cmake/OpenCVFindOpenEXR.cmake

   1 # The script is taken from http://code.google.com/p/nvidia-texture-tools/
   2
   3 #
   4 # Try to find OpenEXR's libraries, and include path.
   5 # Once done this will define:
   6 #
   7 # OPENEXR_FOUND = OpenEXR found.
   8 # OPENEXR_INCLUDE_PATHS = OpenEXR include directories.
   9 # OPENEXR_LIBRARIES = libraries that are needed to use OpenEXR.
  10 #
  11
  12 SET(OPENEXR_LIBRARIES "")
  13 SET(OPENEXR_LIBSEARCH_SUFFIXES "")
  14 file(TO_CMAKE_PATH "$ENV{ProgramFiles}" ProgramFiles_ENV_PATH)
  15
  16 if(WIN32)
  17     SET(OPENEXR_ROOT "C:/Deploy" CACHE STRING "Path to the OpenEXR \"Deploy\" folder")
  18     if(CMAKE_CL_64)
  19         SET(OPENEXR_LIBSEARCH_SUFFIXES x64/Release x64 x64/Debug)
  20     elseif(MSVC)
  21         SET(OPENEXR_LIBSEARCH_SUFFIXES Win32/Release Win32 Win32/Debug)
  22     endif()
  23 else()
  24     set(OPENEXR_ROOT "")
  25 endif()
  26
  27 SET(LIBRARY_PATHS
  28     /usr/lib
  29     /usr/local/lib
  30     /sw/lib
  31     /opt/local/lib
  32     "${ProgramFiles_ENV_PATH}/OpenEXR/lib/static"
  33     "${OPENEXR_ROOT}/lib")
  34
  35 FIND_PATH(OPENEXR_INCLUDE_PATH ImfRgbaFile.h
  36     PATH_SUFFIXES OpenEXR
  37     PATHS
  38     /usr/include
  39     /usr/local/include
  40     /sw/include
  41     /opt/local/include
  42     "${ProgramFiles_ENV_PATH}/OpenEXR/include"
  43     "${OPENEXR_ROOT}/include")
  44
  45 FIND_LIBRARY(OPENEXR_HALF_LIBRARY
  46     NAMES Half
  47     PATH_SUFFIXES ${OPENEXR_LIBSEARCH_SUFFIXES}
  48     PATHS ${LIBRARY_PATHS})
  49
  50 FIND_LIBRARY(OPENEXR_IEX_LIBRARY
  51     NAMES Iex
  52     PATH_SUFFIXES ${OPENEXR_LIBSEARCH_SUFFIXES}
  53     PATHS ${LIBRARY_PATHS})
  54
  55 FIND_LIBRARY(OPENEXR_IMATH_LIBRARY
  56     NAMES Imath
  57     PATH_SUFFIXES ${OPENEXR_LIBSEARCH_SUFFIXES}
  58     PATHS ${LIBRARY_PATHS})
  59
  60 FIND_LIBRARY(OPENEXR_ILMIMF_LIBRARY
  61     NAMES IlmImf
  62     PATH_SUFFIXES ${OPENEXR_LIBSEARCH_SUFFIXES}
  63     PATHS ${LIBRARY_PATHS})
  64
  65 FIND_LIBRARY(OPENEXR_ILMTHREAD_LIBRARY
  66     NAMES IlmThread
  67     PATH_SUFFIXES ${OPENEXR_LIBSEARCH_SUFFIXES}
  68     PATHS ${LIBRARY_PATHS})
  69
  70 IF (OPENEXR_INCLUDE_PATH AND OPENEXR_IMATH_LIBRARY AND OPENEXR_ILMIMF_LIBRARY AND OPENEXR_IEX_LIBRARY AND OPENEXR_HALF_LIBRARY)
  71     SET(OPENEXR_FOUND TRUE)
  72     SET(OPENEXR_INCLUDE_PATHS ${OPENEXR_INCLUDE_PATH} CACHE PATH "The include paths needed to use OpenEXR")
  73     SET(OPENEXR_LIBRARIES ${OPENEXR_IMATH_LIBRARY} ${OPENEXR_ILMIMF_LIBRARY} ${OPENEXR_IEX_LIBRARY} ${OPENEXR_HALF_LIBRARY} ${OPENEXR_ILMTHREAD_LIBRARY} CACHE STRING "The libraries needed to use OpenEXR" FORCE)
  74 ENDIF ()
  75
  76 IF(OPENEXR_FOUND)
  77   IF(NOT OPENEXR_FIND_QUIETLY)
  78     MESSAGE(STATUS "Found OpenEXR: ${OPENEXR_ILMIMF_LIBRARY}")
  79   ENDIF()
  80   if(PKG_CONFIG_FOUND AND NOT OPENEXR_VERSION)
  81     get_filename_component(OPENEXR_LIB_PATH "${OPENEXR_ILMIMF_LIBRARY}" PATH)
  82     if(EXISTS "${OPENEXR_LIB_PATH}/pkgconfig/OpenEXR.pc")
  83       execute_process(COMMAND ${PKG_CONFIG_EXECUTABLE} --modversion "${OPENEXR_LIB_PATH}/pkgconfig/OpenEXR.pc"
  84                       RESULT_VARIABLE PKG_CONFIG_PROCESS
  85                       OUTPUT_VARIABLE OPENEXR_VERSION
  86                       OUTPUT_STRIP_TRAILING_WHITESPACE ERROR_QUIET)
  87       if(NOT PKG_CONFIG_PROCESS EQUAL 0)
  88         SET(OPENEXR_VERSION "Unknown")
  89       endif()
  90     endif()
  91   endif()
  92   if(NOT OPENEXR_VERSION)
  93     SET(OPENEXR_VERSION "Unknown")
  94   endif()
  95 ELSE()
  96   IF(OPENEXR_FIND_REQUIRED)
  97     MESSAGE(FATAL_ERROR "Could not find OpenEXR library")
  98   ENDIF()
  99 ENDIF()
 100
 101 MARK_AS_ADVANCED(
 102     OPENEXR_INCLUDE_PATHS
 103     OPENEXR_LIBRARIES
 104     OPENEXR_ILMIMF_LIBRARY
 105     OPENEXR_IMATH_LIBRARY
 106     OPENEXR_IEX_LIBRARY
 107     OPENEXR_HALF_LIBRARY
 108     OPENEXR_ILMTHREAD_LIBRARY)