| include(AddLLVM) |
| include(ExternalProject) |
| include(CompilerRTUtils) |
| |
| # Tries to add an "object library" target for a given list of OSs and/or |
| # architectures with name "<name>.<arch>" for non-Darwin platforms if |
| # architecture can be targeted, and "<name>.<os>" for Darwin platforms. |
| # add_compiler_rt_object_libraries(<name> |
| # OS <os names> |
| # ARCHS <architectures> |
| # SOURCES <source files> |
| # CFLAGS <compile flags> |
| # DEFS <compile definitions>) |
| 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_union(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 ${LIB_DEFS}) |
| if(APPLE) |
| set_target_properties(${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(<output> <suffix> ...) |
| macro(format_object_libs output suffix) |
| foreach(lib ${ARGN}) |
| list(APPEND ${output} $<TARGET_OBJECTS:${lib}.${suffix}>) |
| endforeach() |
| endmacro() |
| |
| # Adds static or shared runtime for a list of architectures and operating |
| # systems and puts it in the proper directory in the build and install trees. |
| # add_compiler_rt_runtime(<name> |
| # {STATIC|SHARED} |
| # ARCHS <architectures> |
| # OS <os list> |
| # SOURCES <source files> |
| # CFLAGS <compile flags> |
| # LINKFLAGS <linker flags> |
| # DEFS <compile definitions> |
| # LINK_LIBS <linked libraries> (only for shared library) |
| # OBJECT_LIBS <object libraries to use as sources> |
| # PARENT_TARGET <convenience parent target>) |
| function(add_compiler_rt_runtime name type) |
| if(NOT type MATCHES "^(STATIC|SHARED)$") |
| 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} ${LIB_LINKFLAGS}) |
| endif() |
| list_union(LIB_ARCHS_${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_linkflags_${libname} ${TARGET_${arch}_CFLAGS} ${LIB_CFLAGS} ${LIB_LINKFLAGS}) |
| if(WIN32) |
| set(output_name_${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) |
| set(COMPONENT_OPTION COMPONENT ${LIB_PARENT_TARGET}) |
| endif() |
| |
| foreach(libname ${libnames}) |
| add_library(${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 ${LIB_DEFS}) |
| set_target_properties(${libname} PROPERTIES |
| ARCHIVE_OUTPUT_DIRECTORY ${COMPILER_RT_LIBRARY_OUTPUT_DIR} |
| LIBRARY_OUTPUT_DIRECTORY ${COMPILER_RT_LIBRARY_OUTPUT_DIR} |
| RUNTIME_OUTPUT_DIRECTORY ${COMPILER_RT_LIBRARY_OUTPUT_DIR}) |
| set_target_properties(${libname} PROPERTIES |
| OUTPUT_NAME ${output_name_${libname}}) |
| 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} |
| ${COMPONENT_OPTION}) |
| if(APPLE) |
| set_target_properties(${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() |
| |
| set(COMPILER_RT_TEST_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_TEST_CFLAGS) |
| |
| if(MSVC) |
| # clang doesn't support exceptions on Windows yet. |
| list(APPEND COMPILER_RT_TEST_CFLAGS -D_HAS_EXCEPTIONS=0) |
| |
| # We should teach clang to understand "#pragma intrinsic", see PR19898. |
| list(APPEND COMPILER_RT_TEST_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(<test_suite> <test_name> |
| # SUBDIR <subdirectory for binary> |
| # OBJECTS <object files> |
| # DEPS <deps (e.g. runtime libs)> |
| # LINK_FLAGS <link flags>) |
| macro(add_compiler_rt_test test_suite test_name) |
| cmake_parse_arguments(TEST "" "SUBDIR" "OBJECTS;DEPS;LINK_FLAGS" "" ${ARGN}) |
| if(TEST_SUBDIR) |
| set(output_bin "${CMAKE_CURRENT_BINARY_DIR}/${TEST_SUBDIR}/${test_name}") |
| else() |
| set(output_bin "${CMAKE_CURRENT_BINARY_DIR}/${test_name}") |
| endif() |
| 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 ${TEST_DEPS}) |
| # Make the test suite depend on the binary. |
| add_dependencies(${test_suite} ${test_name}) |
| endmacro() |
| |
| macro(add_compiler_rt_resource_file target_name file_name) |
| set(src_file "${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}) |
| 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 <prefix>. |
| # Can be used to build sanitized versions of libc++ for running unit tests. |
| # add_custom_libcxx(<name> <prefix> |
| # DEPS <list of build deps> |
| # CFLAGS <list of compile flags>) |
| 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_COMPILER} |
| -DCMAKE_C_FLAGS=${LIBCXX_CFLAGS} |
| -DCMAKE_CXX_FLAGS=${LIBCXX_CFLAGS} |
| -DCMAKE_BUILD_TYPE=Release |
| -DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_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 <BINARY_DIR> |
| COMMAND ${CMAKE_COMMAND} -E make_directory <BINARY_DIR> |
| COMMENT "Clobberring ${name} build directory..." |
| DEPENDERS configure |
| DEPENDS ${LIBCXX_DEPS} |
| ) |
| endmacro() |
| |
| function(rt_externalize_debuginfo name) |
| if(NOT COMPILER_RT_EXTERNALIZE_DEBUGINFO) |
| return() |
| endif() |
| |
| if(APPLE) |
| if(CMAKE_CXX_FLAGS MATCHES "-flto" |
| OR CMAKE_CXX_FLAGS_${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 $<TARGET_FILE:${name}> |
| COMMAND xcrun strip -Sl $<TARGET_FILE:${name}>) |
| else() |
| message(FATAL_ERROR "COMPILER_RT_EXTERNALIZE_DEBUGINFO isn't implemented for non-darwin platforms!") |
| endif() |
| endfunction() |
