Differential D14128 Diff 48434 build_files/cmake/Modules/FindOpenEXR.cmake

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build_files/cmake/Modules/FindOpenEXR.cmake

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# If OPENEXR_ROOT_DIR was defined in the environment, use it.		# If OPENEXR_ROOT_DIR was defined in the environment, use it.
IF(NOT OPENEXR_ROOT_DIR AND NOT $ENV{OPENEXR_ROOT_DIR} STREQUAL "")		IF(NOT OPENEXR_ROOT_DIR AND NOT $ENV{OPENEXR_ROOT_DIR} STREQUAL "")
SET(OPENEXR_ROOT_DIR $ENV{OPENEXR_ROOT_DIR})		SET(OPENEXR_ROOT_DIR $ENV{OPENEXR_ROOT_DIR})
ENDIF()		ENDIF()

# Old versions (before 2.0?) do not have any version string, just assuming this should be fine though.		# Old versions (before 2.0?) do not have any version string, just assuming this should be fine though.
SET(_openexr_libs_ver_init "2.0")		SET(_openexr_libs_ver_init "2.0")

SET(_openexr_FIND_COMPONENTS
Half
Iex
IlmImf
IlmThread
Imath
)

SET(_openexr_SEARCH_DIRS		SET(_openexr_SEARCH_DIRS
${OPENEXR_ROOT_DIR}		${OPENEXR_ROOT_DIR}
/opt/lib/openexr		/opt/lib/openexr
)		)

FIND_PATH(OPENEXR_INCLUDE_DIR		FIND_PATH(OPENEXR_INCLUDE_DIR
NAMES		NAMES
OpenEXR/ImfXdr.h		OpenEXR/ImfXdr.h
Show All 36 Lines	IF(OPENEXR_INCLUDE_DIR)
ENDIF()		ENDIF()
ENDIF()		ENDIF()

SET("OPENEXR_VERSION" ${_openexr_libs_ver_init} CACHE STRING "Version of OpenEXR lib")		SET("OPENEXR_VERSION" ${_openexr_libs_ver_init} CACHE STRING "Version of OpenEXR lib")
UNSET(_openexr_libs_ver_init)		UNSET(_openexr_libs_ver_init)

STRING(REGEX REPLACE "([0-9]+)[.]([0-9]+).*" "\\1_\\2" _openexr_libs_ver ${OPENEXR_VERSION})		STRING(REGEX REPLACE "([0-9]+)[.]([0-9]+).*" "\\1_\\2" _openexr_libs_ver ${OPENEXR_VERSION})

		# Different library names in 3.0, and Imath and Half moved out.
		IF(OPENEXR_VERSION VERSION_GREATER_EQUAL "3.0.0")
		SET(_openexr_FIND_COMPONENTS
		Iex
		IlmThread
		OpenEXR
		OpenEXRCore
		)
		ELSE()
		SET(_openexr_FIND_COMPONENTS
		Half
		Iex
		IlmImf
		IlmThread
		Imath
		)
		ENDIF()

SET(_openexr_LIBRARIES)		SET(_openexr_LIBRARIES)
FOREACH(COMPONENT ${_openexr_FIND_COMPONENTS})		FOREACH(COMPONENT ${_openexr_FIND_COMPONENTS})
STRING(TOUPPER ${COMPONENT} UPPERCOMPONENT)		STRING(TOUPPER ${COMPONENT} UPPERCOMPONENT)

FIND_LIBRARY(OPENEXR_${UPPERCOMPONENT}_LIBRARY		FIND_LIBRARY(OPENEXR_${UPPERCOMPONENT}_LIBRARY
NAMES		NAMES
${COMPONENT}-${_openexr_libs_ver} ${COMPONENT}		${COMPONENT}-${_openexr_libs_ver} ${COMPONENT}
NAMES_PER_DIR		NAMES_PER_DIR
HINTS		HINTS
${_openexr_SEARCH_DIRS}		${_openexr_SEARCH_DIRS}
PATH_SUFFIXES		PATH_SUFFIXES
lib64 lib		lib64 lib
)		)
LIST(APPEND _openexr_LIBRARIES "${OPENEXR_${UPPERCOMPONENT}_LIBRARY}")		LIST(APPEND _openexr_LIBRARIES "${OPENEXR_${UPPERCOMPONENT}_LIBRARY}")
ENDFOREACH()		ENDFOREACH()

UNSET(_openexr_libs_ver)		UNSET(_openexr_libs_ver)

		IF(OPENEXR_VERSION VERSION_GREATER_EQUAL "3.0.0")
		# For OpenEXR 3.x, we also need to find the now separate Imath library.
		# For simplicity we add it to the OpenEXR includes and libraries, as we
		# have no direct dependency on Imath and it's simpler to support both
		# 2.x and 3.x this way.

		# Find include directory
		FIND_PATH(IMATH_INCLUDE_DIR
		NAMES
		Imath/ImathMath.h
		HINTS
		${_openexr_SEARCH_DIRS}
		PATH_SUFFIXES
		include
		)

		# Find version
		FIND_FILE(_imath_config
		NAMES
		ImathConfig.h
		PATHS
		${IMATH_INCLUDE_DIR}/Imath
		NO_DEFAULT_PATH
		)

		# Find line with version, extract string, and format for library suffix.
		FILE(STRINGS "${_imath_config}" _imath_build_specification
		REGEX "^[ \t]#define[ \t]+IMATH_VERSION_STRING[ \t]+\"[.0-9]+\".$")
		STRING(REGEX REPLACE ".#define[ \t]+IMATH_VERSION_STRING[ \t]+\"([.0-9]+)\"."
		"\\1" _imath_libs_ver ${_imath_build_specification})
		STRING(REGEX REPLACE "([0-9]+)[.]([0-9]+).*" "\\1_\\2" _imath_libs_ver ${_imath_libs_ver})

		# Find library, with or without version number.
		FIND_LIBRARY(IMATH_LIBRARY
		NAMES
		Imath-${_imath_libs_ver} Imath
		NAMES_PER_DIR
		HINTS
		${_openexr_SEARCH_DIRS}
		PATH_SUFFIXES
		lib64 lib
		)
		LIST(APPEND _openexr_LIBRARIES "${IMATH_LIBRARY}")

		# In cmake version 3.21 and up, we can instead use the NO_CACHE option for
		# FIND_FILE so we don't need to clear it from the cache here.
		UNSET(_imath_config CACHE)
		UNSET(_imath_libs_ver)
		UNSET(_imath_build_specification)
		ELSE()
		set(IMATH_INCLUDE_DIR ${OPENEXR_INCLUDE_DIR})
		ENDIF()

# handle the QUIETLY and REQUIRED arguments and set OPENEXR_FOUND to TRUE if		# handle the QUIETLY and REQUIRED arguments and set OPENEXR_FOUND to TRUE if
# all listed variables are TRUE		# all listed variables are TRUE
INCLUDE(FindPackageHandleStandardArgs)		INCLUDE(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(OpenEXR DEFAULT_MSG		FIND_PACKAGE_HANDLE_STANDARD_ARGS(OpenEXR DEFAULT_MSG
_openexr_LIBRARIES OPENEXR_INCLUDE_DIR)		_openexr_LIBRARIES OPENEXR_INCLUDE_DIR)

IF(OPENEXR_FOUND)		IF(OPENEXR_FOUND)
SET(OPENEXR_LIBRARIES ${_openexr_LIBRARIES})		SET(OPENEXR_LIBRARIES ${_openexr_LIBRARIES})
# Both include paths are needed because of dummy OSL headers mixing #include <OpenEXR/foo.h> and #include <foo.h> :(		# Both include paths are needed because of dummy OSL headers mixing
SET(OPENEXR_INCLUDE_DIRS ${OPENEXR_INCLUDE_DIR} ${OPENEXR_INCLUDE_DIR}/OpenEXR)		# #include <OpenEXR/foo.h> and #include <foo.h>, as well as Alembic
		# include <half.h> directly.
		SET(OPENEXR_INCLUDE_DIRS
		${OPENEXR_INCLUDE_DIR}
		${OPENEXR_INCLUDE_DIR}/OpenEXR
		${IMATH_INCLUDE_DIR}
		${IMATH_INCLUDE_DIR}/Imath)
ENDIF()		ENDIF()

MARK_AS_ADVANCED(		MARK_AS_ADVANCED(
OPENEXR_INCLUDE_DIR		OPENEXR_INCLUDE_DIR
OPENEXR_VERSION		OPENEXR_VERSION
		IMATH_INCLUDE_DIR
		IMATH_LIBRARY
)		)
FOREACH(COMPONENT ${_openexr_FIND_COMPONENTS})		FOREACH(COMPONENT ${_openexr_FIND_COMPONENTS})
STRING(TOUPPER ${COMPONENT} UPPERCOMPONENT)		STRING(TOUPPER ${COMPONENT} UPPERCOMPONENT)
MARK_AS_ADVANCED(OPENEXR_${UPPERCOMPONENT}_LIBRARY)		MARK_AS_ADVANCED(OPENEXR_${UPPERCOMPONENT}_LIBRARY)
ENDFOREACH()		ENDFOREACH()

UNSET(COMPONENT)		UNSET(COMPONENT)
UNSET(UPPERCOMPONENT)		UNSET(UPPERCOMPONENT)
UNSET(_openexr_FIND_COMPONENTS)		UNSET(_openexr_FIND_COMPONENTS)
UNSET(_openexr_LIBRARIES)		UNSET(_openexr_LIBRARIES)
UNSET(_openexr_SEARCH_DIRS)		UNSET(_openexr_SEARCH_DIRS)