include(LLVMProcessSources) include(LLVM-Config) include(DetermineGCCCompatible) function(llvm_update_compile_flags name) get_property(sources TARGET ${name} PROPERTY SOURCES) if("${sources}" MATCHES "\\.c(;|$)") set(update_src_props ON) endif() # LLVM_REQUIRES_EH is an internal flag that individual # targets can use to force EH if((LLVM_REQUIRES_EH OR LLVM_ENABLE_EH) AND NOT CLANG_CL) if(NOT (LLVM_REQUIRES_RTTI OR LLVM_ENABLE_RTTI)) message(AUTHOR_WARNING "Exception handling requires RTTI. Enabling RTTI for ${name}") set(LLVM_REQUIRES_RTTI ON) endif() else() if(LLVM_COMPILER_IS_GCC_COMPATIBLE) list(APPEND LLVM_COMPILE_FLAGS "-fno-exceptions") elseif(MSVC) list(APPEND LLVM_COMPILE_DEFINITIONS _HAS_EXCEPTIONS=0) list(APPEND LLVM_COMPILE_FLAGS "/EHs-c-") endif() endif() # LLVM_REQUIRES_RTTI is an internal flag that individual # targets can use to force RTTI if(NOT (LLVM_REQUIRES_RTTI OR LLVM_ENABLE_RTTI)) list(APPEND LLVM_COMPILE_DEFINITIONS GTEST_HAS_RTTI=0) if (LLVM_COMPILER_IS_GCC_COMPATIBLE) list(APPEND LLVM_COMPILE_FLAGS "-fno-rtti") elseif (MSVC) list(APPEND LLVM_COMPILE_FLAGS "/GR-") endif () endif() # Assume that; # - LLVM_COMPILE_FLAGS is list. # - PROPERTY COMPILE_FLAGS is string. string(REPLACE ";" " " target_compile_flags " ${LLVM_COMPILE_FLAGS}") if(update_src_props) foreach(fn ${sources}) get_filename_component(suf ${fn} EXT) if("${suf}" STREQUAL ".cpp") set_property(SOURCE ${fn} APPEND_STRING PROPERTY COMPILE_FLAGS "${target_compile_flags}") endif() endforeach() else() # Update target props, since all sources are C++. set_property(TARGET ${name} APPEND_STRING PROPERTY COMPILE_FLAGS "${target_compile_flags}") endif() set_property(TARGET ${name} APPEND PROPERTY COMPILE_DEFINITIONS ${LLVM_COMPILE_DEFINITIONS}) endfunction() function(add_llvm_symbol_exports target_name export_file) if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin") set(native_export_file "${target_name}.exports") add_custom_command(OUTPUT ${native_export_file} COMMAND sed -e "s/^/_/" < ${export_file} > ${native_export_file} DEPENDS ${export_file} VERBATIM COMMENT "Creating export file for ${target_name}") set_property(TARGET ${target_name} APPEND_STRING PROPERTY LINK_FLAGS " -Wl,-exported_symbols_list,${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}") elseif(LLVM_HAVE_LINK_VERSION_SCRIPT) # Gold and BFD ld require a version script rather than a plain list. set(native_export_file "${target_name}.exports") # FIXME: Don't write the "local:" line on OpenBSD. add_custom_command(OUTPUT ${native_export_file} COMMAND echo "{" > ${native_export_file} COMMAND grep -q "[[:alnum:]]" ${export_file} && echo " global:" >> ${native_export_file} || : COMMAND sed -e "s/$/;/" -e "s/^/ /" < ${export_file} >> ${native_export_file} COMMAND echo " local: *;" >> ${native_export_file} COMMAND echo "};" >> ${native_export_file} DEPENDS ${export_file} VERBATIM COMMENT "Creating export file for ${target_name}") if (${CMAKE_SYSTEM_NAME} MATCHES "SunOS") set_property(TARGET ${target_name} APPEND_STRING PROPERTY LINK_FLAGS " -Wl,-M,${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}") else() set_property(TARGET ${target_name} APPEND_STRING PROPERTY LINK_FLAGS " -Wl,--version-script,${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}") endif() else() set(native_export_file "${target_name}.def") add_custom_command(OUTPUT ${native_export_file} COMMAND ${PYTHON_EXECUTABLE} -c "import sys;print(''.join(['EXPORTS\\n']+sys.stdin.readlines(),))" < ${export_file} > ${native_export_file} DEPENDS ${export_file} VERBATIM COMMENT "Creating export file for ${target_name}") set(export_file_linker_flag "${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}") if(MSVC) set(export_file_linker_flag "/DEF:\"${export_file_linker_flag}\"") endif() set_property(TARGET ${target_name} APPEND_STRING PROPERTY LINK_FLAGS " ${export_file_linker_flag}") endif() add_custom_target(${target_name}_exports DEPENDS ${native_export_file}) set_target_properties(${target_name}_exports PROPERTIES FOLDER "Misc") get_property(srcs TARGET ${target_name} PROPERTY SOURCES) foreach(src ${srcs}) get_filename_component(extension ${src} EXT) if(extension STREQUAL ".cpp") set(first_source_file ${src}) break() endif() endforeach() # Force re-linking when the exports file changes. Actually, it # forces recompilation of the source file. The LINK_DEPENDS target # property only works for makefile-based generators. # FIXME: This is not safe because this will create the same target # ${native_export_file} in several different file: # - One where we emitted ${target_name}_exports # - One where we emitted the build command for the following object. # set_property(SOURCE ${first_source_file} APPEND PROPERTY # OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}) set_property(DIRECTORY APPEND PROPERTY ADDITIONAL_MAKE_CLEAN_FILES ${native_export_file}) add_dependencies(${target_name} ${target_name}_exports) # Add dependency to *_exports later -- CMake issue 14747 list(APPEND LLVM_COMMON_DEPENDS ${target_name}_exports) set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} PARENT_SCOPE) endfunction(add_llvm_symbol_exports) if(NOT WIN32 AND NOT APPLE) execute_process( COMMAND ${CMAKE_C_COMPILER} -Wl,--version OUTPUT_VARIABLE stdout ERROR_QUIET ) if("${stdout}" MATCHES "GNU gold") set(LLVM_LINKER_IS_GOLD ON) endif() endif() function(add_link_opts target_name) # Don't use linker optimizations in debug builds since it slows down the # linker in a context where the optimizations are not important. if (NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG") # Pass -O3 to the linker. This enabled different optimizations on different # linkers. if(NOT (${CMAKE_SYSTEM_NAME} MATCHES "Darwin|SunOS" OR WIN32)) set_property(TARGET ${target_name} APPEND_STRING PROPERTY LINK_FLAGS " -Wl,-O3") endif() if(LLVM_LINKER_IS_GOLD) # With gold gc-sections is always safe. set_property(TARGET ${target_name} APPEND_STRING PROPERTY LINK_FLAGS " -Wl,--gc-sections") # Note that there is a bug with -Wl,--icf=safe so it is not safe # to enable. See https://sourceware.org/bugzilla/show_bug.cgi?id=17704. endif() if(NOT LLVM_NO_DEAD_STRIP) if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin") # ld64's implementation of -dead_strip breaks tools that use plugins. set_property(TARGET ${target_name} APPEND_STRING PROPERTY LINK_FLAGS " -Wl,-dead_strip") elseif(${CMAKE_SYSTEM_NAME} MATCHES "SunOS") set_property(TARGET ${target_name} APPEND_STRING PROPERTY LINK_FLAGS " -Wl,-z -Wl,discard-unused=sections") elseif(NOT WIN32 AND NOT LLVM_LINKER_IS_GOLD) # Object files are compiled with -ffunction-data-sections. # Versions of bfd ld < 2.23.1 have a bug in --gc-sections that breaks # tools that use plugins. Always pass --gc-sections once we require # a newer linker. set_property(TARGET ${target_name} APPEND_STRING PROPERTY LINK_FLAGS " -Wl,--gc-sections") endif() endif() endif() endfunction(add_link_opts) # Set each output directory according to ${CMAKE_CONFIGURATION_TYPES}. # Note: Don't set variables CMAKE_*_OUTPUT_DIRECTORY any more, # or a certain builder, for eaxample, msbuild.exe, would be confused. function(set_output_directory target) cmake_parse_arguments(ARG "" "BINARY_DIR;LIBRARY_DIR;" "" ${ARGN}) # module_dir -- corresponding to LIBRARY_OUTPUT_DIRECTORY. # It affects output of add_library(MODULE). if(WIN32 OR CYGWIN) # DLL platform set(module_dir ${ARG_BINARY_DIR}) else() set(module_dir ${ARG_LIBRARY_DIR}) endif() if(NOT "${CMAKE_CFG_INTDIR}" STREQUAL ".") foreach(build_mode ${CMAKE_CONFIGURATION_TYPES}) string(TOUPPER "${build_mode}" CONFIG_SUFFIX) if(ARG_BINARY_DIR) string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} bi ${ARG_BINARY_DIR}) set_target_properties(${target} PROPERTIES "RUNTIME_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${bi}) endif() if(ARG_LIBRARY_DIR) string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} li ${ARG_LIBRARY_DIR}) set_target_properties(${target} PROPERTIES "ARCHIVE_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${li}) endif() if(module_dir) string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} mi ${module_dir}) set_target_properties(${target} PROPERTIES "LIBRARY_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${mi}) endif() endforeach() else() if(ARG_BINARY_DIR) set_target_properties(${target} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${ARG_BINARY_DIR}) endif() if(ARG_LIBRARY_DIR) set_target_properties(${target} PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ${ARG_LIBRARY_DIR}) endif() if(module_dir) set_target_properties(${target} PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${module_dir}) endif() endif() endfunction() # If on Windows and building with MSVC, add the resource script containing the # VERSIONINFO data to the project. This embeds version resource information # into the output .exe or .dll. # TODO: Enable for MinGW Windows builds too. # function(add_windows_version_resource_file OUT_VAR) set(sources ${ARGN}) if (MSVC) set(resource_file ${LLVM_SOURCE_DIR}/resources/windows_version_resource.rc) if(EXISTS ${resource_file}) set(sources ${sources} ${resource_file}) source_group("Resource Files" ${resource_file}) set(windows_resource_file ${resource_file} PARENT_SCOPE) endif() endif(MSVC) set(${OUT_VAR} ${sources} PARENT_SCOPE) endfunction(add_windows_version_resource_file) # set_windows_version_resource_properties(name resource_file... # VERSION_MAJOR int # Optional major version number (defaults to LLVM_VERSION_MAJOR) # VERSION_MINOR int # Optional minor version number (defaults to LLVM_VERSION_MINOR) # VERSION_PATCHLEVEL int # Optional patchlevel version number (defaults to LLVM_VERSION_PATCH) # VERSION_STRING # Optional version string (defaults to PACKAGE_VERSION) # PRODUCT_NAME # Optional product name string (defaults to "LLVM") # ) function(set_windows_version_resource_properties name resource_file) cmake_parse_arguments(ARG "" "VERSION_MAJOR;VERSION_MINOR;VERSION_PATCHLEVEL;VERSION_STRING;PRODUCT_NAME" "" ${ARGN}) if (NOT DEFINED ARG_VERSION_MAJOR) set(ARG_VERSION_MAJOR ${LLVM_VERSION_MAJOR}) endif() if (NOT DEFINED ARG_VERSION_MINOR) set(ARG_VERSION_MINOR ${LLVM_VERSION_MINOR}) endif() if (NOT DEFINED ARG_VERSION_PATCHLEVEL) set(ARG_VERSION_PATCHLEVEL ${LLVM_VERSION_PATCH}) endif() if (NOT DEFINED ARG_VERSION_STRING) set(ARG_VERSION_STRING ${PACKAGE_VERSION}) endif() if (NOT DEFINED ARG_PRODUCT_NAME) set(ARG_PRODUCT_NAME "LLVM") endif() set_property(SOURCE ${resource_file} PROPERTY COMPILE_FLAGS /nologo) set_property(SOURCE ${resource_file} PROPERTY COMPILE_DEFINITIONS "RC_VERSION_FIELD_1=${ARG_VERSION_MAJOR}" "RC_VERSION_FIELD_2=${ARG_VERSION_MINOR}" "RC_VERSION_FIELD_3=${ARG_VERSION_PATCHLEVEL}" "RC_VERSION_FIELD_4=0" "RC_FILE_VERSION=\"${ARG_VERSION_STRING}\"" "RC_INTERNAL_NAME=\"${name}\"" "RC_PRODUCT_NAME=\"${ARG_PRODUCT_NAME}\"" "RC_PRODUCT_VERSION=\"${ARG_VERSION_STRING}\"") endfunction(set_windows_version_resource_properties) # llvm_add_library(name sources... # SHARED;STATIC # STATIC by default w/o BUILD_SHARED_LIBS. # SHARED by default w/ BUILD_SHARED_LIBS. # MODULE # Target ${name} might not be created on unsupported platforms. # Check with "if(TARGET ${name})". # DISABLE_LLVM_LINK_LLVM_DYLIB # Do not link this library to libLLVM, even if # LLVM_LINK_LLVM_DYLIB is enabled. # OUTPUT_NAME name # Corresponds to OUTPUT_NAME in target properties. # DEPENDS targets... # Same semantics as add_dependencies(). # LINK_COMPONENTS components... # Same as the variable LLVM_LINK_COMPONENTS. # LINK_LIBS lib_targets... # Same semantics as target_link_libraries(). # ADDITIONAL_HEADERS # May specify header files for IDE generators. # ) function(llvm_add_library name) cmake_parse_arguments(ARG "MODULE;SHARED;STATIC;DISABLE_LLVM_LINK_LLVM_DYLIB" "OUTPUT_NAME" "ADDITIONAL_HEADERS;DEPENDS;LINK_COMPONENTS;LINK_LIBS;OBJLIBS" ${ARGN}) list(APPEND LLVM_COMMON_DEPENDS ${ARG_DEPENDS}) if(ARG_ADDITIONAL_HEADERS) # Pass through ADDITIONAL_HEADERS. set(ARG_ADDITIONAL_HEADERS ADDITIONAL_HEADERS ${ARG_ADDITIONAL_HEADERS}) endif() if(ARG_OBJLIBS) set(ALL_FILES ${ARG_OBJLIBS}) else() llvm_process_sources(ALL_FILES ${ARG_UNPARSED_ARGUMENTS} ${ARG_ADDITIONAL_HEADERS}) endif() if(ARG_MODULE) if(ARG_SHARED OR ARG_STATIC) message(WARNING "MODULE with SHARED|STATIC doesn't make sense.") endif() if(NOT LLVM_ENABLE_PLUGINS) message(STATUS "${name} ignored -- Loadable modules not supported on this platform.") return() endif() else() if(BUILD_SHARED_LIBS AND NOT ARG_STATIC) set(ARG_SHARED TRUE) endif() if(NOT ARG_SHARED) set(ARG_STATIC TRUE) endif() endif() # Generate objlib if(ARG_SHARED AND ARG_STATIC) # Generate an obj library for both targets. set(obj_name "obj.${name}") add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL ${ALL_FILES} ) llvm_update_compile_flags(${obj_name}) set(ALL_FILES "$") # Do add_dependencies(obj) later due to CMake issue 14747. list(APPEND objlibs ${obj_name}) set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries") endif() if(ARG_SHARED AND ARG_STATIC) # static set(name_static "${name}_static") if(ARG_OUTPUT_NAME) set(output_name OUTPUT_NAME "${ARG_OUTPUT_NAME}") endif() # DEPENDS has been appended to LLVM_COMMON_LIBS. llvm_add_library(${name_static} STATIC ${output_name} OBJLIBS ${ALL_FILES} # objlib LINK_LIBS ${ARG_LINK_LIBS} LINK_COMPONENTS ${ARG_LINK_COMPONENTS} ) # FIXME: Add name_static to anywhere in TARGET ${name}'s PROPERTY. set(ARG_STATIC) endif() if(ARG_MODULE) add_library(${name} MODULE ${ALL_FILES}) elseif(ARG_SHARED) add_windows_version_resource_file(ALL_FILES ${ALL_FILES}) add_library(${name} SHARED ${ALL_FILES}) else() add_library(${name} STATIC ${ALL_FILES}) endif() if(DEFINED windows_resource_file) set_windows_version_resource_properties(${name} ${windows_resource_file}) set(windows_resource_file ${windows_resource_file} PARENT_SCOPE) endif() set_output_directory(${name} BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR} LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}) # $ doesn't require compile flags. if(NOT obj_name) llvm_update_compile_flags(${name}) endif() add_link_opts( ${name} ) if(ARG_OUTPUT_NAME) set_target_properties(${name} PROPERTIES OUTPUT_NAME ${ARG_OUTPUT_NAME} ) endif() if(ARG_MODULE) set_target_properties(${name} PROPERTIES PREFIX "" SUFFIX ${LLVM_PLUGIN_EXT} ) endif() if(ARG_SHARED) if(WIN32) set_target_properties(${name} PROPERTIES PREFIX "" ) endif() set_target_properties(${name} PROPERTIES SOVERSION ${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR} VERSION ${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}${LLVM_VERSION_SUFFIX}) endif() if(ARG_MODULE OR ARG_SHARED) # Do not add -Dname_EXPORTS to the command-line when building files in this # target. Doing so is actively harmful for the modules build because it # creates extra module variants, and not useful because we don't use these # macros. set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" ) if (LLVM_EXPORTED_SYMBOL_FILE) add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} ) endif() endif() # Add the explicit dependency information for this library. # # It would be nice to verify that we have the dependencies for this library # name, but using get_property(... SET) doesn't suffice to determine if a # property has been set to an empty value. get_property(lib_deps GLOBAL PROPERTY LLVMBUILD_LIB_DEPS_${name}) if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_STATIC AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB) set(llvm_libs LLVM) else() llvm_map_components_to_libnames(llvm_libs ${ARG_LINK_COMPONENTS} ${LLVM_LINK_COMPONENTS} ) endif() if(CMAKE_VERSION VERSION_LESS 2.8.12) # Link libs w/o keywords, assuming PUBLIC. target_link_libraries(${name} ${ARG_LINK_LIBS} ${lib_deps} ${llvm_libs} ) elseif(ARG_STATIC) target_link_libraries(${name} INTERFACE ${ARG_LINK_LIBS} ${lib_deps} ${llvm_libs} ) else() # We can use PRIVATE since SO knows its dependent libs. target_link_libraries(${name} PRIVATE ${ARG_LINK_LIBS} ${lib_deps} ${llvm_libs} ) endif() if(LLVM_COMMON_DEPENDS) add_dependencies(${name} ${LLVM_COMMON_DEPENDS}) # Add dependencies also to objlibs. # CMake issue 14747 -- add_dependencies() might be ignored to objlib's user. foreach(objlib ${objlibs}) add_dependencies(${objlib} ${LLVM_COMMON_DEPENDS}) endforeach() endif() endfunction() macro(add_llvm_library name) cmake_parse_arguments(ARG "SHARED" "" "" ${ARGN}) if( BUILD_SHARED_LIBS ) llvm_add_library(${name} SHARED ${ARGN}) else() llvm_add_library(${name} ${ARGN}) endif() # The gtest libraries should not be installed or exported as a target if ("${name}" STREQUAL gtest OR "${name}" STREQUAL gtest_main) set(_is_gtest TRUE) else() set(_is_gtest FALSE) set_property( GLOBAL APPEND PROPERTY LLVM_LIBS ${name} ) endif() if( EXCLUDE_FROM_ALL ) set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON) elseif(NOT _is_gtest) if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ${name} STREQUAL "LTO") if(ARG_SHARED OR BUILD_SHARED_LIBS) if(WIN32 OR CYGWIN) set(install_type RUNTIME) else() set(install_type LIBRARY) endif() else() set(install_type ARCHIVE) endif() install(TARGETS ${name} EXPORT LLVMExports ${install_type} DESTINATION lib${LLVM_LIBDIR_SUFFIX} COMPONENT ${name}) if (NOT CMAKE_CONFIGURATION_TYPES) add_custom_target(install-${name} DEPENDS ${name} COMMAND "${CMAKE_COMMAND}" -DCMAKE_INSTALL_COMPONENT=${name} -P "${CMAKE_BINARY_DIR}/cmake_install.cmake") endif() endif() set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) endif() set_target_properties(${name} PROPERTIES FOLDER "Libraries") endmacro(add_llvm_library name) macro(add_llvm_loadable_module name) llvm_add_library(${name} MODULE ${ARGN}) if(NOT TARGET ${name}) # Add empty "phony" target add_custom_target(${name}) else() if( EXCLUDE_FROM_ALL ) set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON) else() if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY) if(WIN32 OR CYGWIN) # DLL platform set(dlldir "bin") else() set(dlldir "lib${LLVM_LIBDIR_SUFFIX}") endif() install(TARGETS ${name} EXPORT LLVMExports LIBRARY DESTINATION ${dlldir} ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX}) endif() set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) endif() endif() set_target_properties(${name} PROPERTIES FOLDER "Loadable modules") endmacro(add_llvm_loadable_module name) macro(add_llvm_executable name) cmake_parse_arguments(ARG "DISABLE_LLVM_LINK_LLVM_DYLIB" "" "" ${ARGN}) llvm_process_sources( ALL_FILES ${ARG_UNPARSED_ARGUMENTS} ) # Generate objlib if(LLVM_ENABLE_OBJLIB) # Generate an obj library for both targets. set(obj_name "obj.${name}") add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL ${ALL_FILES} ) llvm_update_compile_flags(${obj_name}) set(ALL_FILES "$") set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries") endif() add_windows_version_resource_file(ALL_FILES ${ALL_FILES}) if(XCODE) # Note: the dummy.cpp source file provides no definitions. However, # it forces Xcode to properly link the static library. list(APPEND ALL_FILES "${LLVM_MAIN_SRC_DIR}/cmake/dummy.cpp") endif() if( EXCLUDE_FROM_ALL ) add_executable(${name} EXCLUDE_FROM_ALL ${ALL_FILES}) else() add_executable(${name} ${ALL_FILES}) endif() if(DEFINED windows_resource_file) set_windows_version_resource_properties(${name} ${windows_resource_file}) endif() # $ doesn't require compile flags. if(NOT LLVM_ENABLE_OBJLIB) llvm_update_compile_flags(${name}) endif() add_link_opts( ${name} ) # Do not add -Dname_EXPORTS to the command-line when building files in this # target. Doing so is actively harmful for the modules build because it # creates extra module variants, and not useful because we don't use these # macros. set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" ) if (LLVM_EXPORTED_SYMBOL_FILE) add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} ) endif(LLVM_EXPORTED_SYMBOL_FILE) if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB) set(USE_SHARED USE_SHARED) endif() set(EXCLUDE_FROM_ALL OFF) set_output_directory(${name} BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR} LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}) llvm_config( ${name} ${USE_SHARED} ${LLVM_LINK_COMPONENTS} ) if( LLVM_COMMON_DEPENDS ) add_dependencies( ${name} ${LLVM_COMMON_DEPENDS} ) endif( LLVM_COMMON_DEPENDS ) endmacro(add_llvm_executable name) function(export_executable_symbols target) if (NOT MSVC) # MSVC's linker doesn't support exporting all symbols. set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1) endif() endfunction() if(NOT LLVM_TOOLCHAIN_TOOLS) set (LLVM_TOOLCHAIN_TOOLS llvm-ar llvm-ranlib llvm-lib llvm-objdump ) endif() macro(add_llvm_tool name) if( NOT LLVM_BUILD_TOOLS ) set(EXCLUDE_FROM_ALL ON) endif() add_llvm_executable(${name} ${ARGN}) list(FIND LLVM_TOOLCHAIN_TOOLS ${name} LLVM_IS_${name}_TOOLCHAIN_TOOL) if (LLVM_IS_${name}_TOOLCHAIN_TOOL GREATER -1 OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY) if( LLVM_BUILD_TOOLS ) install(TARGETS ${name} EXPORT LLVMExports RUNTIME DESTINATION bin COMPONENT ${name}) if (NOT CMAKE_CONFIGURATION_TYPES) add_custom_target(install-${name} DEPENDS ${name} COMMAND "${CMAKE_COMMAND}" -DCMAKE_INSTALL_COMPONENT=${name} -P "${CMAKE_BINARY_DIR}/cmake_install.cmake") endif() endif() endif() if( LLVM_BUILD_TOOLS ) set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) endif() set_target_properties(${name} PROPERTIES FOLDER "Tools") endmacro(add_llvm_tool name) macro(add_llvm_example name) if( NOT LLVM_BUILD_EXAMPLES ) set(EXCLUDE_FROM_ALL ON) endif() add_llvm_executable(${name} ${ARGN}) if( LLVM_BUILD_EXAMPLES ) install(TARGETS ${name} RUNTIME DESTINATION examples) endif() set_target_properties(${name} PROPERTIES FOLDER "Examples") endmacro(add_llvm_example name) macro(add_llvm_utility name) add_llvm_executable(${name} DISABLE_LLVM_LINK_LLVM_DYLIB ${ARGN}) set_target_properties(${name} PROPERTIES FOLDER "Utils") if( LLVM_INSTALL_UTILS ) install (TARGETS ${name} RUNTIME DESTINATION bin COMPONENT ${name}) if (NOT CMAKE_CONFIGURATION_TYPES) add_custom_target(install-${name} DEPENDS ${name} COMMAND "${CMAKE_COMMAND}" -DCMAKE_INSTALL_COMPONENT=${name} -P "${CMAKE_BINARY_DIR}/cmake_install.cmake") endif() endif() endmacro(add_llvm_utility name) macro(add_llvm_target target_name) include_directories(BEFORE ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}) add_llvm_library(LLVM${target_name} ${ARGN}) set( CURRENT_LLVM_TARGET LLVM${target_name} ) endmacro(add_llvm_target) function(canonicalize_tool_name name output) string(REPLACE "${CMAKE_CURRENT_SOURCE_DIR}/" "" nameStrip ${name}) string(REPLACE "-" "_" nameUNDERSCORE ${nameStrip}) string(TOUPPER ${nameUNDERSCORE} nameUPPER) set(${output} "${nameUPPER}" PARENT_SCOPE) endfunction(canonicalize_tool_name) # Custom add_subdirectory wrapper # Takes in a project name (i.e. LLVM), the the subdirectory name, and an # and an optional path if it differs from the name. macro(add_llvm_subdirectory project type name) set(add_llvm_external_dir "${ARGN}") if("${add_llvm_external_dir}" STREQUAL "") set(add_llvm_external_dir ${name}) endif() canonicalize_tool_name(${name} nameUPPER) if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir}/CMakeLists.txt) # Treat it as in-tree subproject. option(${project}_${type}_${nameUPPER}_BUILD "Whether to build ${name} as part of ${project}" On) mark_as_advanced(${project}_${type}_${name}_BUILD) if(${project}_${type}_${nameUPPER}_BUILD) add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir} ${add_llvm_external_dir}) # Don't process it in add_llvm_implicit_projects(). set(${project}_${type}_${nameUPPER}_BUILD OFF) endif() else() set(LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR "${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}" CACHE PATH "Path to ${name} source directory") set(${project}_${type}_${nameUPPER}_BUILD_DEFAULT ON) if(NOT LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR OR NOT EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}) set(${project}_${type}_${nameUPPER}_BUILD_DEFAULT OFF) endif() if("${LLVM_EXTERNAL_${nameUPPER}_BUILD}" STREQUAL "OFF") set(${project}_${type}_${nameUPPER}_BUILD_DEFAULT OFF) endif() option(${project}_${type}_${nameUPPER}_BUILD "Whether to build ${name} as part of LLVM" ${${project}_${type}_${nameUPPER}_BUILD_DEFAULT}) if (${project}_${type}_${nameUPPER}_BUILD) if(EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}) add_subdirectory(${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR} ${add_llvm_external_dir}) elseif(NOT "${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}" STREQUAL "") message(WARNING "Nonexistent directory for ${name}: ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}") endif() # FIXME: It'd be redundant. set(${project}_${type}_${nameUPPER}_BUILD Off) endif() endif() endmacro() # Add external project that may want to be built as part of llvm such as Clang, # lld, and Polly. This adds two options. One for the source directory of the # project, which defaults to ${CMAKE_CURRENT_SOURCE_DIR}/${name}. Another to # enable or disable building it with everything else. # Additional parameter can be specified as the name of directory. macro(add_llvm_external_project name) add_llvm_subdirectory(LLVM TOOL ${name} ${ARGN}) endmacro() macro(add_llvm_tool_subdirectory name) add_llvm_external_project(${name}) endmacro(add_llvm_tool_subdirectory) function(get_project_name_from_src_var var output) string(REGEX MATCH "LLVM_EXTERNAL_(.*)_SOURCE_DIR" MACHED_TOOL "${var}") if(MACHED_TOOL) set(${output} ${CMAKE_MATCH_1} PARENT_SCOPE) else() set(${output} PARENT_SCOPE) endif() endfunction() function(create_subdirectory_options project type) file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*") foreach(dir ${sub-dirs}) if(IS_DIRECTORY "${dir}" AND EXISTS "${dir}/CMakeLists.txt") canonicalize_tool_name(${dir} name) option(${project}_${type}_${name}_BUILD "Whether to build ${name} as part of ${project}" On) mark_as_advanced(${project}_${type}_${name}_BUILD) endif() endforeach() endfunction(create_subdirectory_options) function(create_llvm_tool_options) create_subdirectory_options(LLVM TOOL) endfunction(create_llvm_tool_options) function(add_llvm_implicit_projects) set(list_of_implicit_subdirs "") file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*") foreach(dir ${sub-dirs}) if(IS_DIRECTORY "${dir}" AND EXISTS "${dir}/CMakeLists.txt") canonicalize_tool_name(${dir} name) if (LLVM_TOOL_${name}_BUILD) get_filename_component(fn "${dir}" NAME) list(APPEND list_of_implicit_subdirs "${fn}") endif() endif() endforeach() foreach(external_proj ${list_of_implicit_subdirs}) add_llvm_external_project("${external_proj}") endforeach() endfunction(add_llvm_implicit_projects) # Generic support for adding a unittest. function(add_unittest test_suite test_name) if( NOT LLVM_BUILD_TESTS ) set(EXCLUDE_FROM_ALL ON) endif() include_directories(${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest/include) if (NOT LLVM_ENABLE_THREADS) list(APPEND LLVM_COMPILE_DEFINITIONS GTEST_HAS_PTHREAD=0) endif () if (SUPPORTS_NO_VARIADIC_MACROS_FLAG) list(APPEND LLVM_COMPILE_FLAGS "-Wno-variadic-macros") endif () set(LLVM_REQUIRES_RTTI OFF) add_llvm_executable(${test_name} ${ARGN}) set(outdir ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}) set_output_directory(${test_name} BINARY_DIR ${outdir} LIBRARY_DIR ${outdir}) target_link_libraries(${test_name} gtest gtest_main LLVMSupport # gtest needs it for raw_ostream. ) add_dependencies(${test_suite} ${test_name}) get_target_property(test_suite_folder ${test_suite} FOLDER) if (NOT ${test_suite_folder} STREQUAL "NOTFOUND") set_property(TARGET ${test_name} PROPERTY FOLDER "${test_suite_folder}") endif () endfunction() function(llvm_add_go_executable binary pkgpath) cmake_parse_arguments(ARG "ALL" "" "DEPENDS;GOFLAGS" ${ARGN}) if(LLVM_BINDINGS MATCHES "go") # FIXME: This should depend only on the libraries Go needs. get_property(llvmlibs GLOBAL PROPERTY LLVM_LIBS) set(binpath ${CMAKE_BINARY_DIR}/bin/${binary}${CMAKE_EXECUTABLE_SUFFIX}) set(cc "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}") set(cxx "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}") set(cppflags "") get_property(include_dirs DIRECTORY PROPERTY INCLUDE_DIRECTORIES) foreach(d ${include_dirs}) set(cppflags "${cppflags} -I${d}") endforeach(d) set(ldflags "${CMAKE_EXE_LINKER_FLAGS}") if (LLVM_LINK_LLVM_DYLIB) set(linkmode "dylib") else() set(linkmode "component-libs") endif() add_custom_command(OUTPUT ${binpath} COMMAND ${CMAKE_BINARY_DIR}/bin/llvm-go "go=${GO_EXECUTABLE}" "cc=${cc}" "cxx=${cxx}" "cppflags=${cppflags}" "ldflags=${ldflags}" "linkmode=${linkmode}" ${ARG_GOFLAGS} build -o ${binpath} ${pkgpath} DEPENDS llvm-config ${CMAKE_BINARY_DIR}/bin/llvm-go${CMAKE_EXECUTABLE_SUFFIX} ${llvmlibs} ${ARG_DEPENDS} COMMENT "Building Go executable ${binary}" VERBATIM) if (ARG_ALL) add_custom_target(${binary} ALL DEPENDS ${binpath}) else() add_custom_target(${binary} DEPENDS ${binpath}) endif() endif() endfunction() # This function provides an automatic way to 'configure'-like generate a file # based on a set of common and custom variables, specifically targeting the # variables needed for the 'lit.site.cfg' files. This function bundles the # common variables that any Lit instance is likely to need, and custom # variables can be passed in. function(configure_lit_site_cfg input output) foreach(c ${LLVM_TARGETS_TO_BUILD}) set(TARGETS_BUILT "${TARGETS_BUILT} ${c}") endforeach(c) set(TARGETS_TO_BUILD ${TARGETS_BUILT}) set(SHLIBEXT "${LTDL_SHLIB_EXT}") # Configuration-time: See Unit/lit.site.cfg.in if (CMAKE_CFG_INTDIR STREQUAL ".") set(LLVM_BUILD_MODE ".") else () set(LLVM_BUILD_MODE "%(build_mode)s") endif () # They below might not be the build tree but provided binary tree. set(LLVM_SOURCE_DIR ${LLVM_MAIN_SRC_DIR}) set(LLVM_BINARY_DIR ${LLVM_BINARY_DIR}) string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLVM_TOOLS_DIR ${LLVM_TOOLS_BINARY_DIR}) string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLVM_LIBS_DIR ${LLVM_LIBRARY_DIR}) # SHLIBDIR points the build tree. string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} SHLIBDIR "${LLVM_SHLIB_OUTPUT_INTDIR}") set(PYTHON_EXECUTABLE ${PYTHON_EXECUTABLE}) # FIXME: "ENABLE_SHARED" doesn't make sense, since it is used just for # plugins. We may rename it. if(LLVM_ENABLE_PLUGINS) set(ENABLE_SHARED "1") else() set(ENABLE_SHARED "0") endif() if(LLVM_ENABLE_ASSERTIONS AND NOT MSVC_IDE) set(ENABLE_ASSERTIONS "1") else() set(ENABLE_ASSERTIONS "0") endif() set(HOST_OS ${CMAKE_SYSTEM_NAME}) set(HOST_ARCH ${CMAKE_SYSTEM_PROCESSOR}) set(HOST_CC "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}") set(HOST_CXX "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}") set(HOST_LDFLAGS "${CMAKE_EXE_LINKER_FLAGS}") configure_file(${input} ${output} @ONLY) endfunction() # A raw function to create a lit target. This is used to implement the testuite # management functions. function(add_lit_target target comment) cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) set(LIT_ARGS "${ARG_ARGS} ${LLVM_LIT_ARGS}") separate_arguments(LIT_ARGS) if (NOT CMAKE_CFG_INTDIR STREQUAL ".") list(APPEND LIT_ARGS --param build_mode=${CMAKE_CFG_INTDIR}) endif () if (LLVM_MAIN_SRC_DIR) set (LIT_COMMAND ${PYTHON_EXECUTABLE} ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py) else() find_program(LIT_COMMAND llvm-lit) endif () list(APPEND LIT_COMMAND ${LIT_ARGS}) foreach(param ${ARG_PARAMS}) list(APPEND LIT_COMMAND --param ${param}) endforeach() if (ARG_UNPARSED_ARGUMENTS) add_custom_target(${target} COMMAND ${LIT_COMMAND} ${ARG_UNPARSED_ARGUMENTS} COMMENT "${comment}" ${cmake_3_2_USES_TERMINAL} ) else() add_custom_target(${target} COMMAND ${CMAKE_COMMAND} -E echo "${target} does nothing, no tools built.") message(STATUS "${target} does nothing.") endif() if (ARG_DEPENDS) add_dependencies(${target} ${ARG_DEPENDS}) endif() # Tests should be excluded from "Build Solution". set_target_properties(${target} PROPERTIES EXCLUDE_FROM_DEFAULT_BUILD ON) endfunction() # A function to add a set of lit test suites to be driven through 'check-*' targets. function(add_lit_testsuite target comment) cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) # EXCLUDE_FROM_ALL excludes the test ${target} out of check-all. if(NOT EXCLUDE_FROM_ALL) # Register the testsuites, params and depends for the global check rule. set_property(GLOBAL APPEND PROPERTY LLVM_LIT_TESTSUITES ${ARG_UNPARSED_ARGUMENTS}) set_property(GLOBAL APPEND PROPERTY LLVM_LIT_PARAMS ${ARG_PARAMS}) set_property(GLOBAL APPEND PROPERTY LLVM_LIT_DEPENDS ${ARG_DEPENDS}) set_property(GLOBAL APPEND PROPERTY LLVM_LIT_EXTRA_ARGS ${ARG_ARGS}) endif() # Produce a specific suffixed check rule. add_lit_target(${target} ${comment} ${ARG_UNPARSED_ARGUMENTS} PARAMS ${ARG_PARAMS} DEPENDS ${ARG_DEPENDS} ARGS ${ARG_ARGS} ) endfunction() function(add_lit_testsuites project directory) if (NOT CMAKE_CONFIGURATION_TYPES) cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN}) file(GLOB_RECURSE litCfg ${directory}/lit*.cfg) set(lit_suites) foreach(f ${litCfg}) get_filename_component(dir ${f} DIRECTORY) set(lit_suites ${lit_suites} ${dir}) endforeach() list(REMOVE_DUPLICATES lit_suites) foreach(dir ${lit_suites}) string(REPLACE ${directory} "" name_slash ${dir}) if (name_slash) string(REPLACE "/" "-" name_slash ${name_slash}) string(REPLACE "\\" "-" name_dashes ${name_slash}) string(TOLOWER "${project}${name_dashes}" name_var) add_lit_target("check-${name_var}" "Running lit suite ${dir}" ${dir} PARAMS ${ARG_PARAMS} DEPENDS ${ARG_DEPENDS} ARGS ${ARG_ARGS} ) endif() endforeach() endif() endfunction() function(llvm_install_symlink name dest) cmake_parse_arguments(ARG "ALWAYS_GENERATE" "" "" ${ARGN}) foreach(path ${CMAKE_MODULE_PATH}) if(EXISTS ${path}/LLVMInstallSymlink.cmake) set(INSTALL_SYMLINK ${path}/LLVMInstallSymlink.cmake) break() endif() endforeach() if(ARG_ALWAYS_GENERATE) set(component ${dest}) else() set(component ${name}) endif() set(full_name ${name}${CMAKE_EXECUTABLE_SUFFIX}) set(full_dest ${dest}${CMAKE_EXECUTABLE_SUFFIX}) install(SCRIPT ${INSTALL_SYMLINK} CODE "install_symlink(${full_name} ${full_dest} bin)" COMPONENT ${component}) if (NOT CMAKE_CONFIGURATION_TYPES AND NOT ARG_ALWAYS_GENERATE) add_custom_target(install-${name} DEPENDS ${name} ${dest} install-${dest} COMMAND "${CMAKE_COMMAND}" -DCMAKE_INSTALL_COMPONENT=${name} -P "${CMAKE_BINARY_DIR}/cmake_install.cmake") endif() endfunction() function(add_llvm_tool_symlink name dest) cmake_parse_arguments(ARG "ALWAYS_GENERATE" "" "" ${ARGN}) if(UNIX) set(LLVM_LINK_OR_COPY create_symlink) set(dest_binary "${dest}${CMAKE_EXECUTABLE_SUFFIX}") else() set(LLVM_LINK_OR_COPY copy) set(dest_binary "${LLVM_RUNTIME_OUTPUT_INTDIR}/${dest}${CMAKE_EXECUTABLE_SUFFIX}") endif() set(output_path "${LLVM_RUNTIME_OUTPUT_INTDIR}/${name}${CMAKE_EXECUTABLE_SUFFIX}") if(ARG_ALWAYS_GENERATE) set_property(DIRECTORY APPEND PROPERTY ADDITIONAL_MAKE_CLEAN_FILES ${dest_binary}) add_custom_command(TARGET ${dest} POST_BUILD COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}") else() add_custom_command(OUTPUT ${output_path} COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${dest_binary}" "${output_path}" DEPENDS ${dest}) add_custom_target(${name} ALL DEPENDS ${output_path}) set_target_properties(${name} PROPERTIES FOLDER Tools) # Make sure the parent tool is a toolchain tool, otherwise exclude this tool list(FIND LLVM_TOOLCHAIN_TOOLS ${dest} LLVM_IS_${dest}_TOOLCHAIN_TOOL) if (NOT LLVM_IS_${dest}_TOOLCHAIN_TOOL GREATER -1) set(LLVM_IS_${name}_TOOLCHAIN_TOOL ${LLVM_IS_${dest}_TOOLCHAIN_TOOL}) else() list(FIND LLVM_TOOLCHAIN_TOOLS ${name} LLVM_IS_${name}_TOOLCHAIN_TOOL) endif() # LLVM_IS_${name}_TOOLCHAIN_TOOL will only be greater than -1 if both this # tool and its parent tool are in LLVM_TOOLCHAIN_TOOLS if (LLVM_IS_${name}_TOOLCHAIN_TOOL GREATER -1 OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY) if( LLVM_BUILD_TOOLS ) llvm_install_symlink(${name} ${dest}) endif() endif() endif() endfunction()