Files
UnrealEngine/Engine/Source/ThirdParty/openexr/openexr-3.3.2/cmake/LibraryDefine.cmake
2025-05-18 13:04:45 +08:00

100 lines
4.0 KiB
CMake

# SPDX-License-Identifier: BSD-3-Clause
# Copyright (c) Contributors to the OpenEXR Project.
# NB: This function has a number of Imath-specific names/variables
# in it, so be careful copying...
function(OPENEXR_DEFINE_LIBRARY libname)
set(options)
set(oneValueArgs PRIV_EXPORT CURDIR CURBINDIR)
set(multiValueArgs SOURCES HEADERS DEPENDENCIES PRIVATE_DEPS)
cmake_parse_arguments(OPENEXR_CURLIB "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
if (MSVC)
set(_openexr_extra_flags "/EHsc" "/MP")
endif()
set(objlib ${libname})
add_library(${objlib}
${OPENEXR_CURLIB_HEADERS}
${OPENEXR_CURLIB_SOURCES})
# Use ${OPENEXR_CXX_STANDARD} to determine the standard we use to compile
# OpenEXR itself. The headers will use string_view and such, so ensure
# the user is at least 17, but could be higher
target_compile_features(${objlib}
PRIVATE cxx_std_${OPENEXR_CXX_STANDARD}
INTERFACE cxx_std_17 )
# we are embedding libdeflate
target_include_directories(${objlib} PRIVATE ${EXR_DEFLATE_INCLUDE_DIR})
if(OPENEXR_CURLIB_PRIV_EXPORT AND BUILD_SHARED_LIBS)
target_compile_definitions(${objlib} PRIVATE ${OPENEXR_CURLIB_PRIV_EXPORT})
if(WIN32)
target_compile_definitions(${objlib} PUBLIC OPENEXR_DLL)
endif()
endif()
if(OPENEXR_CURLIB_CURDIR)
target_include_directories(${objlib} INTERFACE $<BUILD_INTERFACE:${OPENEXR_CURLIB_CURDIR}>)
endif()
if(OPENEXR_CURLIB_CURBINDIR)
target_include_directories(${objlib} PRIVATE $<BUILD_INTERFACE:${OPENEXR_CURLIB_CURBINDIR}>)
endif()
target_link_libraries(${objlib} PUBLIC ${PROJECT_NAME}::Config ${OPENEXR_CURLIB_DEPENDENCIES})
if(OPENEXR_CURLIB_PRIVATE_DEPS)
target_link_libraries(${objlib} PRIVATE ${OPENEXR_CURLIB_PRIVATE_DEPS})
endif()
set_target_properties(${objlib} PROPERTIES
CXX_STANDARD_REQUIRED ON
CXX_EXTENSIONS OFF
POSITION_INDEPENDENT_CODE ON
)
if (NOT OPENEXR_USE_DEFAULT_VISIBILITY)
set_target_properties(${objlib} PROPERTIES
C_VISIBILITY_PRESET hidden
CXX_VISIBILITY_PRESET hidden
VISIBILITY_INLINES_HIDDEN ON
)
else()
target_compile_definitions(${objlib} PUBLIC OPENEXR_USE_DEFAULT_VISIBILITY)
endif()
if (_openexr_extra_flags)
target_compile_options(${objlib} PUBLIC ${_openexr_extra_flags})
endif()
set_property(TARGET ${objlib} PROPERTY PUBLIC_HEADER ${OPENEXR_CURLIB_HEADERS})
if(BUILD_SHARED_LIBS)
set_target_properties(${libname} PROPERTIES
SOVERSION ${OPENEXR_LIB_SOVERSION}
VERSION ${OPENEXR_LIB_VERSION}
)
endif()
set_target_properties(${libname} PROPERTIES
OUTPUT_NAME "${libname}${OPENEXR_LIB_SUFFIX}"
RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin"
)
add_library(${PROJECT_NAME}::${libname} ALIAS ${libname})
if(OPENEXR_INSTALL)
install(TARGETS ${libname}
EXPORT ${PROJECT_NAME}
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
PUBLIC_HEADER
DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/${OPENEXR_OUTPUT_SUBDIR}
)
endif()
if(BUILD_SHARED_LIBS AND (NOT "${OPENEXR_LIB_SUFFIX}" STREQUAL "") AND NOT WIN32)
string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE)
set(verlibname ${CMAKE_SHARED_LIBRARY_PREFIX}${libname}${OPENEXR_LIB_SUFFIX}${CMAKE_${uppercase_CMAKE_BUILD_TYPE}_POSTFIX}${CMAKE_SHARED_LIBRARY_SUFFIX})
set(baselibname ${CMAKE_SHARED_LIBRARY_PREFIX}${libname}${CMAKE_${uppercase_CMAKE_BUILD_TYPE}_POSTFIX}${CMAKE_SHARED_LIBRARY_SUFFIX})
file(CREATE_LINK ${verlibname} ${CMAKE_CURRENT_BINARY_DIR}/${baselibname} SYMBOLIC)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${baselibname} DESTINATION ${CMAKE_INSTALL_FULL_LIBDIR})
install(CODE "message(STATUS \"Creating symlink ${CMAKE_INSTALL_FULL_LIBDIR}/${baselibname} -> ${verlibname}\")")
set(verlibname)
set(baselibname)
endif()
endfunction()