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5c1b20d2bc
This dynamic library contains a copy of the standard library's exported entry points for the Span and RawSpan types. This will allow backward deployment of code that uses those new types.
73 lines
2.2 KiB
CMake
73 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(CompatibilitySpan)
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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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