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42 lines
1.6 KiB
CMake
42 lines
1.6 KiB
CMake
if (COMPILER_CLANG)
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option (USE_LIBCXX "Use libc++ and libc++abi instead of libstdc++" ON)
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option (USE_INTERNAL_LIBCXX_LIBRARY "Set to FALSE to use system libcxx and libcxxabi libraries instead of bundled" ${NOT_UNBUNDLED})
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endif()
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if (USE_LIBCXX)
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set (CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -D_LIBCPP_DEBUG=0") # More checks in debug build.
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if (OS_DARWIN)
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# Use libcxx from SDK
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set (USE_INTERNAL_LIBCXX_LIBRARY OFF)
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endif ()
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if (NOT USE_INTERNAL_LIBCXX_LIBRARY)
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find_library (LIBCXX_LIBRARY c++)
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find_library (LIBCXXFS_LIBRARY c++fs)
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find_library (LIBCXXABI_LIBRARY c++abi)
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
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target_link_libraries(global-libs INTERFACE ${EXCEPTION_HANDLING_LIBRARY})
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else ()
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set (LIBCXX_LIBRARY cxx)
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set (LIBCXXABI_LIBRARY cxxabi)
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add_subdirectory(contrib/libcxxabi-cmake)
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add_subdirectory(contrib/libcxx-cmake)
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# Exception handling library is embedded into libcxxabi.
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endif ()
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target_link_libraries(global-libs INTERFACE ${LIBCXX_LIBRARY} ${LIBCXXABI_LIBRARY} ${LIBCXXFS_LIBRARY})
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set (HAVE_LIBCXX 1)
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message (STATUS "Using libcxx: ${LIBCXX_LIBRARY}")
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message (STATUS "Using libcxxfs: ${LIBCXXFS_LIBRARY}")
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message (STATUS "Using libcxxabi: ${LIBCXXABI_LIBRARY}")
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else ()
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target_link_libraries(global-libs INTERFACE -l:libstdc++.a -l:libstdc++fs.a) # Always link these libraries as static
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target_link_libraries(global-libs INTERFACE ${EXCEPTION_HANDLING_LIBRARY})
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endif ()
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