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set(LIBCXX_LIB_CMAKEFILES_DIR "${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}" PARENT_SCOPE)
# Get sources
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/*.c)
list(APPEND LIBCXX_SOURCES ${LIBCXX_SOLARIS_SOURCES})
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_ENABLE_SHARED)
add_library(cxx SHARED ${exclude_from_all} ${LIBCXX_SOURCES} ${LIBCXX_HEADERS})
else()
add_library(cxx STATIC ${exclude_from_all} ${LIBCXX_SOURCES} ${LIBCXX_HEADERS})
endif()
if (DEFINED LIBCXX_CXX_ABI_DEPS)
add_dependencies(cxx LIBCXX_CXX_ABI_DEPS)
endif()
#if LIBCXX_CXX_ABI_LIBRARY_PATH is defined we want to add it to the search path.
add_link_flags_if(LIBCXX_CXX_ABI_LIBRARY_PATH "-L${LIBCXX_CXX_ABI_LIBRARY_PATH}")
add_library_flags_if(LIBCXX_COVERAGE_LIBRARY "${LIBCXX_COVERAGE_LIBRARY}")
add_library_flags_if(LIBCXX_ENABLE_STATIC_ABI_LIBRARY "-Wl,--whole-archive" "-Wl,-Bstatic")
add_library_flags("${LIBCXX_CXX_ABI_LIBRARY}")
add_library_flags_if(LIBCXX_ENABLE_STATIC_ABI_LIBRARY "-Wl,-Bdynamic" "-Wl,--no-whole-archive")
if (APPLE AND LLVM_USE_SANITIZER)
if ("${LLVM_USE_SANITIZER}" STREQUAL "Address")
set(LIBFILE "libclang_rt.asan_osx_dynamic.dylib")
elseif("${LLVM_USE_SANITIZER}" STREQUAL "Undefined")
set(LIBFILE "libclang_rt.ubsan_osx_dynamic.dylib")
else()
message(WARNING "LLVM_USE_SANITIZER=${LLVM_USE_SANITIZER} is not supported on OS X")
endif()
if (LIBFILE)
execute_process(COMMAND ${CMAKE_CXX_COMPILER} -print-file-name=lib OUTPUT_VARIABLE LIBDIR RESULT_VARIABLE Result)
if (NOT ${Result} EQUAL "0")
message(FATAL "Failed to find library resource directory")
endif()
string(STRIP "${LIBDIR}" LIBDIR)
set(LIBDIR "${LIBDIR}/darwin/")
if (NOT IS_DIRECTORY "${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,${LIBDIR}")
endif()
endif()
# Generate library list.
add_library_flags_if(LIBCXX_HAS_PTHREAD_LIB pthread)
add_library_flags_if(LIBCXX_HAS_C_LIB c)
add_library_flags_if(LIBCXX_HAS_M_LIB m)
add_library_flags_if(LIBCXX_HAS_RT_LIB rt)
add_library_flags_if(LIBCXX_HAS_GCC_S_LIB gcc_s)
add_library_flags_if(LIBCXX_HAS_ATOMIC_LIB atomic)
# Setup flags.
add_flags_if_supported(-fPIC)
add_link_flags_if_supported(-nodefaultlibs)
if ( APPLE AND (LIBCXX_CXX_ABI_LIBNAME STREQUAL "libcxxabi" OR
LIBCXX_CXX_ABI_LIBNAME STREQUAL "none"))
if (NOT DEFINED LIBCXX_LIBCPPABI_VERSION)
set(LIBCXX_LIBCPPABI_VERSION "2")
endif()
if ( CMAKE_OSX_DEPLOYMENT_TARGET STREQUAL "10.6" )
add_definitions(-D__STRICT_ANSI__)
add_link_flags(
"-compatibility_version 1"
"-current_version 1"
"-install_name /usr/lib/libc++.1.dylib"
"-Wl,-reexport_library,/usr/lib/libc++abi.dylib"
"-Wl,-unexported_symbols_list,${CMAKE_CURRENT_SOURCE_DIR}/libc++unexp.exp"
"/usr/lib/libSystem.B.dylib")
else()
if ( ${CMAKE_OSX_SYSROOT} )
list(FIND ${CMAKE_OSX_ARCHITECTURES} "armv7" OSX_HAS_ARMV7)
if (OSX_HAS_ARMV7)
set(OSX_RE_EXPORT_LINE
"${CMAKE_OSX_SYSROOT}/usr/lib/libc++abi.dylib"
"-Wl,-reexported_symbols_list,${CMAKE_CURRENT_SOURCE_DIR}/libc++sjlj-abi.exp")
else()
set(OSX_RE_EXPORT_LINE
"-Wl,-reexport_library,${CMAKE_OSX_SYSROOT}/usr/lib/libc++abi.dylib")
endif()
else()
set(OSX_RE_EXPORT_LINE "/usr/lib/libc++abi.dylib -Wl,-reexported_symbols_list,${CMAKE_CURRENT_SOURCE_DIR}/libc++abi${LIBCXX_LIBCPPABI_VERSION}.exp")
endif()
add_link_flags(
"-compatibility_version 1"
"-install_name /usr/lib/libc++.1.dylib"
"-Wl,-unexported_symbols_list,${CMAKE_CURRENT_SOURCE_DIR}/libc++unexp.exp"
"${OSX_RE_EXPORT_LINE}"
"-Wl,-force_symbols_not_weak_list,${CMAKE_CURRENT_SOURCE_DIR}/notweak.exp"
"-Wl,-force_symbols_weak_list,${CMAKE_CURRENT_SOURCE_DIR}/weak.exp")
endif()
endif()
target_link_libraries(cxx ${LIBCXX_LIBRARIES})
split_list(LIBCXX_COMPILE_FLAGS)
split_list(LIBCXX_LINK_FLAGS)
set_target_properties(cxx
PROPERTIES
COMPILE_FLAGS "${LIBCXX_COMPILE_FLAGS}"
LINK_FLAGS "${LIBCXX_LINK_FLAGS}"
OUTPUT_NAME "c++"
VERSION "${LIBCXX_ABI_VERSION}.0"
SOVERSION "${LIBCXX_ABI_VERSION}"
)
# Generate a linker script inplace of a libc++.so symlink. Rerun this command
# after cxx builds.
if (LIBCXX_ENABLE_ABI_LINKER_SCRIPT)
# Get the name of the ABI library and handle the case where CXXABI_LIBNAME
# is a target name and not a library. Ex cxxabi_shared.
set(SCRIPT_ABI_LIBNAME "${LIBCXX_CXX_ABI_LIBRARY}")
if (SCRIPT_ABI_LIBNAME STREQUAL "cxxabi_shared")
set(SCRIPT_ABI_LIBNAME "c++abi")
endif()
# Generate a linker script inplace of a libc++.so symlink. Rerun this command
# after cxx builds.
add_custom_command(TARGET cxx POST_BUILD
COMMAND
${PYTHON_EXECUTABLE} ${LIBCXX_SOURCE_DIR}/utils/gen_link_script/gen_link_script.py
ARGS
"$<TARGET_LINKER_FILE:cxx>"
"${SCRIPT_ABI_LIBNAME}"
WORKING_DIRECTORY ${LIBCXX_BUILD_DIR}
)
endif()
if (LIBCXX_INSTALL_LIBRARY)
install(TARGETS cxx
LIBRARY DESTINATION lib${LIBCXX_LIBDIR_SUFFIX} COMPONENT libcxx
ARCHIVE DESTINATION lib${LIBCXX_LIBDIR_SUFFIX} COMPONENT libcxx
)
# 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_ABI_LINKER_SCRIPT)
# Replace the libc++ filename with $<TARGET_LINKER_FILE:cxx>
# after we required CMake 3.0.
install(FILES "${LIBCXX_LIBRARY_DIR}/libc++${CMAKE_SHARED_LIBRARY_SUFFIX}"
DESTINATION lib${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(deps DEPENDS cxx)
endif()
if(LIBCXX_INSTALL_HEADERS)
set(deps DEPENDS install-libcxx-headers)
endif()
add_custom_target(install-libcxx
${deps}
COMMAND "${CMAKE_COMMAND}"
-DCMAKE_INSTALL_COMPONENT=libcxx
-P "${LIBCXX_BINARY_DIR}/cmake_install.cmake")
endif()
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