| # 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) |
| cmake_minimum_required(VERSION 2.8) |
| |
| set(CLANG_PATH_TO_LLVM_SOURCE "" CACHE PATH |
| "Path to LLVM source code. Not necessary if using an installed LLVM.") |
| set(CLANG_PATH_TO_LLVM_BUILD "" CACHE PATH |
| "Path to the directory where LLVM was built or installed.") |
| |
| if( CLANG_PATH_TO_LLVM_SOURCE ) |
| if( NOT EXISTS "${CLANG_PATH_TO_LLVM_SOURCE}/cmake/config-ix.cmake" ) |
| message(FATAL_ERROR "Please set CLANG_PATH_TO_LLVM_SOURCE to the root directory of LLVM source code.") |
| else() |
| get_filename_component(LLVM_MAIN_SRC_DIR ${CLANG_PATH_TO_LLVM_SOURCE} |
| ABSOLUTE) |
| list(APPEND CMAKE_MODULE_PATH "${LLVM_MAIN_SRC_DIR}/cmake/modules") |
| endif() |
| endif() |
| |
| if (EXISTS "${CLANG_PATH_TO_LLVM_BUILD}/bin/llvm-config${CMAKE_EXECUTABLE_SUFFIX}") |
| set (PATH_TO_LLVM_CONFIG "${CLANG_PATH_TO_LLVM_BUILD}/bin/llvm-config${CMAKE_EXECUTABLE_SUFFIX}") |
| elseif (EXISTS "${CLANG_PATH_TO_LLVM_BUILD}/bin/Debug/llvm-config${CMAKE_EXECUTABLE_SUFFIX}") |
| # Looking for bin/Debug/llvm-config is a complete hack. How can we get |
| # around this? |
| set (PATH_TO_LLVM_CONFIG "${CLANG_PATH_TO_LLVM_BUILD}/bin/Debug/llvm-config${CMAKE_EXECUTABLE_SUFFIX}") |
| else() |
| message(FATAL_ERROR "Please set CLANG_PATH_TO_LLVM_BUILD to a directory containing a LLVM build.") |
| endif() |
| |
| list(APPEND CMAKE_MODULE_PATH "${CLANG_PATH_TO_LLVM_BUILD}/share/llvm/cmake") |
| |
| get_filename_component(PATH_TO_LLVM_BUILD ${CLANG_PATH_TO_LLVM_BUILD} |
| ABSOLUTE) |
| |
| option(LLVM_INSTALL_TOOLCHAIN_ONLY "Only include toolchain files in the 'install' target." OFF) |
| |
| include(AddLLVM) |
| include(TableGen) |
| include("${CLANG_PATH_TO_LLVM_BUILD}/share/llvm/cmake/LLVMConfig.cmake") |
| include(HandleLLVMOptions) |
| |
| set(PACKAGE_VERSION "${LLVM_PACKAGE_VERSION}") |
| |
| set(LLVM_MAIN_INCLUDE_DIR "${LLVM_MAIN_SRC_DIR}/include") |
| set(LLVM_BINARY_DIR ${CMAKE_BINARY_DIR}) |
| |
| set(CMAKE_INCLUDE_CURRENT_DIR ON) |
| include_directories("${PATH_TO_LLVM_BUILD}/include" "${LLVM_MAIN_INCLUDE_DIR}") |
| link_directories("${PATH_TO_LLVM_BUILD}/lib") |
| |
| exec_program("${PATH_TO_LLVM_CONFIG} --bindir" OUTPUT_VARIABLE LLVM_BINARY_DIR) |
| set(LLVM_TABLEGEN_EXE "${LLVM_BINARY_DIR}/llvm-tblgen${CMAKE_EXECUTABLE_SUFFIX}") |
| |
| # Define the default arguments to use with 'lit', and an option for the user |
| # to override. |
| set(LIT_ARGS_DEFAULT "-sv") |
| if (MSVC OR XCODE) |
| set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar") |
| endif() |
| set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit") |
| |
| set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin ) |
| set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib ) |
| set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib ) |
| |
| set( CLANG_BUILT_STANDALONE 1 ) |
| |
| find_package(LibXml2) |
| if (LIBXML2_FOUND) |
| set(CLANG_HAVE_LIBXML 1) |
| endif () |
| endif() |
| |
| set(CLANG_RESOURCE_DIR "" CACHE STRING |
| "Relative directory from the Clang binary to its resource files.") |
| |
| set(C_INCLUDE_DIRS "" CACHE STRING |
| "Colon separated list of directories clang will search for headers.") |
| |
| set(GCC_INSTALL_PREFIX "" CACHE PATH "Directory where gcc is installed." ) |
| set(DEFAULT_SYSROOT "" CACHE PATH |
| "Default <path> to all compiler invocations for --sysroot=<path>." ) |
| |
| set(CLANG_VENDOR "" CACHE STRING |
| "Vendor-specific text for showing with version information.") |
| |
| if( CLANG_VENDOR ) |
| add_definitions( -DCLANG_VENDOR="${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() |
| |
| set(CLANG_VENDOR_UTI "org.llvm.clang" CACHE STRING |
| "Vendor-specific uti.") |
| |
| 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 -Wcast-qual -fno-strict-aliasing") |
| |
| # 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 () |
| |
| if (APPLE) |
| set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -Wl,-flat_namespace -Wl,-undefined -Wl,suppress") |
| endif () |
| |
| configure_file( |
| ${CLANG_SOURCE_DIR}/include/clang/Config/config.h.cmake |
| ${CLANG_BINARY_DIR}/include/clang/Config/config.h) |
| |
| include(LLVMParseArguments) |
| |
| 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. |
| |
| parse_arguments( CTG "SOURCE;TARGET;DEPENDS" "" ${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_DEFAULT_ARGS} ) |
| |
| list( GET CTG_DEFAULT_ARGS 0 output_file ) |
| if( CTG_TARGET ) |
| add_custom_target( ${CTG_TARGET} DEPENDS ${output_file} ${CTG_DEPENDS} ) |
| set_target_properties( ${CTG_TARGET} PROPERTIES FOLDER "Clang tablegenning") |
| endif() |
| endfunction(clang_tablegen) |
| |
| # FIXME: Generalize and move to llvm. |
| function(add_clang_symbol_exports target_name export_file) |
| # Makefile.rules contains special cases for different platforms. |
| # We restrict ourselves to Darwin for the time being. |
| if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin") |
| add_custom_command(OUTPUT symbol.exports |
| COMMAND sed -e "s/^/_/" < ${export_file} > symbol.exports |
| DEPENDS ${export_file} |
| VERBATIM |
| COMMENT "Creating export file for ${target_name}") |
| add_custom_target(${target_name}_exports DEPENDS symbol.exports) |
| set_property(DIRECTORY APPEND |
| PROPERTY ADDITIONAL_MAKE_CLEAN_FILES symbol.exports) |
| |
| 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. |
| set_property(SOURCE ${first_source_file} APPEND PROPERTY |
| OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/symbol.exports) |
| |
| set_property(TARGET ${target_name} APPEND_STRING PROPERTY |
| LINK_FLAGS " -Wl,-exported_symbols_list,${CMAKE_CURRENT_BINARY_DIR}/symbol.exports") |
| add_dependencies(${target_name} ${target_name}_exports) |
| endif() |
| endfunction(add_clang_symbol_exports) |
| |
| macro(add_clang_library name) |
| llvm_process_sources(srcs ${ARGN}) |
| 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) |
| |
| set(srcs ${srcs} ${headers} ${tds}) |
| endif() |
| endif(MSVC_IDE OR XCODE) |
| if (MODULE) |
| set(libkind MODULE) |
| elseif (SHARED_LIBRARY) |
| set(libkind SHARED) |
| else() |
| set(libkind) |
| endif() |
| add_library( ${name} ${libkind} ${srcs} ) |
| if( LLVM_COMMON_DEPENDS ) |
| add_dependencies( ${name} ${LLVM_COMMON_DEPENDS} ) |
| endif( LLVM_COMMON_DEPENDS ) |
| |
| llvm_config( ${name} ${LLVM_LINK_COMPONENTS} ) |
| target_link_libraries( ${name} ${LLVM_COMMON_LIBS} ) |
| link_system_libs( ${name} ) |
| |
| if (SHARED_LIBRARY AND EXPORTED_SYMBOL_FILE) |
| add_clang_symbol_exports( ${name} ${EXPORTED_SYMBOL_FILE} ) |
| endif() |
| |
| if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ${name} STREQUAL "libclang") |
| install(TARGETS ${name} |
| LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX} |
| ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX} |
| RUNTIME DESTINATION bin) |
| endif() |
| |
| set_target_properties(${name} PROPERTIES FOLDER "Clang libraries") |
| endmacro(add_clang_library) |
| |
| macro(add_clang_executable name) |
| add_llvm_executable( ${name} ${ARGN} ) |
| set_target_properties(${name} PROPERTIES FOLDER "Clang executables") |
| endmacro(add_clang_executable) |
| |
| include_directories(BEFORE |
| ${CMAKE_CURRENT_BINARY_DIR}/include |
| ${CMAKE_CURRENT_SOURCE_DIR}/include |
| ) |
| |
| if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY) |
| install(DIRECTORY include/ |
| DESTINATION include |
| FILES_MATCHING |
| PATTERN "*.def" |
| PATTERN "*.h" |
| PATTERN "config.h" EXCLUDE |
| PATTERN ".svn" EXCLUDE |
| ) |
| |
| install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/ |
| DESTINATION include |
| FILES_MATCHING |
| PATTERN "CMakeFiles" EXCLUDE |
| PATTERN "*.inc" |
| ) |
| endif() |
| |
| install(DIRECTORY include/clang-c |
| DESTINATION include |
| FILES_MATCHING |
| PATTERN "*.h" |
| PATTERN ".svn" EXCLUDE |
| ) |
| |
| add_definitions( -D_GNU_SOURCE ) |
| |
| option(CLANG_ENABLE_ARCMT "Build ARCMT." ON) |
| option(CLANG_ENABLE_REWRITER "Build rewriter." ON) |
| option(CLANG_ENABLE_STATIC_ANALYZER "Build static analyzer." ON) |
| |
| if (NOT CLANG_ENABLE_REWRITER AND CLANG_ENABLE_ARCMT) |
| message(FATAL_ERROR "Cannot disable rewriter while enabling ARCMT") |
| endif() |
| |
| if (NOT CLANG_ENABLE_REWRITER AND CLANG_ENABLE_STATIC_ANALYZER) |
| message(FATAL_ERROR "Cannot disable rewriter while enabling static analyzer") |
| endif() |
| |
| if (NOT CLANG_ENABLE_STATIC_ANALYZER AND CLANG_ENABLE_ARCMT) |
| message(FATAL_ERROR "Cannot disable static analyzer while enabling ARCMT") |
| endif() |
| |
| if(CLANG_ENABLE_ARCMT) |
| add_definitions(-DCLANG_ENABLE_ARCMT) |
| endif() |
| if(CLANG_ENABLE_REWRITER) |
| add_definitions(-DCLANG_ENABLE_REWRITER) |
| endif() |
| if(CLANG_ENABLE_STATIC_ANALYZER) |
| add_definitions(-DCLANG_ENABLE_STATIC_ANALYZER) |
| endif() |
| |
| # Clang version information |
| set(CLANG_EXECUTABLE_VERSION |
| "${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) |
| |
| add_subdirectory(utils/TableGen) |
| |
| add_subdirectory(include) |
| add_subdirectory(lib) |
| add_subdirectory(tools) |
| add_subdirectory(runtime) |
| |
| option(CLANG_BUILD_EXAMPLES "Build CLANG example programs by default." OFF) |
| add_subdirectory(examples) |
| |
| option(CLANG_INCLUDE_TESTS |
| "Generate build targets for the Clang unit tests." |
| ${LLVM_INCLUDE_TESTS}) |
| |
| if( CLANG_INCLUDE_TESTS ) |
| add_subdirectory(test) |
| add_subdirectory(unittests) |
| endif() |
| |
| option(CLANG_INCLUDE_DOCS "Generate build targets for the Clang docs." |
| ${LLVM_INCLUDE_DOCS}) |
| if( CLANG_INCLUDE_DOCS ) |
| add_subdirectory(docs) |
| endif() |
| |
| # Workaround for MSVS10 to avoid the Dialog Hell |
| # FIXME: This could be removed with future version of CMake. |
| if( CLANG_BUILT_STANDALONE AND MSVC_VERSION EQUAL 1600 ) |
| set(CLANG_SLN_FILENAME "${CMAKE_CURRENT_BINARY_DIR}/Clang.sln") |
| if( EXISTS "${CLANG_SLN_FILENAME}" ) |
| file(APPEND "${CLANG_SLN_FILENAME}" "\n# This should be regenerated!\n") |
| endif() |
| endif() |
| |
| set(BUG_REPORT_URL "http://llvm.org/bugs/" CACHE STRING |
| "Default URL where bug reports are to be submitted.") |
| |
| set(CLANG_ORDER_FILE "" CACHE FILEPATH |
| "Order file to use when compiling clang in order to improve startup time.") |