include(ExternalProject) include(CompilerRTUtils) function(set_target_output_directories target output_dir) # For RUNTIME_OUTPUT_DIRECTORY variable, Multi-configuration generators # append a per-configuration subdirectory to the specified directory. # To avoid the appended folder, the configuration specific variable must be # set 'RUNTIME_OUTPUT_DIRECTORY_${CONF}': # RUNTIME_OUTPUT_DIRECTORY_DEBUG, RUNTIME_OUTPUT_DIRECTORY_RELEASE, ... if(CMAKE_CONFIGURATION_TYPES) foreach(build_mode ${CMAKE_CONFIGURATION_TYPES}) string(TOUPPER "${build_mode}" CONFIG_SUFFIX) set_target_properties("${target}" PROPERTIES "ARCHIVE_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${output_dir} "LIBRARY_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${output_dir} "RUNTIME_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${output_dir}) endforeach() else() set_target_properties("${target}" PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ${output_dir} LIBRARY_OUTPUT_DIRECTORY ${output_dir} RUNTIME_OUTPUT_DIRECTORY ${output_dir}) endif() endfunction() # Tries to add an "object library" target for a given list of OSs and/or # architectures with name "." for non-Darwin platforms if # architecture can be targeted, and "." for Darwin platforms. # add_compiler_rt_object_libraries( # OS # ARCHS # SOURCES # CFLAGS # DEFS ) function(add_compiler_rt_object_libraries name) cmake_parse_arguments(LIB "" "" "OS;ARCHS;SOURCES;CFLAGS;DEFS" ${ARGN}) set(libnames) if(APPLE) foreach(os ${LIB_OS}) set(libname "${name}.${os}") set(libnames ${libnames} ${libname}) set(extra_cflags_${libname} ${DARWIN_${os}_CFLAGS}) list_intersect(LIB_ARCHS_${libname} DARWIN_${os}_ARCHS LIB_ARCHS) endforeach() else() foreach(arch ${LIB_ARCHS}) set(libname "${name}.${arch}") set(libnames ${libnames} ${libname}) set(extra_cflags_${libname} ${TARGET_${arch}_CFLAGS}) if(NOT CAN_TARGET_${arch}) message(FATAL_ERROR "Architecture ${arch} can't be targeted") return() endif() endforeach() endif() foreach(libname ${libnames}) add_library(${libname} OBJECT ${LIB_SOURCES}) set_target_compile_flags(${libname} ${CMAKE_CXX_FLAGS} ${extra_cflags_${libname}} ${LIB_CFLAGS}) set_property(TARGET ${libname} APPEND PROPERTY COMPILE_DEFINITIONS ${LIB_DEFS}) set_target_properties(${libname} PROPERTIES FOLDER "Compiler-RT Libraries") if(APPLE) set_target_properties(${libname} PROPERTIES OSX_ARCHITECTURES "${LIB_ARCHS_${libname}}") endif() endforeach() endfunction() # Takes a list of object library targets, and a suffix and appends the proper # TARGET_OBJECTS string to the output variable. # format_object_libs( ...) macro(format_object_libs output suffix) foreach(lib ${ARGN}) list(APPEND ${output} $) endforeach() endmacro() # Adds static or shared runtime for a list of architectures and operating # systems and puts it in the proper directory in the build and install trees. # add_compiler_rt_runtime( # {STATIC|SHARED} # ARCHS # OS # SOURCES # CFLAGS # LINKFLAGS # DEFS # LINK_LIBS (only for shared library) # OBJECT_LIBS # PARENT_TARGET ) function(add_compiler_rt_runtime name type) if(NOT type MATCHES "^(STATIC|SHARED)$") message(FATAL_ERROR "type argument must be STATIC or SHARED") return() endif() cmake_parse_arguments(LIB "" "PARENT_TARGET" "OS;ARCHS;SOURCES;CFLAGS;LINKFLAGS;DEFS;LINK_LIBS;OBJECT_LIBS" ${ARGN}) set(libnames) if(APPLE) foreach(os ${LIB_OS}) if(type STREQUAL "STATIC") set(libname "${name}_${os}") else() set(libname "${name}_${os}_dynamic") set(extra_linkflags_${libname} ${DARWIN_${os}_LINKFLAGS} ${LIB_LINKFLAGS}) endif() list_intersect(LIB_ARCHS_${libname} DARWIN_${os}_ARCHS LIB_ARCHS) if(LIB_ARCHS_${libname}) list(APPEND libnames ${libname}) set(extra_cflags_${libname} ${DARWIN_${os}_CFLAGS} ${LIB_CFLAGS}) set(output_name_${libname} ${libname}${COMPILER_RT_OS_SUFFIX}) set(sources_${libname} ${LIB_SOURCES}) format_object_libs(sources_${libname} ${os} ${LIB_OBJECT_LIBS}) endif() endforeach() else() foreach(arch ${LIB_ARCHS}) if(NOT CAN_TARGET_${arch}) message(FATAL_ERROR "Architecture ${arch} can't be targeted") return() endif() if(type STREQUAL "STATIC") set(libname "${name}-${arch}") set(output_name_${libname} ${libname}${COMPILER_RT_OS_SUFFIX}) else() set(libname "${name}-dynamic-${arch}") set(extra_cflags_${libname} ${TARGET_${arch}_CFLAGS} ${LIB_CFLAGS}) set(extra_linkflags_${libname} ${TARGET_${arch}_LINKFLAGS} ${LIB_LINKFLAGS}) if(WIN32) set(output_name_${libname} ${name}_dynamic-${arch}${COMPILER_RT_OS_SUFFIX}) else() set(output_name_${libname} ${name}-${arch}${COMPILER_RT_OS_SUFFIX}) endif() endif() set(sources_${libname} ${LIB_SOURCES}) format_object_libs(sources_${libname} ${arch} ${LIB_OBJECT_LIBS}) set(libnames ${libnames} ${libname}) set(extra_cflags_${libname} ${TARGET_${arch}_CFLAGS} ${LIB_CFLAGS}) endforeach() endif() if(NOT libnames) return() endif() if(LIB_PARENT_TARGET) # If the parent targets aren't created we should create them if(NOT TARGET ${LIB_PARENT_TARGET}) add_custom_target(${LIB_PARENT_TARGET}) endif() if(NOT TARGET install-${LIB_PARENT_TARGET}) # The parent install target specifies the parent component to scrape up # anything not installed by the individual install targets, and to handle # installation when running the multi-configuration generators. add_custom_target(install-${LIB_PARENT_TARGET} DEPENDS ${LIB_PARENT_TARGET} COMMAND "${CMAKE_COMMAND}" -DCMAKE_INSTALL_COMPONENT=${LIB_PARENT_TARGET} -P "${CMAKE_BINARY_DIR}/cmake_install.cmake") set_target_properties(install-${LIB_PARENT_TARGET} PROPERTIES FOLDER "Compiler-RT Misc") endif() endif() foreach(libname ${libnames}) # If you are using a multi-configuration generator we don't generate # per-library install rules, so we fall back to the parent target COMPONENT if(CMAKE_CONFIGURATION_TYPES AND LIB_PARENT_TARGET) set(COMPONENT_OPTION COMPONENT ${LIB_PARENT_TARGET}) else() set(COMPONENT_OPTION COMPONENT ${libname}) endif() add_library(${libname} ${type} ${sources_${libname}}) set_target_compile_flags(${libname} ${extra_cflags_${libname}}) set_target_link_flags(${libname} ${extra_linkflags_${libname}}) set_property(TARGET ${libname} APPEND PROPERTY COMPILE_DEFINITIONS ${LIB_DEFS}) set_target_output_directories(${libname} ${COMPILER_RT_LIBRARY_OUTPUT_DIR}) set_target_properties(${libname} PROPERTIES OUTPUT_NAME ${output_name_${libname}}) set_target_properties(${libname} PROPERTIES FOLDER "Compiler-RT Runtime") if(LIB_LINK_LIBS AND ${type} STREQUAL "SHARED") target_link_libraries(${libname} ${LIB_LINK_LIBS}) endif() install(TARGETS ${libname} ARCHIVE DESTINATION ${COMPILER_RT_LIBRARY_INSTALL_DIR} ${COMPONENT_OPTION} LIBRARY DESTINATION ${COMPILER_RT_LIBRARY_INSTALL_DIR} ${COMPONENT_OPTION} RUNTIME DESTINATION ${COMPILER_RT_LIBRARY_INSTALL_DIR} ${COMPONENT_OPTION}) # We only want to generate per-library install targets if you aren't using # an IDE because the extra targets get cluttered in IDEs. if(NOT CMAKE_CONFIGURATION_TYPES) add_custom_target(install-${libname} DEPENDS ${libname} COMMAND "${CMAKE_COMMAND}" -DCMAKE_INSTALL_COMPONENT=${libname} -P "${CMAKE_BINARY_DIR}/cmake_install.cmake") # If you have a parent target specified, we bind the new install target # to the parent install target. if(LIB_PARENT_TARGET) add_dependencies(install-${LIB_PARENT_TARGET} install-${libname}) endif() endif() if(APPLE) set_target_properties(${libname} PROPERTIES OSX_ARCHITECTURES "${LIB_ARCHS_${libname}}") endif() if(type STREQUAL "SHARED") rt_externalize_debuginfo(${libname}) endif() endforeach() if(LIB_PARENT_TARGET) add_dependencies(${LIB_PARENT_TARGET} ${libnames}) endif() endfunction() # when cross compiling, COMPILER_RT_TEST_COMPILER_CFLAGS help # in compilation and linking of unittests. string(REPLACE " " ";" COMPILER_RT_UNITTEST_CFLAGS "${COMPILER_RT_TEST_COMPILER_CFLAGS}") set(COMPILER_RT_UNITTEST_LINKFLAGS ${COMPILER_RT_UNITTEST_CFLAGS}) # Unittests support. set(COMPILER_RT_GTEST_PATH ${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest) set(COMPILER_RT_GTEST_SOURCE ${COMPILER_RT_GTEST_PATH}/src/gtest-all.cc) set(COMPILER_RT_GTEST_CFLAGS -DGTEST_NO_LLVM_RAW_OSTREAM=1 -DGTEST_HAS_RTTI=0 -I${COMPILER_RT_GTEST_PATH}/include -I${COMPILER_RT_GTEST_PATH} ) append_list_if(COMPILER_RT_DEBUG -DSANITIZER_DEBUG=1 COMPILER_RT_UNITTEST_CFLAGS) if(MSVC) # clang doesn't support exceptions on Windows yet. list(APPEND COMPILER_RT_UNITTEST_CFLAGS -D_HAS_EXCEPTIONS=0) # We should teach clang to understand "#pragma intrinsic", see PR19898. list(APPEND COMPILER_RT_UNITTEST_CFLAGS -Wno-undefined-inline) # Clang doesn't support SEH on Windows yet. list(APPEND COMPILER_RT_GTEST_CFLAGS -DGTEST_HAS_SEH=0) # gtest use a lot of stuff marked as deprecated on Windows. list(APPEND COMPILER_RT_GTEST_CFLAGS -Wno-deprecated-declarations) # Visual Studio 2012 only supports up to 8 template parameters in # std::tr1::tuple by default, but gtest requires 10 if(MSVC_VERSION EQUAL 1700) list(APPEND COMPILER_RT_GTEST_CFLAGS -D_VARIADIC_MAX=10) endif() endif() # Link objects into a single executable with COMPILER_RT_TEST_COMPILER, # using specified link flags. Make executable a part of provided # test_suite. # add_compiler_rt_test( # SUBDIR # OBJECTS # DEPS # LINK_FLAGS ) macro(add_compiler_rt_test test_suite test_name) cmake_parse_arguments(TEST "" "SUBDIR" "OBJECTS;DEPS;LINK_FLAGS" "" ${ARGN}) set(output_bin ${CMAKE_CURRENT_BINARY_DIR}) if(TEST_SUBDIR) set(output_bin "${output_bin}/${TEST_SUBDIR}") endif() if(CMAKE_CONFIGURATION_TYPES) set(output_bin "${output_bin}/${CMAKE_CFG_INTDIR}") endif() set(output_bin "${output_bin}/${test_name}") if(MSVC) set(output_bin "${output_bin}.exe") endif() # Use host compiler in a standalone build, and just-built Clang otherwise. if(NOT COMPILER_RT_STANDALONE_BUILD) list(APPEND TEST_DEPS clang) endif() # If we're not on MSVC, include the linker flags from CMAKE but override them # with the provided link flags. This ensures that flags which are required to # link programs at all are included, but the changes needed for the test # trump. With MSVC we can't do that because CMake is set up to run link.exe # when linking, not the compiler. Here, we hack it to use the compiler # because we want to use -fsanitize flags. if(NOT MSVC) set(TEST_LINK_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${TEST_LINK_FLAGS}") separate_arguments(TEST_LINK_FLAGS) endif() add_custom_target(${test_name} COMMAND ${COMPILER_RT_TEST_COMPILER} ${TEST_OBJECTS} -o "${output_bin}" ${TEST_LINK_FLAGS} DEPENDS ${TEST_DEPS}) set_target_properties(${test_name} PROPERTIES FOLDER "Compiler-RT Tests") # Make the test suite depend on the binary. add_dependencies(${test_suite} ${test_name}) endmacro() macro(add_compiler_rt_resource_file target_name file_name component) set(src_file "${CMAKE_CURRENT_SOURCE_DIR}/${file_name}") set(dst_file "${COMPILER_RT_OUTPUT_DIR}/${file_name}") add_custom_command(OUTPUT ${dst_file} DEPENDS ${src_file} COMMAND ${CMAKE_COMMAND} -E copy_if_different ${src_file} ${dst_file} COMMENT "Copying ${file_name}...") add_custom_target(${target_name} DEPENDS ${dst_file}) # Install in Clang resource directory. install(FILES ${file_name} DESTINATION ${COMPILER_RT_INSTALL_PATH} COMPONENT ${component}) add_dependencies(${component} ${target_name}) set_target_properties(${target_name} PROPERTIES FOLDER "Compiler-RT Misc") endmacro() macro(add_compiler_rt_script name) set(dst ${COMPILER_RT_EXEC_OUTPUT_DIR}/${name}) set(src ${CMAKE_CURRENT_SOURCE_DIR}/${name}) add_custom_command(OUTPUT ${dst} DEPENDS ${src} COMMAND ${CMAKE_COMMAND} -E copy_if_different ${src} ${dst} COMMENT "Copying ${name}...") add_custom_target(${name} DEPENDS ${dst}) install(FILES ${dst} PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE DESTINATION ${COMPILER_RT_INSTALL_PATH}/bin) endmacro(add_compiler_rt_script src name) # Builds custom version of libc++ and installs it in . # Can be used to build sanitized versions of libc++ for running unit tests. # add_custom_libcxx( # DEPS # CFLAGS ) macro(add_custom_libcxx name prefix) if(NOT COMPILER_RT_HAS_LIBCXX_SOURCES) message(FATAL_ERROR "libcxx not found!") endif() cmake_parse_arguments(LIBCXX "" "" "DEPS;CFLAGS" ${ARGN}) foreach(flag ${LIBCXX_CFLAGS}) set(flagstr "${flagstr} ${flag}") endforeach() set(LIBCXX_CFLAGS ${flagstr}) if(NOT COMPILER_RT_STANDALONE_BUILD) list(APPEND LIBCXX_DEPS clang) endif() ExternalProject_Add(${name} PREFIX ${prefix} SOURCE_DIR ${COMPILER_RT_LIBCXX_PATH} CMAKE_ARGS -DCMAKE_MAKE_PROGRAM:STRING=${CMAKE_MAKE_PROGRAM} -DCMAKE_C_COMPILER=${COMPILER_RT_TEST_COMPILER} -DCMAKE_CXX_COMPILER=${COMPILER_RT_TEST_CXX_COMPILER} -DCMAKE_C_FLAGS=${LIBCXX_CFLAGS} -DCMAKE_CXX_FLAGS=${LIBCXX_CFLAGS} -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX:PATH= -DLLVM_PATH=${LLVM_MAIN_SRC_DIR} LOG_BUILD 1 LOG_CONFIGURE 1 LOG_INSTALL 1 ) set_target_properties(${name} PROPERTIES EXCLUDE_FROM_ALL TRUE) ExternalProject_Add_Step(${name} force-reconfigure DEPENDERS configure ALWAYS 1 ) ExternalProject_Add_Step(${name} clobber COMMAND ${CMAKE_COMMAND} -E remove_directory COMMAND ${CMAKE_COMMAND} -E make_directory COMMENT "Clobberring ${name} build directory..." DEPENDERS configure DEPENDS ${LIBCXX_DEPS} ) endmacro() function(rt_externalize_debuginfo name) if(NOT COMPILER_RT_EXTERNALIZE_DEBUGINFO) return() endif() if(NOT COMPILER_RT_EXTERNALIZE_DEBUGINFO_SKIP_STRIP) set(strip_command COMMAND xcrun strip -Sl $) endif() if(APPLE) if(CMAKE_CXX_FLAGS MATCHES "-flto" OR CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE} MATCHES "-flto") set(lto_object ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${name}-lto.o) set_property(TARGET ${name} APPEND_STRING PROPERTY LINK_FLAGS " -Wl,-object_path_lto -Wl,${lto_object}") endif() add_custom_command(TARGET ${name} POST_BUILD COMMAND xcrun dsymutil $ ${strip_command}) else() message(FATAL_ERROR "COMPILER_RT_EXTERNALIZE_DEBUGINFO isn't implemented for non-darwin platforms!") endif() endfunction()