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linux-packaging-mono/external/llvm-project/libcxx/lib/CMakeLists.txt
Xamarin Public Jenkins (auto-signing) 468663ddbb Imported Upstream version 6.10.0.49 
Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b
2020-01-16 16:38:04 +00:00

402 lines
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CMake
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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()
# 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 (LIBCXX_CXX_ABI_LIBNAME STREQUAL "libcxxabi" OR
LIBCXX_CXX_ABI_LIBNAME STREQUAL "default"))
set(LIBCXX_OSX_REEXPORT_SYSTEM_ABI_LIBRARY ON)
endif()
if (LIBCXX_ENABLE_STATIC_ABI_LIBRARY)
add_library_flags("-Wl,--whole-archive" "-Wl,-Bstatic")
add_library_flags("${LIBCXX_CXX_ABI_LIBRARY}")
add_library_flags("-Wl,-Bdynamic" "-Wl,--no-whole-archive")
elseif (LIBCXX_OSX_REEXPORT_SYSTEM_ABI_LIBRARY)
add_library_flags("${LIBCXX_CXX_ABI_LIBRARY}")
else ()
add_interface_library("${LIBCXX_CXX_ABI_LIBRARY}")
endif()
if (APPLE AND LLVM_USE_SANITIZER)
if (("${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,${LIBDIR}")
endif()
endif()
# Generate private library list.
add_library_flags_if(LIBCXX_HAS_PTHREAD_LIB pthread)
add_library_flags_if(LIBCXX_HAS_C_LIB c)
add_library_flags_if(LIBCXX_HAS_M_LIB m)
add_library_flags_if(LIBCXX_HAS_RT_LIB rt)
if (LIBCXX_USE_COMPILER_RT)
find_compiler_rt_library(builtins LIBCXX_BUILTINS_LIBRARY)
add_library_flags_if(LIBCXX_BUILTINS_LIBRARY "${LIBCXX_BUILTINS_LIBRARY}")
else()
add_library_flags_if(LIBCXX_HAS_GCC_S_LIB gcc_s)
endif()
add_library_flags_if(LIBCXX_HAVE_CXX_ATOMICS_WITH_LIB atomic)
add_library_flags_if(MINGW "${MINGW_LIBRARIES}")
# Add the unwinder library.
if (LIBCXXABI_USE_LLVM_UNWINDER)
if (NOT LIBCXXABI_ENABLE_STATIC_UNWINDER AND (TARGET unwind_shared OR HAVE_LIBUNWIND))
add_interface_library(unwind_shared)
elseif (LIBCXXABI_ENABLE_STATIC_UNWINDER AND (TARGET unwind_static OR HAVE_LIBUNWIND))
add_interface_library(unwind_static)
else()
add_interface_library(unwind)
endif()
endif()
# Setup flags.
if (NOT WIN32)
add_flags_if_supported(-fPIC)
endif()
add_link_flags_if_supported(-nodefaultlibs)
if (LIBCXX_TARGETING_MSVC)
if (LIBCXX_DEBUG_BUILD)
set(LIB_SUFFIX "d")
else()
set(LIB_SUFFIX "")
endif()
add_compile_flags(/Zl)
add_link_flags(/nodefaultlib)
add_library_flags(ucrt${LIB_SUFFIX}) # Universal C runtime
add_library_flags(vcruntime${LIB_SUFFIX}) # C++ runtime
add_library_flags(msvcrt${LIB_SUFFIX}) # C runtime startup files
add_library_flags(msvcprt${LIB_SUFFIX}) # C++ standard library. Required for exception_ptr internals.
# Required for standards-complaint wide character formatting functions
# (e.g. `printfw`/`scanfw`)
add_library_flags(iso_stdio_wide_specifiers)
endif()
if (LIBCXX_OSX_REEXPORT_SYSTEM_ABI_LIBRARY)
if (NOT DEFINED LIBCXX_LIBCPPABI_VERSION)
set(LIBCXX_LIBCPPABI_VERSION "2") # Default value
execute_process(
COMMAND xcrun --show-sdk-version
OUTPUT_VARIABLE sdk_ver
RESULT_VARIABLE res
OUTPUT_STRIP_TRAILING_WHITESPACE)
if (res EQUAL 0)
message(STATUS "Found SDK version ${sdk_ver}")
string(REPLACE "10." "" sdk_ver "${sdk_ver}")
if (sdk_ver LESS 9)
set(LIBCXX_LIBCPPABI_VERSION "")
else()
set(LIBCXX_LIBCPPABI_VERSION "2")
endif()
endif()
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,${CMAKE_CURRENT_SOURCE_DIR}/libc++unexp.exp"
"/usr/lib/libSystem.B.dylib")
else()
if (DEFINED CMAKE_OSX_SYSROOT AND NOT CMAKE_OSX_SYSROOT STREQUAL "")
list(FIND CMAKE_OSX_ARCHITECTURES "armv7" OSX_HAS_ARMV7)
if (NOT OSX_HAS_ARMV7 EQUAL -1)
set(OSX_RE_EXPORT_LINE
"${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")
if (NOT LIBCXX_ENABLE_NEW_DELETE_DEFINITIONS)
add_link_flags("/usr/lib/libc++abi.dylib -Wl,-reexported_symbols_list,${CMAKE_CURRENT_SOURCE_DIR}/libc++abi-new-delete.exp")
endif()
endif()
add_link_flags(
"-compatibility_version 1"
"-install_name /usr/lib/libc++.1.dylib"
"-Wl,-unexported_symbols_list,${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()
split_list(LIBCXX_COMPILE_FLAGS)
split_list(LIBCXX_LINK_FLAGS)
# Add an object library that contains the compiled source files.
add_library(cxx_objects OBJECT ${exclude_from_all} ${LIBCXX_SOURCES} ${LIBCXX_HEADERS})
if(WIN32 AND NOT MINGW)
target_compile_definitions(cxx_objects
PRIVATE
# Ignore the -MSC_VER mismatch, as we may build
# with a different compatibility version.
_ALLOW_MSC_VER_MISMATCH
# Don't check the msvcprt iterator debug levels
# as we will define the iterator types; libc++
# uses a different macro to identify the debug
# level.
_ALLOW_ITERATOR_DEBUG_LEVEL_MISMATCH
# We are building the c++ runtime, don't pull in
# msvcprt.
_CRTBLD
# Don't warn on the use of "deprecated"
# "insecure" functions which are standards
# specified.
_CRT_SECURE_NO_WARNINGS
# Use the ISO conforming behaviour for conversion
# in printf, scanf.
_CRT_STDIO_ISO_WIDE_SPECIFIERS)
endif()
set_target_properties(cxx_objects
PROPERTIES
COMPILE_FLAGS "${LIBCXX_COMPILE_FLAGS}"
)
set(LIBCXX_TARGETS)
# Build the shared library.
if (LIBCXX_ENABLE_SHARED)
add_library(cxx_shared SHARED $<TARGET_OBJECTS:cxx_objects>)
target_link_libraries(cxx_shared ${LIBCXX_LIBRARIES})
set_target_properties(cxx_shared
PROPERTIES
LINK_FLAGS "${LIBCXX_LINK_FLAGS}"
OUTPUT_NAME "c++"
VERSION "${LIBCXX_ABI_VERSION}.0"
SOVERSION "${LIBCXX_ABI_VERSION}"
)
list(APPEND LIBCXX_TARGETS "cxx_shared")
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 $<TARGET_OBJECTS:cxx_objects>)
target_link_libraries(cxx_static ${LIBCXX_LIBRARIES})
set(CMAKE_STATIC_LIBRARY_PREFIX "lib")
set_target_properties(cxx_static
PROPERTIES
LINK_FLAGS "${LIBCXX_LINK_FLAGS}"
OUTPUT_NAME "c++"
)
list(APPEND LIBCXX_TARGETS "cxx_static")
# Attempt to merge the libc++.a archive and the ABI library archive into one.
if (LIBCXX_ENABLE_STATIC_ABI_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 ${LIBCXX_CXX_ABI_LIBRARY}) OR
(${LIBCXX_CXX_ABI_LIBRARY} MATCHES "cxxabi(_static|_shared)?" AND HAVE_LIBCXXABI))
set(MERGE_ARCHIVES_ABI_TARGET "$<TARGET_LINKER_FILE:${LIBCXX_CXX_ABI_LIBRARY}>")
else()
set(MERGE_ARCHIVES_ABI_TARGET
"${CMAKE_STATIC_LIBRARY_PREFIX}${LIBCXX_CXX_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 ${LIBCXX_TARGETS})
if (LIBCXX_ENABLE_EXPERIMENTAL_LIBRARY)
file(GLOB LIBCXX_EXPERIMENTAL_SOURCES ../src/experimental/*.cpp)
if (LIBCXX_ENABLE_FILESYSTEM)
file(GLOB LIBCXX_FILESYSTEM_SOURCES ../src/experimental/filesystem/*.cpp)
endif()
add_library(cxx_experimental STATIC ${LIBCXX_EXPERIMENTAL_SOURCES} ${LIBCXX_FILESYSTEM_SOURCES})
if (LIBCXX_ENABLE_SHARED)
target_link_libraries(cxx_experimental cxx_shared)
else()
target_link_libraries(cxx_experimental cxx_static)
endif()
set(experimental_flags "${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()
# Generate a linker script inplace of a libc++.so symlink. Rerun this command
# after cxx builds.
if (LIBCXX_ENABLE_SHARED AND 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()
#split_list(LIBCXX_INTERFACE_LIBRARY_NAMES)
# Generate a linker script inplace of a libc++.so symlink. Rerun this command
# after cxx builds.
add_custom_command(TARGET cxx_shared POST_BUILD
COMMAND
${PYTHON_EXECUTABLE} ${LIBCXX_SOURCE_DIR}/utils/gen_link_script.py
ARGS
"$<TARGET_LINKER_FILE:cxx_shared>"
${LIBCXX_INTERFACE_LIBRARY_NAMES}
WORKING_DIRECTORY ${LIBCXX_BUILD_DIR}
)
endif()
if (LIBCXX_INSTALL_LIBRARY)
if (LIBCXX_INSTALL_EXPERIMENTAL_LIBRARY)
set(experimental_lib cxx_experimental)
endif()
install(TARGETS ${LIBCXX_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()
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