kernel/cmake/CMakeCreateFindPackage_FindLibrary.cmake.in

   1 # - Find a library installation or build tree.
   2 #
   3 # The following variables are set if @LIBRARY_NAME@ is found.
   4 # If @LIBRARY_NAME@ is not found, @LIBRARY_NAME@_FOUND is set to false.
   5 #  @LIBRARY_NAME@_FOUND         - Set to true when @LIBRARY_NAME@ is found.
   6 #  @LIBRARY_NAME@_USE_FILE      - CMake file to use @LIBRARY_NAME@.
   7 #  @LIBRARY_NAME@_MAJOR_VERSION - The @LIBRARY_NAME@ major version number.
   8 #  @LIBRARY_NAME@_MINOR_VERSION - The @LIBRARY_NAME@ minor version number
   9 #                       (odd non-release).
  10 #  @LIBRARY_NAME@_BUILD_VERSION - The @LIBRARY_NAME@ patch level
  11 #                       (meaningless for odd minor).
  12 #  @LIBRARY_NAME@_INCLUDE_DIRS  - Include directories for @LIBRARY_NAME@
  13 #  @LIBRARY_NAME@_LIBRARY_DIRS  - Link directories for @LIBRARY_NAME@ libraries
  14 #  @LIBRARY_NAME@_LIBRARIES     - List of libraries to link against
  15 #
  16 # The following cache entries must be set by the user to locate @LIBRARY_NAME@:
  17 #  @LIBRARY_NAME@_DIR  - The directory containing @LIBRARY_NAME@Config.cmake.
  18 #             This is either the root of the build tree,
  19 #             or the lib/@LIBRARY_NAME@ directory.  This is the
  20 #             only cache entry.
  21
  22
  23 # Construct consitent error messages for use below.
  24 SET(@LIBRARY_NAME@_DIR_DESCRIPTION "directory containing @LIBRARY_NAME@Config.cmake.  This is either the root of the build tree, or PREFIX/lib/@LIBRARY_NAME@ for an installation.")
  25 SET(@LIBRARY_NAME@_NOT_FOUND_MESSAGE "@LIBRARY_NAME@ not found.  Set the @LIBRARY_NAME@_DIR cmake cache entry to the ${@LIBRARY_NAME@_DIR_DESCRIPTION}")
  26
  27 # Search only if the location is not already known.
  28 IF(NOT @LIBRARY_NAME@_DIR)
  29   # Get the system search path as a list.
  30   IF(UNIX)
  31     STRING(REGEX MATCHALL "[^:]+" @LIBRARY_NAME@_DIR_SEARCH1 "$ENV{PATH}")
  32   ELSE(UNIX)
  33     STRING(REGEX REPLACE "\\\\" "/" @LIBRARY_NAME@_DIR_SEARCH1 "$ENV{PATH}")
  34   ENDIF(UNIX)
  35   STRING(REGEX REPLACE "/;" ";" @LIBRARY_NAME@_DIR_SEARCH2 "${@LIBRARY_NAME@_DIR_SEARCH1}")
  36
  37   # Construct a set of paths relative to the system search path.
  38   SET(@LIBRARY_NAME@_DIR_SEARCH "")
  39   FOREACH(dir ${@LIBRARY_NAME@_DIR_SEARCH2})
  40     SET(@LIBRARY_NAME@_DIR_SEARCH ${@LIBRARY_NAME@_DIR_SEARCH}
  41       ${dir}/../lib/@INSTALL_PATH@
  42       )
  43   ENDFOREACH(dir)
  44
  45   #
  46   # Look for an installation or build tree.
  47   #
  48   FIND_PATH(@LIBRARY_NAME@_DIR Use@LIBRARY_NAME@.cmake
  49     # Look for an environment variable @LIBRARY_NAME@_DIR.
  50     $ENV{@LIBRARY_NAME@_DIR}
  51
  52     # Look in places relative to the system executable search path.
  53     ${@LIBRARY_NAME@_DIR_SEARCH}
  54
  55     # Look in standard WIN install locations.
  56     "$ENV{ProgramFiles}/@LIBRARY_NAME@"
  57
  58     # Look in standard UNIX install locations.
  59     /usr/local/@INSTALL_PATH@
  60     /usr/@INSTALL_PATH@
  61
  62     # Read from the CMakeSetup registry entries.  It is likely that
  63     # @LIBRARY_NAME@ will have been recently built.
  64     [HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild1]
  65     [HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild2]
  66     [HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild3]
  67     [HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild4]
  68     [HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild5]
  69     [HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild6]
  70     [HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild7]
  71     [HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild8]
  72     [HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild9]
  73     [HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild10]
  74
  75     # Help the user find it if we cannot.
  76     DOC "The ${@LIBRARY_NAME@_DIR_DESCRIPTION}"
  77   )
  78 ENDIF(NOT @LIBRARY_NAME@_DIR)
  79
  80 # If @LIBRARY_NAME@ was found, load the configuration file to get the rest of the
  81 # settings.
  82 IF(@LIBRARY_NAME@_DIR)
  83   # Make sure the @LIBRARY_NAME@Config.cmake file exists in the directory provided.
  84   IF(EXISTS ${@LIBRARY_NAME@_DIR}/@LIBRARY_NAME@Config.cmake)
  85
  86     # We found @LIBRARY_NAME@.  Load the settings.
  87     SET(@LIBRARY_NAME@_FOUND 1)
  88     INCLUDE(${@LIBRARY_NAME@_DIR}/@LIBRARY_NAME@Config.cmake)
  89
  90   ENDIF(EXISTS ${@LIBRARY_NAME@_DIR}/@LIBRARY_NAME@Config.cmake)
  91 ELSE(@LIBRARY_NAME@_DIR)
  92   # We did not find @LIBRARY_NAME@.
  93   SET(@LIBRARY_NAME@_FOUND 0)
  94 ENDIF(@LIBRARY_NAME@_DIR)
  95
  96 #-----------------------------------------------------------------------------
  97 IF(NOT @LIBRARY_NAME@_FOUND)
  98   # @LIBRARY_NAME@ not found, explain to the user how to specify its location.
  99   IF(NOT @LIBRARY_NAME@_FIND_QUIETLY)
 100     MESSAGE(FATAL_ERROR ${@LIBRARY_NAME@_NOT_FOUND_MESSAGE})
 101   ELSE(NOT @LIBRARY_NAME@_FIND_QUIETLY)
 102     IF(@LIBRARY_NAME@_FIND_REQUIRED)
 103       MESSAGE(FATAL_ERROR ${@LIBRARY_NAME@_NOT_FOUND_MESSAGE})
 104     ENDIF(@LIBRARY_NAME@_FIND_REQUIRED)
 105   ENDIF(NOT @LIBRARY_NAME@_FIND_QUIETLY)
 106 ENDIF(NOT @LIBRARY_NAME@_FOUND)