440 lines
		
	
	
		
			17 KiB
		
	
	
	
		
			CMake
		
	
	
	
			
		
		
	
	
			440 lines
		
	
	
		
			17 KiB
		
	
	
	
		
			CMake
		
	
	
	
include(ExternalProject)
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include(CompilerRTUtils)
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function(set_target_output_directories target output_dir)
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  # For RUNTIME_OUTPUT_DIRECTORY variable, Multi-configuration generators
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  # append a per-configuration subdirectory to the specified directory.
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  # To avoid the appended folder, the configuration specific variable must be
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  # set 'RUNTIME_OUTPUT_DIRECTORY_${CONF}':
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  # RUNTIME_OUTPUT_DIRECTORY_DEBUG, RUNTIME_OUTPUT_DIRECTORY_RELEASE, ...
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  if(CMAKE_CONFIGURATION_TYPES)
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    foreach(build_mode ${CMAKE_CONFIGURATION_TYPES})
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      string(TOUPPER "${build_mode}" CONFIG_SUFFIX)
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      set_target_properties("${target}" PROPERTIES
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          "ARCHIVE_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${output_dir}
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          "LIBRARY_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${output_dir}
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          "RUNTIME_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${output_dir})
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    endforeach()
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  else()
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    set_target_properties("${target}" PROPERTIES
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        ARCHIVE_OUTPUT_DIRECTORY ${output_dir}
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        LIBRARY_OUTPUT_DIRECTORY ${output_dir}
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        RUNTIME_OUTPUT_DIRECTORY ${output_dir})
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  endif()
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endfunction()
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# Tries to add an "object library" target for a given list of OSs and/or
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# architectures with name "<name>.<arch>" for non-Darwin platforms if
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# architecture can be targeted, and "<name>.<os>" for Darwin platforms.
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# add_compiler_rt_object_libraries(<name>
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#                                  OS <os names>
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#                                  ARCHS <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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function(add_compiler_rt_object_libraries name)
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  cmake_parse_arguments(LIB "" "" "OS;ARCHS;SOURCES;CFLAGS;DEFS" ${ARGN})
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  set(libnames)
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  if(APPLE)
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    foreach(os ${LIB_OS})
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      set(libname "${name}.${os}")
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      set(libnames ${libnames} ${libname})
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      set(extra_cflags_${libname} ${DARWIN_${os}_CFLAGS})
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      list_intersect(LIB_ARCHS_${libname} DARWIN_${os}_ARCHS LIB_ARCHS)
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    endforeach()
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  else()
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    foreach(arch ${LIB_ARCHS})
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      set(libname "${name}.${arch}")
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      set(libnames ${libnames} ${libname})
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      set(extra_cflags_${libname} ${TARGET_${arch}_CFLAGS})
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      if(NOT CAN_TARGET_${arch})
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        message(FATAL_ERROR "Architecture ${arch} can't be targeted")
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        return()
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      endif()
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    endforeach()
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  endif()
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  foreach(libname ${libnames})
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    add_library(${libname} OBJECT ${LIB_SOURCES})
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    set_target_compile_flags(${libname}
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      ${CMAKE_CXX_FLAGS} ${extra_cflags_${libname}} ${LIB_CFLAGS})
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    set_property(TARGET ${libname} APPEND PROPERTY
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      COMPILE_DEFINITIONS ${LIB_DEFS})
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    set_target_properties(${libname} PROPERTIES FOLDER "Compiler-RT Libraries")
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    if(APPLE)
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      set_target_properties(${libname} PROPERTIES
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        OSX_ARCHITECTURES "${LIB_ARCHS_${libname}}")
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    endif()
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  endforeach()
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endfunction()
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# Takes a list of object library targets, and a suffix and appends the proper
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# TARGET_OBJECTS string to the output variable.
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# format_object_libs(<output> <suffix> ...)
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macro(format_object_libs output suffix)
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  foreach(lib ${ARGN})
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    list(APPEND ${output} $<TARGET_OBJECTS:${lib}.${suffix}>)
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  endforeach()
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endmacro()
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function(add_compiler_rt_component name)
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  add_custom_target(${name})
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  set_target_properties(${name} PROPERTIES FOLDER "Compiler-RT Misc")
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  if(COMMAND runtime_register_component)
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    runtime_register_component(${name})
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  endif()
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  add_dependencies(compiler-rt ${name})
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endfunction()
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# Adds static or shared runtime for a list of architectures and operating
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# systems and puts it in the proper directory in the build and install trees.
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# add_compiler_rt_runtime(<name>
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#                         {STATIC|SHARED}
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#                         ARCHS <architectures>
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#                         OS <os list>
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#                         SOURCES <source files>
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#                         CFLAGS <compile flags>
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#                         LINK_FLAGS <linker flags>
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#                         DEFS <compile definitions>
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#                         LINK_LIBS <linked libraries> (only for shared library)
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#                         OBJECT_LIBS <object libraries to use as sources>
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#                         PARENT_TARGET <convenience parent target>)
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function(add_compiler_rt_runtime name type)
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  if(NOT type MATCHES "^(STATIC|SHARED)$")
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    message(FATAL_ERROR "type argument must be STATIC or SHARED")
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    return()
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  endif()
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  cmake_parse_arguments(LIB
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    ""
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    "PARENT_TARGET"
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    "OS;ARCHS;SOURCES;CFLAGS;LINK_FLAGS;DEFS;LINK_LIBS;OBJECT_LIBS"
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    ${ARGN})
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  set(libnames)
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  # Until we support this some other way, build compiler-rt runtime without LTO
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  # to allow non-LTO projects to link with it.
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  if(COMPILER_RT_HAS_FNO_LTO_FLAG)
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    set(NO_LTO_FLAGS "-fno-lto")
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  else()
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    set(NO_LTO_FLAGS "")
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  endif()
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  if(APPLE)
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    foreach(os ${LIB_OS})
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      if(type STREQUAL "STATIC")
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        set(libname "${name}_${os}")
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      else()
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        set(libname "${name}_${os}_dynamic")
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        set(extra_link_flags_${libname} ${DARWIN_${os}_LINK_FLAGS} ${LIB_LINK_FLAGS})
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      endif()
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      list_intersect(LIB_ARCHS_${libname} DARWIN_${os}_ARCHS LIB_ARCHS)
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      if(LIB_ARCHS_${libname})
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        list(APPEND libnames ${libname})
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        set(extra_cflags_${libname} ${DARWIN_${os}_CFLAGS} ${NO_LTO_FLAGS} ${LIB_CFLAGS})
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        set(output_name_${libname} ${libname}${COMPILER_RT_OS_SUFFIX})
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        set(sources_${libname} ${LIB_SOURCES})
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        format_object_libs(sources_${libname} ${os} ${LIB_OBJECT_LIBS})
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      endif()
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    endforeach()
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  else()
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    foreach(arch ${LIB_ARCHS})
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      if(NOT CAN_TARGET_${arch})
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        message(FATAL_ERROR "Architecture ${arch} can't be targeted")
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        return()
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      endif()
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      if(type STREQUAL "STATIC")
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        set(libname "${name}-${arch}")
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        set(output_name_${libname} ${libname}${COMPILER_RT_OS_SUFFIX})
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      else()
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        set(libname "${name}-dynamic-${arch}")
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        set(extra_cflags_${libname} ${TARGET_${arch}_CFLAGS} ${LIB_CFLAGS})
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        set(extra_link_flags_${libname} ${TARGET_${arch}_LINK_FLAGS} ${LIB_LINK_FLAGS})
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        if(WIN32)
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          set(output_name_${libname} ${name}_dynamic-${arch}${COMPILER_RT_OS_SUFFIX})
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        else()
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          set(output_name_${libname} ${name}-${arch}${COMPILER_RT_OS_SUFFIX})
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        endif()
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      endif()
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      set(sources_${libname} ${LIB_SOURCES})
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      format_object_libs(sources_${libname} ${arch} ${LIB_OBJECT_LIBS})
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      set(libnames ${libnames} ${libname})
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      set(extra_cflags_${libname} ${TARGET_${arch}_CFLAGS} ${NO_LTO_FLAGS} ${LIB_CFLAGS})
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    endforeach()
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  endif()
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  if(NOT libnames)
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    return()
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  endif()
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  if(LIB_PARENT_TARGET)
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    # If the parent targets aren't created we should create them
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    if(NOT TARGET ${LIB_PARENT_TARGET})
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      add_custom_target(${LIB_PARENT_TARGET})
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    endif()
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    if(NOT TARGET install-${LIB_PARENT_TARGET})
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      # The parent install target specifies the parent component to scrape up
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      # anything not installed by the individual install targets, and to handle
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      # installation when running the multi-configuration generators.
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      add_custom_target(install-${LIB_PARENT_TARGET}
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                        DEPENDS ${LIB_PARENT_TARGET}
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                        COMMAND "${CMAKE_COMMAND}"
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                                -DCMAKE_INSTALL_COMPONENT=${LIB_PARENT_TARGET}
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                                -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
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      set_target_properties(install-${LIB_PARENT_TARGET} PROPERTIES
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                            FOLDER "Compiler-RT Misc")
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      add_dependencies(install-compiler-rt install-${LIB_PARENT_TARGET})
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    endif()
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  endif()
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  foreach(libname ${libnames})
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    # If you are using a multi-configuration generator we don't generate
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    # per-library install rules, so we fall back to the parent target COMPONENT
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    if(CMAKE_CONFIGURATION_TYPES AND LIB_PARENT_TARGET)
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      set(COMPONENT_OPTION COMPONENT ${LIB_PARENT_TARGET})
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    else()
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      set(COMPONENT_OPTION COMPONENT ${libname})
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    endif()
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    add_library(${libname} ${type} ${sources_${libname}})
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    set_target_compile_flags(${libname} ${extra_cflags_${libname}})
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    set_target_link_flags(${libname} ${extra_link_flags_${libname}})
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    set_property(TARGET ${libname} APPEND PROPERTY
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                COMPILE_DEFINITIONS ${LIB_DEFS})
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    set_target_output_directories(${libname} ${COMPILER_RT_LIBRARY_OUTPUT_DIR})
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    set_target_properties(${libname} PROPERTIES
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        OUTPUT_NAME ${output_name_${libname}})
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    set_target_properties(${libname} PROPERTIES FOLDER "Compiler-RT Runtime")
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    if(${type} STREQUAL "SHARED")
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      if(LIB_LINK_LIBS)
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        target_link_libraries(${libname} ${LIB_LINK_LIBS})
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      endif()
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      if(WIN32 AND NOT CYGWIN AND NOT MINGW)
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        set_target_properties(${libname} PROPERTIES IMPORT_PREFIX "")
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        set_target_properties(${libname} PROPERTIES IMPORT_SUFFIX ".lib")
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      endif()
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      if(APPLE)
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        # Ad-hoc sign the dylibs
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        add_custom_command(TARGET ${libname}
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          POST_BUILD  
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          COMMAND codesign --sign - $<TARGET_FILE:${libname}>
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          WORKING_DIRECTORY ${COMPILER_RT_LIBRARY_OUTPUT_DIR}
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        )
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      endif()
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    endif()
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    install(TARGETS ${libname}
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      ARCHIVE DESTINATION ${COMPILER_RT_LIBRARY_INSTALL_DIR}
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              ${COMPONENT_OPTION}
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      LIBRARY DESTINATION ${COMPILER_RT_LIBRARY_INSTALL_DIR}
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              ${COMPONENT_OPTION}
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      RUNTIME DESTINATION ${COMPILER_RT_LIBRARY_INSTALL_DIR}
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              ${COMPONENT_OPTION})
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    # We only want to generate per-library install targets if you aren't using
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    # an IDE because the extra targets get cluttered in IDEs.
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    if(NOT CMAKE_CONFIGURATION_TYPES)
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      add_custom_target(install-${libname}
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                        DEPENDS ${libname}
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                        COMMAND "${CMAKE_COMMAND}"
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                                -DCMAKE_INSTALL_COMPONENT=${libname}
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                                -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
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      # If you have a parent target specified, we bind the new install target
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      # to the parent install target.
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      if(LIB_PARENT_TARGET)
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        add_dependencies(install-${LIB_PARENT_TARGET} install-${libname})
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      endif()
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    endif()
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    if(APPLE)
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      set_target_properties(${libname} PROPERTIES
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      OSX_ARCHITECTURES "${LIB_ARCHS_${libname}}")
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    endif()
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    if(type STREQUAL "SHARED")
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      rt_externalize_debuginfo(${libname})
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    endif()
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  endforeach()
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  if(LIB_PARENT_TARGET)
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    add_dependencies(${LIB_PARENT_TARGET} ${libnames})
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  endif()
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endfunction()
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# when cross compiling, COMPILER_RT_TEST_COMPILER_CFLAGS help
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# in compilation and linking of unittests.
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string(REPLACE " " ";" COMPILER_RT_UNITTEST_CFLAGS "${COMPILER_RT_TEST_COMPILER_CFLAGS}")
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set(COMPILER_RT_UNITTEST_LINK_FLAGS ${COMPILER_RT_UNITTEST_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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append_list_if(COMPILER_RT_DEBUG -DSANITIZER_DEBUG=1 COMPILER_RT_UNITTEST_CFLAGS)
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append_list_if(COMPILER_RT_HAS_WCOVERED_SWITCH_DEFAULT_FLAG -Wno-covered-switch-default COMPILER_RT_UNITTEST_CFLAGS)
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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_UNITTEST_CFLAGS -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_UNITTEST_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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#                      SUBDIR <subdirectory for binary>
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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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  cmake_parse_arguments(TEST "" "SUBDIR" "OBJECTS;DEPS;LINK_FLAGS" "" ${ARGN})
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  set(output_bin ${CMAKE_CURRENT_BINARY_DIR})
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  if(TEST_SUBDIR)
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    set(output_bin "${output_bin}/${TEST_SUBDIR}")
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  endif()
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  set(output_bin "${output_bin}/${CMAKE_CFG_RESOLVED_INTDIR}${test_name}")
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  if(MSVC)
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    set(output_bin "${output_bin}.exe")
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  endif()
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  # Use host compiler in a standalone build, and just-built Clang otherwise.
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  if(NOT COMPILER_RT_STANDALONE_BUILD)
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    list(APPEND TEST_DEPS clang)
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  endif()
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  # If we're not on MSVC, include the linker flags from CMAKE but override them
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  # with the provided link flags. This ensures that flags which are required to
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  # link programs at all are included, but the changes needed for the test
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  # trump. With MSVC we can't do that because CMake is set up to run link.exe
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  # when linking, not the compiler. Here, we hack it to use the compiler
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  # because we want to use -fsanitize flags.
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  if(NOT MSVC)
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    set(TEST_LINK_FLAGS "${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 ${TEST_DEPS})
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  set_target_properties(${test_name} PROPERTIES FOLDER "Compiler-RT Tests")
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  # Make the test suite depend on the binary.
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  add_dependencies(${test_suite} ${test_name})
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endmacro()
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macro(add_compiler_rt_resource_file target_name file_name component)
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  set(src_file "${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}
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    DESTINATION ${COMPILER_RT_INSTALL_PATH}
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    COMPONENT ${component})
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  add_dependencies(${component} ${target_name})
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  set_target_properties(${target_name} PROPERTIES FOLDER "Compiler-RT Misc")
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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)
 | 
						|
    message(FATAL_ERROR "libcxx not found!")
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						|
  endif()
 | 
						|
 | 
						|
  cmake_parse_arguments(LIBCXX "" "" "DEPS;CFLAGS" ${ARGN})
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						|
  foreach(flag ${LIBCXX_CFLAGS})
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						|
    set(flagstr "${flagstr} ${flag}")
 | 
						|
  endforeach()
 | 
						|
  set(LIBCXX_CFLAGS ${flagstr})
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						|
 | 
						|
  if(NOT COMPILER_RT_STANDALONE_BUILD)
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						|
    list(APPEND LIBCXX_DEPS clang)
 | 
						|
  endif()
 | 
						|
 | 
						|
  ExternalProject_Add(${name}
 | 
						|
    PREFIX ${prefix}
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						|
    SOURCE_DIR ${COMPILER_RT_LIBCXX_PATH}
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						|
    CMAKE_ARGS -DCMAKE_MAKE_PROGRAM:STRING=${CMAKE_MAKE_PROGRAM}
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						|
               -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=<INSTALL_DIR>
 | 
						|
               -DLLVM_PATH=${LLVM_MAIN_SRC_DIR}
 | 
						|
               -DLIBCXX_STANDALONE_BUILD=On
 | 
						|
    LOG_BUILD 1
 | 
						|
    LOG_CONFIGURE 1
 | 
						|
    LOG_INSTALL 1
 | 
						|
    )
 | 
						|
  set_target_properties(${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(NOT COMPILER_RT_EXTERNALIZE_DEBUGINFO_SKIP_STRIP)
 | 
						|
    set(strip_command COMMAND xcrun strip -Sl $<TARGET_FILE:${name}>)
 | 
						|
  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}>
 | 
						|
      ${strip_command})
 | 
						|
  else()
 | 
						|
    message(FATAL_ERROR "COMPILER_RT_EXTERNALIZE_DEBUGINFO isn't implemented for non-darwin platforms!")
 | 
						|
  endif()
 | 
						|
endfunction()
 |