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464 lines
18 KiB
CMake
464 lines
18 KiB
CMake
set(LIBCXX_LIB_CMAKEFILES_DIR "${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}" PARENT_SCOPE)
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# Get sources
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# FIXME: Don't use glob here
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file(GLOB LIBCXX_SOURCES ../src/*.cpp)
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if(WIN32)
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file(GLOB LIBCXX_WIN32_SOURCES ../src/support/win32/*.cpp)
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list(APPEND LIBCXX_SOURCES ${LIBCXX_WIN32_SOURCES})
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elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "SunOS")
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file(GLOB LIBCXX_SOLARIS_SOURCES ../src/support/solaris/*.cpp)
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list(APPEND LIBCXX_SOURCES ${LIBCXX_SOLARIS_SOURCES})
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endif()
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# Add all the headers to the project for IDEs.
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if (LIBCXX_CONFIGURE_IDE)
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file(GLOB_RECURSE LIBCXX_HEADERS ${CMAKE_CURRENT_SOURCE_DIR}/../include/*)
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if(WIN32)
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file( GLOB LIBCXX_WIN32_HEADERS ${CMAKE_CURRENT_SOURCE_DIR}/../include/support/win32/*.h)
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list(APPEND LIBCXX_HEADERS ${LIBCXX_WIN32_HEADERS})
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endif()
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# Force them all into the headers dir on MSVC, otherwise they end up at
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# project scope because they don't have extensions.
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if (MSVC_IDE)
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source_group("Header Files" FILES ${LIBCXX_HEADERS})
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endif()
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endif()
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if(NOT LIBCXX_INSTALL_LIBRARY)
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set(exclude_from_all EXCLUDE_FROM_ALL)
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endif()
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# If LIBCXX_CXX_ABI_LIBRARY_PATH is defined we want to add it to the search path.
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add_link_flags_if(LIBCXX_CXX_ABI_LIBRARY_PATH
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"${CMAKE_LIBRARY_PATH_FLAG}${LIBCXX_CXX_ABI_LIBRARY_PATH}")
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if (LIBCXX_GENERATE_COVERAGE AND NOT LIBCXX_COVERAGE_LIBRARY)
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find_compiler_rt_library(profile LIBCXX_COVERAGE_LIBRARY)
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endif()
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add_library_flags_if(LIBCXX_COVERAGE_LIBRARY "${LIBCXX_COVERAGE_LIBRARY}")
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if (APPLE AND (LIBCXX_CXX_ABI_LIBNAME STREQUAL "libcxxabi" OR
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LIBCXX_CXX_ABI_LIBNAME STREQUAL "default"))
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set(LIBCXX_OSX_REEXPORT_LIBCXXABI_SYMBOLS ON)
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endif()
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if (LIBCXX_STATICALLY_LINK_ABI_IN_SHARED_LIBRARY)
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add_library_flags("-Wl,--whole-archive" "-Wl,-Bstatic")
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add_library_flags("${LIBCXX_CXX_ABI_LIBRARY}")
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add_library_flags("-Wl,-Bdynamic" "-Wl,--no-whole-archive")
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elseif (LIBCXX_OSX_REEXPORT_LIBCXXABI_SYMBOLS)
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add_library_flags("${LIBCXX_CXX_ABI_LIBRARY}")
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else ()
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add_interface_library("${LIBCXX_CXX_ABI_LIBRARY}")
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endif()
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if (APPLE AND LLVM_USE_SANITIZER)
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if (("${LLVM_USE_SANITIZER}" STREQUAL "Address") OR
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("${LLVM_USE_SANITIZER}" STREQUAL "Address;Undefined") OR
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("${LLVM_USE_SANITIZER}" STREQUAL "Undefined;Address"))
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set(LIBFILE "libclang_rt.asan_osx_dynamic.dylib")
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elseif("${LLVM_USE_SANITIZER}" STREQUAL "Undefined")
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set(LIBFILE "libclang_rt.ubsan_osx_dynamic.dylib")
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elseif("${LLVM_USE_SANITIZER}" STREQUAL "Thread")
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set(LIBFILE "libclang_rt.tsan_osx_dynamic.dylib")
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else()
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message(WARNING "LLVM_USE_SANITIZER=${LLVM_USE_SANITIZER} is not supported on OS X")
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endif()
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if (LIBFILE)
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find_compiler_rt_dir(LIBDIR)
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if (NOT IS_DIRECTORY "${LIBDIR}")
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message(FATAL_ERROR "Cannot find compiler-rt directory on OS X required for LLVM_USE_SANITIZER")
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endif()
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set(LIBCXX_SANITIZER_LIBRARY "${LIBDIR}/${LIBFILE}")
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set(LIBCXX_SANITIZER_LIBRARY "${LIBCXX_SANITIZER_LIBRARY}" PARENT_SCOPE)
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message(STATUS "Manually linking compiler-rt library: ${LIBCXX_SANITIZER_LIBRARY}")
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add_library_flags("${LIBCXX_SANITIZER_LIBRARY}")
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add_link_flags("-Wl,-rpath,${LIBDIR}")
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endif()
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endif()
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# Generate private library list.
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add_library_flags_if(LIBCXX_HAS_PTHREAD_LIB pthread)
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add_library_flags_if(LIBCXX_HAS_C_LIB c)
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add_library_flags_if(LIBCXX_HAS_M_LIB m)
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add_library_flags_if(LIBCXX_HAS_RT_LIB rt)
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if (LIBCXX_USE_COMPILER_RT)
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find_compiler_rt_library(builtins LIBCXX_BUILTINS_LIBRARY)
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add_library_flags_if(LIBCXX_BUILTINS_LIBRARY "${LIBCXX_BUILTINS_LIBRARY}")
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else()
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add_library_flags_if(LIBCXX_HAS_GCC_S_LIB gcc_s)
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endif()
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add_library_flags_if(LIBCXX_HAVE_CXX_ATOMICS_WITH_LIB atomic)
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add_library_flags_if(MINGW "${MINGW_LIBRARIES}")
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# Add the unwinder library.
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if (LIBCXXABI_USE_LLVM_UNWINDER)
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if (NOT LIBCXXABI_ENABLE_STATIC_UNWINDER AND (TARGET unwind_shared OR HAVE_LIBUNWIND))
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add_interface_library(unwind_shared)
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elseif (LIBCXXABI_ENABLE_STATIC_UNWINDER AND (TARGET unwind_static OR HAVE_LIBUNWIND))
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add_interface_library(unwind_static)
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else()
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add_interface_library(unwind)
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endif()
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endif()
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# Setup flags.
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if (NOT WIN32)
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add_flags_if_supported(-fPIC)
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endif()
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add_link_flags_if_supported(-nodefaultlibs)
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if (LIBCXX_TARGETING_MSVC)
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if (LIBCXX_DEBUG_BUILD)
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set(LIB_SUFFIX "d")
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else()
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set(LIB_SUFFIX "")
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endif()
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add_compile_flags(/Zl)
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add_link_flags(/nodefaultlib)
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add_library_flags(ucrt${LIB_SUFFIX}) # Universal C runtime
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add_library_flags(vcruntime${LIB_SUFFIX}) # C++ runtime
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add_library_flags(msvcrt${LIB_SUFFIX}) # C runtime startup files
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add_library_flags(msvcprt${LIB_SUFFIX}) # C++ standard library. Required for exception_ptr internals.
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# Required for standards-complaint wide character formatting functions
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# (e.g. `printfw`/`scanfw`)
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add_library_flags(iso_stdio_wide_specifiers)
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endif()
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if (LIBCXX_OSX_REEXPORT_LIBCXXABI_SYMBOLS)
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if (NOT DEFINED LIBCXX_LIBCPPABI_VERSION)
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set(LIBCXX_LIBCPPABI_VERSION "2") # Default value
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execute_process(
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COMMAND xcrun --show-sdk-version
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OUTPUT_VARIABLE sdk_ver
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RESULT_VARIABLE res
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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if (res EQUAL 0)
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message(STATUS "Found SDK version ${sdk_ver}")
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string(REPLACE "10." "" sdk_ver "${sdk_ver}")
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if (sdk_ver LESS 9)
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set(LIBCXX_LIBCPPABI_VERSION "")
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else()
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set(LIBCXX_LIBCPPABI_VERSION "2")
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endif()
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endif()
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endif()
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if ( CMAKE_OSX_DEPLOYMENT_TARGET STREQUAL "10.6" )
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message(FATAL_ERROR "Mac OSX 10.6 is not supported anymore as a deployment "
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"target. If you need support for this, please contact "
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"the libc++ maintainers.")
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else()
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if ("armv7" IN_LIST CMAKE_OSX_ARCHITECTURES)
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set(RE_EXPORT_LIST "${CMAKE_CURRENT_SOURCE_DIR}/libc++sjlj-abi.exp")
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else()
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set(RE_EXPORT_LIST "${CMAKE_CURRENT_SOURCE_DIR}/libc++abi${LIBCXX_LIBCPPABI_VERSION}.exp")
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endif()
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add_link_flags(
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"-compatibility_version 1"
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"-install_name /usr/lib/libc++.1.dylib"
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"-Wl,-unexported_symbols_list,\"${CMAKE_CURRENT_SOURCE_DIR}/libc++unexp.exp\""
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"-Wl,-reexported_symbols_list,\"${RE_EXPORT_LIST}\""
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"-Wl,-force_symbols_not_weak_list,\"${CMAKE_CURRENT_SOURCE_DIR}/notweak.exp\""
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"-Wl,-force_symbols_weak_list,\"${CMAKE_CURRENT_SOURCE_DIR}/weak.exp\"")
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if (NOT LIBCXX_ENABLE_NEW_DELETE_DEFINITIONS)
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add_link_flags("-Wl,-reexported_symbols_list,\"${CMAKE_CURRENT_SOURCE_DIR}/libc++abi-new-delete.exp\"")
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endif()
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endif()
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endif()
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split_list(LIBCXX_COMPILE_FLAGS)
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split_list(LIBCXX_LINK_FLAGS)
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macro(cxx_object_library name)
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cmake_parse_arguments(ARGS "" "" "DEFINES;FLAGS" ${ARGN})
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# Add an object library that contains the compiled source files.
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add_library(${name} OBJECT ${exclude_from_all} ${LIBCXX_SOURCES} ${LIBCXX_HEADERS})
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if(LIBCXX_CXX_ABI_HEADER_TARGET)
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add_dependencies(${name} ${LIBCXX_CXX_ABI_HEADER_TARGET})
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endif()
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if(WIN32 AND NOT MINGW)
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target_compile_definitions(${name}
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PRIVATE
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# Ignore the -MSC_VER mismatch, as we may build
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# with a different compatibility version.
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_ALLOW_MSC_VER_MISMATCH
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# Don't check the msvcprt iterator debug levels
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# as we will define the iterator types; libc++
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# uses a different macro to identify the debug
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# level.
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_ALLOW_ITERATOR_DEBUG_LEVEL_MISMATCH
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# We are building the c++ runtime, don't pull in
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# msvcprt.
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_CRTBLD
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# Don't warn on the use of "deprecated"
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# "insecure" functions which are standards
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# specified.
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_CRT_SECURE_NO_WARNINGS
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# Use the ISO conforming behaviour for conversion
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# in printf, scanf.
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_CRT_STDIO_ISO_WIDE_SPECIFIERS)
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endif()
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if(ARGS_DEFINES)
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target_compile_definitions(${name} PRIVATE ${ARGS_DEFINES})
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endif()
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set_target_properties(${name}
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PROPERTIES
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COMPILE_FLAGS ${LIBCXX_COMPILE_FLAGS}
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)
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if(ARGS_FLAGS)
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target_compile_options(${name} PRIVATE ${ARGS_FLAGS})
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endif()
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endmacro()
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if(LIBCXX_HERMETIC_STATIC_LIBRARY)
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append_flags_if_supported(CXX_STATIC_OBJECTS_FLAGS -fvisibility=hidden)
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append_flags_if_supported(CXX_STATIC_OBJECTS_FLAGS -fvisibility-global-new-delete-hidden)
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cxx_object_library(cxx_static_objects
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DEFINES _LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS
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FLAGS ${CXX_STATIC_OBJECTS_FLAGS})
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cxx_object_library(cxx_shared_objects)
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set(cxx_static_sources $<TARGET_OBJECTS:cxx_static_objects>)
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set(cxx_shared_sources $<TARGET_OBJECTS:cxx_shared_objects>)
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else()
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cxx_object_library(cxx_objects)
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set(cxx_static_sources $<TARGET_OBJECTS:cxx_objects>)
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set(cxx_shared_sources $<TARGET_OBJECTS:cxx_objects>)
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endif()
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# Build the shared library.
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if (LIBCXX_ENABLE_SHARED)
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add_library(cxx_shared SHARED ${cxx_shared_sources})
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if(COMMAND llvm_setup_rpath)
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llvm_setup_rpath(cxx_shared)
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endif()
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target_link_libraries(cxx_shared ${LIBCXX_LIBRARIES})
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set_target_properties(cxx_shared
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PROPERTIES
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LINK_FLAGS "${LIBCXX_LINK_FLAGS}"
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OUTPUT_NAME "c++"
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VERSION "${LIBCXX_ABI_VERSION}.0"
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SOVERSION "${LIBCXX_ABI_VERSION}"
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)
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list(APPEND LIBCXX_BUILD_TARGETS "cxx_shared")
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if (LIBCXX_INSTALL_SHARED_LIBRARY)
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list(APPEND LIBCXX_INSTALL_TARGETS "cxx_shared")
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endif()
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if(WIN32 AND NOT MINGW AND NOT "${CMAKE_HOST_SYSTEM_NAME}" STREQUAL "Windows")
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# Since we most likely do not have a mt.exe replacement, disable the
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# manifest bundling. This allows a normal cmake invocation to pass which
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# will attempt to use the manifest tool to generate the bundled manifest
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set_target_properties(cxx_shared PROPERTIES
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APPEND_STRING PROPERTY LINK_FLAGS " /MANIFEST:NO")
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endif()
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endif()
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# Build the static library.
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if (LIBCXX_ENABLE_STATIC)
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add_library(cxx_static STATIC ${cxx_static_sources})
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target_link_libraries(cxx_static ${LIBCXX_LIBRARIES})
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set(CMAKE_STATIC_LIBRARY_PREFIX "lib")
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set_target_properties(cxx_static
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PROPERTIES
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LINK_FLAGS "${LIBCXX_LINK_FLAGS}"
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OUTPUT_NAME "c++"
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)
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list(APPEND LIBCXX_BUILD_TARGETS "cxx_static")
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if (LIBCXX_INSTALL_STATIC_LIBRARY)
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list(APPEND LIBCXX_INSTALL_TARGETS "cxx_static")
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endif()
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# Attempt to merge the libc++.a archive and the ABI library archive into one.
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if (LIBCXX_STATICALLY_LINK_ABI_IN_STATIC_LIBRARY)
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set(MERGE_ARCHIVES_SEARCH_PATHS "")
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if (LIBCXX_CXX_ABI_LIBRARY_PATH)
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set(MERGE_ARCHIVES_SEARCH_PATHS "-L${LIBCXX_CXX_ABI_LIBRARY_PATH}")
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endif()
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if ((TARGET ${LIBCXX_CXX_ABI_LIBRARY}) OR
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(${LIBCXX_CXX_ABI_LIBRARY} MATCHES "cxxabi(_static|_shared)?" AND HAVE_LIBCXXABI))
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set(MERGE_ARCHIVES_ABI_TARGET "$<TARGET_LINKER_FILE:cxxabi_static>")
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else()
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set(MERGE_ARCHIVES_ABI_TARGET
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"${CMAKE_STATIC_LIBRARY_PREFIX}${LIBCXX_CXX_ABI_LIBRARY}${CMAKE_STATIC_LIBRARY_SUFFIX}")
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endif()
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add_custom_command(TARGET cxx_static POST_BUILD
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COMMAND
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${PYTHON_EXECUTABLE} ${LIBCXX_SOURCE_DIR}/utils/merge_archives.py
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ARGS
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-o $<TARGET_LINKER_FILE:cxx_static>
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--ar "${CMAKE_AR}"
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"$<TARGET_LINKER_FILE:cxx_static>"
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"${MERGE_ARCHIVES_ABI_TARGET}"
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"${MERGE_ARCHIVES_SEARCH_PATHS}"
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WORKING_DIRECTORY ${LIBCXX_BUILD_DIR}
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)
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endif()
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endif()
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# Add a meta-target for both libraries.
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add_custom_target(cxx DEPENDS cxx-headers ${LIBCXX_BUILD_TARGETS})
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if (LIBCXX_ENABLE_FILESYSTEM)
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set(LIBCXX_FILESYSTEM_SOURCES
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../src/filesystem/operations.cpp
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../src/filesystem/directory_iterator.cpp)
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# Filesystem uses __int128_t, which requires a definition of __muloi4 when
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# compiled with UBSAN. This definition is not provided by libgcc_s, but is
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# provided by compiler-rt. So we need to disable it to avoid having multiple
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# definitions. See filesystem/int128_builtins.cpp.
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if (NOT LIBCXX_USE_COMPILER_RT)
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list(APPEND LIBCXX_FILESYSTEM_SOURCES ../src/filesystem/int128_builtins.cpp)
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endif()
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add_library(cxx_filesystem STATIC ${LIBCXX_FILESYSTEM_SOURCES})
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if (LIBCXX_ENABLE_SHARED)
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target_link_libraries(cxx_filesystem cxx_shared)
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else()
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target_link_libraries(cxx_filesystem cxx_static)
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endif()
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set(filesystem_flags "${LIBCXX_COMPILE_FLAGS}")
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check_flag_supported(-std=c++14)
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if (NOT MSVC AND LIBCXX_SUPPORTS_STD_EQ_CXX14_FLAG)
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string(REPLACE "-std=c++11" "-std=c++14" filesystem_flags "${LIBCXX_COMPILE_FLAGS}")
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endif()
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set_target_properties(cxx_filesystem
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PROPERTIES
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COMPILE_FLAGS "${filesystem_flags}"
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OUTPUT_NAME "c++fs"
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)
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endif()
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if (LIBCXX_ENABLE_EXPERIMENTAL_LIBRARY)
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file(GLOB LIBCXX_EXPERIMENTAL_SOURCES ../src/experimental/*.cpp)
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add_library(cxx_experimental STATIC ${LIBCXX_EXPERIMENTAL_SOURCES})
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if (LIBCXX_ENABLE_SHARED)
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target_link_libraries(cxx_experimental cxx_shared)
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else()
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target_link_libraries(cxx_experimental cxx_static)
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endif()
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set(experimental_flags "${LIBCXX_COMPILE_FLAGS}")
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check_flag_supported(-std=c++14)
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if (NOT MSVC AND LIBCXX_SUPPORTS_STD_EQ_CXX14_FLAG)
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string(REPLACE "-std=c++11" "-std=c++14" experimental_flags "${LIBCXX_COMPILE_FLAGS}")
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endif()
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set_target_properties(cxx_experimental
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PROPERTIES
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COMPILE_FLAGS "${experimental_flags}"
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OUTPUT_NAME "c++experimental"
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)
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endif()
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if (LIBCXX_BUILD_EXTERNAL_THREAD_LIBRARY)
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file(GLOB LIBCXX_EXTERNAL_THREADING_SUPPORT_SOURCES ../test/support/external_threads.cpp)
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if (LIBCXX_ENABLE_SHARED)
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add_library(cxx_external_threads SHARED ${LIBCXX_EXTERNAL_THREADING_SUPPORT_SOURCES})
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else()
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add_library(cxx_external_threads STATIC ${LIBCXX_EXTERNAL_THREADING_SUPPORT_SOURCES})
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endif()
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set_target_properties(cxx_external_threads
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PROPERTIES
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LINK_FLAGS "${LIBCXX_LINK_FLAGS}"
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COMPILE_FLAGS "${LIBCXX_COMPILE_FLAGS}"
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OUTPUT_NAME "c++external_threads"
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)
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endif()
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# Generate a linker script inplace of a libc++.so symlink. Rerun this command
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# after cxx builds.
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if (LIBCXX_ENABLE_SHARED AND LIBCXX_ENABLE_ABI_LINKER_SCRIPT)
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# Get the name of the ABI library and handle the case where CXXABI_LIBNAME
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# is a target name and not a library. Ex cxxabi_shared.
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set(LIBCXX_INTERFACE_LIBRARY_NAMES)
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foreach(lib ${LIBCXX_INTERFACE_LIBRARIES})
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# FIXME: Handle cxxabi_static and unwind_static.
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if (TARGET ${lib} OR
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(${lib} MATCHES "cxxabi(_static|_shared)?" AND HAVE_LIBCXXABI) OR
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(${lib} MATCHES "unwind(_static|_shared)?" AND HAVE_LIBUNWIND))
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list(APPEND LIBCXX_INTERFACE_LIBRARY_NAMES "$<TARGET_PROPERTY:${lib},OUTPUT_NAME>")
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else()
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list(APPEND LIBCXX_INTERFACE_LIBRARY_NAMES "${lib}")
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endif()
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endforeach()
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#split_list(LIBCXX_INTERFACE_LIBRARY_NAMES)
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# Generate a linker script inplace of a libc++.so symlink. Rerun this command
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# after cxx builds.
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add_custom_command(TARGET cxx_shared POST_BUILD
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COMMAND
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${PYTHON_EXECUTABLE} ${LIBCXX_SOURCE_DIR}/utils/gen_link_script.py
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ARGS
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"$<TARGET_LINKER_FILE:cxx_shared>"
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${LIBCXX_INTERFACE_LIBRARY_NAMES}
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WORKING_DIRECTORY ${LIBCXX_BUILD_DIR}
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)
|
|
endif()
|
|
|
|
if (LIBCXX_INSTALL_LIBRARY)
|
|
if (LIBCXX_INSTALL_FILESYSTEM_LIBRARY)
|
|
set(filesystem_lib cxx_filesystem)
|
|
endif()
|
|
if (LIBCXX_INSTALL_EXPERIMENTAL_LIBRARY)
|
|
set(experimental_lib cxx_experimental)
|
|
endif()
|
|
install(TARGETS ${LIBCXX_INSTALL_TARGETS} ${filesystem_lib} ${experimental_lib}
|
|
LIBRARY DESTINATION ${LIBCXX_INSTALL_PREFIX}lib${LIBCXX_LIBDIR_SUFFIX} COMPONENT cxx
|
|
ARCHIVE DESTINATION ${LIBCXX_INSTALL_PREFIX}lib${LIBCXX_LIBDIR_SUFFIX} COMPONENT cxx
|
|
)
|
|
# NOTE: This install command must go after the cxx install command otherwise
|
|
# it will not be executed after the library symlinks are installed.
|
|
if (LIBCXX_ENABLE_SHARED AND LIBCXX_ENABLE_ABI_LINKER_SCRIPT)
|
|
# Replace the libc++ filename with $<TARGET_LINKER_FILE:cxx>
|
|
# after we required CMake 3.0.
|
|
install(FILES "${LIBCXX_LIBRARY_DIR}/libc++${CMAKE_SHARED_LIBRARY_SUFFIX}"
|
|
DESTINATION ${LIBCXX_INSTALL_PREFIX}lib${LIBCXX_LIBDIR_SUFFIX}
|
|
COMPONENT libcxx)
|
|
endif()
|
|
endif()
|
|
|
|
if (NOT CMAKE_CONFIGURATION_TYPES AND (LIBCXX_INSTALL_LIBRARY OR
|
|
LIBCXX_INSTALL_HEADERS))
|
|
if(LIBCXX_INSTALL_LIBRARY)
|
|
set(lib_install_target cxx)
|
|
endif()
|
|
if (LIBCXX_INSTALL_FILESYSTEM_LIBRARY)
|
|
set(filesystem_lib_install_target cxx_filesystem)
|
|
endif()
|
|
if (LIBCXX_INSTALL_EXPERIMENTAL_LIBRARY)
|
|
set(experimental_lib_install_target cxx_experimental)
|
|
endif()
|
|
if(LIBCXX_INSTALL_HEADERS)
|
|
set(header_install_target install-cxx-headers)
|
|
endif()
|
|
add_custom_target(install-cxx
|
|
DEPENDS ${lib_install_target}
|
|
${experimental_lib_install_target}
|
|
${filesystem_lib_install_target}
|
|
${header_install_target}
|
|
COMMAND "${CMAKE_COMMAND}"
|
|
-DCMAKE_INSTALL_COMPONENT=cxx
|
|
-P "${LIBCXX_BINARY_DIR}/cmake_install.cmake")
|
|
add_custom_target(install-cxx-stripped
|
|
DEPENDS ${lib_install_target}
|
|
${experimental_lib_install_target}
|
|
${filesystem_lib_install_target}
|
|
${header_install_target}
|
|
COMMAND "${CMAKE_COMMAND}"
|
|
-DCMAKE_INSTALL_COMPONENT=cxx
|
|
-DCMAKE_INSTALL_DO_STRIP=1
|
|
-P "${LIBCXX_BINARY_DIR}/cmake_install.cmake")
|
|
add_custom_target(install-libcxx DEPENDS install-cxx)
|
|
endif()
|