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-rw-r--r--cmake/Modules/AddCompilerRT.cmake164
1 files changed, 139 insertions, 25 deletions
diff --git a/cmake/Modules/AddCompilerRT.cmake b/cmake/Modules/AddCompilerRT.cmake
index fd117ac522cae..3edd854fdee7f 100644
--- a/cmake/Modules/AddCompilerRT.cmake
+++ b/cmake/Modules/AddCompilerRT.cmake
@@ -1,4 +1,5 @@
include(AddLLVM)
+include(ExternalProject)
include(LLVMParseArguments)
include(CompilerRTUtils)
@@ -13,7 +14,7 @@ macro(add_compiler_rt_object_library name arch)
parse_arguments(LIB "SOURCES;CFLAGS;DEFS" "" ${ARGN})
add_library(${name}.${arch} OBJECT ${LIB_SOURCES})
set_target_compile_flags(${name}.${arch}
- ${TARGET_${arch}_CFLAGS} ${LIB_CFLAGS})
+ ${CMAKE_CXX_FLAGS} ${TARGET_${arch}_CFLAGS} ${LIB_CFLAGS})
set_property(TARGET ${name}.${arch} APPEND PROPERTY
COMPILE_DEFINITIONS ${LIB_DEFS})
else()
@@ -37,34 +38,47 @@ macro(add_compiler_rt_darwin_object_library name os)
COMPILE_DEFINITIONS ${LIB_DEFS})
endmacro()
-# Adds static runtime for a given architecture and puts it in the proper
-# directory in the build and install trees.
-# add_compiler_rt_static_runtime(<name> <arch>
-# SOURCES <source files>
-# CFLAGS <compile flags>
-# DEFS <compile definitions>)
-macro(add_compiler_rt_static_runtime name arch)
+# Adds static or shared runtime for a given architecture and puts it in the
+# proper directory in the build and install trees.
+# add_compiler_rt_runtime(<name> <arch> {STATIC,SHARED}
+# SOURCES <source files>
+# CFLAGS <compile flags>
+# DEFS <compile definitions>
+# OUTPUT_NAME <output library name>)
+macro(add_compiler_rt_runtime name arch type)
if(CAN_TARGET_${arch})
- parse_arguments(LIB "SOURCES;CFLAGS;DEFS" "" ${ARGN})
- add_library(${name} STATIC ${LIB_SOURCES})
+ parse_arguments(LIB "SOURCES;CFLAGS;DEFS;OUTPUT_NAME" "" ${ARGN})
+ add_library(${name} ${type} ${LIB_SOURCES})
# Setup compile flags and definitions.
set_target_compile_flags(${name}
${TARGET_${arch}_CFLAGS} ${LIB_CFLAGS})
+ set_target_link_flags(${name}
+ ${TARGET_${arch}_CFLAGS} ${LIB_CFLAGS})
set_property(TARGET ${name} APPEND PROPERTY
COMPILE_DEFINITIONS ${LIB_DEFS})
# Setup correct output directory in the build tree.
set_target_properties(${name} PROPERTIES
- ARCHIVE_OUTPUT_DIRECTORY ${COMPILER_RT_LIBRARY_OUTPUT_DIR})
+ ARCHIVE_OUTPUT_DIRECTORY ${COMPILER_RT_LIBRARY_OUTPUT_DIR}
+ LIBRARY_OUTPUT_DIRECTORY ${COMPILER_RT_LIBRARY_OUTPUT_DIR}
+ RUNTIME_OUTPUT_DIRECTORY ${COMPILER_RT_LIBRARY_OUTPUT_DIR})
+ if ("${LIB_OUTPUT_NAME}" STREQUAL "")
+ set_target_properties(${name} PROPERTIES
+ OUTPUT_NAME ${name}${COMPILER_RT_OS_SUFFIX})
+ else()
+ set_target_properties(${name} PROPERTIES
+ OUTPUT_NAME ${LIB_OUTPUT_NAME})
+ endif()
# Add installation command.
install(TARGETS ${name}
- ARCHIVE DESTINATION ${COMPILER_RT_LIBRARY_INSTALL_DIR})
- add_dependencies(compiler-rt ${name})
+ ARCHIVE DESTINATION ${COMPILER_RT_LIBRARY_INSTALL_DIR}
+ LIBRARY DESTINATION ${COMPILER_RT_LIBRARY_INSTALL_DIR}
+ RUNTIME DESTINATION ${COMPILER_RT_LIBRARY_INSTALL_DIR})
else()
message(FATAL_ERROR "Archtecture ${arch} can't be targeted")
endif()
endmacro()
-# Same as add_compiler_rt_static_runtime, but creates a universal library
+# Same as add_compiler_rt_runtime(... STATIC), but creates a universal library
# for several architectures.
# add_compiler_rt_osx_static_runtime(<name> ARCH <architectures>
# SOURCES <source files>
@@ -81,7 +95,6 @@ macro(add_compiler_rt_osx_static_runtime name)
ARCHIVE_OUTPUT_DIRECTORY ${COMPILER_RT_LIBRARY_OUTPUT_DIR})
install(TARGETS ${name}
ARCHIVE DESTINATION ${COMPILER_RT_LIBRARY_INSTALL_DIR})
- add_dependencies(compiler-rt ${name})
endmacro()
# Adds dynamic runtime library on osx/iossim, which supports multiple
@@ -104,20 +117,43 @@ macro(add_compiler_rt_darwin_dynamic_runtime name os)
LIBRARY_OUTPUT_DIRECTORY ${COMPILER_RT_LIBRARY_OUTPUT_DIR})
install(TARGETS ${name}
LIBRARY DESTINATION ${COMPILER_RT_LIBRARY_INSTALL_DIR})
- add_dependencies(compiler-rt ${name})
endmacro()
+set(COMPILER_RT_TEST_CFLAGS)
+
# Unittests support.
set(COMPILER_RT_GTEST_PATH ${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest)
set(COMPILER_RT_GTEST_SOURCE ${COMPILER_RT_GTEST_PATH}/src/gtest-all.cc)
-set(COMPILER_RT_GTEST_INCLUDE_CFLAGS
+set(COMPILER_RT_GTEST_CFLAGS
-DGTEST_NO_LLVM_RAW_OSTREAM=1
+ -DGTEST_HAS_RTTI=0
-I${COMPILER_RT_GTEST_PATH}/include
-I${COMPILER_RT_GTEST_PATH}
)
-# Use Clang to link objects into a single executable with just-built
-# Clang, using specific link flags. Make executable a part of provided
+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>
# OBJECTS <object files>
@@ -126,20 +162,98 @@ set(COMPILER_RT_GTEST_INCLUDE_CFLAGS
macro(add_compiler_rt_test test_suite test_name)
parse_arguments(TEST "OBJECTS;DEPS;LINK_FLAGS" "" ${ARGN})
set(output_bin "${CMAKE_CURRENT_BINARY_DIR}/${test_name}")
+ # Use host compiler in a standalone build, and just-built Clang otherwise.
+ if(NOT COMPILER_RT_STANDALONE_BUILD)
+ list(APPEND TEST_DEPS clang)
+ endif()
+ # If we're not on MSVC, include the linker flags from CMAKE but override them
+ # with the provided link flags. This ensures that flags which are required to
+ # link programs at all are included, but the changes needed for the test
+ # trump. With MSVC we can't do that because CMake is set up to run link.exe
+ # when linking, not the compiler. Here, we hack it to use the compiler
+ # because we want to use -fsanitize flags.
+ if(NOT MSVC)
+ set(TEST_LINK_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${TEST_LINK_FLAGS}")
+ separate_arguments(TEST_LINK_FLAGS)
+ endif()
add_custom_target(${test_name}
- COMMAND clang ${TEST_OBJECTS} -o "${output_bin}"
+ COMMAND ${COMPILER_RT_TEST_COMPILER} ${TEST_OBJECTS}
+ -o "${output_bin}"
${TEST_LINK_FLAGS}
- DEPENDS clang ${TEST_DEPS})
+ 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}/${file_name}")
- set(dst_file "${CLANG_RESOURCE_DIR}/${file_name}")
- add_custom_target(${target_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}
- DEPENDS ${file_name})
+ COMMENT "Copying ${file_name}...")
+ add_custom_target(${target_name} DEPENDS ${dst_file})
# Install in Clang resource directory.
- install(FILES ${file_name} DESTINATION ${LIBCLANG_INSTALL_PATH})
+ 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()
+
+ 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 ${COMPILER_RT_LIBCXX_PATH}
+ CMAKE_ARGS -DCMAKE_C_COMPILER=${COMPILER_RT_TEST_COMPILER}
+ -DCMAKE_CXX_COMPILER=${COMPILER_RT_TEST_COMPILER}
+ -DCMAKE_C_FLAGS=${LIBCXX_CFLAGS}
+ -DCMAKE_CXX_FLAGS=${LIBCXX_CFLAGS}
+ -DCMAKE_BUILD_TYPE=Release
+ -DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR>
+ LOG_BUILD 1
+ LOG_CONFIGURE 1
+ LOG_INSTALL 1
+ )
+
+ ExternalProject_Add_Step(${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()
generated by cgit v1.2.3 (git 2.25.1) at 2025-08-04 20:33:50 +0000