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# The script is taken from http://code.google.com/p/nvidia-texture-tools/
#
# Try to find OpenEXR's libraries, and include path.
# Once done this will define:
#
# OPENEXR_FOUND = OpenEXR found.
# OPENEXR_INCLUDE_PATHS = OpenEXR include directories.
# OPENEXR_LIBRARIES = libraries that are needed to use OpenEXR.
#
SET(OPENEXR_LIBRARIES "")
SET(OPENEXR_LIBSEARCH_SUFFIXES "")
file(TO_CMAKE_PATH "$ENV{ProgramFiles}" ProgramFiles_ENV_PATH)
if(WIN32)
SET(OPENEXR_ROOT "C:/Deploy" CACHE STRING "Path to the OpenEXR \"Deploy\" folder")
if(CMAKE_CL_64)
SET(OPENEXR_LIBSEARCH_SUFFIXES x64/Release x64 x64/Debug)
elseif(MSVC)
SET(OPENEXR_LIBSEARCH_SUFFIXES Win32/Release Win32 Win32/Debug)
endif()
else()
set(OPENEXR_ROOT "")
endif()
SET(LIBRARY_PATHS
/usr/lib
/usr/local/lib
/sw/lib
/opt/local/lib
"${ProgramFiles_ENV_PATH}/OpenEXR/lib/static"
"${OPENEXR_ROOT}/lib")
FIND_PATH(OPENEXR_INCLUDE_PATH ImfRgbaFile.h
PATH_SUFFIXES OpenEXR
PATHS
/usr/include
/usr/local/include
/sw/include
/opt/local/include
"${ProgramFiles_ENV_PATH}/OpenEXR/include"
"${OPENEXR_ROOT}/include")
FIND_LIBRARY(OPENEXR_HALF_LIBRARY
NAMES Half
PATH_SUFFIXES ${OPENEXR_LIBSEARCH_SUFFIXES}
PATHS ${LIBRARY_PATHS})
FIND_LIBRARY(OPENEXR_IEX_LIBRARY
NAMES Iex
PATH_SUFFIXES ${OPENEXR_LIBSEARCH_SUFFIXES}
PATHS ${LIBRARY_PATHS})
FIND_LIBRARY(OPENEXR_IMATH_LIBRARY
NAMES Imath
PATH_SUFFIXES ${OPENEXR_LIBSEARCH_SUFFIXES}
PATHS ${LIBRARY_PATHS})
FIND_LIBRARY(OPENEXR_ILMIMF_LIBRARY
NAMES IlmImf
PATH_SUFFIXES ${OPENEXR_LIBSEARCH_SUFFIXES}
PATHS ${LIBRARY_PATHS})
FIND_LIBRARY(OPENEXR_ILMTHREAD_LIBRARY
NAMES IlmThread
PATH_SUFFIXES ${OPENEXR_LIBSEARCH_SUFFIXES}
PATHS ${LIBRARY_PATHS})
IF (OPENEXR_INCLUDE_PATH AND OPENEXR_IMATH_LIBRARY AND OPENEXR_ILMIMF_LIBRARY AND OPENEXR_IEX_LIBRARY AND OPENEXR_HALF_LIBRARY)
SET(OPENEXR_FOUND TRUE)
SET(OPENEXR_INCLUDE_PATHS ${OPENEXR_INCLUDE_PATH} CACHE PATH "The include paths needed to use OpenEXR")
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)
ENDIF ()
IF(OPENEXR_FOUND)
IF(NOT OPENEXR_FIND_QUIETLY)
MESSAGE(STATUS "Found OpenEXR: ${OPENEXR_ILMIMF_LIBRARY}")
ENDIF()
if(PKG_CONFIG_FOUND AND NOT OPENEXR_VERSION)
get_filename_component(OPENEXR_LIB_PATH "${OPENEXR_ILMIMF_LIBRARY}" PATH)
if(EXISTS "${OPENEXR_LIB_PATH}/pkgconfig/OpenEXR.pc")
execute_process(COMMAND ${PKG_CONFIG_EXECUTABLE} --modversion "${OPENEXR_LIB_PATH}/pkgconfig/OpenEXR.pc"
RESULT_VARIABLE PKG_CONFIG_PROCESS
OUTPUT_VARIABLE OPENEXR_VERSION
OUTPUT_STRIP_TRAILING_WHITESPACE ERROR_QUIET)
if(NOT PKG_CONFIG_PROCESS EQUAL 0)
SET(OPENEXR_VERSION "Unknown")
endif()
endif()
endif()
if(NOT OPENEXR_VERSION)
SET(OPENEXR_VERSION "Unknown")
endif()
ELSE()
IF(OPENEXR_FIND_REQUIRED)
MESSAGE(FATAL_ERROR "Could not find OpenEXR library")
ENDIF()
ENDIF()
MARK_AS_ADVANCED(
OPENEXR_INCLUDE_PATHS
OPENEXR_LIBRARIES
OPENEXR_ILMIMF_LIBRARY
OPENEXR_IMATH_LIBRARY
OPENEXR_IEX_LIBRARY
OPENEXR_HALF_LIBRARY
OPENEXR_ILMTHREAD_LIBRARY)
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