build_files/cmake/Modules/FindOpenEXR.cmake

   1 # - Find OpenEXR library
   2 # Find the native OpenEXR includes and library
   3 # This module defines
   4 #  OPENEXR_INCLUDE_DIRS, where to find ImfXdr.h, etc. Set when
   5 #                        OPENEXR_INCLUDE_DIR is found.
   6 #  OPENEXR_LIBRARIES, libraries to link against to use OpenEXR.
   7 #  OPENEXR_ROOT_DIR, The base directory to search for OpenEXR.
   8 #                    This can also be an environment variable.
   9 #  OPENEXR_FOUND, If false, do not try to use OpenEXR.
  10 #
  11 # For indervidual library access these advanced settings are available
  12 #  OPENEXR_HALF_LIBRARY, Path to Half library
  13 #  OPENEXR_IEX_LIBRARY, Path to Half library
  14 #  OPENEXR_ILMIMF_LIBRARY, Path to Ilmimf library
  15 #  OPENEXR_ILMTHREAD_LIBRARY, Path to IlmThread library
  16 #  OPENEXR_IMATH_LIBRARY, Path to Imath library
  17 #
  18 # also defined, but not for general use are
  19 #  OPENEXR_LIBRARY, where to find the OpenEXR library.
  20
  21 #=============================================================================
  22 # Copyright 2011 Blender Foundation.
  23 #
  24 # Distributed under the OSI-approved BSD License (the "License");
  25 # see accompanying file Copyright.txt for details.
  26 #
  27 # This software is distributed WITHOUT ANY WARRANTY; without even the
  28 # implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  29 # See the License for more information.
  30 #=============================================================================
  31
  32 # If OPENEXR_ROOT_DIR was defined in the environment, use it.
  33 IF(NOT OPENEXR_ROOT_DIR AND NOT $ENV{OPENEXR_ROOT_DIR} STREQUAL "")
  34   SET(OPENEXR_ROOT_DIR $ENV{OPENEXR_ROOT_DIR})
  35 ENDIF()
  36
  37 SET(_openexr_FIND_COMPONENTS
  38   Half
  39   Iex
  40   IlmImf
  41   IlmThread
  42   Imath
  43 )
  44
  45 SET(_openexr_SEARCH_DIRS
  46   ${OPENEXR_ROOT_DIR}
  47   /usr/local
  48   /sw # Fink
  49   /opt/local # DarwinPorts
  50   /opt/csw # Blastwave
  51 )
  52
  53 FIND_PATH(OPENEXR_INCLUDE_DIR
  54   NAMES
  55     ImfXdr.h
  56   HINTS
  57     ${_openexr_SEARCH_DIRS}
  58   PATH_SUFFIXES
  59     include/OpenEXR
  60 )
  61
  62 SET(_openexr_LIBRARIES)
  63 FOREACH(COMPONENT ${_openexr_FIND_COMPONENTS})
  64   STRING(TOUPPER ${COMPONENT} UPPERCOMPONENT)
  65
  66   FIND_LIBRARY(OPENEXR_${UPPERCOMPONENT}_LIBRARY
  67     NAMES
  68       ${COMPONENT}
  69     HINTS
  70       ${_openexr_SEARCH_DIRS}
  71     PATH_SUFFIXES
  72       lib64 lib
  73     )
  74   LIST(APPEND _openexr_LIBRARIES "${OPENEXR_${UPPERCOMPONENT}_LIBRARY}")
  75 ENDFOREACH()
  76
  77 # handle the QUIETLY and REQUIRED arguments and set OPENEXR_FOUND to TRUE if
  78 # all listed variables are TRUE
  79 INCLUDE(FindPackageHandleStandardArgs)
  80 FIND_PACKAGE_HANDLE_STANDARD_ARGS(OpenEXR  DEFAULT_MSG
  81     _openexr_LIBRARIES OPENEXR_INCLUDE_DIR)
  82
  83 IF(OPENEXR_FOUND)
  84   SET(OPENEXR_LIBRARIES ${_openexr_LIBRARIES})
  85   SET(OPENEXR_INCLUDE_DIRS ${OPENEXR_INCLUDE_DIR})
  86 ENDIF()
  87
  88 MARK_AS_ADVANCED(OPENEXR_INCLUDE_DIR)
  89 FOREACH(COMPONENT ${_openexr_FIND_COMPONENTS})
  90   STRING(TOUPPER ${COMPONENT} UPPERCOMPONENT)
  91   MARK_AS_ADVANCED(OPENEXR_${UPPERCOMPONENT}_LIBRARY)
  92 ENDFOREACH()