lib/maracasVisuLib/include/Modules/FindGDCM.cmake

   1 # - Find a GDCM installation or build tree.
   2 # The following variables are set if GDCM is found.  If GDCM is not
   3 # found, GDCM_FOUND is set to false.
   4 #  GDCM_FOUND         - Set to true when GDCM is found.
   5 #  GDCM_USE_FILE      - CMake file to use GDCM.
   6 #  GDCM_MAJOR_VERSION - The GDCM major version number.
   7 #  GDCM_MINOR_VERSION - The GDCM minor version number
   8 #                       (odd non-release).
   9 #  GDCM_BUILD_VERSION - The GDCM patch level
  10 #                       (meaningless for odd minor).
  11 #  GDCM_INCLUDE_DIRS  - Include directories for GDCM
  12 #  GDCM_LIBRARY_DIRS  - Link directories for GDCM libraries
  13 #  GDCM_KITS          - List of GDCM kits, in CAPS
  14 #                      (COMMON,IO,) etc.
  15 #  GDCM_LANGUAGES     - List of wrapped languages, in CAPS
  16 #                      (TCL, PYHTON,) etc.
  17 # The following cache entries must be set by the user to locate GDCM:
  18 #  GDCM_DIR  - The directory containing GDCMConfig.cmake.
  19 #             This is either the root of the build tree,
  20 #             or the lib/vtk directory.  This is the
  21 #             only cache entry.
  22
  23
  24 # Construct consitent error messages for use below.
  25 SET(GDCM_DIR_DESCRIPTION "directory containing GDCMConfig.cmake.  This is either the root of the build tree, or PREFIX/lib/GDCM for an installation.")
  26 SET(GDCM_DIR_MESSAGE "GDCM not found.  Set the GDCM_DIR cmake cache entry to the ${GDCM_DIR_DESCRIPTION}")
  27
  28 # Search only if the location is not already known.
  29 IF(NOT GDCM_DIR)
  30   # Get the system search path as a list.
  31   IF(UNIX)
  32     STRING(REGEX MATCHALL "[^:]+" GDCM_DIR_SEARCH1 "$ENV{PATH}")
  33   ELSE(UNIX)
  34     STRING(REGEX REPLACE "\\\\" "/" GDCM_DIR_SEARCH1 "$ENV{PATH}")
  35   ENDIF(UNIX)
  36   STRING(REGEX REPLACE "/;" ";" GDCM_DIR_SEARCH2 "${GDCM_DIR_SEARCH1}")
  37
  38   # Construct a set of paths relative to the system search path.
  39   SET(GDCM_DIR_SEARCH "")
  40   FOREACH(dir ${GDCM_DIR_SEARCH2})
  41     SET(GDCM_DIR_SEARCH ${GDCM_DIR_SEARCH}
  42       ${dir}/../lib/GDCM
  43       )
  44   ENDFOREACH(dir)
  45
  46   #
  47   # Look for an installation or build tree.
  48   #
  49   FIND_PATH(GDCM_DIR GDCMConfig.cmake
  50     # Look for an environment variable GDCM_DIR.
  51     $ENV{GDCM_DIR}
  52
  53     # Look in places relative to the system executable search path.
  54     ${GDCM_DIR_SEARCH}
  55
  56     # Look in standard UNIX install locations.
  57     /usr/local/lib/GDCM
  58     /usr/lib/GDCM
  59
  60     # Read from the CMakeSetup registry entries.  It is likely that
  61     # GDCM will have been recently built.
  62     [HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild1]
  63     [HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild2]
  64     [HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild3]
  65     [HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild4]
  66     [HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild5]
  67     [HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild6]
  68     [HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild7]
  69     [HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild8]
  70     [HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild9]
  71     [HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild10]
  72
  73     # Help the user find it if we cannot.
  74     DOC "The ${GDCM_DIR_DESCRIPTION}"
  75   )
  76 ENDIF(NOT GDCM_DIR)
  77
  78 # If GDCM was found, load the configuration file to get the rest of the
  79 # settings.
  80 IF(GDCM_DIR)
  81   # Make sure the GDCMConfig.cmake file exists in the directory provided.
  82   IF(EXISTS ${GDCM_DIR}/GDCMConfig.cmake)
  83
  84     # We found GDCM.  Load the settings.
  85     SET(GDCM_FOUND 1)
  86     INCLUDE(${GDCM_DIR}/GDCMConfig.cmake)
  87
  88   ENDIF(EXISTS ${GDCM_DIR}/GDCMConfig.cmake)
  89 ELSE(GDCM_DIR)
  90   # We did not find GDCM.
  91   SET(GDCM_FOUND 0)
  92 ENDIF(GDCM_DIR)
  93
  94 #-----------------------------------------------------------------------------
  95 IF(NOT GDCM_FOUND)
  96   # GDCM not found, explain to the user how to specify its location.
  97   IF(NOT GDCM_FIND_QUIETLY)
  98     MESSAGE(FATAL_ERROR ${GDCM_DIR_MESSAGE})
  99   ELSE(NOT GDCM_FIND_QUIETLY)
 100     IF(GDCM_FIND_REQUIRED)
 101       MESSAGE(FATAL_ERROR ${GDCM_DIR_MESSAGE})
 102     ENDIF(GDCM_FIND_REQUIRED)
 103   ENDIF(NOT GDCM_FIND_QUIETLY)
 104 ENDIF(NOT GDCM_FOUND)