| cmake_minimum_required(VERSION 3.4.3) |
| |
| # 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" |
| "--cmakedir") |
| 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) |
| list(GET CONFIG_OUTPUT 6 LLVM_CONFIG_CMAKE_PATH) |
| |
| 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") |
| |
| # Normalize LLVM_CMAKE_PATH. --cmakedir might contain backslashes. |
| # CMake assumes slashes as PATH. |
| file(TO_CMAKE_PATH ${LLVM_CONFIG_CMAKE_PATH} LLVM_CMAKE_PATH) |
| |
| find_program(LLVM_TABLEGEN_EXE "llvm-tblgen" ${LLVM_TOOLS_BINARY_DIR} |
| NO_DEFAULT_PATH) |
| |
| set(LLVMCONFIG_FILE "${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 ${LLVM_LIBRARY_OUTPUT_INTDIR}) |
| endif() |
| |
| option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON) |
| option(LLVM_INSTALL_TOOLCHAIN_ONLY |
| "Only include toolchain files in the 'install' target." OFF) |
| |
| option(LLVM_FORCE_USE_OLD_HOST_TOOLCHAIN |
| "Set to ON to force using an old, unsupported host toolchain." OFF) |
| option(CLANG_ENABLE_BOOTSTRAP "Generate the clang bootstrap target" OFF) |
| |
| include(AddLLVM) |
| include(TableGen) |
| include(HandleLLVMOptions) |
| include(VersionFromVCS) |
| |
| set(PACKAGE_VERSION "${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) |
| # Note: path not really used, except for checking if lit was found |
| set(LLVM_LIT ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py) |
| if(EXISTS ${LLVM_MAIN_SRC_DIR}/utils/llvm-lit) |
| add_subdirectory(${LLVM_MAIN_SRC_DIR}/utils/llvm-lit utils/llvm-lit) |
| endif() |
| 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 |
| NAMES llvm-lit lit.py lit |
| PATHS "${LLVM_MAIN_SRC_DIR}/utils/lit" |
| DOC "Path to lit.py") |
| endif() |
| |
| if(LLVM_LIT) |
| # Define the default arguments to use with 'lit', and an option for the user |
| # to override. |
| set(LIT_ARGS_DEFAULT "-sv") |
| if (MSVC OR XCODE) |
| set(LIT_ARGS_DEFAULT "${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() |
| |
| # Make sure that our source directory is on the current cmake module path so that |
| # we can include cmake files from this directory. |
| list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules") |
| |
| # Don't look for libxml if we're using MSan, since uninstrumented third party |
| # code may call MSan interceptors like strlen, leading to false positives. |
| if(NOT LLVM_USE_SANITIZER MATCHES "Memory.*") |
| set (LIBXML2_FOUND 0) |
| find_package(LibXml2 2.5.3 QUIET) |
| if (LIBXML2_FOUND) |
| set(CLANG_HAVE_LIBXML 1) |
| endif() |
| endif() |
| |
| include(CheckIncludeFile) |
| check_include_file(sys/resource.h CLANG_HAVE_RLIMITS) |
| |
| 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 <path> to all compiler invocations for --sysroot=<path>." ) |
| |
| set(ENABLE_LINKER_BUILD_ID OFF CACHE BOOL "pass --build-id to ld") |
| |
| set(ENABLE_X86_RELAX_RELOCATIONS OFF CACHE BOOL |
| "enable x86 relax relocations by default") |
| |
| set(CLANG_DEFAULT_LINKER "" CACHE STRING |
| "Default linker to use (linker name or absolute path, empty for platform default)") |
| |
| set(CLANG_DEFAULT_CXX_STDLIB "" CACHE STRING |
| "Default C++ stdlib to use (\"libstdc++\" or \"libc++\", empty for platform default") |
| 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 platform default") |
| set(CLANG_DEFAULT_CXX_STDLIB "" CACHE STRING |
| "Default C++ stdlib to use (\"libstdc++\" or \"libc++\", empty for platform default" FORCE) |
| endif() |
| |
| set(CLANG_DEFAULT_RTLIB "" CACHE STRING |
| "Default runtime library to use (\"libgcc\" or \"compiler-rt\", empty for platform default)") |
| if (NOT(CLANG_DEFAULT_RTLIB STREQUAL "" OR |
| CLANG_DEFAULT_RTLIB STREQUAL "libgcc" OR |
| CLANG_DEFAULT_RTLIB STREQUAL "compiler-rt")) |
| message(WARNING "Resetting default rtlib to use platform default") |
| set(CLANG_DEFAULT_RTLIB "" CACHE STRING |
| "Default runtime library to use (\"libgcc\" or \"compiler-rt\", empty for platform default)" FORCE) |
| endif() |
| |
| set(CLANG_DEFAULT_OBJCOPY "objcopy" CACHE STRING |
| "Default objcopy executable to use.") |
| |
| set(CLANG_DEFAULT_OPENMP_RUNTIME "libomp" CACHE STRING |
| "Default OpenMP runtime used by -fopenmp.") |
| |
| # OpenMP offloading requires at least sm_35 because we use shuffle instructions |
| # to generate efficient code for reductions and the atomicMax instruction on |
| # 64-bit integers in the implementation of conditional lastprivate. |
| set(CLANG_OPENMP_NVPTX_DEFAULT_ARCH "sm_35" CACHE STRING |
| "Default architecture for OpenMP offloading to Nvidia GPUs.") |
| string(REGEX MATCH "^sm_([0-9]+)$" MATCHED_ARCH "${CLANG_OPENMP_NVPTX_DEFAULT_ARCH}") |
| if (NOT DEFINED MATCHED_ARCH OR "${CMAKE_MATCH_1}" LESS 35) |
| message(WARNING "Resetting default architecture for OpenMP offloading to Nvidia GPUs to sm_35") |
| set(CLANG_OPENMP_NVPTX_DEFAULT_ARCH "sm_35" CACHE STRING |
| "Default architecture for OpenMP offloading to Nvidia GPUs." FORCE) |
| endif() |
| |
| set(CLANG_VENDOR ${PACKAGE_VENDOR} CACHE STRING |
| "Vendor-specific text for showing with version information.") |
| |
| if( CLANG_VENDOR ) |
| add_definitions( -DCLANG_VENDOR="${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="${CLANG_REPOSITORY_STRING}") |
| endif() |
| |
| set(CLANG_VENDOR_UTI "org.llvm.clang" CACHE STRING |
| "Vendor-specific uti.") |
| |
| # The libdir suffix must exactly match whatever LLVM's configuration used. |
| set(CLANG_LIBDIR_SUFFIX "${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() |
| |
| # If CLANG_VERSION_* is specified, use it, if not use LLVM_VERSION_*. |
| if(NOT DEFINED CLANG_VERSION_MAJOR) |
| set(CLANG_VERSION_MAJOR ${LLVM_VERSION_MAJOR}) |
| endif() |
| if(NOT DEFINED CLANG_VERSION_MINOR) |
| set(CLANG_VERSION_MINOR ${LLVM_VERSION_MINOR}) |
| endif() |
| if(NOT DEFINED CLANG_VERSION_PATCHLEVEL) |
| set(CLANG_VERSION_PATCHLEVEL ${LLVM_VERSION_PATCH}) |
| endif() |
| # Unlike PACKAGE_VERSION, CLANG_VERSION does not include LLVM_VERSION_SUFFIX. |
| set(CLANG_VERSION "${CLANG_VERSION_MAJOR}.${CLANG_VERSION_MINOR}.${CLANG_VERSION_PATCHLEVEL}") |
| message(STATUS "Clang version: ${CLANG_VERSION}") |
| if(DEFINED LLVM_EXTERNAL_CLANG_SOURCE_DIR) |
| add_definitions(-DLLVM_EXTERNAL_CLANG_SOURCE_DIR) |
| 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() |
| |
| include(CMakeParseArguments) |
| include(AddClang) |
| |
| 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 ${CMAKE_CURRENT_BINARY_DIR}/include/clang |
| DESTINATION include |
| FILES_MATCHING |
| PATTERN "CMakeFiles" EXCLUDE |
| PATTERN "*.inc" |
| PATTERN "*.h" |
| ) |
| |
| install(PROGRAMS utils/bash-autocomplete.sh |
| DESTINATION share/clang |
| ) |
| endif() |
| |
| add_definitions( -D_GNU_SOURCE ) |
| |
| option(CLANG_BUILD_TOOLS |
| "Build the Clang tools. If OFF, just generate build targets." ON) |
| |
| option(CLANG_ENABLE_ARCMT "Build ARCMT." ON) |
| option(CLANG_ENABLE_STATIC_ANALYZER "Build static analyzer." ON) |
| |
| option(CLANG_ANALYZER_BUILD_Z3 |
| "Build the static analyzer with the Z3 constraint manager." OFF) |
| |
| option(CLANG_ENABLE_PROTO_FUZZER "Build Clang protobuf fuzzer." OFF) |
| |
| if(NOT CLANG_ENABLE_STATIC_ANALYZER AND (CLANG_ENABLE_ARCMT OR CLANG_ANALYZER_BUILD_Z3)) |
| message(FATAL_ERROR "Cannot disable static analyzer while enabling ARCMT or Z3") |
| endif() |
| |
| if(CLANG_ANALYZER_BUILD_Z3) |
| find_package(Z3 4.5) |
| if(Z3_FOUND) |
| set(CLANG_ANALYZER_WITH_Z3 1) |
| else() |
| message(FATAL_ERROR "Cannot find Z3 header file or shared library") |
| endif() |
| endif() |
| |
| if(CLANG_ENABLE_ARCMT) |
| set(CLANG_ENABLE_OBJC_REWRITER ON) |
| endif() |
| |
| # Clang version information |
| set(CLANG_EXECUTABLE_VERSION |
| "${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) |
| add_custom_target(clang-tablegen-targets DEPENDS ${CLANG_TABLEGEN_TARGETS}) |
| set_target_properties(clang-tablegen-targets PROPERTIES FOLDER "Misc") |
| list(APPEND LLVM_COMMON_DEPENDS clang-tablegen-targets) |
| |
| # Force target to be built as soon as possible. Clang modules builds depend |
| # header-wise on it as they ship all headers from the umbrella folders. Building |
| # an entire module might include header, which depends on intrinsics_gen. |
| if(LLVM_ENABLE_MODULES AND NOT CLANG_BUILT_STANDALONE) |
| list(APPEND LLVM_COMMON_DEPENDS intrinsics_gen) |
| endif() |
| |
| add_subdirectory(lib) |
| add_subdirectory(tools) |
| add_subdirectory(runtime) |
| |
| option(CLANG_BUILD_EXAMPLES "Build CLANG example programs by default." OFF) |
| add_subdirectory(examples) |
| |
| if(APPLE) |
| # this line is needed as a cleanup to ensure that any CMakeCaches with the old |
| # default value get updated to the new default. |
| if(CLANG_ORDER_FILE STREQUAL "") |
| unset(CLANG_ORDER_FILE CACHE) |
| unset(CLANG_ORDER_FILE) |
| endif() |
| |
| |
| set(CLANG_ORDER_FILE ${CMAKE_CURRENT_BINARY_DIR}/clang.order CACHE FILEPATH |
| "Order file to use when compiling clang in order to improve startup time (Darwin Only - requires ld64).") |
| |
| if(NOT EXISTS ${CLANG_ORDER_FILE}) |
| string(FIND "${CLANG_ORDER_FILE}" "${CMAKE_CURRENT_BINARY_DIR}" PATH_START) |
| if(PATH_START EQUAL 0) |
| file(WRITE ${CLANG_ORDER_FILE} "\n") |
| else() |
| message(FATAL_ERROR "Specified order file '${CLANG_ORDER_FILE}' does not exist.") |
| endif() |
| endif() |
| endif() |
| |
| |
| 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() |
| |
| add_subdirectory(cmake/modules) |
| |
| if(CLANG_STAGE) |
| message(STATUS "Setting current clang stage to: ${CLANG_STAGE}") |
| endif() |
| |
| if (CLANG_ENABLE_BOOTSTRAP) |
| include(ExternalProject) |
| |
| add_custom_target(clang-bootstrap-deps DEPENDS clang) |
| |
| if(NOT CLANG_STAGE) |
| set(CLANG_STAGE stage1) |
| endif() |
| |
| string(REGEX MATCH "stage([0-9]*)" MATCHED_STAGE "${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(BOOTSTRAP_LLVM_ENABLE_LLD) |
| add_dependencies(clang-bootstrap-deps lld) |
| endif() |
| |
| # If the next stage is LTO we need to depend on LTO and possibly lld or LLVMgold |
| if(BOOTSTRAP_LLVM_ENABLE_LTO OR LLVM_ENABLE_LTO AND NOT LLVM_BUILD_INSTRUMENTED) |
| if(APPLE) |
| add_dependencies(clang-bootstrap-deps LTO) |
| # on Darwin we need to set DARWIN_LTO_LIBRARY so that -flto will work |
| # using the just-built compiler, and we need to override DYLD_LIBRARY_PATH |
| # so that the host object file tools will use the just-built libLTO. |
| # However if System Integrity Protection is enabled the DYLD variables |
| # will be scrubbed from the environment of any base system commands. This |
| # includes /bin/sh, which ninja uses when executing build commands. To |
| # work around the envar being filtered away we pass it in as a CMake |
| # variable, and have LLVM's CMake append the envar to the archiver calls. |
| set(LTO_LIBRARY -DDARWIN_LTO_LIBRARY=${LLVM_SHLIB_OUTPUT_INTDIR}/libLTO.dylib |
| -DDYLD_LIBRARY_PATH=${LLVM_LIBRARY_OUTPUT_INTDIR}) |
| elseif(NOT WIN32) |
| add_dependencies(clang-bootstrap-deps llvm-ar llvm-ranlib) |
| if(NOT BOOTSTRAP_LLVM_ENABLE_LLD AND LLVM_BINUTILS_INCDIR) |
| add_dependencies(clang-bootstrap-deps LLVMgold) |
| endif() |
| set(LTO_AR -DCMAKE_AR=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-ar) |
| set(LTO_RANLIB -DCMAKE_RANLIB=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-ranlib) |
| 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-bootstrap-deps |
| 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 ${NEXT_CLANG_STAGE} build and stamp directories" |
| ) |
| |
| if(CMAKE_VERBOSE_MAKEFILE) |
| set(verbose -DCMAKE_VERBOSE_MAKEFILE=On) |
| endif() |
| |
| set(_BOOTSTRAP_DEFAULT_PASSTHROUGH |
| PACKAGE_VERSION |
| PACKAGE_VENDOR |
| LLVM_VERSION_MAJOR |
| LLVM_VERSION_MINOR |
| LLVM_VERSION_PATCH |
| CLANG_VERSION_MAJOR |
| CLANG_VERSION_MINOR |
| CLANG_VERSION_PATCHLEVEL |
| LLVM_VERSION_SUFFIX |
| LLVM_BINUTILS_INCDIR |
| CLANG_REPOSITORY_STRING |
| CMAKE_MAKE_PROGRAM |
| CMAKE_OSX_ARCHITECTURES |
| LLVM_ENABLE_PROJECTS |
| LLVM_ENABLE_RUNTIMES) |
| |
| # We don't need to depend on compiler-rt if we're building instrumented |
| # because the next stage will use the same compiler used to build this stage. |
| if(TARGET compiler-rt AND NOT LLVM_BUILD_INSTRUMENTED) |
| add_dependencies(clang-bootstrap-deps compiler-rt) |
| endif() |
| |
| set(C_COMPILER "clang") |
| set(CXX_COMPILER "clang++") |
| if(WIN32) |
| set(C_COMPILER "clang-cl.exe") |
| set(CXX_COMPILER "clang-cl.exe") |
| endif() |
| |
| set(COMPILER_OPTIONS |
| -DCMAKE_CXX_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/${CXX_COMPILER} |
| -DCMAKE_C_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/${C_COMPILER} |
| -DCMAKE_ASM_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/${C_COMPILER}) |
| |
| if(BOOTSTRAP_LLVM_BUILD_INSTRUMENTED) |
| add_dependencies(clang-bootstrap-deps llvm-profdata) |
| set(PGO_OPT -DLLVM_PROFDATA=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-profdata) |
| endif() |
| |
| if(LLVM_BUILD_INSTRUMENTED) |
| add_dependencies(clang-bootstrap-deps generate-profdata) |
| set(PGO_OPT -DLLVM_PROFDATA_FILE=${CMAKE_CURRENT_BINARY_DIR}/utils/perf-training/clang.profdata) |
| # Use the current tools for LTO instead of the instrumented ones |
| list(APPEND _BOOTSTRAP_DEFAULT_PASSTHROUGH |
| CMAKE_CXX_COMPILER |
| CMAKE_C_COMPILER |
| CMAKE_ASM_COMPILER |
| CMAKE_AR |
| CMAKE_RANLIB |
| DARWIN_LTO_LIBRARY |
| DYLD_LIBRARY_PATH) |
| |
| set(COMPILER_OPTIONS) |
| set(LTO_LIBRARY) |
| set(LTO_AR) |
| set(LTO_RANLIB) |
| 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(DEFINED ${variableName}) |
| if("${${variableName}}" STREQUAL "") |
| set(value "") |
| else() |
| string(REPLACE ";" "|" value "${${variableName}}") |
| endif() |
| list(APPEND PASSTHROUGH_VARIABLES |
| -D${variableName}=${value}) |
| endif() |
| endforeach() |
| |
| ExternalProject_Add(${NEXT_CLANG_STAGE} |
| DEPENDS clang-bootstrap-deps |
| PREFIX ${NEXT_CLANG_STAGE} |
| SOURCE_DIR ${CMAKE_SOURCE_DIR} |
| STAMP_DIR ${STAMP_DIR} |
| BINARY_DIR ${BINARY_DIR} |
| EXCLUDE_FROM_ALL 1 |
| CMAKE_ARGS |
| # We shouldn't need to set this here, but INSTALL_DIR doesn't |
| # seem to work, so instead I'm passing this through |
| -DCMAKE_INSTALL_PREFIX=${CMAKE_INSTALL_PREFIX} |
| ${CLANG_BOOTSTRAP_CMAKE_ARGS} |
| ${PASSTHROUGH_VARIABLES} |
| -DCLANG_STAGE=${NEXT_CLANG_STAGE} |
| ${COMPILER_OPTIONS} |
| ${LTO_LIBRARY} ${LTO_AR} ${LTO_RANLIB} ${verbose} ${PGO_OPT} |
| INSTALL_COMMAND "" |
| STEP_TARGETS configure build |
| USES_TERMINAL_CONFIGURE 1 |
| USES_TERMINAL_BUILD 1 |
| USES_TERMINAL_INSTALL 1 |
| LIST_SEPARATOR | |
| ) |
| |
| # exclude really-install from main target |
| set_target_properties(${NEXT_CLANG_STAGE} PROPERTIES _EP_really-install_EXCLUDE_FROM_MAIN On) |
| ExternalProject_Add_Step(${NEXT_CLANG_STAGE} really-install |
| COMMAND ${CMAKE_COMMAND} --build <BINARY_DIR> --target install |
| COMMENT "Performing install step for '${NEXT_CLANG_STAGE}'" |
| DEPENDEES build |
| USES_TERMINAL 1 |
| ) |
| 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 <BINARY_DIR> --target ${target} |
| COMMENT "Performing ${target} for '${NEXT_CLANG_STAGE}'" |
| DEPENDEES configure |
| USES_TERMINAL 1 |
| ) |
| |
| 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() |
| |
| if (LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION) |
| add_subdirectory(utils/ClangVisualizers) |
| endif() |
| |
| configure_file( |
| ${CLANG_SOURCE_DIR}/include/clang/Config/config.h.cmake |
| ${CLANG_BINARY_DIR}/include/clang/Config/config.h) |