cmake: use better FindOpenEXR.cmake script
This commit is contained in:
itsmattkc
+96
-91
@@ -1,94 +1,99 @@
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#
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# Copyright 2016 Pixar
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#
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# Licensed under the Apache License, Version 2.0 (the "Apache License")
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# with the following modification; you may not use this file except in
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# compliance with the Apache License and the following modification to it:
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# Section 6. Trademarks. is deleted and replaced with:
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#
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# 6. Trademarks. This License does not grant permission to use the trade
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# names, trademarks, service marks, or product names of the Licensor
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# and its affiliates, except as required to comply with Section 4(c) of
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# the License and to reproduce the content of the NOTICE file.
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#
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# You may obtain a copy of the Apache License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the Apache License with the above modification is
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# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the Apache License for the specific
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# language governing permissions and limitations under the Apache License.
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#
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find_path(OPENEXR_INCLUDE_DIR
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OpenEXR/half.h
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HINTS
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"${OPENEXR_LOCATION}"
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"$ENV{OPENEXR_LOCATION}"
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PATH_SUFFIXES
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include/
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DOC
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"OpenEXR headers path"
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)
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if(OPENEXR_INCLUDE_DIR)
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set(openexr_config_file "${OPENEXR_INCLUDE_DIR}/OpenEXR/OpenEXRConfig.h")
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if(EXISTS ${openexr_config_file})
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file(STRINGS
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${openexr_config_file}
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TMP
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REGEX "#define OPENEXR_VERSION_STRING.*$")
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string(REGEX MATCHALL "[0-9.]+" OPENEXR_VERSION ${TMP})
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file(STRINGS
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${openexr_config_file}
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TMP
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REGEX "#define OPENEXR_VERSION_MAJOR.*$")
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string(REGEX MATCHALL "[0-9]" OPENEXR_MAJOR_VERSION ${TMP})
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file(STRINGS
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${openexr_config_file}
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TMP
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REGEX "#define OPENEXR_VERSION_MINOR.*$")
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string(REGEX MATCHALL "[0-9]" OPENEXR_MINOR_VERSION ${TMP})
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endif()
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endif()
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foreach(OPENEXR_LIB
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Half
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Iex
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Imath
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IlmImf
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IlmThread
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)
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# OpenEXR libraries may be suffixed with the version number, so we search
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# using both versioned and unversioned names.
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find_library(OPENEXR_${OPENEXR_LIB}_LIBRARY
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NAMES
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${OPENEXR_LIB}-${OPENEXR_MAJOR_VERSION}_${OPENEXR_MINOR_VERSION}
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${OPENEXR_LIB}
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HINTS
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"${OPENEXR_LOCATION}"
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"$ENV{OPENEXR_LOCATION}"
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PATH_SUFFIXES
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lib/
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DOC
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"OPENEXR's ${OPENEXR_LIB} library path"
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)
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if(OPENEXR_${OPENEXR_LIB}_LIBRARY)
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list(APPEND OPENEXR_LIBRARIES ${OPENEXR_${OPENEXR_LIB}_LIBRARY})
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endif()
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endforeach(OPENEXR_LIB)
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# So #include <half.h> works
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list(APPEND OPENEXR_INCLUDE_DIRS ${OPENEXR_INCLUDE_DIR})
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list(APPEND OPENEXR_INCLUDE_DIRS ${OPENEXR_INCLUDE_DIR}/OpenEXR)
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include(FindPackageHandleStandardArgs)
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find_path(OpenEXR_INCLUDE_DIRS OpenEXR/OpenEXRConfig.h)
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find_path(OPENEXR_INCLUDE_PATHS NAMES ImfRgbaFile.h PATH_SUFFIXES OpenEXR)
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file(STRINGS "${OpenEXR_INCLUDE_DIRS}/OpenEXR/OpenEXRConfig.h" OPENEXR_CONFIG_H)
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string(REGEX REPLACE "^.*define OPENEXR_VERSION_MAJOR ([0-9]+).*$" "\\1" OpenEXR_VERSION_MAJOR "${OPENEXR_CONFIG_H}")
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string(REGEX REPLACE "^.*define OPENEXR_VERSION_MINOR ([0-9]+).*$" "\\1" OpenEXR_VERSION_MINOR "${OPENEXR_CONFIG_H}")
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set(OpenEXR_LIB_SUFFIX "${OpenEXR_VERSION_MAJOR}_${OpenEXR_VERSION_MINOR}")
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include(SelectLibraryConfigurations)
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if(NOT OpenEXR_BASE_LIBRARY)
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find_library(OpenEXR_BASE_LIBRARY_RELEASE NAMES IlmImf-${OpenEXR_LIB_SUFFIX})
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find_library(OpenEXR_BASE_LIBRARY_DEBUG NAMES IlmImf-${OpenEXR_LIB_SUFFIX}_d)
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select_library_configurations(OpenEXR_BASE)
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endif()
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if(NOT OpenEXR_UTIL_LIBRARY)
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find_library(OpenEXR_UTIL_LIBRARY_RELEASE NAMES IlmImfUtil-${OpenEXR_LIB_SUFFIX})
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find_library(OpenEXR_UTIL_LIBRARY_DEBUG NAMES IlmImfUtil-${OpenEXR_LIB_SUFFIX}_d)
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select_library_configurations(OpenEXR_UTIL)
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endif()
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if(NOT OpenEXR_HALF_LIBRARY)
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find_library(OpenEXR_HALF_LIBRARY_RELEASE NAMES Half-${OpenEXR_LIB_SUFFIX})
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find_library(OpenEXR_HALF_LIBRARY_DEBUG NAMES Half-${OpenEXR_LIB_SUFFIX}_d)
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select_library_configurations(OpenEXR_HALF)
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endif()
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if(NOT OpenEXR_IEX_LIBRARY)
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find_library(OpenEXR_IEX_LIBRARY_RELEASE NAMES Iex-${OpenEXR_LIB_SUFFIX})
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find_library(OpenEXR_IEX_LIBRARY_DEBUG NAMES Iex-${OpenEXR_LIB_SUFFIX}_d)
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select_library_configurations(OpenEXR_IEX)
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endif()
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if(NOT OpenEXR_MATH_LIBRARY)
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find_library(OpenEXR_MATH_LIBRARY_RELEASE NAMES Imath-${OpenEXR_LIB_SUFFIX})
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find_library(OpenEXR_MATH_LIBRARY_DEBUG NAMES Imath-${OpenEXR_LIB_SUFFIX}_d)
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select_library_configurations(OpenEXR_MATH)
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endif()
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if(NOT OpenEXR_THREAD_LIBRARY)
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find_library(OpenEXR_THREAD_LIBRARY_RELEASE NAMES IlmThread-${OpenEXR_LIB_SUFFIX})
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find_library(OpenEXR_THREAD_LIBRARY_DEBUG NAMES IlmThread-${OpenEXR_LIB_SUFFIX}_d)
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select_library_configurations(OpenEXR_THREAD)
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endif()
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if(NOT OpenEXR_IEXMATH_LIBRARY)
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find_library(OpenEXR_IEXMATH_LIBRARY_RELEASE NAMES IexMath-${OpenEXR_LIB_SUFFIX})
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find_library(OpenEXR_IEXMATH_LIBRARY_DEBUG NAMES IexMath-${OpenEXR_LIB_SUFFIX}_d)
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select_library_configurations(OpenEXR_IEXMATH)
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endif()
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set(OPENEXR_HALF_LIBRARY "${OpenEXR_HALF_LIBRARY}")
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set(OPENEXR_Half_LIBRARY "${OpenEXR_HALF_LIBRARY}")
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set(OPENEXR_IEX_LIBRARY "${OpenEXR_IEX_LIBRARY}")
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set(OPENEXR_Iex_LIBRARY "${OpenEXR_IEX_LIBRARY}")
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set(OPENEXR_IMATH_LIBRARY "${OpenEXR_MATH_LIBRARY}")
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set(OPENEXR_ILMIMF_LIBRARY "${OpenEXR_BASE_LIBRARY}")
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set(OPENEXR_IlmImf_LIBRARY "${OpenEXR_BASE_LIBRARY}")
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set(OPENEXR_ILMIMFUTIL_LIBRARY "${OpenEXR_UTIL_LIBRARY}")
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set(OPENEXR_ILMTHREAD_LIBRARY "${OpenEXR_THREAD_LIBRARY}")
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set(OpenEXR_LIBRARY "${OpenEXR_BASE_LIBRARY}")
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set(OpenEXR_LIBRARIES
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${OpenEXR_LIBRARY}
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${OpenEXR_MATH_LIBRARY}
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${OpenEXR_IEXMATH_LIBRARY}
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${OpenEXR_UTIL_LIBRARY}
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${OpenEXR_HALF_LIBRARY}
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${OpenEXR_IEX_LIBRARY}
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${OpenEXR_THREAD_LIBRARY}
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find_package_handle_standard_args(OpenEXR
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REQUIRED_VARS
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OPENEXR_INCLUDE_DIRS
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OPENEXR_LIBRARIES
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VERSION_VAR
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OPENEXR_VERSION
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)
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set(OPENEXR_LIBRARIES
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${OPENEXR_HALF_LIBRARY}
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${OPENEXR_IEX_LIBRARY}
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${OPENEXR_IMATH_LIBRARY}
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${OPENEXR_ILMIMF_LIBRARY}
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${OPENEXR_ILMTHREAD_LIBRARY}
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)
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set(OpenEXR_INCLUDE_DIR ${OpenEXR_INCLUDE_DIRS})
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set(OPENEXR_INCLUDE_DIRS ${OpenEXR_INCLUDE_DIRS})
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set(OPENEXR_INCLUDE_DIR ${OPENEXR_INCLUDE_PATHS})
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(OpenEXR REQUIRED_VARS OpenEXR_LIBRARIES OpenEXR_INCLUDE_DIRS)
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if(OpenEXR_FOUND)
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set(OPENEXR_FOUND 1)
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endif()
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