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0302944988
We need to make sure that we add the compatibility libraries as dependencies for target executables, otherwise we can end up with a race condition in the build where the build will fail if the compatibility libraries haven't been built by the time e.g. `swift-backtrace` is linked. rdar://128197532
72 lines
2.2 KiB
CMake
72 lines
2.2 KiB
CMake
# Toolchain-only build products
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list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_LIST_DIR}/../cmake/modules)
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include(StdlibOptions)
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include(AddSwiftStdlib)
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include(CompatibilityLibs)
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set(CXX_COMPILE_FLAGS)
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set(CXX_LINK_FLAGS)
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# Build the runtime with -Wall to catch, e.g., uninitialized variables
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# warnings.
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if(SWIFT_COMPILER_IS_MSVC_LIKE)
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list(APPEND compile_flags "/W3")
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else()
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list(APPEND compile_flags "-Wall")
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endif()
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list(APPEND compile_flags
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# C++ code in the runtime and standard library should generally avoid
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# introducing static constructors or destructors.
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"-Wglobal-constructors"
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"-Wexit-time-destructors")
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foreach(flag ${compile_flags})
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check_cxx_compiler_flag("${flag}" cxx_compiler_flag_${flag}_is_supported)
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if(cxx_compiler_flag_${flag}_is_supported)
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list(APPEND CXX_COMPILE_FLAGS "${flag}")
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endif()
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endforeach()
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unset(compile_flags)
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if("Thread" IN_LIST SWIFT_RUNTIME_USE_SANITIZERS)
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list(APPEND CXX_LINK_FLAGS "-fsanitize=thread")
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endif()
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# Compatibility libraries build in a special alternate universe that can't
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# directly link to most OS runtime libraries, and have to access the
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# runtime being patched only through public ABI.
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list(APPEND CXX_COMPILE_FLAGS "-DSWIFT_COMPATIBILITY_LIBRARY=1")
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set(CMAKE_C_VISIBILITY_PRESET hidden)
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set(CMAKE_CXX_VISIBILITY_PRESET hidden)
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set(CMAKE_VISIBILITY_INLINES_HIDDEN YES)
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if(SWIFT_STDLIB_SUPPORT_BACK_DEPLOYMENT)
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add_subdirectory(legacy_layouts)
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add_subdirectory(Compatibility50)
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add_subdirectory(Compatibility51)
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add_subdirectory(Compatibility56)
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add_subdirectory(CompatibilityDynamicReplacements)
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add_subdirectory(CompatibilityConcurrency)
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add_subdirectory(CompatibilityThreading)
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add_subdirectory(CompatibilityPacks)
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# This is a convenience target to have the list
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# of all the compatibility libraries needed to build
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# host tools in a single place
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add_library(HostCompatibilityLibs INTERFACE)
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get_compatibility_libs(
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"${SWIFT_HOST_VARIANT_SDK}"
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"${SWIFT_HOST_VARIANT_ARCH}"
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compatibility_libs
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)
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target_link_libraries(HostCompatibilityLibs INTERFACE
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${compatibility_libs}
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)
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set_property(GLOBAL APPEND PROPERTY SWIFT_BUILDTREE_EXPORTS HostCompatibilityLibs)
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endif()
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