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Diffstat (limited to '')
| -rw-r--r-- | third_party/jpeg-xl/lib/jxl_threads.cmake | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/third_party/jpeg-xl/lib/jxl_threads.cmake b/third_party/jpeg-xl/lib/jxl_threads.cmake new file mode 100644 index 0000000000..2f5ac17c83 --- /dev/null +++ b/third_party/jpeg-xl/lib/jxl_threads.cmake @@ -0,0 +1,120 @@ +# Copyright (c) the JPEG XL Project Authors. All rights reserved. +# +# Use of this source code is governed by a BSD-style +# license that can be found in the LICENSE file. + +find_package(Threads REQUIRED) + +include(jxl_lists.cmake) + +### Define the jxl_threads shared or static target library. The ${target} +# parameter should already be created with add_library(), but this function +# sets all the remaining common properties. +function(_set_jxl_threads _target) + target_compile_options(${_target} PRIVATE ${JPEGXL_INTERNAL_FLAGS}) + target_compile_options(${_target} PUBLIC ${JPEGXL_COVERAGE_FLAGS}) + set_property(TARGET ${_target} PROPERTY POSITION_INDEPENDENT_CODE ON) + + target_include_directories(${_target} + PRIVATE + "${PROJECT_SOURCE_DIR}" + PUBLIC + "${CMAKE_CURRENT_SOURCE_DIR}/include" + "${CMAKE_CURRENT_BINARY_DIR}/include") + + target_link_libraries(${_target} + PUBLIC ${JPEGXL_COVERAGE_FLAGS} Threads::Threads + ) + + set_target_properties(${_target} PROPERTIES + CXX_VISIBILITY_PRESET hidden + VISIBILITY_INLINES_HIDDEN 1 + DEFINE_SYMBOL JXL_THREADS_INTERNAL_LIBRARY_BUILD + ) + + # Always install the library as jxl_threads.{a,so} file without the "-static" + # suffix, except in Windows. + if (NOT WIN32 OR MINGW) + set_target_properties(${_target} PROPERTIES OUTPUT_NAME "jxl_threads") + endif() + install(TARGETS ${_target} + RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} + LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} + ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}) +endfunction() + +### Static library. +add_library(jxl_threads-static STATIC ${JPEGXL_INTERNAL_THREADS_SOURCES}) +_set_jxl_threads(jxl_threads-static) + +# Make jxl_threads symbols neither imported nor exported when using the static +# library. These will have hidden visibility anyway in the static library case +# in unix. +target_compile_definitions(jxl_threads-static + PUBLIC -DJXL_THREADS_STATIC_DEFINE) + + +### Public shared library. +if (BUILD_SHARED_LIBS) +add_library(jxl_threads SHARED ${JPEGXL_INTERNAL_THREADS_SOURCES}) +_set_jxl_threads(jxl_threads) + +set_target_properties(jxl_threads PROPERTIES + VERSION ${JPEGXL_LIBRARY_VERSION} + SOVERSION ${JPEGXL_LIBRARY_SOVERSION} + LIBRARY_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}" + RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}") + + set_target_properties(jxl_threads PROPERTIES + LINK_DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/jxl/jxl.version) + if(APPLE) + set_property(TARGET ${target} APPEND_STRING PROPERTY + LINK_FLAGS "-Wl,-exported_symbols_list,${CMAKE_CURRENT_SOURCE_DIR}/jxl/jxl_osx.syms") + elseif(WIN32) + # Nothing needed here, we use __declspec(dllexport) (jxl_threads_export.h) + else() + set_property(TARGET jxl_threads APPEND_STRING PROPERTY + LINK_FLAGS " -Wl,--version-script=${CMAKE_CURRENT_SOURCE_DIR}/jxl/jxl.version") + endif() # APPLE + +# Compile the shared library such that the JXL_THREADS_EXPORT symbols are +# exported. Users of the library will not set this flag and therefore import +# those symbols. +target_compile_definitions(jxl_threads + PRIVATE -DJXL_THREADS_INTERNAL_LIBRARY_BUILD) + +# Generate the jxl/jxl_threads_export.h header, we only need to generate it once +# but we can use it from both libraries. +generate_export_header(jxl_threads + BASE_NAME JXL_THREADS + EXPORT_FILE_NAME include/jxl/jxl_threads_export.h) +else() +add_library(jxl_threads ALIAS jxl_threads-static) +# When not building the shared library generate the jxl_threads_export.h header +# only based on the static target. +generate_export_header(jxl_threads-static + BASE_NAME JXL_THREADS + EXPORT_FILE_NAME include/jxl/jxl_threads_export.h) +endif() # BUILD_SHARED_LIBS + + +### Add a pkg-config file for libjxl_threads. + +# Allow adding prefix if CMAKE_INSTALL_INCLUDEDIR not absolute. +if(IS_ABSOLUTE "${CMAKE_INSTALL_INCLUDEDIR}") + set(PKGCONFIG_TARGET_INCLUDES "${CMAKE_INSTALL_INCLUDEDIR}") +else() + set(PKGCONFIG_TARGET_INCLUDES "\${prefix}/${CMAKE_INSTALL_INCLUDEDIR}") +endif() +# Allow adding prefix if CMAKE_INSTALL_LIBDIR not absolute. +if(IS_ABSOLUTE "${CMAKE_INSTALL_LIBDIR}") + set(PKGCONFIG_TARGET_LIBS "${CMAKE_INSTALL_LIBDIR}") +else() + set(PKGCONFIG_TARGET_LIBS "\${exec_prefix}/${CMAKE_INSTALL_LIBDIR}") +endif() + +set(JPEGXL_THREADS_LIBRARY_REQUIRES "") +configure_file("${CMAKE_CURRENT_SOURCE_DIR}/threads/libjxl_threads.pc.in" + "libjxl_threads.pc" @ONLY) +install(FILES "${CMAKE_CURRENT_BINARY_DIR}/libjxl_threads.pc" + DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig") |