forked from OSchip/llvm-project
248 lines
10 KiB
CMake
248 lines
10 KiB
CMake
include(AddLLVM)
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include(ExternalProject)
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include(LLVMParseArguments)
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include(CompilerRTUtils)
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# Tries to add "object library" target for a given architecture
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# with name "<name>.<arch>" if architecture can be targeted.
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# add_compiler_rt_object_library(<name> <arch>
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# SOURCES <source files>
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# CFLAGS <compile flags>
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# DEFS <compile definitions>)
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macro(add_compiler_rt_object_library name arch)
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if(CAN_TARGET_${arch})
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parse_arguments(LIB "SOURCES;CFLAGS;DEFS" "" ${ARGN})
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add_library(${name}.${arch} OBJECT ${LIB_SOURCES})
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set_target_compile_flags(${name}.${arch}
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${CMAKE_CXX_FLAGS} ${TARGET_${arch}_CFLAGS} ${LIB_CFLAGS})
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set_property(TARGET ${name}.${arch} APPEND PROPERTY
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COMPILE_DEFINITIONS ${LIB_DEFS})
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else()
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message(FATAL_ERROR "Archtecture ${arch} can't be targeted")
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endif()
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endmacro()
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# Same as above, but adds universal osx library for either OSX or iOS simulator
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# with name "<name>.<os>" targeting multiple architectures.
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# add_compiler_rt_darwin_object_library(<name> <os> ARCH <architectures>
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# SOURCES <source files>
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# CFLAGS <compile flags>
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# DEFS <compile definitions>)
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macro(add_compiler_rt_darwin_object_library name os)
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parse_arguments(LIB "ARCH;SOURCES;CFLAGS;DEFS" "" ${ARGN})
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set(libname "${name}.${os}")
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add_library(${libname} OBJECT ${LIB_SOURCES})
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set_target_compile_flags(${libname} ${LIB_CFLAGS} ${DARWIN_${os}_CFLAGS})
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set_target_properties(${libname} PROPERTIES OSX_ARCHITECTURES "${LIB_ARCH}")
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set_property(TARGET ${libname} APPEND PROPERTY
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COMPILE_DEFINITIONS ${LIB_DEFS})
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endmacro()
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# Adds static or shared runtime for a given architecture and puts it in the
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# proper directory in the build and install trees.
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# add_compiler_rt_runtime(<name> <arch> {STATIC,SHARED}
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# SOURCES <source files>
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# CFLAGS <compile flags>
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# DEFS <compile definitions>)
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macro(add_compiler_rt_runtime name arch type)
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if(CAN_TARGET_${arch})
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parse_arguments(LIB "SOURCES;CFLAGS;DEFS;OUTPUT_NAME" "" ${ARGN})
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add_library(${name} ${type} ${LIB_SOURCES})
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# Setup compile flags and definitions.
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set_target_compile_flags(${name}
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${TARGET_${arch}_CFLAGS} ${LIB_CFLAGS})
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set_target_link_flags(${name}
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${TARGET_${arch}_CFLAGS} ${LIB_CFLAGS})
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set_property(TARGET ${name} APPEND PROPERTY
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COMPILE_DEFINITIONS ${LIB_DEFS})
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# Setup correct output directory in the build tree.
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set_target_properties(${name} PROPERTIES
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ARCHIVE_OUTPUT_DIRECTORY ${COMPILER_RT_LIBRARY_OUTPUT_DIR}
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LIBRARY_OUTPUT_DIRECTORY ${COMPILER_RT_LIBRARY_OUTPUT_DIR})
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if (LIB_OUTPUT_NAME)
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set_target_properties(${name} PROPERTIES
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OUTPUT_NAME ${LIB_OUTPUT_NAME})
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endif()
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# Add installation command.
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install(TARGETS ${name}
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ARCHIVE DESTINATION ${COMPILER_RT_LIBRARY_INSTALL_DIR}
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LIBRARY DESTINATION ${COMPILER_RT_LIBRARY_INSTALL_DIR})
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else()
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message(FATAL_ERROR "Archtecture ${arch} can't be targeted")
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endif()
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endmacro()
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# Same as add_compiler_rt_runtime(... STATIC), but creates a universal library
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# for several architectures.
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# add_compiler_rt_osx_static_runtime(<name> ARCH <architectures>
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# SOURCES <source files>
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# CFLAGS <compile flags>
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# DEFS <compile definitions>)
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macro(add_compiler_rt_osx_static_runtime name)
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parse_arguments(LIB "ARCH;SOURCES;CFLAGS;DEFS" "" ${ARGN})
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add_library(${name} STATIC ${LIB_SOURCES})
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set_target_compile_flags(${name} ${LIB_CFLAGS})
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set_property(TARGET ${name} APPEND PROPERTY
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COMPILE_DEFINITIONS ${LIB_DEFS})
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set_target_properties(${name} PROPERTIES
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OSX_ARCHITECTURES "${LIB_ARCH}"
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ARCHIVE_OUTPUT_DIRECTORY ${COMPILER_RT_LIBRARY_OUTPUT_DIR})
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install(TARGETS ${name}
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ARCHIVE DESTINATION ${COMPILER_RT_LIBRARY_INSTALL_DIR})
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endmacro()
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# Adds dynamic runtime library on osx/iossim, which supports multiple
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# architectures.
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# add_compiler_rt_darwin_dynamic_runtime(<name> <os>
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# ARCH <architectures>
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# SOURCES <source files>
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# CFLAGS <compile flags>
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# DEFS <compile definitions>
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# LINKFLAGS <link flags>)
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macro(add_compiler_rt_darwin_dynamic_runtime name os)
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parse_arguments(LIB "ARCH;SOURCES;CFLAGS;DEFS;LINKFLAGS" "" ${ARGN})
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add_library(${name} SHARED ${LIB_SOURCES})
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set_target_compile_flags(${name} ${LIB_CFLAGS} ${DARWIN_${os}_CFLAGS})
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set_target_link_flags(${name} ${LIB_LINKFLAGS} ${DARWIN_${os}_LINKFLAGS})
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set_property(TARGET ${name} APPEND PROPERTY
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COMPILE_DEFINITIONS ${LIB_DEFS})
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set_target_properties(${name} PROPERTIES
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OSX_ARCHITECTURES "${LIB_ARCH}"
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LIBRARY_OUTPUT_DIRECTORY ${COMPILER_RT_LIBRARY_OUTPUT_DIR})
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install(TARGETS ${name}
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LIBRARY DESTINATION ${COMPILER_RT_LIBRARY_INSTALL_DIR})
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endmacro()
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set(COMPILER_RT_TEST_CFLAGS)
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# Unittests support.
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set(COMPILER_RT_GTEST_PATH ${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest)
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set(COMPILER_RT_GTEST_SOURCE ${COMPILER_RT_GTEST_PATH}/src/gtest-all.cc)
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set(COMPILER_RT_GTEST_CFLAGS
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-DGTEST_NO_LLVM_RAW_OSTREAM=1
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-DGTEST_HAS_RTTI=0
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-I${COMPILER_RT_GTEST_PATH}/include
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-I${COMPILER_RT_GTEST_PATH}
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)
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if(MSVC)
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# clang doesn't support exceptions on Windows yet.
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list(APPEND COMPILER_RT_TEST_CFLAGS
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-D_HAS_EXCEPTIONS=0)
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# We should teach clang to understand "#pragma intrinsic", see PR19898.
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list(APPEND COMPILER_RT_TEST_CFLAGS -Wno-undefined-inline)
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# Clang doesn't support SEH on Windows yet.
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list(APPEND COMPILER_RT_GTEST_CFLAGS -DGTEST_HAS_SEH=0)
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# gtest use a lot of stuff marked as deprecated on Windows.
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list(APPEND COMPILER_RT_GTEST_CFLAGS -Wno-deprecated-declarations)
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endif()
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# Link objects into a single executable with COMPILER_RT_TEST_COMPILER,
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# using specified link flags. Make executable a part of provided
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# test_suite.
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# add_compiler_rt_test(<test_suite> <test_name>
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# OBJECTS <object files>
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# DEPS <deps (e.g. runtime libs)>
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# LINK_FLAGS <link flags>)
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macro(add_compiler_rt_test test_suite test_name)
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parse_arguments(TEST "OBJECTS;DEPS;LINK_FLAGS" "" ${ARGN})
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set(output_bin "${CMAKE_CURRENT_BINARY_DIR}/${test_name}")
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# Use host compiler in a standalone build, and just-built Clang otherwise.
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if(NOT COMPILER_RT_STANDALONE_BUILD)
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list(APPEND TEST_DEPS clang)
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endif()
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# If we're not on MSVC, include the linker flags from CMAKE but override them
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# with the provided link flags. This ensures that flags which are required to
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# link programs at all are included, but the changes needed for the test
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# trump. With MSVC we can't do that because CMake is set up to run link.exe
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# when linking, not the compiler. Here, we hack it to use the compiler
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# because we want to use -fsanitize flags.
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if(NOT MSVC)
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set(TEST_LINK_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${TEST_LINK_FLAGS}")
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separate_arguments(TEST_LINK_FLAGS)
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endif()
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add_custom_target(${test_name}
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COMMAND ${COMPILER_RT_TEST_COMPILER} ${TEST_OBJECTS}
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-o "${output_bin}"
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${TEST_LINK_FLAGS}
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DEPENDS ${TEST_DEPS})
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# Make the test suite depend on the binary.
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add_dependencies(${test_suite} ${test_name})
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endmacro()
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macro(add_compiler_rt_resource_file target_name file_name)
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set(src_file "${CMAKE_CURRENT_SOURCE_DIR}/${file_name}")
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set(dst_file "${COMPILER_RT_OUTPUT_DIR}/${file_name}")
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add_custom_command(OUTPUT ${dst_file}
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DEPENDS ${src_file}
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COMMAND ${CMAKE_COMMAND} -E copy_if_different ${src_file} ${dst_file}
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COMMENT "Copying ${file_name}...")
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add_custom_target(${target_name} DEPENDS ${dst_file})
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# Install in Clang resource directory.
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install(FILES ${file_name} DESTINATION ${COMPILER_RT_INSTALL_PATH})
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endmacro()
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macro(add_compiler_rt_script name)
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set(dst ${COMPILER_RT_EXEC_OUTPUT_DIR}/${name})
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set(src ${CMAKE_CURRENT_SOURCE_DIR}/${name})
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add_custom_command(OUTPUT ${dst}
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DEPENDS ${src}
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COMMAND ${CMAKE_COMMAND} -E copy_if_different ${src} ${dst}
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COMMENT "Copying ${name}...")
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add_custom_target(${name} DEPENDS ${dst})
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install(FILES ${dst}
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PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE
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DESTINATION ${COMPILER_RT_INSTALL_PATH}/bin)
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endmacro(add_compiler_rt_script src name)
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# Builds custom version of libc++ and installs it in <prefix>.
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# Can be used to build sanitized versions of libc++ for running unit tests.
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# add_custom_libcxx(<name> <prefix>
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# DEPS <list of build deps>
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# CFLAGS <list of compile flags>)
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macro(add_custom_libcxx name prefix)
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if(NOT COMPILER_RT_HAS_LIBCXX_SOURCES)
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message(FATAL_ERROR "libcxx not found!")
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endif()
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parse_arguments(LIBCXX "DEPS;CFLAGS" "" ${ARGN})
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foreach(flag ${LIBCXX_CFLAGS})
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set(flagstr "${flagstr} ${flag}")
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endforeach()
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set(LIBCXX_CFLAGS ${flagstr})
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if(NOT COMPILER_RT_STANDALONE_BUILD)
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list(APPEND LIBCXX_DEPS clang)
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endif()
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ExternalProject_Add(${name}
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PREFIX ${prefix}
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SOURCE_DIR ${COMPILER_RT_LIBCXX_PATH}
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CMAKE_ARGS -DCMAKE_C_COMPILER=${COMPILER_RT_TEST_COMPILER}
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-DCMAKE_CXX_COMPILER=${COMPILER_RT_TEST_COMPILER}
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-DCMAKE_C_FLAGS=${LIBCXX_CFLAGS}
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-DCMAKE_CXX_FLAGS=${LIBCXX_CFLAGS}
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-DCMAKE_BUILD_TYPE=Release
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-DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR>
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LOG_BUILD 1
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LOG_CONFIGURE 1
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LOG_INSTALL 1
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)
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ExternalProject_Add_Step(${name} force-reconfigure
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DEPENDERS configure
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ALWAYS 1
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)
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ExternalProject_Add_Step(${name} clobber
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COMMAND ${CMAKE_COMMAND} -E remove_directory <BINARY_DIR>
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COMMAND ${CMAKE_COMMAND} -E make_directory <BINARY_DIR>
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COMMENT "Clobberring ${name} build directory..."
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DEPENDERS configure
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DEPENDS ${LIBCXX_DEPS}
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)
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endmacro()
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