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-rw-r--r--third_party/jpeg-xl/lib/jxl_threads.cmake120
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
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+# 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")