forked from OSchip/llvm-project
234 lines
8.7 KiB
CMake
234 lines
8.7 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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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/*.c)
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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_ENABLE_SHARED)
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add_library(cxx SHARED ${exclude_from_all} ${LIBCXX_SOURCES} ${LIBCXX_HEADERS})
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else()
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add_library(cxx STATIC ${exclude_from_all} ${LIBCXX_SOURCES} ${LIBCXX_HEADERS})
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endif()
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if (DEFINED LIBCXX_CXX_ABI_DEPS)
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add_dependencies(cxx LIBCXX_CXX_ABI_DEPS)
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endif()
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#if LIBCXX_CXX_ABI_LIBRARY_PATH is defined we want to add it to the search path.
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add_link_flags_if(LIBCXX_CXX_ABI_LIBRARY_PATH "-L${LIBCXX_CXX_ABI_LIBRARY_PATH}")
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add_library_flags_if(LIBCXX_COVERAGE_LIBRARY "${LIBCXX_COVERAGE_LIBRARY}")
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add_library_flags_if(LIBCXX_ENABLE_STATIC_ABI_LIBRARY "-Wl,--whole-archive" "-Wl,-Bstatic")
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add_library_flags("${LIBCXX_CXX_ABI_LIBRARY}")
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add_library_flags_if(LIBCXX_ENABLE_STATIC_ABI_LIBRARY "-Wl,-Bdynamic" "-Wl,--no-whole-archive")
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if (APPLE AND LLVM_USE_SANITIZER)
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if ("${LLVM_USE_SANITIZER}" STREQUAL "Address")
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set(LIBFILE "libclang_rt.asan_osx_dynamic.dylib")
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elseif("${LLVM_USE_SANITIZER}" STREQUAL "Undefined")
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set(LIBFILE "libclang_rt.ubsan_osx_dynamic.dylib")
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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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execute_process(COMMAND ${CMAKE_CXX_COMPILER} -print-file-name=lib OUTPUT_VARIABLE LIBDIR RESULT_VARIABLE Result)
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if (NOT ${Result} EQUAL "0")
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message(FATAL "Failed to find library resource directory")
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endif()
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string(STRIP "${LIBDIR}" LIBDIR)
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set(LIBDIR "${LIBDIR}/darwin/")
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if (NOT IS_DIRECTORY "${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 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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add_library_flags_if(LIBCXX_HAS_GCC_S_LIB gcc_s)
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add_library_flags_if(LIBCXX_HAS_ATOMIC_LIB atomic)
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# Setup flags.
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add_flags_if_supported(-fPIC)
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add_link_flags_if_supported(-nodefaultlibs)
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if ( APPLE AND (LIBCXX_CXX_ABI_LIBNAME STREQUAL "libcxxabi" OR
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LIBCXX_CXX_ABI_LIBNAME STREQUAL "none"))
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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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add_definitions(-D__STRICT_ANSI__)
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add_link_flags(
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"-compatibility_version 1"
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"-current_version 1"
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"-install_name /usr/lib/libc++.1.dylib"
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"-Wl,-reexport_library,/usr/lib/libc++abi.dylib"
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"-Wl,-unexported_symbols_list,${CMAKE_CURRENT_SOURCE_DIR}/libc++unexp.exp"
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"/usr/lib/libSystem.B.dylib")
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else()
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if ( ${CMAKE_OSX_SYSROOT} )
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list(FIND ${CMAKE_OSX_ARCHITECTURES} "armv7" OSX_HAS_ARMV7)
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if (OSX_HAS_ARMV7)
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set(OSX_RE_EXPORT_LINE
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"${CMAKE_OSX_SYSROOT}/usr/lib/libc++abi.dylib"
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"-Wl,-reexported_symbols_list,${CMAKE_CURRENT_SOURCE_DIR}/libc++sjlj-abi.exp")
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else()
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set(OSX_RE_EXPORT_LINE
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"-Wl,-reexport_library,${CMAKE_OSX_SYSROOT}/usr/lib/libc++abi.dylib")
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endif()
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else()
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set(OSX_RE_EXPORT_LINE "/usr/lib/libc++abi.dylib -Wl,-reexported_symbols_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,${CMAKE_CURRENT_SOURCE_DIR}/libc++unexp.exp"
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"${OSX_RE_EXPORT_LINE}"
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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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endif()
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endif()
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target_link_libraries(cxx ${LIBCXX_LIBRARIES})
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split_list(LIBCXX_COMPILE_FLAGS)
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split_list(LIBCXX_LINK_FLAGS)
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set_target_properties(cxx
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PROPERTIES
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COMPILE_FLAGS "${LIBCXX_COMPILE_FLAGS}"
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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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if (LIBCXX_ENABLE_EXPERIMENTAL_LIBRARY)
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file(GLOB LIBCXX_EXPERIMENTAL_SOURCES ../src/experimental/*.cpp)
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if (LIBCXX_ENABLE_FILESYSTEM)
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file(GLOB LIBCXX_FILESYSTEM_SOURCES ../src/experimental/filesystem/*.cpp)
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endif()
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add_library(cxx_experimental STATIC ${LIBCXX_EXPERIMENTAL_SOURCES} ${LIBCXX_FILESYSTEM_SOURCES})
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target_link_libraries(cxx_experimental cxx)
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set(experimental_flags "${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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# 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_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(SCRIPT_ABI_LIBNAME "${LIBCXX_CXX_ABI_LIBRARY}")
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if (SCRIPT_ABI_LIBNAME STREQUAL "cxxabi_shared")
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set(SCRIPT_ABI_LIBNAME "c++abi")
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endif()
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# Generate a linker script inplace of a libc++.so symlink. Rerun this command
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# after cxx builds.
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add_custom_command(TARGET cxx POST_BUILD
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COMMAND
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${PYTHON_EXECUTABLE} ${LIBCXX_SOURCE_DIR}/utils/gen_link_script/gen_link_script.py
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ARGS
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"$<TARGET_LINKER_FILE:cxx>"
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"${SCRIPT_ABI_LIBNAME}"
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WORKING_DIRECTORY ${LIBCXX_BUILD_DIR}
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)
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endif()
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if (LIBCXX_INSTALL_LIBRARY)
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if (LIBCXX_INSTALL_EXPERIMENTAL_LIBRARY)
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set(experimental_lib cxx_experimental)
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endif()
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install(TARGETS cxx ${experimental_lib}
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LIBRARY DESTINATION lib${LIBCXX_LIBDIR_SUFFIX} COMPONENT libcxx
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ARCHIVE DESTINATION lib${LIBCXX_LIBDIR_SUFFIX} COMPONENT libcxx
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)
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# NOTE: This install command must go after the cxx install command otherwise
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# it will not be executed after the library symlinks are installed.
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if (LIBCXX_ENABLE_ABI_LINKER_SCRIPT)
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# Replace the libc++ filename with $<TARGET_LINKER_FILE:cxx>
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# after we required CMake 3.0.
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install(FILES "${LIBCXX_LIBRARY_DIR}/libc++${CMAKE_SHARED_LIBRARY_SUFFIX}"
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DESTINATION lib${LIBCXX_LIBDIR_SUFFIX}
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COMPONENT libcxx)
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endif()
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endif()
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if (NOT CMAKE_CONFIGURATION_TYPES AND (LIBCXX_INSTALL_LIBRARY OR
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LIBCXX_INSTALL_HEADERS))
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if(LIBCXX_INSTALL_LIBRARY)
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set(lib_install_target cxx)
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endif()
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if (LIBCXX_INSTALL_EXPERIMENTAL_LIBRARY)
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set(experimental_lib_install_target cxx_experimental)
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endif()
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if(LIBCXX_INSTALL_HEADERS)
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set(header_install_target install-libcxx-headers)
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endif()
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add_custom_target(install-libcxx
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DEPENDS ${lib_install_target}
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${experimental_lib_install_target}
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${header_install_target}
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COMMAND "${CMAKE_COMMAND}"
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-DCMAKE_INSTALL_COMPONENT=libcxx
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-P "${LIBCXX_BINARY_DIR}/cmake_install.cmake")
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endif()
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