| set(LIBCXX_LIB_CMAKEFILES_DIR "${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}" PARENT_SCOPE) |
| |
| # Get sources |
| # FIXME: Don't use glob here |
| file(GLOB LIBCXX_SOURCES ../src/*.cpp) |
| if(WIN32) |
| file(GLOB LIBCXX_WIN32_SOURCES ../src/support/win32/*.cpp) |
| list(APPEND LIBCXX_SOURCES ${LIBCXX_WIN32_SOURCES}) |
| elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "SunOS") |
| file(GLOB LIBCXX_SOLARIS_SOURCES ../src/support/solaris/*.cpp) |
| list(APPEND LIBCXX_SOURCES ${LIBCXX_SOLARIS_SOURCES}) |
| endif() |
| |
| if (LIBCXX_ENABLE_FILESYSTEM) |
| list(APPEND LIBCXX_SOURCES ../src/filesystem/operations.cpp |
| ../src/filesystem/directory_iterator.cpp) |
| # Filesystem uses __int128_t, which requires a definition of __muloi4 when |
| # compiled with UBSAN. This definition is not provided by libgcc_s, but is |
| # provided by compiler-rt. So we need to disable it to avoid having multiple |
| # definitions. See filesystem/int128_builtins.cpp. |
| if (NOT LIBCXX_USE_COMPILER_RT) |
| list(APPEND LIBCXX_SOURCES ../src/filesystem/int128_builtins.cpp) |
| endif() |
| endif() |
| |
| # Add all the headers to the project for IDEs. |
| if (LIBCXX_CONFIGURE_IDE) |
| file(GLOB_RECURSE LIBCXX_HEADERS ${CMAKE_CURRENT_SOURCE_DIR}/../include/*) |
| if(WIN32) |
| file( GLOB LIBCXX_WIN32_HEADERS ${CMAKE_CURRENT_SOURCE_DIR}/../include/support/win32/*.h) |
| list(APPEND LIBCXX_HEADERS ${LIBCXX_WIN32_HEADERS}) |
| endif() |
| # Force them all into the headers dir on MSVC, otherwise they end up at |
| # project scope because they don't have extensions. |
| if (MSVC_IDE) |
| source_group("Header Files" FILES ${LIBCXX_HEADERS}) |
| endif() |
| endif() |
| |
| if(NOT LIBCXX_INSTALL_LIBRARY) |
| set(exclude_from_all EXCLUDE_FROM_ALL) |
| endif() |
| |
| # If LIBCXX_CXX_ABI_LIBRARY_PATH is defined we want to add it to the search path. |
| add_link_flags_if(LIBCXX_CXX_ABI_LIBRARY_PATH |
| "${CMAKE_LIBRARY_PATH_FLAG}${LIBCXX_CXX_ABI_LIBRARY_PATH}") |
| |
| |
| if (LIBCXX_GENERATE_COVERAGE AND NOT LIBCXX_COVERAGE_LIBRARY) |
| find_compiler_rt_library(profile LIBCXX_COVERAGE_LIBRARY) |
| endif() |
| add_library_flags_if(LIBCXX_COVERAGE_LIBRARY "${LIBCXX_COVERAGE_LIBRARY}") |
| |
| if (APPLE AND LLVM_USE_SANITIZER) |
| if (("${LLVM_USE_SANITIZER}" STREQUAL "Address") OR |
| ("${LLVM_USE_SANITIZER}" STREQUAL "Address;Undefined") OR |
| ("${LLVM_USE_SANITIZER}" STREQUAL "Undefined;Address")) |
| set(LIBFILE "libclang_rt.asan_osx_dynamic.dylib") |
| elseif("${LLVM_USE_SANITIZER}" STREQUAL "Undefined") |
| set(LIBFILE "libclang_rt.ubsan_osx_dynamic.dylib") |
| elseif("${LLVM_USE_SANITIZER}" STREQUAL "Thread") |
| set(LIBFILE "libclang_rt.tsan_osx_dynamic.dylib") |
| else() |
| message(WARNING "LLVM_USE_SANITIZER=${LLVM_USE_SANITIZER} is not supported on OS X") |
| endif() |
| if (LIBFILE) |
| find_compiler_rt_dir(LIBDIR) |
| if (NOT IS_DIRECTORY "${LIBDIR}") |
| message(FATAL_ERROR "Cannot find compiler-rt directory on OS X required for LLVM_USE_SANITIZER") |
| endif() |
| set(LIBCXX_SANITIZER_LIBRARY "${LIBDIR}/${LIBFILE}") |
| set(LIBCXX_SANITIZER_LIBRARY "${LIBCXX_SANITIZER_LIBRARY}" PARENT_SCOPE) |
| message(STATUS "Manually linking compiler-rt library: ${LIBCXX_SANITIZER_LIBRARY}") |
| add_library_flags("${LIBCXX_SANITIZER_LIBRARY}") |
| add_link_flags("-Wl,-rpath,${LIBDIR}") |
| endif() |
| endif() |
| |
| function(cxx_link_system_libraries target) |
| target_add_link_flags_if_supported(${target} PRIVATE "-nodefaultlibs") |
| target_add_compile_flags_if_supported(${target} PRIVATE "/Zl") |
| target_add_link_flags_if_supported(${target} PRIVATE "/nodefaultlib") |
| |
| if (LIBCXX_HAS_PTHREAD_LIB) |
| target_link_libraries(${target} PUBLIC pthread) |
| endif() |
| |
| if (LIBCXX_HAS_C_LIB) |
| target_link_libraries(${target} PUBLIC c) |
| endif() |
| |
| if (LIBCXX_HAS_M_LIB) |
| target_link_libraries(${target} PUBLIC m) |
| endif() |
| |
| if (LIBCXX_HAS_RT_LIB) |
| target_link_libraries(${target} PUBLIC rt) |
| endif() |
| |
| if (LIBCXX_USE_COMPILER_RT) |
| find_compiler_rt_library(builtins LIBCXX_BUILTINS_LIBRARY) |
| if (LIBCXX_BUILTINS_LIBRARY) |
| target_link_libraries(${target} PUBLIC "${LIBCXX_BUILTINS_LIBRARY}") |
| endif() |
| elseif (LIBCXX_HAS_GCC_S_LIB) |
| target_link_libraries(${target} PUBLIC gcc_s) |
| endif() |
| |
| if (LIBCXX_HAVE_CXX_ATOMICS_WITH_LIB) |
| target_link_libraries(${target} PUBLIC atomic) |
| endif() |
| |
| if (MINGW) |
| target_link_libraries(${target} PUBLIC "${MINGW_LIBRARIES}") |
| endif() |
| |
| if (LIBCXX_TARGETING_MSVC) |
| if (LIBCXX_DEBUG_BUILD) |
| set(LIB_SUFFIX "d") |
| else() |
| set(LIB_SUFFIX "") |
| endif() |
| |
| target_link_libraries(${target} PUBLIC ucrt${LIB_SUFFIX}) # Universal C runtime |
| target_link_libraries(${target} PUBLIC vcruntime${LIB_SUFFIX}) # C++ runtime |
| target_link_libraries(${target} PUBLIC msvcrt${LIB_SUFFIX}) # C runtime startup files |
| target_link_libraries(${target} PUBLIC msvcprt${LIB_SUFFIX}) # C++ standard library. Required for exception_ptr internals. |
| # Required for standards-complaint wide character formatting functions |
| # (e.g. `printfw`/`scanfw`) |
| target_link_libraries(${target} PUBLIC iso_stdio_wide_specifiers) |
| endif() |
| endfunction() |
| |
| function(cxx_set_common_defines name) |
| if(LIBCXX_CXX_ABI_HEADER_TARGET) |
| add_dependencies(${name} ${LIBCXX_CXX_ABI_HEADER_TARGET}) |
| endif() |
| if(WIN32 AND NOT MINGW) |
| target_compile_definitions(${name} |
| PRIVATE |
| # Ignore the -MSC_VER mismatch, as we may build |
| # with a different compatibility version. |
| _ALLOW_MSC_VER_MISMATCH |
| # Don't check the msvcprt iterator debug levels |
| # as we will define the iterator types; libc++ |
| # uses a different macro to identify the debug |
| # level. |
| _ALLOW_ITERATOR_DEBUG_LEVEL_MISMATCH |
| # We are building the c++ runtime, don't pull in |
| # msvcprt. |
| _CRTBLD |
| # Don't warn on the use of "deprecated" |
| # "insecure" functions which are standards |
| # specified. |
| _CRT_SECURE_NO_WARNINGS |
| # Use the ISO conforming behaviour for conversion |
| # in printf, scanf. |
| _CRT_STDIO_ISO_WIDE_SPECIFIERS) |
| endif() |
| endfunction() |
| |
| split_list(LIBCXX_COMPILE_FLAGS) |
| split_list(LIBCXX_LINK_FLAGS) |
| |
| # Build the shared library. |
| if (LIBCXX_ENABLE_SHARED) |
| add_library(cxx_shared SHARED ${exclude_from_all} ${LIBCXX_SOURCES} ${LIBCXX_HEADERS}) |
| if(COMMAND llvm_setup_rpath) |
| llvm_setup_rpath(cxx_shared) |
| endif() |
| cxx_link_system_libraries(cxx_shared) |
| target_link_libraries(cxx_shared PRIVATE ${LIBCXX_LIBRARIES}) |
| set_target_properties(cxx_shared |
| PROPERTIES |
| COMPILE_FLAGS "${LIBCXX_COMPILE_FLAGS}" |
| LINK_FLAGS "${LIBCXX_LINK_FLAGS}" |
| OUTPUT_NAME "c++" |
| VERSION "${LIBCXX_ABI_VERSION}.0" |
| SOVERSION "${LIBCXX_ABI_VERSION}" |
| DEFINE_SYMBOL "" |
| ) |
| cxx_set_common_defines(cxx_shared) |
| |
| # Link against LLVM libunwind |
| if (LIBCXXABI_USE_LLVM_UNWINDER) |
| if (NOT LIBCXXABI_STATICALLY_LINK_UNWINDER_IN_SHARED_LIBRARY AND (TARGET unwind_shared OR HAVE_LIBUNWIND)) |
| target_link_libraries(cxx_shared PUBLIC unwind_shared) |
| list(APPEND LIBCXX_INTERFACE_LIBRARIES unwind_shared) # For the linker script |
| elseif (LIBCXXABI_STATICALLY_LINK_UNWINDER_IN_SHARED_LIBRARY AND (TARGET unwind_static OR HAVE_LIBUNWIND)) |
| # libunwind is already included in libc++abi |
| else() |
| target_link_libraries(cxx_shared PRIVATE unwind) |
| list(APPEND LIBCXX_INTERFACE_LIBRARIES unwind) # For the linker script |
| endif() |
| endif() |
| |
| # Link against libc++abi |
| if (LIBCXX_STATICALLY_LINK_ABI_IN_SHARED_LIBRARY) |
| if (APPLE) |
| target_link_libraries(cxx_shared PRIVATE "-Wl,-force_load" "${LIBCXX_CXX_STATIC_ABI_LIBRARY}") |
| else() |
| target_link_libraries(cxx_shared PRIVATE "-Wl,--whole-archive,-Bstatic" "${LIBCXX_CXX_STATIC_ABI_LIBRARY}" "-Wl,-Bdynamic,--no-whole-archive") |
| endif() |
| else() |
| target_link_libraries(cxx_shared PUBLIC "${LIBCXX_CXX_SHARED_ABI_LIBRARY}") |
| list(APPEND LIBCXX_INTERFACE_LIBRARIES "${LIBCXX_CXX_SHARED_ABI_LIBRARY}") # For the linker script |
| endif() |
| |
| # Maybe re-export symbols from libc++abi |
| if (APPLE AND (LIBCXX_CXX_ABI_LIBNAME STREQUAL "libcxxabi" OR |
| LIBCXX_CXX_ABI_LIBNAME STREQUAL "default") |
| AND NOT DEFINED LIBCXX_OSX_REEXPORT_LIBCXXABI_SYMBOLS) |
| set(LIBCXX_OSX_REEXPORT_LIBCXXABI_SYMBOLS ON) |
| endif() |
| |
| if (LIBCXX_OSX_REEXPORT_LIBCXXABI_SYMBOLS) |
| if ("${CMAKE_OSX_ARCHITECTURES}" MATCHES "^(armv6|armv7|armv7s)$") |
| set(RE_EXPORT_LIST "${CMAKE_CURRENT_SOURCE_DIR}/libc++sjlj-abi.v${LIBCXX_LIBCPPABI_VERSION}.exp") |
| else() |
| set(RE_EXPORT_LIST "${CMAKE_CURRENT_SOURCE_DIR}/libc++abi.v${LIBCXX_LIBCPPABI_VERSION}.exp") |
| endif() |
| target_link_libraries(cxx_shared PRIVATE |
| "-Wl,-unexported_symbols_list,${CMAKE_CURRENT_SOURCE_DIR}/libc++unexp.exp" |
| "-Wl,-reexported_symbols_list,${RE_EXPORT_LIST}" |
| "-Wl,-force_symbols_not_weak_list,${CMAKE_CURRENT_SOURCE_DIR}/notweak.exp" |
| "-Wl,-force_symbols_weak_list,${CMAKE_CURRENT_SOURCE_DIR}/weak.exp") |
| |
| if (NOT LIBCXX_ENABLE_NEW_DELETE_DEFINITIONS) |
| target_link_libraries(cxx_shared PRIVATE "-Wl,-reexported_symbols_list,${CMAKE_CURRENT_SOURCE_DIR}/libc++abi-new-delete.exp") |
| endif() |
| endif() |
| |
| # Generate a linker script in place of a libc++.so symlink. Rerun this command |
| # after cxx builds. |
| if (LIBCXX_ENABLE_ABI_LINKER_SCRIPT) |
| # Get the name of the ABI library and handle the case where CXXABI_LIBNAME |
| # is a target name and not a library. Ex cxxabi_shared. |
| set(LIBCXX_INTERFACE_LIBRARY_NAMES) |
| foreach(lib ${LIBCXX_INTERFACE_LIBRARIES}) |
| # FIXME: Handle cxxabi_static and unwind_static. |
| if (TARGET ${lib} OR |
| (${lib} MATCHES "cxxabi(_static|_shared)?" AND HAVE_LIBCXXABI) OR |
| (${lib} MATCHES "unwind(_static|_shared)?" AND HAVE_LIBUNWIND)) |
| list(APPEND LIBCXX_INTERFACE_LIBRARY_NAMES "$<TARGET_PROPERTY:${lib},OUTPUT_NAME>") |
| else() |
| list(APPEND LIBCXX_INTERFACE_LIBRARY_NAMES "${lib}") |
| endif() |
| endforeach() |
| add_custom_command(TARGET cxx_shared POST_BUILD |
| COMMAND |
| ${PYTHON_EXECUTABLE} ${LIBCXX_SOURCE_DIR}/utils/gen_link_script.py |
| ARGS |
| --input "$<TARGET_SONAME_FILE:cxx_shared>" |
| --output "$<TARGET_LINKER_FILE:cxx_shared>" |
| ${LIBCXX_INTERFACE_LIBRARY_NAMES} |
| WORKING_DIRECTORY ${LIBCXX_BUILD_DIR} |
| ) |
| endif() |
| |
| list(APPEND LIBCXX_BUILD_TARGETS "cxx_shared") |
| if (LIBCXX_INSTALL_SHARED_LIBRARY) |
| list(APPEND LIBCXX_INSTALL_TARGETS "cxx_shared") |
| endif() |
| if(WIN32 AND NOT MINGW AND NOT "${CMAKE_HOST_SYSTEM_NAME}" STREQUAL "Windows") |
| # Since we most likely do not have a mt.exe replacement, disable the |
| # manifest bundling. This allows a normal cmake invocation to pass which |
| # will attempt to use the manifest tool to generate the bundled manifest |
| set_target_properties(cxx_shared PROPERTIES |
| APPEND_STRING PROPERTY LINK_FLAGS " /MANIFEST:NO") |
| endif() |
| endif() |
| |
| # Build the static library. |
| if (LIBCXX_ENABLE_STATIC) |
| add_library(cxx_static STATIC ${exclude_from_all} ${LIBCXX_SOURCES} ${LIBCXX_HEADERS}) |
| cxx_link_system_libraries(cxx_static) |
| target_link_libraries(cxx_static PRIVATE ${LIBCXX_LIBRARIES}) |
| set(CMAKE_STATIC_LIBRARY_PREFIX "lib") |
| set_target_properties(cxx_static |
| PROPERTIES |
| COMPILE_FLAGS "${LIBCXX_COMPILE_FLAGS}" |
| LINK_FLAGS "${LIBCXX_LINK_FLAGS}" |
| OUTPUT_NAME "c++" |
| ) |
| cxx_set_common_defines(cxx_static) |
| |
| if (LIBCXX_HERMETIC_STATIC_LIBRARY) |
| append_flags_if_supported(CXX_STATIC_LIBRARY_FLAGS -fvisibility=hidden) |
| append_flags_if_supported(CXX_STATIC_LIBRARY_FLAGS -fvisibility-global-new-delete-hidden) |
| target_compile_options(cxx_static PRIVATE ${CXX_STATIC_LIBRARY_FLAGS}) |
| target_compile_definitions(cxx_static PRIVATE _LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) |
| endif() |
| |
| list(APPEND LIBCXX_BUILD_TARGETS "cxx_static") |
| if (LIBCXX_INSTALL_STATIC_LIBRARY) |
| list(APPEND LIBCXX_INSTALL_TARGETS "cxx_static") |
| endif() |
| # Attempt to merge the libc++.a archive and the ABI library archive into one. |
| if (LIBCXX_STATICALLY_LINK_ABI_IN_STATIC_LIBRARY) |
| set(MERGE_ARCHIVES_SEARCH_PATHS "") |
| if (LIBCXX_CXX_ABI_LIBRARY_PATH) |
| set(MERGE_ARCHIVES_SEARCH_PATHS "-L${LIBCXX_CXX_ABI_LIBRARY_PATH}") |
| endif() |
| if (TARGET "${LIBCXX_CXX_STATIC_ABI_LIBRARY}" OR HAVE_LIBCXXABI) |
| set(MERGE_ARCHIVES_ABI_TARGET "$<TARGET_LINKER_FILE:${LIBCXX_CXX_STATIC_ABI_LIBRARY}>") |
| else() |
| set(MERGE_ARCHIVES_ABI_TARGET |
| "${CMAKE_STATIC_LIBRARY_PREFIX}${LIBCXX_CXX_STATIC_ABI_LIBRARY}${CMAKE_STATIC_LIBRARY_SUFFIX}") |
| endif() |
| add_custom_command(TARGET cxx_static POST_BUILD |
| COMMAND |
| ${PYTHON_EXECUTABLE} ${LIBCXX_SOURCE_DIR}/utils/merge_archives.py |
| ARGS |
| -o $<TARGET_LINKER_FILE:cxx_static> |
| --ar "${CMAKE_AR}" |
| "$<TARGET_LINKER_FILE:cxx_static>" |
| "${MERGE_ARCHIVES_ABI_TARGET}" |
| "${MERGE_ARCHIVES_SEARCH_PATHS}" |
| WORKING_DIRECTORY ${LIBCXX_BUILD_DIR} |
| ) |
| endif() |
| endif() |
| |
| # Add a meta-target for both libraries. |
| add_custom_target(cxx DEPENDS cxx-headers ${LIBCXX_BUILD_TARGETS}) |
| |
| if (LIBCXX_ENABLE_EXPERIMENTAL_LIBRARY) |
| file(GLOB LIBCXX_EXPERIMENTAL_SOURCES ../src/experimental/*.cpp) |
| add_library(cxx_experimental STATIC ${LIBCXX_EXPERIMENTAL_SOURCES}) |
| if (LIBCXX_ENABLE_SHARED) |
| target_link_libraries(cxx_experimental cxx_shared) |
| else() |
| target_link_libraries(cxx_experimental cxx_static) |
| endif() |
| |
| set(experimental_flags "${LIBCXX_COMPILE_FLAGS}") |
| check_flag_supported(-std=c++14) |
| if (NOT MSVC AND LIBCXX_SUPPORTS_STD_EQ_CXX14_FLAG) |
| string(REPLACE "-std=c++11" "-std=c++14" experimental_flags "${LIBCXX_COMPILE_FLAGS}") |
| endif() |
| set_target_properties(cxx_experimental |
| PROPERTIES |
| COMPILE_FLAGS "${experimental_flags}" |
| OUTPUT_NAME "c++experimental" |
| ) |
| endif() |
| |
| if (LIBCXX_BUILD_EXTERNAL_THREAD_LIBRARY) |
| file(GLOB LIBCXX_EXTERNAL_THREADING_SUPPORT_SOURCES ../test/support/external_threads.cpp) |
| |
| if (LIBCXX_ENABLE_SHARED) |
| add_library(cxx_external_threads SHARED ${LIBCXX_EXTERNAL_THREADING_SUPPORT_SOURCES}) |
| else() |
| add_library(cxx_external_threads STATIC ${LIBCXX_EXTERNAL_THREADING_SUPPORT_SOURCES}) |
| endif() |
| |
| set_target_properties(cxx_external_threads |
| PROPERTIES |
| LINK_FLAGS "${LIBCXX_LINK_FLAGS}" |
| COMPILE_FLAGS "${LIBCXX_COMPILE_FLAGS}" |
| OUTPUT_NAME "c++external_threads" |
| ) |
| endif() |
| |
| if (LIBCXX_INSTALL_LIBRARY) |
| if (LIBCXX_INSTALL_EXPERIMENTAL_LIBRARY) |
| set(experimental_lib cxx_experimental) |
| endif() |
| install(TARGETS ${LIBCXX_INSTALL_TARGETS} ${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_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} |
| ${header_install_target} |
| COMMAND "${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} |
| ${header_install_target} |
| COMMAND "${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() |