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compiling/linking works using OpenEXR/Imath dependencies, initial wor…
…k on exr_in::open()
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| Original file line number | Diff line number | Diff line change |
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| # SPDX-License-Identifier: BSD-3-Clause | ||
| # Copyright Contributors to the OpenColorIO Project. | ||
| # | ||
| # Locate or install Imath | ||
| # | ||
| # Variables defined by this module: | ||
| # Imath_FOUND - If FALSE, do not try to link to ilmbase | ||
| # Imath_LIBRARY - Imath library to link to | ||
| # Imath_INCLUDE_DIR - Where to find ImathConfig.h | ||
| # Imath_VERSION - The version of the library | ||
| # | ||
| # Targets defined by this module: | ||
| # Imath::Imath - IMPORTED target, if found | ||
| # | ||
| # By default, the dynamic libraries of Imath will be found. To find the | ||
| # static ones instead, you must set the Imath_STATIC_LIBRARY variable to | ||
| # TRUE before calling find_package(Imath ...). | ||
| # | ||
| # If Imath is not installed in a standard path, you can use the | ||
| # Imath_ROOT variable to tell CMake where to find it. If it is not found | ||
| # and OCIO_INSTALL_EXT_PACKAGES is set to MISSING or ALL, Imath will be | ||
| # downloaded, built, and statically-linked into libOpenColorIO at build time. | ||
| # | ||
|
|
||
| ############################################################################### | ||
| ### Try to find package ### | ||
|
|
||
| #if(NOT OCIO_INSTALL_EXT_PACKAGES STREQUAL ALL) | ||
| set(_Imath_REQUIRED_VARS Imath_LIBRARY) | ||
| set(_Imath_LIB_VER "${Imath_FIND_VERSION_MAJOR}_${Imath_FIND_VERSION_MINOR}") | ||
|
|
||
| if(NOT DEFINED Imath_ROOT) | ||
| # Search for ImathConfig.cmake | ||
| find_package(Imath ${Imath_FIND_VERSION} CONFIG QUIET) | ||
| endif() | ||
|
|
||
| if(Imath_FOUND) | ||
| get_target_property(Imath_LIBRARY Imath::Imath LOCATION) | ||
| else() | ||
| list(APPEND _Imath_REQUIRED_VARS Imath_INCLUDE_DIR) | ||
|
|
||
| # Search for Imath.pc | ||
| find_package(PkgConfig QUIET) | ||
| pkg_check_modules(PC_Imath QUIET "Imath>=${Imath_FIND_VERSION}") | ||
|
|
||
| # Find include directory | ||
| find_path(Imath_INCLUDE_DIR | ||
| NAMES | ||
| Imath/ImathConfig.h | ||
| HINTS | ||
| ${Imath_ROOT} | ||
| ${PC_Imath_INCLUDE_DIRS} | ||
| PATH_SUFFIXES | ||
| include | ||
| ) | ||
|
|
||
| # Lib names to search for | ||
| set(_Imath_LIB_NAMES "Imath-${_Imath_LIB_VER}" Imath) | ||
| if(BUILD_TYPE_DEBUG) | ||
| # Prefer Debug lib names | ||
| list(INSERT _Imath_LIB_NAMES 0 "Imath-${_Imath_LIB_VER}_d") | ||
| endif() | ||
|
|
||
| if(Imath_STATIC_LIBRARY) | ||
| # Prefer static lib names | ||
| set(_Imath_STATIC_LIB_NAMES | ||
| "${CMAKE_STATIC_LIBRARY_PREFIX}Imath-${_Imath_LIB_VER}${CMAKE_STATIC_LIBRARY_SUFFIX}" | ||
| "${CMAKE_STATIC_LIBRARY_PREFIX}Imath${CMAKE_STATIC_LIBRARY_SUFFIX}" | ||
| ) | ||
| if(BUILD_TYPE_DEBUG) | ||
| # Prefer static Debug lib names | ||
| list(INSERT _Imath_STATIC_LIB_NAMES 0 | ||
| "${CMAKE_STATIC_LIBRARY_PREFIX}Imath-${_Imath_LIB_VER}_d${CMAKE_STATIC_LIBRARY_SUFFIX}") | ||
| endif() | ||
| endif() | ||
|
|
||
| # Find library | ||
| find_library(Imath_LIBRARY | ||
| NAMES | ||
| ${_Imath_STATIC_LIB_NAMES} | ||
| ${_Imath_LIB_NAMES} | ||
| HINTS | ||
| ${Imath_ROOT} | ||
| ${PC_Imath_LIBRARY_DIRS} | ||
| PATH_SUFFIXES | ||
| lib64 lib | ||
| ) | ||
|
|
||
| # Get version from config header file | ||
| if(Imath_INCLUDE_DIR) | ||
| if(EXISTS "${Imath_INCLUDE_DIR}/Imath/ImathConfig.h") | ||
| set(_Imath_CONFIG "${Imath_INCLUDE_DIR}/Imath/ImathConfig.h") | ||
| endif() | ||
| endif() | ||
|
|
||
| if(_Imath_CONFIG) | ||
| file(STRINGS "${_Imath_CONFIG}" _Imath_VER_SEARCH | ||
| REGEX "^[ \t]*#define[ \t]+IMATH_VERSION_STRING[ \t]+\"[.0-9]+\".*$") | ||
| if(_Imath_VER_SEARCH) | ||
| string(REGEX REPLACE ".*#define[ \t]+IMATH_VERSION_STRING[ \t]+\"([.0-9]+)\".*" | ||
| "\\1" Imath_VERSION "${_Imath_VER_SEARCH}") | ||
| endif() | ||
| elseif(PC_Imath_FOUND) | ||
| set(Imath_VERSION "${PC_Imath_VERSION}") | ||
| endif() | ||
| endif() | ||
|
|
||
| # Override REQUIRED if package can be installed | ||
| #if(OCIO_INSTALL_EXT_PACKAGES STREQUAL MISSING) | ||
| set(Imath_FIND_REQUIRED FALSE) | ||
| # endif() | ||
|
|
||
| include(FindPackageHandleStandardArgs) | ||
| find_package_handle_standard_args(Imath | ||
| REQUIRED_VARS | ||
| ${_Imath_REQUIRED_VARS} | ||
| VERSION_VAR | ||
| Imath_VERSION | ||
| ) | ||
| #endif() | ||
|
|
||
| ############################################################################### | ||
| ### Create target | ||
|
|
||
| if (NOT TARGET Imath::Imath) | ||
| add_library(Imath::Imath UNKNOWN IMPORTED GLOBAL) | ||
| add_library(Imath::ImathConfig INTERFACE IMPORTED GLOBAL) | ||
| set(_Imath_TARGET_CREATE TRUE) | ||
| endif() | ||
|
|
||
| ############################################################################### | ||
| ### Install package from source ### | ||
|
|
||
| if(NOT Imath_FOUND AND NOT OCIO_INSTALL_EXT_PACKAGES STREQUAL NONE) | ||
| include(ExternalProject) | ||
| include(GNUInstallDirs) | ||
|
|
||
| set(_EXT_DIST_ROOT "${CMAKE_BINARY_DIR}/ext/dist") | ||
| set(_EXT_BUILD_ROOT "${CMAKE_BINARY_DIR}/ext/build") | ||
|
|
||
| # Set find_package standard args | ||
| set(Imath_FOUND TRUE) | ||
| if(_Imath_ExternalProject_VERSION) | ||
| set(Imath_VERSION ${_Imath_ExternalProject_VERSION}) | ||
| else() | ||
| set(Imath_VERSION ${Imath_FIND_VERSION}) | ||
| endif() | ||
| set(Imath_INCLUDE_DIR "${_EXT_DIST_ROOT}/${CMAKE_INSTALL_INCLUDEDIR}") | ||
|
|
||
| # Set the expected library name | ||
| if(BUILD_TYPE_DEBUG) | ||
| set(_Imath_LIB_SUFFIX "_d") | ||
| endif() | ||
|
|
||
| include(VersionUtils) | ||
| split_version_string(${Imath_VERSION} _Imath_ExternalProject) | ||
|
|
||
| set(_Imath_LIB_VER "${_Imath_ExternalProject_VERSION_MAJOR}_${_Imath_ExternalProject_VERSION_MINOR}") | ||
|
|
||
| set(Imath_LIBRARY | ||
| "${_EXT_DIST_ROOT}/${CMAKE_INSTALL_LIBDIR}/${CMAKE_STATIC_LIBRARY_PREFIX}Imath-${_Imath_LIB_VER}${_Imath_LIB_SUFFIX}${CMAKE_STATIC_LIBRARY_SUFFIX}") | ||
|
|
||
| if(_Imath_TARGET_CREATE) | ||
| if(MSVC) | ||
| set(Imath_CXX_FLAGS "${Imath_CXX_FLAGS} /EHsc") | ||
| endif() | ||
|
|
||
| string(STRIP "${Imath_CXX_FLAGS}" Imath_CXX_FLAGS) | ||
|
|
||
| set(Imath_CMAKE_ARGS | ||
| ${Imath_CMAKE_ARGS} | ||
| -DCMAKE_CXX_VISIBILITY_PRESET=${CMAKE_CXX_VISIBILITY_PRESET} | ||
| -DCMAKE_VISIBILITY_INLINES_HIDDEN=${CMAKE_VISIBILITY_INLINES_HIDDEN} | ||
| -DCMAKE_POSITION_INDEPENDENT_CODE=ON | ||
| -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE} | ||
| -DCMAKE_CXX_FLAGS=${Imath_CXX_FLAGS} | ||
| -DCMAKE_CXX_STANDARD=${CMAKE_CXX_STANDARD} | ||
| -DCMAKE_INSTALL_MESSAGE=${CMAKE_INSTALL_MESSAGE} | ||
| -DCMAKE_INSTALL_PREFIX=${_EXT_DIST_ROOT} | ||
| -DCMAKE_INSTALL_BINDIR=${CMAKE_INSTALL_BINDIR} | ||
| -DCMAKE_INSTALL_DATADIR=${CMAKE_INSTALL_DATADIR} | ||
| -DCMAKE_INSTALL_LIBDIR=${CMAKE_INSTALL_LIBDIR} | ||
| -DCMAKE_INSTALL_INCLUDEDIR=${CMAKE_INSTALL_INCLUDEDIR} | ||
| -DCMAKE_OBJECT_PATH_MAX=${CMAKE_OBJECT_PATH_MAX} | ||
| -DBUILD_SHARED_LIBS=OFF | ||
| -DBUILD_TESTING=OFF | ||
| -DPYTHON=OFF | ||
| -DDOCS=OFF | ||
| -DIMATH_HALF_USE_LOOKUP_TABLE=OFF | ||
| ) | ||
|
|
||
| if(CMAKE_TOOLCHAIN_FILE) | ||
| set(Imath_CMAKE_ARGS | ||
| ${Imath_CMAKE_ARGS} -DCMAKE_TOOLCHAIN_FILE=${CMAKE_TOOLCHAIN_FILE}) | ||
| endif() | ||
|
|
||
| if(APPLE) | ||
| string(REPLACE ";" "$<SEMICOLON>" ESCAPED_CMAKE_OSX_ARCHITECTURES "${CMAKE_OSX_ARCHITECTURES}") | ||
|
|
||
| set(Imath_CMAKE_ARGS | ||
| ${Imath_CMAKE_ARGS} | ||
| -DCMAKE_OSX_DEPLOYMENT_TARGET=${CMAKE_OSX_DEPLOYMENT_TARGET} | ||
| -DCMAKE_OSX_ARCHITECTURES=${ESCAPED_CMAKE_OSX_ARCHITECTURES} | ||
| ) | ||
| endif() | ||
|
|
||
| if (ANDROID) | ||
| set(Imath_CMAKE_ARGS | ||
| ${Imath_CMAKE_ARGS} | ||
| -DANDROID_PLATFORM=${ANDROID_PLATFORM} | ||
| -DANDROID_ABI=${ANDROID_ABI} | ||
| -DANDROID_STL=${ANDROID_STL}) | ||
| endif() | ||
|
|
||
| # Hack to let imported target be built from ExternalProject_Add | ||
| file(MAKE_DIRECTORY ${Imath_INCLUDE_DIR}) | ||
|
|
||
| ExternalProject_Add(imath_install | ||
| GIT_REPOSITORY "https://github.com/AcademySoftwareFoundation/Imath.git" | ||
| GIT_TAG "v${Imath_VERSION}" | ||
| GIT_CONFIG advice.detachedHead=false | ||
| GIT_SHALLOW TRUE | ||
| PREFIX "${_EXT_BUILD_ROOT}/Imath" | ||
| BUILD_BYPRODUCTS ${Imath_LIBRARY} | ||
| CMAKE_ARGS ${Imath_CMAKE_ARGS} | ||
| EXCLUDE_FROM_ALL TRUE | ||
| BUILD_COMMAND "" | ||
| INSTALL_COMMAND | ||
| ${CMAKE_COMMAND} --build . | ||
| --config ${CMAKE_BUILD_TYPE} | ||
| --target install | ||
| --parallel | ||
| ) | ||
|
|
||
| add_dependencies(Imath::Imath imath_install) | ||
|
|
||
| message(STATUS "Installing Imath: ${Imath_LIBRARY} (version \"${Imath_VERSION}\")") | ||
| endif() | ||
| endif() | ||
|
|
||
| ############################################################################### | ||
| ### Configure target ### | ||
|
|
||
| if(_Imath_TARGET_CREATE) | ||
| file(MAKE_DIRECTORY ${Imath_INCLUDE_DIR}/Imath) | ||
|
|
||
| set_target_properties(Imath::Imath PROPERTIES | ||
| IMPORTED_LOCATION ${Imath_LIBRARY} | ||
| INTERFACE_INCLUDE_DIRECTORIES "${Imath_INCLUDE_DIR};${Imath_INCLUDE_DIR}/Imath" | ||
| ) | ||
| set_target_properties(Imath::ImathConfig PROPERTIES | ||
| INTERFACE_INCLUDE_DIRECTORIES "${Imath_INCLUDE_DIR};${Imath_INCLUDE_DIR}/Imath" | ||
| ) | ||
|
|
||
| mark_as_advanced(Imath_INCLUDE_DIR Imath_LIBRARY Imath_VERSION) | ||
| endif() |
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