONS=
AC_SUBST([XGETTEXT_EXTRA_OPTIONS])
AC_CONFIG_COMMANDS([po-directories], [[
for ac_file in $CONFIG_FILES; do
# Support "outfile[:infile[:infile...]]"
case "$ac_file" in
*:*) ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;;
esac
# PO directories have a Makefile.in generated from Makefile.in.in.
case "$ac_file" in */Makefile.in)
# Adjust a relative srcdir.
ac_dir=`echo "$ac_file"|sed 's%/[^/][^/]*$%%'`
ac_dir_suffix=/`echo "$ac_dir"|sed 's%^\./%%'`
ac_dots=`echo "$ac_dir_suffix"|sed 's%/[^/]*%../%g'`
# In autoconf-2.13 it is called $ac_given_srcdir.
# In autoconf-2.50 it is called $srcdir.
test -n "$ac_given_srcdir" || ac_given_srcdir="$srcdir"
case "$ac_given_srcdir" in
.) top_srcdir=`echo $ac_dots|sed 's%/$%%'` ;;
/*) top_srcdir="$ac_given_srcdir" ;;
*) top_srcdir="$ac_dots$ac_given_srcdir" ;;
esac
# Treat a directory as a PO directory if and only if it has a
# POTFILES.in file. This allows packages to have multiple PO
# directories under different names or in different locations.
if test -f "$ac_given_srcdir/$ac_dir/POTFILES.in"; then
rm -f "$ac_dir/POTFILES"
test -n "$as_me" && echo "$as_me: creating $ac_dir/POTFILES" || echo "creating $ac_dir/POTFILES"
gt_tab=`printf '\t'`
cat "$ac_given_srcdir/$ac_dir/POTFILES.in" | sed -e "/^#/d" -e "/^[ ${gt_tab}]*\$/d" -e "s,.*, $top_srcdir/& \\\\," | sed -e "\$s/\(.*\) \\\\/\1/" > "$ac_dir/POTFILES"
POMAKEFILEDEPS="POTFILES.in"
# ALL_LINGUAS, POFILES, UPDATEPOFILES, DUMMYPOFILES, GMOFILES depend
# on $ac_dir but don't depend on user-specified configuration
# parameters.
if test -f "$ac_given_srcdir/$ac_dir/LINGUAS"; then
# The LINGUAS file contains the set of available languages.
if test -n "$OBSOLETE_ALL_LINGUAS"; then
test -n "$as_me" && echo "$as_me: setting ALL_LINGUAS in configure.in is obsolete" || echo "setting ALL_LINGUAS in configure.in is obsolete"
fi
ALL_LINGUAS=`sed -e "/^#/d" -e "s/#.*//" "$ac_given_srcdir/$ac_dir/LINGUAS"`
POMAKEFILEDEPS="$POMAKEFILEDEPS LINGUAS"
else
# The set of available languages was given in configure.in.
ALL_LINGUAS=$OBSOLETE_ALL_LINGUAS
fi
# Compute POFILES
# as $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).po)
# Compute UPDATEPOFILES
# as $(foreach lang, $(ALL_LINGUAS), $(lang).po-update)
# Compute DUMMYPOFILES
# as $(foreach lang, $(ALL_LINGUAS), $(lang).nop)
# Compute GMOFILES
# as $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).gmo)
case "$ac_given_srcdir" in
.) srcdirpre= ;;
*) srcdirpre='$(srcdir)/' ;;
esac
POFILES=
UPDATEPOFILES=
DUMMYPOFILES=
GMOFILES=
for lang in $ALL_LINGUAS; do
POFILES="$POFILES $srcdirpre$lang.po"
UPDATEPOFILES="$UPDATEPOFILES $lang.po-update"
DUMMYPOFILES="$DUMMYPOFILES $lang.nop"
GMOFILES="$GMOFILES $srcdirpre$lang.gmo"
done
# CATALOGS depends on both $ac_dir and the user's LINGUAS
# environment variable.
INST_LINGUAS=
if test -n "$ALL_LINGUAS"; then
for presentlang in $ALL_LINGUAS; do
useit=no
if test "%UNSET%" != "$LINGUAS"; then
desiredlanguages="$LINGUAS"
else
desiredlanguages="$ALL_LINGUAS"
fi
for desiredlang in $desiredlanguages; do
# Use the presentlang catalog if desiredlang is
# a. equal to presentlang, or
# b. a variant of presentlang (because in this case,
# presentlang can be used as a fallback for messages
# which are not translated in the desiredlang catalog).
case "$desiredlang" in
"$presentlang" | "$presentlang"_* | "$presentlang".* | "$presentlang"@*)
useit=yes
;;
esac
done
if test $useit = yes; then
INST_LINGUAS="$INST_LINGUAS $presentlang"
fi
done
fi
CATALOGS=
if test -n "$INST_LINGUAS"; then
for lang in $INST_LINGUAS; do
CATALOGS="$CATALOGS $lang.gmo"
done
fi
test -n "$as_me" && echo "$as_me: creating $ac_dir/Makefile" || echo "creating $ac_dir/Makefile"
sed -e "/^POTFILES =/r $ac_dir/POTFILES" -e "/^# Makevars/r $ac_given_srcdir/$ac_dir/Makevars" -e "s|@POFILES@|$POFILES|g" -e "s|@UPDATEPOFILES@|$UPDATEPOFILES|g" -e "s|@DUMMYPOFILES@|$DUMMYPOFILES|g" -e "s|@GMOFILES@|$GMOFILES|g" -e "s|@CATALOGS@|$CATALOGS|g" -e "s|@POMAKEFILEDEPS@|$POMAKEFILEDEPS|g" "$ac_dir/Makefile.in" > "$ac_dir/Makefile"
for f in "$ac_given_srcdir/$ac_dir"/Rules-*; do
if test -f "$f"; then
case "$f" in
*.orig | *.bak | *~) ;;
*) cat "$f" >> "$ac_dir/Makefile" ;;
esac
fi
done
fi
;;
esac
done]],
[# Capture the value of obsolete ALL_LINGUAS because we need it to compute
# POFILES, UPDATEPOFILES, DUMMYPOFILES, GMOFILES, CATALOGS.
OBSOLETE_ALL_LINGUAS="$ALL_LINGUAS"
# Capture the value of LINGUAS because we need it to compute CATALOGS.
LINGUAS="${LINGUAS-%UNSET%}"
])
])
dnl Postprocesses a Makefile in a directory containing PO files.
AC_DEFUN([AM_POSTPROCESS_PO_MAKEFILE],
[
# When this code is run, in config.status, two variables have already been
# set:
# - OBSOLETE_ALL_LINGUAS is the value of LINGUAS set in configure.in,
# - LINGUAS is the value of the environment variable LINGUAS at configure
# time.
changequote(,)dnl
# Adjust a relative srcdir.
ac_dir=`echo "$ac_file"|sed 's%/[^/][^/]*$%%'`
ac_dir_suffix=/`echo "$ac_dir"|sed 's%^\./%%'`
ac_dots=`echo "$ac_dir_suffix"|sed 's%/[^/]*%../%g'`
# In autoconf-2.13 it is called $ac_given_srcdir.
# In autoconf-2.50 it is called $srcdir.
test -n "$ac_given_srcdir" || ac_given_srcdir="$srcdir"
case "$ac_given_srcdir" in
.) top_srcdir=`echo $ac_dots|sed 's%/$%%'` ;;
/*) top_srcdir="$ac_given_srcdir" ;;
*) top_srcdir="$ac_dots$ac_given_srcdir" ;;
esac
# Find a way to echo strings without interpreting backslash.
if test "X`(echo '\t') 2>/dev/null`" = 'X\t'; then
gt_echo='echo'
else
if test "X`(printf '%s\n' '\t') 2>/dev/null`" = 'X\t'; then
gt_echo='printf %s\n'
else
echo_func () {
cat <<EOT
$*
EOT
}
gt_echo='echo_func'
fi
fi
# A sed script that extracts the value of VARIABLE from a Makefile.
tab=`printf '\t'`
sed_x_variable='
# Test if the hold space is empty.
x
s/P/P/
x
ta
# Yes it was empty. Look if we have the expected variable definition.
/^['"${tab}"' ]*VARIABLE['"${tab}"' ]*=/{
# Seen the first line of the variable definition.
s/^['"${tab}"' ]*VARIABLE['"${tab}"' ]*=//
ba
}
bd
:a
# Here we are processing a line from the variable definition.
# Remove comment, more precisely replace it with a space.
s/#.*$/ /
# See if the line ends in a backslash.
tb
:b
s/\\$//
# Print the line, without the trailing backslash.
p
tc
# There was no trailing backslash. The end of the variable definition is
# reached. Clear the hold space.
s/^.*$//
x
bd
:c
# A trailing backslash means that the variable definition continues in the
# next line. Put a nonempty string into the hold space to indicate this.
s/^.*$/P/
x
:d
'
changequote([,])dnl
# Set POTFILES to the value of the Makefile variable POTFILES.
sed_x_POTFILES=`$gt_echo "$sed_x_variable" | sed -e '/^ *#/d' -e 's/VARIABLE/POTFILES/g'`
POTFILES=`sed -n -e "$sed_x_POTFILES" < "$ac_file"`
# Compute POTFILES_DEPS as
# $(foreach file, $(POTFILES), $(top_srcdir)/$(file))
POTFILES_DEPS=
for file in $POTFILES; do
POTFILES_DEPS="$POTFILES_DEPS "'$(top_srcdir)/'"$file"
done
POMAKEFILEDEPS=""
if test -n "$OBSOLETE_ALL_LINGUAS"; then
test -n "$as_me" && echo "$as_me: setting ALL_LINGUAS in configure.in is obsolete" || echo "setting ALL_LINGUAS in configure.in is obsolete"
fi
if test -f "$ac_given_srcdir/$ac_dir/LINGUAS"; then
# The LINGUAS file contains the set of available languages.
ALL_LINGUAS=`sed -e "/^#/d" -e "s/#.*//" "$ac_given_srcdir/$ac_dir/LINGUAS"`
POMAKEFILEDEPS="$POMAKEFILEDEPS LINGUAS"
else
# Set ALL_LINGUAS to the value of the Makefile variable LINGUAS.
sed_x_LINGUAS=`$gt_echo "$sed_x_variable" | sed -e '/^ *#/d' -e 's/VARIABLE/LINGUAS/g'`
ALL_LINGUAS=`sed -n -e "$sed_x_LINGUAS" < "$ac_file"`
fi
# Compute POFILES
# as $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).po)
# Compute UPDATEPOFILES
# as $(foreach lang, $(ALL_LINGUAS), $(lang).po-update)
# Compute DUMMYPOFILES
# as $(foreach lang, $(ALL_LINGUAS), $(lang).nop)
# Compute GMOFILES
# as $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).gmo)
# Compute PROPERTIESFILES
# as $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(DOMAIN)_$(lang).properties)
# Compute CLASSFILES
# as $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(DOMAIN)_$(lang).class)
# Compute QMFILES
# as $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).qm)
# Compute MSGFILES
# as $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(frob $(lang)).msg)
# Compute RESOURCESDLLFILES
# as $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(frob $(lang))/$(DOMAIN).resources.dll)
case "$ac_given_srcdir" in
.) srcdirpre= ;;
*) srcdirpre='$(srcdir)/' ;;
esac
POFILES=
UPDATEPOFILES=
DUMMYPOFILES=
GMOFILES=
PROPERTIESFILES=
CLASSFILES=
QMFILES=
MSGFILES=
RESOURCESDLLFILES=
for lang in $ALL_LINGUAS; do
POFILES="$POFILES $srcdirpre$lang.po"
UPDATEPOFILES="$UPDATEPOFILES $lang.po-update"
DUMMYPOFILES="$DUMMYPOFILES $lang.nop"
GMOFILES="$GMOFILES $srcdirpre$lang.gmo"
PROPERTIESFILES="$PROPERTIESFILES \$(srcdir)/\$(DOMAIN)_$lang.properties"
CLASSFILES="$CLASSFILES \$(srcdir)/\$(DOMAIN)_$lang.class"
QMFILES="$QMFILES $srcdirpre$lang.qm"
frobbedlang=`echo $lang | sed -e 's/\..*$//' -e 'y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/'`
MSGFILES="$MSGFILES $srcdirpre$frobbedlang.msg"
frobbedlang=`echo $lang | sed -e 's/_/-/g' -e 's/^sr-CS/sr-SP/' -e 's/@latin$/-Latn/' -e 's/@cyrillic$/-Cyrl/' -e 's/^sr-SP$/sr-SP-Latn/' -e 's/^uz-UZ$/uz-UZ-Latn/'`
RESOURCESDLLFILES="$RESOURCESDLLFILES $srcdirpre$frobbedlang/\$(DOMAIN).resources.dll"
done
# CATALOGS depends on both $ac_dir and the user's LINGUAS
# environment variable.
INST_LINGUAS=
if test -n "$ALL_LINGUAS"; then
for presentlang in $ALL_LINGUAS; do
useit=no
if test "%UNSET%" != "$LINGUAS"; then
desiredlanguages="$LINGUAS"
else
desiredlanguages="$ALL_LINGUAS"
fi
for desiredlang in $desiredlanguages; do
# Use the presentlang catalog if desiredlang is
# a. equal to presentlang, or
# b. a variant of presentlang (because in this case,
# presentlang can be used as a fallback for messages
# which are not translated in the desiredlang catalog).
case "$desiredlang" in
"$presentlang" | "$presentlang"_* | "$presentlang".* | "$presentlang"@*)
useit=yes
;;
esac
done
if test $useit = yes; then
INST_LINGUAS="$INST_LINGUAS $presentlang"
fi
done
fi
CATALOGS=
JAVACATALOGS=
QTCATALOGS=
TCLCATALOGS=
CSHARPCATALOGS=
if test -n "$INST_LINGUAS"; then
for lang in $INST_LINGUAS; do
CATALOGS="$CATALOGS $lang.gmo"
JAVACATALOGS="$JAVACATALOGS \$(DOMAIN)_$lang.properties"
QTCATALOGS="$QTCATALOGS $lang.qm"
frobbedlang=`echo $lang | sed -e 's/\..*$//' -e 'y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/'`
TCLCATALOGS="$TCLCATALOGS $frobbedlang.msg"
frobbedlang=`echo $lang | sed -e 's/_/-/g' -e 's/^sr-CS/sr-SP/' -e 's/@latin$/-Latn/' -e 's/@cyrillic$/-Cyrl/' -e 's/^sr-SP$/sr-SP-Latn/' -e 's/^uz-UZ$/uz-UZ-Latn/'`
CSHARPCATALOGS="$CSHARPCATALOGS $frobbedlang/\$(DOMAIN).resources.dll"
done
fi
sed -e "s|@POTFILES_DEPS@|$POTFILES_DEPS|g" -e "s|@POFILES@|$POFILES|g" -e "s|@UPDATEPOFILES@|$UPDATEPOFILES|g" -e "s|@DUMMYPOFILES@|$DUMMYPOFILES|g" -e "s|@GMOFILES@|$GMOFILES|g" -e "s|@PROPERTIESFILES@|$PROPERTIESFILES|g" -e "s|@CLASSFILES@|$CLASSFILES|g" -e "s|@QMFILES@|$QMFILES|g" -e "s|@MSGFILES@|$MSGFILES|g" -e "s|@RESOURCESDLLFILES@|$RESOURCESDLLFILES|g" -e "s|@CATALOGS@|$CATALOGS|g" -e "s|@JAVACATALOGS@|$JAVACATALOGS|g" -e "s|@QTCATALOGS@|$QTCATALOGS|g" -e "s|@TCLCATALOGS@|$TCLCATALOGS|g" -e "s|@CSHARPCATALOGS@|$CSHARPCATALOGS|g" -e 's,^#distdir:,distdir:,' < "$ac_file" > "$ac_file.tmp"
tab=`printf '\t'`
if grep -l '@TCLCATALOGS@' "$ac_file" > /dev/null; then
# Add dependencies that cannot be formulated as a simple suffix rule.
for lang in $ALL_LINGUAS; do
frobbedlang=`echo $lang | sed -e 's/\..*$//' -e 'y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/'`
cat >> "$ac_file.tmp" <<EOF
$frobbedlang.msg: $lang.po
${tab}@echo "\$(MSGFMT) -c --tcl -d \$(srcdir) -l $lang $srcdirpre$lang.po"; \
${tab}\$(MSGFMT) -c --tcl -d "\$(srcdir)" -l $lang $srcdirpre$lang.po || { rm -f "\$(srcdir)/$frobbedlang.msg"; exit 1; }
EOF
done
fi
if grep -l '@CSHARPCATALOGS@' "$ac_file" > /dev/null; then
# Add dependencies that cannot be formulated as a simple suffix rule.
for lang in $ALL_LINGUAS; do
frobbedlang=`echo $lang | sed -e 's/_/-/g' -e 's/^sr-CS/sr-SP/' -e 's/@latin$/-Latn/' -e 's/@cyrillic$/-Cyrl/' -e 's/^sr-SP$/sr-SP-Latn/' -e 's/^uz-UZ$/uz-UZ-Latn/'`
cat >> "$ac_file.tmp" <<EOF
$frobbedlang/\$(DOMAIN).resources.dll: $lang.po
${tab}@echo "\$(MSGFMT) -c --csharp -d \$(srcdir) -l $lang $srcdirpre$lang.po -r \$(DOMAIN)"; \
${tab}\$(MSGFMT) -c --csharp -d "\$(srcdir)" -l $lang $srcdirpre$lang.po -r "\$(DOMAIN)" || { rm -f "\$(srcdir)/$frobbedlang.msg"; exit 1; }
EOF
done
fi
if test -n "$POMAKEFILEDEPS"; then
cat >> "$ac_file.tmp" <<EOF
Makefile: $POMAKEFILEDEPS
EOF
fi
mv "$ac_file.tmp" "$ac_file"
])
dnl Initializes the accumulator used by AM_XGETTEXT_OPTION.
AC_DEFUN([AM_XGETTEXT_OPTION_INIT],
[
XGETTEXT_EXTRA_OPTIONS=
])
dnl Registers an option to be passed to xgettext in the po subdirectory.
AC_DEFUN([AM_XGETTEXT_OPTION],
[
AC_REQUIRE([AM_XGETTEXT_OPTION_INIT])
XGETTEXT_EXTRA_OPTIONS="$XGETTEXT_EXTRA_OPTIONS $1"
])

65
src/dependencies/xz-5.6.2/m4/posix-shell.m4 Normal file
View file

@ -0,0 +1,65 @@
dnl SPDX-License-Identifier: FSFULLR
# Find a POSIX-conforming shell.
# Copyright (C) 2007-2008 Free Software Foundation, Inc.
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
# Written by Paul Eggert.
# If a POSIX-conforming shell can be found, set POSIX_SHELL and
# PREFERABLY_POSIX_SHELL to it. If not, set POSIX_SHELL to the
# empty string and PREFERABLY_POSIX_SHELL to '/bin/sh'.
AC_DEFUN([gl_POSIX_SHELL],
[
AC_CACHE_CHECK([for a shell that conforms to POSIX], [gl_cv_posix_shell],
[gl_test_posix_shell_script='
func_return () {
(exit [$]1)
}
func_success () {
func_return 0
}
func_failure () {
func_return 1
}
func_ret_success () {
return 0
}
func_ret_failure () {
return 1
}
subshell_umask_sanity () {
(umask 22; (umask 0); test $(umask) -eq 22)
}
test "[$](echo foo)" = foo &&
func_success &&
! func_failure &&
func_ret_success &&
! func_ret_failure &&
(set x && func_ret_success y && test x = "[$]1") &&
subshell_umask_sanity
'
for gl_cv_posix_shell in \
"$CONFIG_SHELL" "$SHELL" /bin/sh /bin/bash /bin/ksh /bin/sh5 no; do
case $gl_cv_posix_shell in
/*)
"$gl_cv_posix_shell" -c "$gl_test_posix_shell_script" 2>/dev/null \
&& break;;
esac
done])
if test "$gl_cv_posix_shell" != no; then
POSIX_SHELL=$gl_cv_posix_shell
PREFERABLY_POSIX_SHELL=$POSIX_SHELL
else
POSIX_SHELL=
PREFERABLY_POSIX_SHELL=/bin/sh
fi
AC_SUBST([POSIX_SHELL])
AC_SUBST([PREFERABLY_POSIX_SHELL])
])

91
src/dependencies/xz-5.6.2/m4/progtest.m4 Normal file
View file

@ -0,0 +1,91 @@
# progtest.m4 serial 10 (gettext-0.23)
dnl Copyright (C) 1996-2003, 2005, 2008-2024 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl
dnl This file can be used in projects which are not available under
dnl the GNU General Public License or the GNU Lesser General Public
dnl License but which still want to provide support for the GNU gettext
dnl functionality.
dnl Please note that the actual code of the GNU gettext library is covered
dnl by the GNU Lesser General Public License, and the rest of the GNU
dnl gettext package is covered by the GNU General Public License.
dnl They are *not* in the public domain.
dnl Authors:
dnl Ulrich Drepper <drepper@cygnus.com>, 1996.
AC_PREREQ([2.53])
# Search path for a program which passes the given test.
dnl AM_PATH_PROG_WITH_TEST(VARIABLE, PROG-TO-CHECK-FOR,
dnl TEST-PERFORMED-ON-FOUND_PROGRAM [, VALUE-IF-NOT-FOUND [, PATH]])
AC_DEFUN([AM_PATH_PROG_WITH_TEST],
[
# Prepare PATH_SEPARATOR.
# The user is always right.
if test "${PATH_SEPARATOR+set}" != set; then
# Determine PATH_SEPARATOR by trying to find /bin/sh in a PATH which
# contains only /bin. Note that ksh looks also at the FPATH variable,
# so we have to set that as well for the test.
PATH_SEPARATOR=:
(PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \
&& { (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \
|| PATH_SEPARATOR=';'
}
fi
# Find out how to test for executable files. Don't use a zero-byte file,
# as systems may use methods other than mode bits to determine executability.
cat >conf$$.file <<_ASEOF
#! /bin/sh
exit 0
_ASEOF
chmod +x conf$$.file
if test -x conf$$.file >/dev/null 2>&1; then
ac_executable_p="test -x"
else
ac_executable_p="test -f"
fi
rm -f conf$$.file
# Extract the first word of "$2", so it can be a program name with args.
set dummy $2; ac_word=[$]2
AC_MSG_CHECKING([for $ac_word])
AC_CACHE_VAL([ac_cv_path_$1],
[case "[$]$1" in
[[\\/]]* | ?:[[\\/]]*)
ac_cv_path_$1="[$]$1" # Let the user override the test with a path.
;;
*)
gt_saved_IFS="$IFS"; IFS=$PATH_SEPARATOR
for ac_dir in m4_if([$5], , $PATH, [$5]); do
IFS="$gt_saved_IFS"
test -z "$ac_dir" && ac_dir=.
for ac_exec_ext in '' $ac_executable_extensions; do
if $ac_executable_p "$ac_dir/$ac_word$ac_exec_ext"; then
echo "$as_me: trying $ac_dir/$ac_word..." >&AS_MESSAGE_LOG_FD
if [$3]; then
ac_cv_path_$1="$ac_dir/$ac_word$ac_exec_ext"
break 2
fi
fi
done
done
IFS="$gt_saved_IFS"
dnl If no 4th arg is given, leave the cache variable unset,
dnl so AC_PATH_PROGS will keep looking.
m4_if([$4], , , [ test -z "[$]ac_cv_path_$1" && ac_cv_path_$1="$4"
])dnl
;;
esac])dnl
$1="$ac_cv_path_$1"
if test m4_if([$4], , [-n "[$]$1"], ["[$]$1" != "$4"]); then
AC_MSG_RESULT([$][$1])
else
AC_MSG_RESULT([no])
fi
AC_SUBST([$1])dnl
])

23
src/dependencies/xz-5.6.2/m4/tuklib_common.m4 Normal file
View file

@ -0,0 +1,23 @@
# SPDX-License-Identifier: 0BSD
#############################################################################
#
# SYNOPSIS
#
# TUKLIB_COMMON
#
# DESCRIPTION
#
# Common checks for tuklib.
#
#############################################################################
#
# Author: Lasse Collin
#
#############################################################################
AC_DEFUN_ONCE([TUKLIB_COMMON], [
AC_REQUIRE([AC_CANONICAL_HOST])
AC_REQUIRE([AC_PROG_CC_C99])
AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
])dnl

181
src/dependencies/xz-5.6.2/m4/tuklib_cpucores.m4 Normal file
View file

@ -0,0 +1,181 @@
# SPDX-License-Identifier: 0BSD
#############################################################################
#
# SYNOPSIS
#
# TUKLIB_CPUCORES
#
# DESCRIPTION
#
# Check how to find out the number of available CPU cores in the system.
# This information is used by tuklib_cpucores.c.
#
# Supported methods:
# - GetSystemInfo(): Windows (including Cygwin)
# - sched_getaffinity(): glibc (GNU/Linux, GNU/kFreeBSD)
# - cpuset_getaffinity(): FreeBSD
# - sysctl(): BSDs, OS/2
# - sysconf(): GNU/Linux, Solaris, Tru64, IRIX, AIX, QNX, Cygwin (but
# GetSystemInfo() is used on Cygwin)
# - pstat_getdynamic(): HP-UX
#
#############################################################################
#
# Author: Lasse Collin
#
#############################################################################
AC_DEFUN_ONCE([TUKLIB_CPUCORES], [
AC_REQUIRE([TUKLIB_COMMON])
# sys/param.h might be needed by sys/sysctl.h.
AC_CHECK_HEADERS([sys/param.h])
AC_CACHE_CHECK([how to detect the number of available CPU cores],
[tuklib_cv_cpucores_method], [
# Maybe checking $host_os would be enough but this matches what
# tuklib_cpucores.c does.
#
# NOTE: IRIX has a compiler that doesn't error out with #error, so use
# a non-compilable text instead of #error to generate an error.
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#if defined(_WIN32) || defined(__CYGWIN__)
int main(void) { return 0; }
#else
compile error
#endif
]])], [tuklib_cv_cpucores_method=special], [
# glibc-based systems (GNU/Linux and GNU/kFreeBSD) have sched_getaffinity().
# The CPU_COUNT() macro was added in glibc 2.9 so we try to link the
# test program instead of merely compiling it. glibc 2.9 is old enough that
# if someone uses the code on older glibc, the fallback to sysconf() should
# be good enough.
AC_LINK_IFELSE([AC_LANG_SOURCE([[
#include <sched.h>
int
main(void)
{
cpu_set_t cpu_mask;
sched_getaffinity(0, sizeof(cpu_mask), &cpu_mask);
return CPU_COUNT(&cpu_mask);
}
]])], [tuklib_cv_cpucores_method=sched_getaffinity], [
# FreeBSD has both cpuset and sysctl. Look for cpuset first because
# it's a better approach.
#
# This test would match on GNU/kFreeBSD too but it would require
# -lfreebsd-glue when linking and thus in the current form this would
# fail on GNU/kFreeBSD. The above test for sched_getaffinity() matches
# on GNU/kFreeBSD so the test below should never run on that OS.
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <sys/param.h>
#include <sys/cpuset.h>
int
main(void)
{
cpuset_t set;
cpuset_getaffinity(CPU_LEVEL_WHICH, CPU_WHICH_PID, -1,
sizeof(set), &set);
return 0;
}
]])], [tuklib_cv_cpucores_method=cpuset], [
# On OS/2, both sysconf() and sysctl() pass the tests in this file,
# but only sysctl() works. On QNX it's the opposite: only sysconf() works
# (although it assumes that _POSIX_SOURCE, _XOPEN_SOURCE, and _POSIX_C_SOURCE
# are undefined or alternatively _QNX_SOURCE is defined).
#
# We test sysctl() first and intentionally break the sysctl() test on QNX
# so that sysctl() is never used on QNX.
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#ifdef __QNX__
compile error
#endif
#ifdef HAVE_SYS_PARAM_H
# include <sys/param.h>
#endif
#include <sys/sysctl.h>
int
main(void)
{
#ifdef HW_NCPUONLINE
/* This is preferred on OpenBSD, see tuklib_cpucores.c. */
int name[2] = { CTL_HW, HW_NCPUONLINE };
#else
int name[2] = { CTL_HW, HW_NCPU };
#endif
int cpus;
size_t cpus_size = sizeof(cpus);
sysctl(name, 2, &cpus, &cpus_size, NULL, 0);
return 0;
}
]])], [tuklib_cv_cpucores_method=sysctl], [
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <unistd.h>
int
main(void)
{
long i;
#ifdef _SC_NPROCESSORS_ONLN
/* Many systems using sysconf() */
i = sysconf(_SC_NPROCESSORS_ONLN);
#else
/* IRIX */
i = sysconf(_SC_NPROC_ONLN);
#endif
return 0;
}
]])], [tuklib_cv_cpucores_method=sysconf], [
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <sys/param.h>
#include <sys/pstat.h>
int
main(void)
{
struct pst_dynamic pst;
pstat_getdynamic(&pst, sizeof(pst), 1, 0);
(void)pst.psd_proc_cnt;
return 0;
}
]])], [tuklib_cv_cpucores_method=pstat_getdynamic], [
tuklib_cv_cpucores_method=unknown
])])])])])])])
case $tuklib_cv_cpucores_method in
sched_getaffinity)
AC_DEFINE([TUKLIB_CPUCORES_SCHED_GETAFFINITY], [1],
[Define to 1 if the number of available CPU cores
can be detected with sched_getaffinity()])
;;
cpuset)
AC_DEFINE([TUKLIB_CPUCORES_CPUSET], [1],
[Define to 1 if the number of available CPU cores
can be detected with cpuset(2).])
;;
sysctl)
AC_DEFINE([TUKLIB_CPUCORES_SYSCTL], [1],
[Define to 1 if the number of available CPU cores
can be detected with sysctl().])
;;
sysconf)
AC_DEFINE([TUKLIB_CPUCORES_SYSCONF], [1],
[Define to 1 if the number of available CPU cores
can be detected with sysconf(_SC_NPROCESSORS_ONLN)
or sysconf(_SC_NPROC_ONLN).])
;;
pstat_getdynamic)
AC_DEFINE([TUKLIB_CPUCORES_PSTAT_GETDYNAMIC], [1],
[Define to 1 if the number of available CPU cores
can be detected with pstat_getdynamic().])
;;
esac
])dnl

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