cmake_minimum_required(VERSION 2.8.8) # FIXME: It may be removed when we use 2.8.12. if(CMAKE_VERSION VERSION_LESS 2.8.12) # Invalidate a couple of keywords. set(cmake_2_8_12_INTERFACE) set(cmake_2_8_12_PRIVATE) else() # Use ${cmake_2_8_12_KEYWORD} intead of KEYWORD in target_link_libraries(). set(cmake_2_8_12_INTERFACE INTERFACE) set(cmake_2_8_12_PRIVATE PRIVATE) if(POLICY CMP0022) cmake_policy(SET CMP0022 NEW) # automatic when 2.8.12 is required endif() endif() # If we are not building as a part of LLVM, build Clang as an # standalone project, using LLVM as an external library: if( CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR ) project(Clang) # Rely on llvm-config. set(CONFIG_OUTPUT) find_program(LLVM_CONFIG "llvm-config") if(LLVM_CONFIG) message(STATUS "Found LLVM_CONFIG as ${LLVM_CONFIG}") set(CONFIG_COMMAND ${LLVM_CONFIG} "--assertion-mode" "--bindir" "--libdir" "--includedir" "--prefix" "--src-root") execute_process( COMMAND ${CONFIG_COMMAND} RESULT_VARIABLE HAD_ERROR OUTPUT_VARIABLE CONFIG_OUTPUT ) if(NOT HAD_ERROR) string(REGEX REPLACE "[ \t]*[\r\n]+[ \t]*" ";" CONFIG_OUTPUT ${CONFIG_OUTPUT}) else() string(REPLACE ";" " " CONFIG_COMMAND_STR "${CONFIG_COMMAND}") message(STATUS "${CONFIG_COMMAND_STR}") message(FATAL_ERROR "llvm-config failed with status ${HAD_ERROR}") endif() else() message(FATAL_ERROR "llvm-config not found -- ${LLVM_CONFIG}") endif() list(GET CONFIG_OUTPUT 0 ENABLE_ASSERTIONS) list(GET CONFIG_OUTPUT 1 TOOLS_BINARY_DIR) list(GET CONFIG_OUTPUT 2 LIBRARY_DIR) list(GET CONFIG_OUTPUT 3 INCLUDE_DIR) list(GET CONFIG_OUTPUT 4 LLVM_OBJ_ROOT) list(GET CONFIG_OUTPUT 5 MAIN_SRC_DIR) if(NOT MSVC_IDE) set(LLVM_ENABLE_ASSERTIONS ${ENABLE_ASSERTIONS} CACHE BOOL "Enable assertions") # Assertions should follow llvm-config's. mark_as_advanced(LLVM_ENABLE_ASSERTIONS) endif() set(LLVM_TOOLS_BINARY_DIR ${TOOLS_BINARY_DIR} CACHE PATH "Path to llvm/bin") set(LLVM_LIBRARY_DIR ${LIBRARY_DIR} CACHE PATH "Path to llvm/lib") set(LLVM_MAIN_INCLUDE_DIR ${INCLUDE_DIR} CACHE PATH "Path to llvm/include") set(LLVM_BINARY_DIR ${LLVM_OBJ_ROOT} CACHE PATH "Path to LLVM build tree") set(LLVM_MAIN_SRC_DIR ${MAIN_SRC_DIR} CACHE PATH "Path to LLVM source tree") find_program(LLVM_TABLEGEN_EXE "llvm-tblgen" ${LLVM_TOOLS_BINARY_DIR} NO_DEFAULT_PATH) set(LLVM_CMAKE_PATH "${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX}/cmake/llvm") set(LLVMCONFIG_FILE "${LLVM_CMAKE_PATH}/LLVMConfig.cmake") if(EXISTS ${LLVMCONFIG_FILE}) list(APPEND CMAKE_MODULE_PATH "${LLVM_CMAKE_PATH}") include(${LLVMCONFIG_FILE}) else() message(FATAL_ERROR "Not found: ${LLVMCONFIG_FILE}") endif() # They are used as destination of target generators. set(LLVM_RUNTIME_OUTPUT_INTDIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/bin) set(LLVM_LIBRARY_OUTPUT_INTDIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib${LLVM_LIBDIR_SUFFIX}) if(WIN32 OR CYGWIN) # DLL platform -- put DLLs into bin. set(LLVM_SHLIB_OUTPUT_INTDIR ${LLVM_RUNTIME_OUTPUT_INTDIR}) else() set(LLVM_SHLIB_OUTPUT_INTDIR ${LLVM_LIBRARY_OUTPUT_INTDIR}) endif() option(LLVM_INSTALL_TOOLCHAIN_ONLY "Only include toolchain files in the 'install' target." OFF) option(LLVM_FORCE_USE_OLD_HOST_TOOLCHAIN "Set to ON to force using an old, unsupported host toolchain." OFF) option(CLANG_ENABLE_BOOTSTRAP "Generate the clang bootstrap target" OFF) include(AddLLVM) include(TableGen) include(HandleLLVMOptions) include(VersionFromVCS) set(PACKAGE_VERSION "${LLVM_PACKAGE_VERSION}") if (NOT DEFINED LLVM_INCLUDE_TESTS) set(LLVM_INCLUDE_TESTS ON) endif() include_directories("${LLVM_BINARY_DIR}/include" "${LLVM_MAIN_INCLUDE_DIR}") link_directories("${LLVM_LIBRARY_DIR}") set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin ) set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} ) set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} ) if(LLVM_INCLUDE_TESTS) set(Python_ADDITIONAL_VERSIONS 2.7) include(FindPythonInterp) if(NOT PYTHONINTERP_FOUND) message(FATAL_ERROR "Unable to find Python interpreter, required for builds and testing. Please install Python or specify the PYTHON_EXECUTABLE CMake variable.") endif() if( ${PYTHON_VERSION_STRING} VERSION_LESS 2.7 ) message(FATAL_ERROR "Python 2.7 or newer is required") endif() # Check prebuilt llvm/utils. if(EXISTS ${LLVM_TOOLS_BINARY_DIR}/FileCheck${CMAKE_EXECUTABLE_SUFFIX} AND EXISTS ${LLVM_TOOLS_BINARY_DIR}/count${CMAKE_EXECUTABLE_SUFFIX} AND EXISTS ${LLVM_TOOLS_BINARY_DIR}/not${CMAKE_EXECUTABLE_SUFFIX}) set(LLVM_UTILS_PROVIDED ON) endif() if(EXISTS ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py) set(LLVM_LIT ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py) if(NOT LLVM_UTILS_PROVIDED) add_subdirectory(${LLVM_MAIN_SRC_DIR}/utils/FileCheck utils/FileCheck) add_subdirectory(${LLVM_MAIN_SRC_DIR}/utils/count utils/count) add_subdirectory(${LLVM_MAIN_SRC_DIR}/utils/not utils/not) set(LLVM_UTILS_PROVIDED ON) set(CLANG_TEST_DEPS FileCheck count not) endif() set(UNITTEST_DIR ${LLVM_MAIN_SRC_DIR}/utils/unittest) if(EXISTS ${UNITTEST_DIR}/googletest/include/gtest/gtest.h AND NOT EXISTS ${LLVM_LIBRARY_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}gtest${CMAKE_STATIC_LIBRARY_SUFFIX} AND EXISTS ${UNITTEST_DIR}/CMakeLists.txt) add_subdirectory(${UNITTEST_DIR} utils/unittest) endif() else() # Seek installed Lit. find_program(LLVM_LIT "lit.py" ${LLVM_MAIN_SRC_DIR}/utils/lit DOC "Path to lit.py") endif() if(LLVM_LIT) # Define the default arguments to use with 'lit', and an option for the user # to override. set(LIT_ARGS_DEFAULT "-sv") if (MSVC OR XCODE) set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar") endif() set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit") # On Win32 hosts, provide an option to specify the path to the GnuWin32 tools. if( WIN32 AND NOT CYGWIN ) set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools") endif() else() set(LLVM_INCLUDE_TESTS OFF) endif() endif() set( CLANG_BUILT_STANDALONE 1 ) set(BACKEND_PACKAGE_STRING "LLVM ${LLVM_PACKAGE_VERSION}") else() set(BACKEND_PACKAGE_STRING "${PACKAGE_STRING}") endif() find_package(LibXml2 2.5.3 QUIET) if (LIBXML2_FOUND) set(CLANG_HAVE_LIBXML 1) endif() set(CLANG_RESOURCE_DIR "" CACHE STRING "Relative directory from the Clang binary to its resource files.") set(C_INCLUDE_DIRS "" CACHE STRING "Colon separated list of directories clang will search for headers.") set(GCC_INSTALL_PREFIX "" CACHE PATH "Directory where gcc is installed." ) set(DEFAULT_SYSROOT "" CACHE PATH "Default to all compiler invocations for --sysroot=." ) set(CLANG_DEFAULT_CXX_STDLIB "" CACHE STRING "Default C++ stdlib to use (empty for architecture default, \"libstdc++\" or \"libc++\"") if (NOT(CLANG_DEFAULT_CXX_STDLIB STREQUAL "" OR CLANG_DEFAULT_CXX_STDLIB STREQUAL "libstdc++" OR CLANG_DEFAULT_CXX_STDLIB STREQUAL "libc++")) message(WARNING "Resetting default C++ stdlib to use architecture default") set(CLANG_DEFAULT_CXX_STDLIB "") endif() set(CLANG_DEFAULT_OPENMP_RUNTIME "libomp" CACHE STRING "Default OpenMP runtime used by -fopenmp.") set(CLANG_VENDOR "" CACHE STRING "Vendor-specific text for showing with version information.") if( CLANG_VENDOR ) add_definitions( -DCLANG_VENDOR="${CLANG_VENDOR} " ) endif() set(CLANG_REPOSITORY_STRING "" CACHE STRING "Vendor-specific text for showing the repository the source is taken from.") if(CLANG_REPOSITORY_STRING) add_definitions(-DCLANG_REPOSITORY_STRING="${CLANG_REPOSITORY_STRING}") endif() option(CLANG_APPEND_VC_REV "Append the version control system revision id to clang version spew" OFF) if(CLANG_APPEND_VC_REV) if(NOT SVN_REVISION) # This macro will set SVN_REVISION in the parent scope add_version_info_from_vcs(VERSION_VAR) endif() if(SVN_REVISION) add_definitions(-DSVN_REVISION="${SVN_REVISION}") endif() endif() set(CLANG_VENDOR_UTI "org.llvm.clang" CACHE STRING "Vendor-specific uti.") # The libdir suffix must exactly match whatever LLVM's configuration used. set(CLANG_LIBDIR_SUFFIX "${LLVM_LIBDIR_SUFFIX}") set(CLANG_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}) set(CLANG_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}) if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE ) message(FATAL_ERROR "In-source builds are not allowed. CMake would overwrite " "the makefiles distributed with LLVM. Please create a directory and run cmake " "from there, passing the path to this source directory as the last argument. " "This process created the file `CMakeCache.txt' and the directory " "`CMakeFiles'. Please delete them.") endif() if( NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR ) file(GLOB_RECURSE tablegenned_files_on_include_dir "${CLANG_SOURCE_DIR}/include/clang/*.inc") if( tablegenned_files_on_include_dir ) message(FATAL_ERROR "Apparently there is a previous in-source build, " "probably as the result of running `configure' and `make' on " "${CLANG_SOURCE_DIR}. This may cause problems. The suspicious files are:\n" "${tablegenned_files_on_include_dir}\nPlease clean the source directory.") endif() endif() # Compute the Clang version from the LLVM version. string(REGEX MATCH "[0-9]+\\.[0-9]+(\\.[0-9]+)?" CLANG_VERSION ${PACKAGE_VERSION}) message(STATUS "Clang version: ${CLANG_VERSION}") string(REGEX REPLACE "([0-9]+)\\.[0-9]+(\\.[0-9]+)?" "\\1" CLANG_VERSION_MAJOR ${CLANG_VERSION}) string(REGEX REPLACE "[0-9]+\\.([0-9]+)(\\.[0-9]+)?" "\\1" CLANG_VERSION_MINOR ${CLANG_VERSION}) if (${CLANG_VERSION} MATCHES "[0-9]+\\.[0-9]+\\.[0-9]+") set(CLANG_HAS_VERSION_PATCHLEVEL 1) string(REGEX REPLACE "[0-9]+\\.[0-9]+\\.([0-9]+)" "\\1" CLANG_VERSION_PATCHLEVEL ${CLANG_VERSION}) else() set(CLANG_HAS_VERSION_PATCHLEVEL 0) endif() # Configure the Version.inc file. configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/include/clang/Basic/Version.inc.in ${CMAKE_CURRENT_BINARY_DIR}/include/clang/Basic/Version.inc) # Add appropriate flags for GCC if (LLVM_COMPILER_IS_GCC_COMPATIBLE) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-common -Woverloaded-virtual") if (NOT "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-strict-aliasing") endif () # Enable -pedantic for Clang even if it's not enabled for LLVM. if (NOT LLVM_ENABLE_PEDANTIC) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pedantic -Wno-long-long") endif () check_cxx_compiler_flag("-Werror -Wnested-anon-types" CXX_SUPPORTS_NO_NESTED_ANON_TYPES_FLAG) if( CXX_SUPPORTS_NO_NESTED_ANON_TYPES_FLAG ) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-nested-anon-types" ) endif() endif () # Determine HOST_LINK_VERSION on Darwin. set(HOST_LINK_VERSION) if (APPLE) set(LD_V_OUTPUT) execute_process( COMMAND sh -c "${CMAKE_LINKER} -v 2>&1 | head -1" RESULT_VARIABLE HAD_ERROR OUTPUT_VARIABLE LD_V_OUTPUT ) if (NOT HAD_ERROR) if ("${LD_V_OUTPUT}" MATCHES ".*ld64-([0-9.]+).*") string(REGEX REPLACE ".*ld64-([0-9.]+).*" "\\1" HOST_LINK_VERSION ${LD_V_OUTPUT}) elseif ("${LD_V_OUTPUT}" MATCHES "[^0-9]*([0-9.]+).*") string(REGEX REPLACE "[^0-9]*([0-9.]+).*" "\\1" HOST_LINK_VERSION ${LD_V_OUTPUT}) endif() else() message(FATAL_ERROR "${CMAKE_LINKER} failed with status ${HAD_ERROR}") endif() endif() configure_file( ${CLANG_SOURCE_DIR}/include/clang/Config/config.h.cmake ${CLANG_BINARY_DIR}/include/clang/Config/config.h) include(CMakeParseArguments) function(clang_tablegen) # Syntax: # clang_tablegen output-file [tablegen-arg ...] SOURCE source-file # [[TARGET cmake-target-name] [DEPENDS extra-dependency ...]] # # Generates a custom command for invoking tblgen as # # tblgen source-file -o=output-file tablegen-arg ... # # and, if cmake-target-name is provided, creates a custom target for # executing the custom command depending on output-file. It is # possible to list more files to depend after DEPENDS. cmake_parse_arguments(CTG "" "SOURCE;TARGET" "" ${ARGN}) if( NOT CTG_SOURCE ) message(FATAL_ERROR "SOURCE source-file required by clang_tablegen") endif() set( LLVM_TARGET_DEFINITIONS ${CTG_SOURCE} ) tablegen(CLANG ${CTG_UNPARSED_ARGUMENTS}) if(CTG_TARGET) add_public_tablegen_target(${CTG_TARGET}) set_target_properties( ${CTG_TARGET} PROPERTIES FOLDER "Clang tablegenning") set_property(GLOBAL APPEND PROPERTY CLANG_TABLEGEN_TARGETS ${CTG_TARGET}) endif() endfunction(clang_tablegen) macro(set_clang_windows_version_resource_properties name) if(DEFINED windows_resource_file) set_windows_version_resource_properties(${name} ${windows_resource_file} VERSION_MAJOR ${CLANG_VERSION_MAJOR} VERSION_MINOR ${CLANG_VERSION_MINOR} VERSION_PATCHLEVEL ${CLANG_VERSION_PATCHLEVEL} VERSION_STRING "${CLANG_VERSION} (${BACKEND_PACKAGE_STRING})" PRODUCT_NAME "clang") endif() endmacro() macro(add_clang_subdirectory name) add_llvm_subdirectory(CLANG TOOL ${name}) endmacro() macro(add_clang_library name) cmake_parse_arguments(ARG "SHARED" "" "ADDITIONAL_HEADERS" ${ARGN}) set(srcs) if(MSVC_IDE OR XCODE) # Add public headers file(RELATIVE_PATH lib_path ${CLANG_SOURCE_DIR}/lib/ ${CMAKE_CURRENT_SOURCE_DIR} ) if(NOT lib_path MATCHES "^[.][.]") file( GLOB_RECURSE headers ${CLANG_SOURCE_DIR}/include/clang/${lib_path}/*.h ${CLANG_SOURCE_DIR}/include/clang/${lib_path}/*.def ) set_source_files_properties(${headers} PROPERTIES HEADER_FILE_ONLY ON) file( GLOB_RECURSE tds ${CLANG_SOURCE_DIR}/include/clang/${lib_path}/*.td ) source_group("TableGen descriptions" FILES ${tds}) set_source_files_properties(${tds}} PROPERTIES HEADER_FILE_ONLY ON) if(headers OR tds) set(srcs ${headers} ${tds}) endif() endif() endif(MSVC_IDE OR XCODE) if(srcs OR ARG_ADDITIONAL_HEADERS) set(srcs ADDITIONAL_HEADERS ${srcs} ${ARG_ADDITIONAL_HEADERS} # It may contain unparsed unknown args. ) endif() if(ARG_SHARED) set(ARG_ENABLE_SHARED SHARED) endif() llvm_add_library(${name} ${ARG_ENABLE_SHARED} ${ARG_UNPARSED_ARGUMENTS} ${srcs}) if(TARGET ${name}) target_link_libraries(${name} ${cmake_2_8_12_INTERFACE} ${LLVM_COMMON_LIBS}) if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ${name} STREQUAL "libclang") install(TARGETS ${name} COMPONENT ${name} EXPORT ClangTargets LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX} ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX} RUNTIME DESTINATION bin) if (${ARG_SHARED} AND 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 CLANG_EXPORTS ${name}) else() # Add empty "phony" target add_custom_target(${name}) endif() set_target_properties(${name} PROPERTIES FOLDER "Clang libraries") set_clang_windows_version_resource_properties(${name}) endmacro(add_clang_library) macro(add_clang_executable name) add_llvm_executable( ${name} ${ARGN} ) set_target_properties(${name} PROPERTIES FOLDER "Clang executables") set_clang_windows_version_resource_properties(${name}) endmacro(add_clang_executable) macro(add_clang_tool name) add_clang_executable(${name} ${ARGN}) 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() endmacro() macro(add_clang_symlink name dest) add_llvm_tool_symlink(${name} ${dest} ALWAYS_GENERATE) # Always generate install targets llvm_install_symlink(${name} ${dest} ALWAYS_GENERATE) endmacro() set(CMAKE_INCLUDE_CURRENT_DIR ON) include_directories(BEFORE ${CMAKE_CURRENT_BINARY_DIR}/include ${CMAKE_CURRENT_SOURCE_DIR}/include ) if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY) install(DIRECTORY include/clang include/clang-c DESTINATION include FILES_MATCHING PATTERN "*.def" PATTERN "*.h" PATTERN "config.h" EXCLUDE PATTERN ".svn" EXCLUDE ) install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/clang DESTINATION include FILES_MATCHING PATTERN "CMakeFiles" EXCLUDE PATTERN "*.inc" PATTERN "*.h" ) endif() add_definitions( -D_GNU_SOURCE ) option(CLANG_ENABLE_ARCMT "Build ARCMT." ON) if (CLANG_ENABLE_ARCMT) set(ENABLE_CLANG_ARCMT "1") else() set(ENABLE_CLANG_ARCMT "0") endif() option(CLANG_ENABLE_STATIC_ANALYZER "Build static analyzer." ON) if (CLANG_ENABLE_STATIC_ANALYZER) set(ENABLE_CLANG_STATIC_ANALYZER "1") else() set(ENABLE_CLANG_STATIC_ANALYZER "0") endif() if (NOT CLANG_ENABLE_STATIC_ANALYZER AND CLANG_ENABLE_ARCMT) message(FATAL_ERROR "Cannot disable static analyzer while enabling ARCMT") endif() if(CLANG_ENABLE_ARCMT) add_definitions(-DCLANG_ENABLE_ARCMT) add_definitions(-DCLANG_ENABLE_OBJC_REWRITER) endif() if(CLANG_ENABLE_STATIC_ANALYZER) add_definitions(-DCLANG_ENABLE_STATIC_ANALYZER) endif() # Clang version information set(CLANG_EXECUTABLE_VERSION "${CLANG_VERSION_MAJOR}.${CLANG_VERSION_MINOR}" CACHE STRING "Version number that will be placed into the clang executable, in the form XX.YY") set(LIBCLANG_LIBRARY_VERSION "${CLANG_VERSION_MAJOR}.${CLANG_VERSION_MINOR}" CACHE STRING "Version number that will be placed into the libclang library , in the form XX.YY") mark_as_advanced(CLANG_EXECUTABLE_VERSION LIBCLANG_LIBRARY_VERSION) option(CLANG_INCLUDE_TESTS "Generate build targets for the Clang unit tests." ${LLVM_INCLUDE_TESTS}) add_subdirectory(utils/TableGen) add_subdirectory(include) # All targets below may depend on all tablegen'd files. get_property(CLANG_TABLEGEN_TARGETS GLOBAL PROPERTY CLANG_TABLEGEN_TARGETS) list(APPEND LLVM_COMMON_DEPENDS ${CLANG_TABLEGEN_TARGETS}) add_subdirectory(lib) add_subdirectory(tools) add_subdirectory(runtime) option(CLANG_BUILD_EXAMPLES "Build CLANG example programs by default." OFF) if (CLANG_BUILD_EXAMPLES) set(ENABLE_CLANG_EXAMPLES "1") else() set(ENABLE_CLANG_EXAMPLES "0") endif() add_subdirectory(examples) if( CLANG_INCLUDE_TESTS ) if(EXISTS ${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest/include/gtest/gtest.h) add_subdirectory(unittests) list(APPEND CLANG_TEST_DEPS ClangUnitTests) list(APPEND CLANG_TEST_PARAMS clang_unit_site_config=${CMAKE_CURRENT_BINARY_DIR}/test/Unit/lit.site.cfg ) endif() add_subdirectory(test) if(CLANG_BUILT_STANDALONE) # Add a global check rule now that all subdirectories have been traversed # and we know the total set of lit testsuites. get_property(LLVM_LIT_TESTSUITES GLOBAL PROPERTY LLVM_LIT_TESTSUITES) get_property(LLVM_LIT_PARAMS GLOBAL PROPERTY LLVM_LIT_PARAMS) get_property(LLVM_LIT_DEPENDS GLOBAL PROPERTY LLVM_LIT_DEPENDS) get_property(LLVM_LIT_EXTRA_ARGS GLOBAL PROPERTY LLVM_LIT_EXTRA_ARGS) add_lit_target(check-all "Running all regression tests" ${LLVM_LIT_TESTSUITES} PARAMS ${LLVM_LIT_PARAMS} DEPENDS ${LLVM_LIT_DEPENDS} ARGS ${LLVM_LIT_EXTRA_ARGS} ) endif() add_subdirectory(utils/perf-training) endif() option(CLANG_INCLUDE_DOCS "Generate build targets for the Clang docs." ${LLVM_INCLUDE_DOCS}) if( CLANG_INCLUDE_DOCS ) add_subdirectory(docs) endif() if(EXISTS "${CMAKE_CURRENT_BINARY_DIR}/clang.order") file(REMOVE "${CMAKE_CURRENT_BINARY_DIR}/clang.order") endif() if(CLANG_ORDER_FILE STREQUAL "${CMAKE_CURRENT_BINARY_DIR}/clang.order") unset(CLANG_ORDER_FILE CACHE) unset(CLANG_ORDER_FILE) endif() set(CLANG_ORDER_FILE "" CACHE FILEPATH "Order file to use when compiling clang in order to improve startup time.") if (CLANG_BUILT_STANDALONE OR CMAKE_VERSION VERSION_EQUAL 3 OR CMAKE_VERSION VERSION_GREATER 3) # Generate a list of CMake library targets so that other CMake projects can # link against them. LLVM calls its version of this file LLVMExports.cmake, but # the usual CMake convention seems to be ${Project}Targets.cmake. set(CLANG_INSTALL_PACKAGE_DIR lib${LLVM_LIBDIR_SUFFIX}/cmake/clang) set(clang_cmake_builddir "${CMAKE_BINARY_DIR}/${CLANG_INSTALL_PACKAGE_DIR}") get_property(CLANG_EXPORTS GLOBAL PROPERTY CLANG_EXPORTS) export(TARGETS ${CLANG_EXPORTS} FILE ${clang_cmake_builddir}/ClangTargets.cmake) # Install a /lib/cmake/clang/ClangConfig.cmake file so that # find_package(Clang) works. Install the target list with it. install(EXPORT ClangTargets DESTINATION ${CLANG_INSTALL_PACKAGE_DIR}) install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules/ClangConfig.cmake DESTINATION lib${LLVM_LIBDIR_SUFFIX}/cmake/clang) # Also copy ClangConfig.cmake to the build directory so that dependent projects # can build against a build directory of Clang more easily. configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules/ClangConfig.cmake ${CLANG_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX}/cmake/clang/ClangConfig.cmake COPYONLY) endif () if (CLANG_ENABLE_BOOTSTRAP) include(ExternalProject) if(CMAKE_VERSION VERSION_GREATER 3.1.0) set(cmake_3_1_EXCLUDE_FROM_ALL EXCLUDE_FROM_ALL 1) endif() if(CMAKE_VERSION VERSION_GREATER 3.3.20150708) set(cmake_3_4_USES_TERMINAL_OPTIONS USES_TERMINAL_CONFIGURE 1 USES_TERMINAL_BUILD 1 USES_TERMINAL_INSTALL 1 ) set(cmake_3_4_USES_TERMINAL USES_TERMINAL 1) endif() if(NOT CLANG_STAGE) set(CLANG_STAGE stage1) message(STATUS "Setting current clang stage to: ${CLANG_STAGE}") endif() string(REGEX MATCH "stage([0-9]*)" MATCHED_STAGE "${CLANG_STAGE}") if(MATCHED_STAGE) if(NOT LLVM_BUILD_INSTRUMENTED) math(EXPR STAGE_NUM "${CMAKE_MATCH_1} + 1") set(NEXT_CLANG_STAGE stage${STAGE_NUM}) else() set(NEXT_CLANG_STAGE stage${CMAKE_MATCH_1}) endif() else() set(NEXT_CLANG_STAGE bootstrap) endif() if(BOOTSTRAP_LLVM_BUILD_INSTRUMENTED) set(NEXT_CLANG_STAGE ${NEXT_CLANG_STAGE}-instrumented) endif() message(STATUS "Setting next clang stage to: ${NEXT_CLANG_STAGE}") set(STAMP_DIR ${CMAKE_CURRENT_BINARY_DIR}/${NEXT_CLANG_STAGE}-stamps/) set(BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}/${NEXT_CLANG_STAGE}-bins/) # If on Darwin we need to make bootstrap depend on LTO and pass # DARWIN_LTO_LIBRARY so that -flto will work using the just-built compiler if(BOOTSTRAP_LLVM_ENABLE_LTO OR LLVM_ENABLE_LTO) set(LTO_DEP LTO llvm-ar llvm-ranlib) set(LTO_AR -DCMAKE_AR=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-ar) set(LTO_RANLIB -DCMAKE_RANLIB=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-ranlib) if(APPLE) set(LTO_LIBRARY -DDARWIN_LTO_LIBRARY=${LLVM_SHLIB_OUTPUT_INTDIR}/libLTO.dylib) elseif(NOT WIN32) list(APPEND LTO_DEP LLVMgold) endif() endif() add_custom_target(${NEXT_CLANG_STAGE}-clear DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${NEXT_CLANG_STAGE}-cleared ) add_custom_command( OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${NEXT_CLANG_STAGE}-cleared DEPENDS clang ${LTO_DEP} COMMAND ${CMAKE_COMMAND} -E remove_directory ${BINARY_DIR} COMMAND ${CMAKE_COMMAND} -E make_directory ${BINARY_DIR} COMMAND ${CMAKE_COMMAND} -E remove_directory ${STAMP_DIR} COMMAND ${CMAKE_COMMAND} -E make_directory ${STAMP_DIR} COMMENT "Clobberring ${NEXT_CLANG_STAGE} build and stamp directories" ) if(CMAKE_VERBOSE_MAKEFILE) set(verbose -DCMAKE_VERBOSE_MAKEFILE=On) endif() set(BOOTSTRAP_DEFAULT_PASSTHROUGH PACKAGE_VERSION LLVM_VERSION_MAJOR LLVM_VERSION_MINOR LLVM_VERSION_PATCH LLVM_VERSION_SUFFIX CLANG_REPOSITORY_STRING CMAKE_MAKE_PROGRAM) if(TARGET compiler-rt) set(RUNTIME_DEP compiler-rt) endif() set(COMPILER_OPTIONS -DCMAKE_CXX_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang++ -DCMAKE_C_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang -DCMAKE_ASM_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang) if(BOOTSTRAP_LLVM_BUILD_INSTRUMENTED) set(PGO_DEP llvm-profdata) set(PGO_OPT -DLLVM_PROFDATA=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-profdata) endif() if(LLVM_BUILD_INSTRUMENTED) set(PGO_DEP generate-profdata) set(PGO_OPT -DLLVM_PROFDATA_FILE=${CMAKE_CURRENT_BINARY_DIR}/utils/perf-training/clang.profdata) set(COMPILER_OPTIONS -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER} -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER} -DCMAKE_ASM_COMPILER=${CMAKE_ASM_COMPILER}) set(RUNTIME_DEP) # Don't set runtime dependencies endif() # Find all variables that start with BOOTSTRAP_ and populate a variable with # them. get_cmake_property(variableNames VARIABLES) foreach(variableName ${variableNames}) if(variableName MATCHES "^BOOTSTRAP_") string(SUBSTRING ${variableName} 10 -1 varName) string(REPLACE ";" "\;" value "${${variableName}}") list(APPEND PASSTHROUGH_VARIABLES -D${varName}=${value}) endif() if(${variableName} AND variableName MATCHES "LLVM_EXTERNAL_.*_SOURCE_DIR") list(APPEND PASSTHROUGH_VARIABLES -D${variableName}=${${variableName}}) endif() endforeach() # Populate the passthrough variables foreach(variableName ${CLANG_BOOTSTRAP_PASSTHROUGH} ${BOOTSTRAP_DEFAULT_PASSTHROUGH}) if(${variableName}) string(REPLACE ";" "\;" value ${${variableName}}) list(APPEND PASSTHROUGH_VARIABLES -D${variableName}=${value}) endif() endforeach() ExternalProject_Add(${NEXT_CLANG_STAGE} DEPENDS clang ${LTO_DEP} ${RUNTIME_DEP} ${PGO_DEP} PREFIX ${NEXT_CLANG_STAGE} SOURCE_DIR ${CMAKE_SOURCE_DIR} STAMP_DIR ${STAMP_DIR} BINARY_DIR ${BINARY_DIR} ${cmake_3_1_EXCLUDE_FROM_ALL} CMAKE_ARGS # We shouldn't need to set this here, but INSTALL_DIR doesn't # seem to work, so instead I'm passing this through -DCMAKE_INSTALL_PREFIX=${CMAKE_INSTALL_PREFIX} ${CLANG_BOOTSTRAP_CMAKE_ARGS} ${PASSTHROUGH_VARIABLES} -DCLANG_STAGE=${NEXT_CLANG_STAGE} ${COMPILER_OPTIONS} ${LTO_LIBRARY} ${LTO_AR} ${LTO_RANLIB} ${verbose} ${PGO_OPT} INSTALL_COMMAND "" STEP_TARGETS configure build ${cmake_3_4_USES_TERMINAL_OPTIONS} ) # exclude really-install from main target set_target_properties(${NEXT_CLANG_STAGE} PROPERTIES _EP_really-install_EXCLUDE_FROM_MAIN On) ExternalProject_Add_Step(${NEXT_CLANG_STAGE} really-install COMMAND ${CMAKE_COMMAND} --build --target install COMMENT "Performing install step for '${NEXT_CLANG_STAGE}'" DEPENDEES build ${cmake_3_4_USES_TERMINAL} ) ExternalProject_Add_StepTargets(${NEXT_CLANG_STAGE} really-install) add_custom_target(${NEXT_CLANG_STAGE}-install DEPENDS ${NEXT_CLANG_STAGE}-really-install) if(NOT CLANG_BOOTSTRAP_TARGETS) set(CLANG_BOOTSTRAP_TARGETS check-llvm check-clang check-all) endif() foreach(target ${CLANG_BOOTSTRAP_TARGETS}) # exclude from main target set_target_properties(${NEXT_CLANG_STAGE} PROPERTIES _EP_${target}_EXCLUDE_FROM_MAIN On) ExternalProject_Add_Step(${NEXT_CLANG_STAGE} ${target} COMMAND ${CMAKE_COMMAND} --build --target ${target} COMMENT "Performing ${target} for '${NEXT_CLANG_STAGE}'" DEPENDEES configure ${cmake_3_4_USES_TERMINAL} ) if(target MATCHES "^stage[0-9]*") add_custom_target(${target} DEPENDS ${NEXT_CLANG_STAGE}-${target}) endif() ExternalProject_Add_StepTargets(${NEXT_CLANG_STAGE} ${target}) endforeach() endif()