Qt/QML edition

dependencies/cmcurl/CMake/FindGSS.cmake

@@ -0,0 +1,285 @@
+# - Try to find the GSS Kerberos library
+# Once done this will define
+#
+#  GSS_ROOT_DIR - Set this variable to the root installation of GSS
+#
+# Read-Only variables:
+#  GSS_FOUND - system has the Heimdal library
+#  GSS_FLAVOUR - "MIT" or "Heimdal" if anything found.
+#  GSS_INCLUDE_DIR - the Heimdal include directory
+#  GSS_LIBRARIES - The libraries needed to use GSS
+#  GSS_LINK_DIRECTORIES - Directories to add to linker search path
+#  GSS_LINKER_FLAGS - Additional linker flags
+#  GSS_COMPILER_FLAGS - Additional compiler flags
+#  GSS_VERSION - This is set to version advertised by pkg-config or read from manifest.
+#                In case the library is found but no version info available it'll be set to "unknown"
+
+set(_MIT_MODNAME mit-krb5-gssapi)
+set(_HEIMDAL_MODNAME heimdal-gssapi)
+
+include(CheckIncludeFile)
+include(CheckIncludeFiles)
+include(CheckTypeSize)
+
+set(_GSS_ROOT_HINTS
+    "${GSS_ROOT_DIR}"
+    "$ENV{GSS_ROOT_DIR}"
+)
+
+# try to find library using system pkg-config if user didn't specify root dir
+if(NOT GSS_ROOT_DIR AND NOT "$ENV{GSS_ROOT_DIR}")
+  if(UNIX)
+    find_package(PkgConfig QUIET)
+    pkg_search_module(_GSS_PKG ${_MIT_MODNAME} ${_HEIMDAL_MODNAME})
+    list(APPEND _GSS_ROOT_HINTS "${_GSS_PKG_PREFIX}")
+  elseif(WIN32)
+    list(APPEND _GSS_ROOT_HINTS "[HKEY_LOCAL_MACHINE\\SOFTWARE\\MIT\\Kerberos;InstallDir]")
+  endif()
+endif()
+
+if(NOT _GSS_FOUND) #not found by pkg-config. Let's take more traditional approach.
+  find_file(_GSS_CONFIGURE_SCRIPT
+      NAMES
+          "krb5-config"
+      HINTS
+          ${_GSS_ROOT_HINTS}
+      PATH_SUFFIXES
+          bin
+      NO_CMAKE_PATH
+      NO_CMAKE_ENVIRONMENT_PATH
+  )
+
+  # if not found in user-supplied directories, maybe system knows better
+  find_file(_GSS_CONFIGURE_SCRIPT
+      NAMES
+          "krb5-config"
+      PATH_SUFFIXES
+          bin
+  )
+
+  if(_GSS_CONFIGURE_SCRIPT)
+    execute_process(
+          COMMAND ${_GSS_CONFIGURE_SCRIPT} "--cflags" "gssapi"
+          OUTPUT_VARIABLE _GSS_CFLAGS
+          RESULT_VARIABLE _GSS_CONFIGURE_FAILED
+      )
+    message(STATUS "CFLAGS: ${_GSS_CFLAGS}")
+    if(NOT _GSS_CONFIGURE_FAILED) # 0 means success
+      # should also work in an odd case when multiple directories are given
+      string(STRIP "${_GSS_CFLAGS}" _GSS_CFLAGS)
+      string(REGEX REPLACE " +-I" ";" _GSS_CFLAGS "${_GSS_CFLAGS}")
+      string(REGEX REPLACE " +-([^I][^ \\t;]*)" ";-\\1" _GSS_CFLAGS "${_GSS_CFLAGS}")
+
+      foreach(_flag ${_GSS_CFLAGS})
+        if(_flag MATCHES "^-I.*")
+          string(REGEX REPLACE "^-I" "" _val "${_flag}")
+          list(APPEND _GSS_INCLUDE_DIR "${_val}")
+        else()
+          list(APPEND _GSS_COMPILER_FLAGS "${_flag}")
+        endif()
+      endforeach()
+    endif()
+
+    execute_process(
+        COMMAND ${_GSS_CONFIGURE_SCRIPT} "--libs" "gssapi"
+        OUTPUT_VARIABLE _GSS_LIB_FLAGS
+        RESULT_VARIABLE _GSS_CONFIGURE_FAILED
+    )
+    message(STATUS "LDFLAGS: ${_GSS_LIB_FLAGS}")
+
+    if(NOT _GSS_CONFIGURE_FAILED) # 0 means success
+      # this script gives us libraries and link directories. Blah. We have to deal with it.
+      string(STRIP "${_GSS_LIB_FLAGS}" _GSS_LIB_FLAGS)
+      string(REGEX REPLACE " +-(L|l)" ";-\\1" _GSS_LIB_FLAGS "${_GSS_LIB_FLAGS}")
+      string(REGEX REPLACE " +-([^Ll][^ \\t;]*)" ";-\\1" _GSS_LIB_FLAGS "${_GSS_LIB_FLAGS}")
+
+      foreach(_flag ${_GSS_LIB_FLAGS})
+        if(_flag MATCHES "^-l.*")
+          string(REGEX REPLACE "^-l" "" _val "${_flag}")
+          list(APPEND _GSS_LIBRARIES "${_val}")
+        elseif(_flag MATCHES "^-L.*")
+          string(REGEX REPLACE "^-L" "" _val "${_flag}")
+          list(APPEND _GSS_LINK_DIRECTORIES "${_val}")
+        else()
+          list(APPEND _GSS_LINKER_FLAGS "${_flag}")
+        endif()
+      endforeach()
+    endif()
+
+    execute_process(
+        COMMAND ${_GSS_CONFIGURE_SCRIPT} "--version"
+        OUTPUT_VARIABLE _GSS_VERSION
+        RESULT_VARIABLE _GSS_CONFIGURE_FAILED
+    )
+
+    # older versions may not have the "--version" parameter. In this case we just don't care.
+    if(_GSS_CONFIGURE_FAILED)
+      set(_GSS_VERSION 0)
+    endif()
+
+    execute_process(
+        COMMAND ${_GSS_CONFIGURE_SCRIPT} "--vendor"
+        OUTPUT_VARIABLE _GSS_VENDOR
+        RESULT_VARIABLE _GSS_CONFIGURE_FAILED
+    )
+
+    # older versions may not have the "--vendor" parameter. In this case we just don't care.
+    if(_GSS_CONFIGURE_FAILED)
+      set(GSS_FLAVOUR "Heimdal") # most probably, shouldn't really matter
+    else()
+      if(_GSS_VENDOR MATCHES ".*H|heimdal.*")
+        set(GSS_FLAVOUR "Heimdal")
+      else()
+        set(GSS_FLAVOUR "MIT")
+      endif()
+    endif()
+
+  else() # either there is no config script or we are on platform that doesn't provide one (Windows?)
+
+    find_path(_GSS_INCLUDE_DIR
+        NAMES
+            "gssapi/gssapi.h"
+        HINTS
+            ${_GSS_ROOT_HINTS}
+        PATH_SUFFIXES
+            include
+            inc
+    )
+
+    if(_GSS_INCLUDE_DIR) #jay, we've found something
+      set(CMAKE_REQUIRED_INCLUDES "${_GSS_INCLUDE_DIR}")
+      check_include_files( "gssapi/gssapi_generic.h;gssapi/gssapi_krb5.h" _GSS_HAVE_MIT_HEADERS)
+
+      if(_GSS_HAVE_MIT_HEADERS)
+        set(GSS_FLAVOUR "MIT")
+      else()
+        # prevent compiling the header - just check if we can include it
+        set(CMAKE_REQUIRED_DEFINITIONS "${CMAKE_REQUIRED_DEFINITIONS} -D__ROKEN_H__")
+        check_include_file( "roken.h" _GSS_HAVE_ROKEN_H)
+
+        check_include_file( "heimdal/roken.h" _GSS_HAVE_HEIMDAL_ROKEN_H)
+        if(_GSS_HAVE_ROKEN_H OR _GSS_HAVE_HEIMDAL_ROKEN_H)
+          set(GSS_FLAVOUR "Heimdal")
+        endif()
+        set(CMAKE_REQUIRED_DEFINITIONS "")
+      endif()
+    else()
+      # I'm not convienced if this is the right way but this is what autotools do at the moment
+      find_path(_GSS_INCLUDE_DIR
+          NAMES
+              "gssapi.h"
+          HINTS
+              ${_GSS_ROOT_HINTS}
+          PATH_SUFFIXES
+              include
+              inc
+      )
+
+      if(_GSS_INCLUDE_DIR)
+        set(GSS_FLAVOUR "Heimdal")
+      endif()
+    endif()
+
+    # if we have headers, check if we can link libraries
+    if(GSS_FLAVOUR)
+      set(_GSS_LIBDIR_SUFFIXES "")
+      set(_GSS_LIBDIR_HINTS ${_GSS_ROOT_HINTS})
+      get_filename_component(_GSS_CALCULATED_POTENTIAL_ROOT "${_GSS_INCLUDE_DIR}" PATH)
+      list(APPEND _GSS_LIBDIR_HINTS ${_GSS_CALCULATED_POTENTIAL_ROOT})
+
+      if(WIN32)
+        if(CMAKE_SIZEOF_VOID_P EQUAL 8)
+          list(APPEND _GSS_LIBDIR_SUFFIXES "lib/AMD64")
+          if(GSS_FLAVOUR STREQUAL "MIT")
+            set(_GSS_LIBNAME "gssapi64")
+          else()
+            set(_GSS_LIBNAME "libgssapi")
+          endif()
+        else()
+          list(APPEND _GSS_LIBDIR_SUFFIXES "lib/i386")
+          if(GSS_FLAVOUR STREQUAL "MIT")
+            set(_GSS_LIBNAME "gssapi32")
+          else()
+            set(_GSS_LIBNAME "libgssapi")
+          endif()
+        endif()
+      else()
+        list(APPEND _GSS_LIBDIR_SUFFIXES "lib;lib64") # those suffixes are not checked for HINTS
+        if(GSS_FLAVOUR STREQUAL "MIT")
+          set(_GSS_LIBNAME "gssapi_krb5")
+        else()
+          set(_GSS_LIBNAME "gssapi")
+        endif()
+      endif()
+
+      find_library(_GSS_LIBRARIES
+          NAMES
+              ${_GSS_LIBNAME}
+          HINTS
+              ${_GSS_LIBDIR_HINTS}
+          PATH_SUFFIXES
+              ${_GSS_LIBDIR_SUFFIXES}
+      )
+
+    endif()
+  endif()
+else()
+  if(_GSS_PKG_${_MIT_MODNAME}_VERSION)
+    set(GSS_FLAVOUR "MIT")
+    set(_GSS_VERSION _GSS_PKG_${_MIT_MODNAME}_VERSION)
+  else()
+    set(GSS_FLAVOUR "Heimdal")
+    set(_GSS_VERSION _GSS_PKG_${_MIT_HEIMDAL}_VERSION)
+  endif()
+endif()
+
+set(GSS_INCLUDE_DIR ${_GSS_INCLUDE_DIR})
+set(GSS_LIBRARIES ${_GSS_LIBRARIES})
+set(GSS_LINK_DIRECTORIES ${_GSS_LINK_DIRECTORIES})
+set(GSS_LINKER_FLAGS ${_GSS_LINKER_FLAGS})
+set(GSS_COMPILER_FLAGS ${_GSS_COMPILER_FLAGS})
+set(GSS_VERSION ${_GSS_VERSION})
+
+if(GSS_FLAVOUR)
+  if(NOT GSS_VERSION AND GSS_FLAVOUR STREQUAL "Heimdal")
+    if(CMAKE_SIZEOF_VOID_P EQUAL 8)
+      set(HEIMDAL_MANIFEST_FILE "Heimdal.Application.amd64.manifest")
+    else()
+      set(HEIMDAL_MANIFEST_FILE "Heimdal.Application.x86.manifest")
+    endif()
+
+    if(EXISTS "${GSS_INCLUDE_DIR}/${HEIMDAL_MANIFEST_FILE}")
+      file(STRINGS "${GSS_INCLUDE_DIR}/${HEIMDAL_MANIFEST_FILE}" heimdal_version_str
+           REGEX "^.*version=\"[0-9]\\.[^\"]+\".*$")
+
+      string(REGEX MATCH "[0-9]\\.[^\"]+"
+             GSS_VERSION "${heimdal_version_str}")
+    endif()
+
+    if(NOT GSS_VERSION)
+      set(GSS_VERSION "Heimdal Unknown")
+    endif()
+  elseif(NOT GSS_VERSION AND GSS_FLAVOUR STREQUAL "MIT")
+    get_filename_component(_MIT_VERSION "[HKEY_LOCAL_MACHINE\\SOFTWARE\\MIT\\Kerberos\\SDK\\CurrentVersion;VersionString]" NAME CACHE)
+    if(WIN32 AND _MIT_VERSION)
+      set(GSS_VERSION "${_MIT_VERSION}")
+    else()
+      set(GSS_VERSION "MIT Unknown")
+    endif()
+  endif()
+endif()
+
+include(FindPackageHandleStandardArgs)
+
+set(_GSS_REQUIRED_VARS GSS_LIBRARIES GSS_FLAVOUR)
+
+find_package_handle_standard_args(GSS
+    REQUIRED_VARS
+        ${_GSS_REQUIRED_VARS}
+    VERSION_VAR
+        GSS_VERSION
+    FAIL_MESSAGE
+        "Could NOT find GSS, try to set the path to GSS root folder in the system variable GSS_ROOT_DIR"
+)
+
+mark_as_advanced(GSS_INCLUDE_DIR GSS_LIBRARIES)