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# - Find OpenEXR library
# Find the native OpenEXR includes and library
# This module defines
# OPENEXR_INCLUDE_DIRS, where to find ImfXdr.h, etc. Set when
# OPENEXR_INCLUDE_DIR is found.
# OPENEXR_LIBRARIES, libraries to link against to use OpenEXR.
# OPENEXR_ROOT_DIR, The base directory to search for OpenEXR.
# This can also be an environment variable.
# OPENEXR_FOUND, If false, do not try to use OpenEXR.
#
# For individual library access these advanced settings are available
# OPENEXR_HALF_LIBRARY, Path to Half library
# OPENEXR_IEX_LIBRARY, Path to Half library
# OPENEXR_ILMIMF_LIBRARY, Path to Ilmimf library
# OPENEXR_ILMTHREAD_LIBRARY, Path to IlmThread library
# OPENEXR_IMATH_LIBRARY, Path to Imath library
#
# also defined, but not for general use are
# OPENEXR_LIBRARY, where to find the OpenEXR library.
#=============================================================================
# Copyright 2011 Blender Foundation.
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
# If OPENEXR_ROOT_DIR was defined in the environment, use it.
IF(NOT OPENEXR_ROOT_DIR AND NOT $ENV{OPENEXR_ROOT_DIR} STREQUAL "")
SET(OPENEXR_ROOT_DIR $ENV{OPENEXR_ROOT_DIR})
ENDIF()
if (NOT OPENEXR_VERSION)
SET(OPENEXR_VERSION "2.0.1")
endif()
if (${OPENEXR_VERSION} VERSION_LESS "2.1")
SET(_openexr_FIND_COMPONENTS
Half
Iex
IlmImf
IlmThread
Imath
)
else ()
string(REGEX REPLACE "([0-9]+)[.]([0-9]+).*" "\\1_\\2" _openexr_libs_ver ${OPENEXR_VERSION})
SET(_openexr_FIND_COMPONENTS
Half
Iex-${_openexr_libs_ver}
IlmImf-${_openexr_libs_ver}
IlmThread-${_openexr_libs_ver}
Imath-${_openexr_libs_ver}
)
endif ()
SET(_openexr_SEARCH_DIRS
${OPENEXR_ROOT_DIR}
/usr/local
/sw # Fink
/opt/local # DarwinPorts
/opt/csw # Blastwave
)
FIND_PATH(OPENEXR_INCLUDE_DIR
NAMES
OpenEXR/ImfXdr.h
HINTS
${_openexr_SEARCH_DIRS}
PATH_SUFFIXES
include
)
SET(_openexr_LIBRARIES)
FOREACH(COMPONENT ${_openexr_FIND_COMPONENTS})
STRING(TOUPPER ${COMPONENT} UPPERCOMPONENT)
FIND_LIBRARY(OPENEXR_${UPPERCOMPONENT}_LIBRARY
NAMES
${COMPONENT}
HINTS
${_openexr_SEARCH_DIRS}
PATH_SUFFIXES
lib64 lib
)
LIST(APPEND _openexr_LIBRARIES "${OPENEXR_${UPPERCOMPONENT}_LIBRARY}")
ENDFOREACH()
# handle the QUIETLY and REQUIRED arguments and set OPENEXR_FOUND to TRUE if
# all listed variables are TRUE
INCLUDE(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(OpenEXR DEFAULT_MSG
_openexr_LIBRARIES OPENEXR_INCLUDE_DIR)
IF(OPENEXR_FOUND)
SET(OPENEXR_LIBRARIES ${_openexr_LIBRARIES})
# Both include paths are needed because of dummy OSL headers mixing #include <OpenEXR/foo.h> and #include <foo.h> :(
SET(OPENEXR_INCLUDE_DIRS ${OPENEXR_INCLUDE_DIR} ${OPENEXR_INCLUDE_DIR}/OpenEXR)
ENDIF()
MARK_AS_ADVANCED(OPENEXR_INCLUDE_DIR)
FOREACH(COMPONENT ${_openexr_FIND_COMPONENTS})
STRING(TOUPPER ${COMPONENT} UPPERCOMPONENT)
MARK_AS_ADVANCED(OPENEXR_${UPPERCOMPONENT}_LIBRARY)
ENDFOREACH()
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