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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.
#
if(NOT OPENCV_SKIP_OPENEXR_FIND_PACKAGE)
find_package(OpenEXR 3 QUIET)
#ocv_cmake_dump_vars(EXR)
if(OpenEXR_FOUND)
if(TARGET OpenEXR::OpenEXR) # OpenEXR 3+
set(OPENEXR_LIBRARIES OpenEXR::OpenEXR)
set(OPENEXR_INCLUDE_PATHS "")
set(OPENEXR_VERSION "${OpenEXR_VERSION}")
set(OPENEXR_FOUND 1)
return()
else()
message(STATUS "Unsupported find_package(OpenEXR) - missing OpenEXR::OpenEXR target (version ${OpenEXR_VERSION})")
endif()
endif()
endif()
SET(OPENEXR_LIBRARIES "")
SET(OPENEXR_LIBSEARCH_SUFFIXES "")
file(TO_CMAKE_PATH "$ENV{ProgramFiles}" ProgramFiles_ENV_PATH)
if(WIN32)
SET(OPENEXR_ROOT "C:/Deploy" CACHE STRING "Path to the OpenEXR \"Deploy\" folder")
if(X86_64)
SET(OPENEXR_LIBSEARCH_SUFFIXES x64/Release x64 x64/Debug)
elseif(MSVC)
SET(OPENEXR_LIBSEARCH_SUFFIXES Win32/Release Win32 Win32/Debug)
endif()
elseif(UNIX)
SET(OPENEXR_LIBSEARCH_SUFFIXES ${CMAKE_LIBRARY_ARCHITECTURE})
endif()
SET(SEARCH_PATHS
"${OPENEXR_ROOT}"
/usr
/usr/local
/sw
/opt
"${ProgramFiles_ENV_PATH}/OpenEXR")
MACRO(FIND_OPENEXR_LIBRARY LIBRARY_NAME LIBRARY_SUFFIX)
string(TOUPPER "${LIBRARY_NAME}" LIBRARY_NAME_UPPER)
FIND_LIBRARY(OPENEXR_${LIBRARY_NAME_UPPER}_LIBRARY
NAMES ${LIBRARY_NAME}${LIBRARY_SUFFIX}
PATH_SUFFIXES ${OPENEXR_LIBSEARCH_SUFFIXES}
NO_DEFAULT_PATH
PATHS "${SEARCH_PATH}/lib" "${SEARCH_PATH}/lib/static")
ENDMACRO()
MACRO(ocv_find_openexr LIBRARY_SUFFIX)
IF(NOT OPENEXR_FOUND)
FIND_OPENEXR_LIBRARY("Half" "${LIBRARY_SUFFIX}")
FIND_OPENEXR_LIBRARY("Iex" "${LIBRARY_SUFFIX}")
FIND_OPENEXR_LIBRARY("Imath" "${LIBRARY_SUFFIX}")
FIND_OPENEXR_LIBRARY("IlmImf" "${LIBRARY_SUFFIX}")
FIND_OPENEXR_LIBRARY("IlmThread" "${LIBRARY_SUFFIX}")
IF (OPENEXR_INCLUDE_PATH AND OPENEXR_IMATH_LIBRARY AND OPENEXR_ILMIMF_LIBRARY AND OPENEXR_IEX_LIBRARY AND OPENEXR_HALF_LIBRARY AND OPENEXR_ILMTHREAD_LIBRARY)
SET(OPENEXR_FOUND TRUE)
ELSE()
UNSET(OPENEXR_IMATH_LIBRARY)
UNSET(OPENEXR_ILMIMF_LIBRARY)
UNSET(OPENEXR_IEX_LIBRARY)
UNSET(OPENEXR_ILMTHREAD_LIBRARY)
UNSET(OPENEXR_HALF_LIBRARY)
ENDIF()
ENDIF()
ENDMACRO()
FOREACH(SEARCH_PATH ${SEARCH_PATHS})
FIND_PATH(OPENEXR_INCLUDE_PATH ImfRgbaFile.h
PATH_SUFFIXES OpenEXR
NO_DEFAULT_PATH
PATHS
"${SEARCH_PATH}/include")
IF (OPENEXR_INCLUDE_PATH)
SET(OPENEXR_VERSION_FILE "${OPENEXR_INCLUDE_PATH}/OpenEXRConfig.h")
IF (EXISTS ${OPENEXR_VERSION_FILE})
FILE (STRINGS ${OPENEXR_VERSION_FILE} contents REGEX "#define OPENEXR_VERSION_MAJOR ")
IF (${contents} MATCHES "#define OPENEXR_VERSION_MAJOR ([0-9]+)")
SET(OPENEXR_VERSION_MAJOR "${CMAKE_MATCH_1}")
ENDIF ()
FILE (STRINGS ${OPENEXR_VERSION_FILE} contents REGEX "#define OPENEXR_VERSION_MINOR ")
IF (${contents} MATCHES "#define OPENEXR_VERSION_MINOR ([0-9]+)")
SET(OPENEXR_VERSION_MINOR "${CMAKE_MATCH_1}")
ENDIF ()
ENDIF ()
ENDIF ()
IF (OPENEXR_VERSION_MAJOR AND OPENEXR_VERSION_MINOR)
set(OPENEXR_VERSION "${OPENEXR_VERSION_MAJOR}_${OPENEXR_VERSION_MINOR}")
ENDIF ()
ocv_find_openexr("-${OPENEXR_VERSION}")
ocv_find_openexr("-${OPENEXR_VERSION}_s")
ocv_find_openexr("-${OPENEXR_VERSION}_d")
ocv_find_openexr("-${OPENEXR_VERSION}_s_d")
ocv_find_openexr("")
ocv_find_openexr("_s")
ocv_find_openexr("_d")
ocv_find_openexr("_s_d")
IF (OPENEXR_FOUND)
BREAK()
ENDIF()
UNSET(OPENEXR_INCLUDE_PATH)
UNSET(OPENEXR_VERSION_FILE)
UNSET(OPENEXR_VERSION_MAJOR)
UNSET(OPENEXR_VERSION_MINOR)
UNSET(OPENEXR_VERSION)
ENDFOREACH()
IF (OPENEXR_FOUND)
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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