Index: llvm/trunk/CMakeLists.txt =================================================================== --- llvm/trunk/CMakeLists.txt (revision 357975) +++ llvm/trunk/CMakeLists.txt (revision 357976) @@ -1,1153 +1,1143 @@ # See docs/CMake.html for instructions about how to build LLVM with CMake. cmake_minimum_required(VERSION 3.4.3) if(POLICY CMP0068) cmake_policy(SET CMP0068 NEW) set(CMAKE_BUILD_WITH_INSTALL_NAME_DIR ON) endif() if(POLICY CMP0075) cmake_policy(SET CMP0075 NEW) endif() if(NOT DEFINED LLVM_VERSION_MAJOR) set(LLVM_VERSION_MAJOR 9) endif() if(NOT DEFINED LLVM_VERSION_MINOR) set(LLVM_VERSION_MINOR 0) endif() if(NOT DEFINED LLVM_VERSION_PATCH) set(LLVM_VERSION_PATCH 0) endif() if(NOT DEFINED LLVM_VERSION_SUFFIX) set(LLVM_VERSION_SUFFIX svn) endif() if (NOT PACKAGE_VERSION) set(PACKAGE_VERSION "${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}${LLVM_VERSION_SUFFIX}") endif() if ((CMAKE_GENERATOR MATCHES "Visual Studio") AND (CMAKE_GENERATOR_TOOLSET STREQUAL "")) message(WARNING "Visual Studio generators use the x86 host compiler by " "default, even for 64-bit targets. This can result in linker " "instability and out of memory errors. To use the 64-bit " "host compiler, pass -Thost=x64 on the CMake command line.") endif() project(LLVM VERSION ${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH} LANGUAGES C CXX ASM) if (NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES) message(STATUS "No build type selected, default to Debug") set(CMAKE_BUILD_TYPE "Debug" CACHE STRING "Build type (default Debug)" FORCE) endif() # This should only apply if you are both on an Apple host, and targeting Apple. if(CMAKE_HOST_APPLE AND APPLE) # if CMAKE_LIBTOOL is not set, try and find it with xcrun or find_program if(NOT CMAKE_LIBTOOL) if(NOT CMAKE_XCRUN) find_program(CMAKE_XCRUN NAMES xcrun) endif() if(CMAKE_XCRUN) execute_process(COMMAND ${CMAKE_XCRUN} -find libtool OUTPUT_VARIABLE CMAKE_LIBTOOL OUTPUT_STRIP_TRAILING_WHITESPACE) endif() if(NOT CMAKE_LIBTOOL OR NOT EXISTS CMAKE_LIBTOOL) find_program(CMAKE_LIBTOOL NAMES libtool) endif() endif() get_property(languages GLOBAL PROPERTY ENABLED_LANGUAGES) if(CMAKE_LIBTOOL) set(CMAKE_LIBTOOL ${CMAKE_LIBTOOL} CACHE PATH "libtool executable") message(STATUS "Found libtool - ${CMAKE_LIBTOOL}") execute_process(COMMAND ${CMAKE_LIBTOOL} -V OUTPUT_VARIABLE LIBTOOL_V_OUTPUT OUTPUT_STRIP_TRAILING_WHITESPACE) if("${LIBTOOL_V_OUTPUT}" MATCHES ".*cctools-([0-9.]+).*") string(REGEX REPLACE ".*cctools-([0-9.]+).*" "\\1" LIBTOOL_VERSION ${LIBTOOL_V_OUTPUT}) if(NOT LIBTOOL_VERSION VERSION_LESS "862") set(LIBTOOL_NO_WARNING_FLAG "-no_warning_for_no_symbols") endif() endif() foreach(lang ${languages}) set(CMAKE_${lang}_CREATE_STATIC_LIBRARY "\"${CMAKE_LIBTOOL}\" -static ${LIBTOOL_NO_WARNING_FLAG} -o \ ") endforeach() endif() # If DYLD_LIBRARY_PATH is set we need to set it on archiver commands if(DYLD_LIBRARY_PATH) set(dyld_envar "DYLD_LIBRARY_PATH=${DYLD_LIBRARY_PATH}") foreach(lang ${languages}) foreach(cmd ${CMAKE_${lang}_CREATE_STATIC_LIBRARY}) list(APPEND CMAKE_${lang}_CREATE_STATIC_LIBRARY_NEW "${dyld_envar} ${cmd}") endforeach() set(CMAKE_${lang}_CREATE_STATIC_LIBRARY ${CMAKE_${lang}_CREATE_STATIC_LIBRARY_NEW}) endforeach() endif() endif() # Side-by-side subprojects layout: automatically set the # LLVM_EXTERNAL_${project}_SOURCE_DIR using LLVM_ALL_PROJECTS # This allows an easy way of setting up a build directory for llvm and another # one for llvm+clang+... using the same sources. set(LLVM_ALL_PROJECTS "clang;clang-tools-extra;compiler-rt;debuginfo-tests;libclc;libcxx;libcxxabi;libunwind;lld;lldb;llgo;openmp;parallel-libs;polly;pstl") set(LLVM_ENABLE_PROJECTS "" CACHE STRING "Semicolon-separated list of projects to build (${LLVM_ALL_PROJECTS}), or \"all\".") if( LLVM_ENABLE_PROJECTS STREQUAL "all" ) set( LLVM_ENABLE_PROJECTS ${LLVM_ALL_PROJECTS}) endif() # LLVM_ENABLE_PROJECTS_USED is `ON` if the user has ever used the # `LLVM_ENABLE_PROJECTS` CMake cache variable. This exists for # several reasons: # # * As an indicator that the `LLVM_ENABLE_PROJECTS` list is now the single # source of truth for which projects to build. This means we will ignore user # supplied `LLVM_TOOL__BUILD` CMake cache variables and overwrite # them. # # * The case where the user previously had `LLVM_ENABLE_PROJECTS` set to a # non-empty list but now the user wishes to disable building all other projects # by setting `LLVM_ENABLE_PROJECTS` to an empty string. In that case we still # need to set the `LLVM_TOOL_${upper_proj}_BUILD` variables so that we disable # building all the projects that were previously enabled. set(LLVM_ENABLE_PROJECTS_USED OFF CACHE BOOL "") mark_as_advanced(LLVM_ENABLE_PROJECTS_USED) if (LLVM_ENABLE_PROJECTS_USED OR NOT LLVM_ENABLE_PROJECTS STREQUAL "") set(LLVM_ENABLE_PROJECTS_USED ON CACHE BOOL "" FORCE) foreach(proj ${LLVM_ALL_PROJECTS} ${LLVM_EXTERNAL_PROJECTS}) string(TOUPPER "${proj}" upper_proj) string(REGEX REPLACE "-" "_" upper_proj ${upper_proj}) if ("${proj}" IN_LIST LLVM_ENABLE_PROJECTS) message(STATUS "${proj} project is enabled") set(SHOULD_ENABLE_PROJECT TRUE) set(PROJ_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../${proj}") if(NOT EXISTS "${PROJ_DIR}" OR NOT IS_DIRECTORY "${PROJ_DIR}") message(FATAL_ERROR "LLVM_ENABLE_PROJECTS requests ${proj} but directory not found: ${PROJ_DIR}") endif() set(LLVM_EXTERNAL_${upper_proj}_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../${proj}" CACHE STRING "") else() message(STATUS "${proj} project is disabled") set(SHOULD_ENABLE_PROJECT FALSE) endif() # Force `LLVM_TOOL_${upper_proj}_BUILD` variables to have values that # corresponds with `LLVM_ENABLE_PROJECTS`. This prevents the user setting # `LLVM_TOOL_${upper_proj}_BUILD` variables externally. At some point # we should deprecate allowing users to set these variables by turning them # into normal CMake variables rather than cache variables. set(LLVM_TOOL_${upper_proj}_BUILD ${SHOULD_ENABLE_PROJECT} CACHE BOOL "Whether to build ${upper_proj} as part of LLVM" FORCE ) endforeach() endif() unset(SHOULD_ENABLE_PROJECT) # Build llvm with ccache if the package is present set(LLVM_CCACHE_BUILD OFF CACHE BOOL "Set to ON for a ccache enabled build") if(LLVM_CCACHE_BUILD) find_program(CCACHE_PROGRAM ccache) if(CCACHE_PROGRAM) set(LLVM_CCACHE_MAXSIZE "" CACHE STRING "Size of ccache") set(LLVM_CCACHE_DIR "" CACHE STRING "Directory to keep ccached data") set(LLVM_CCACHE_PARAMS "CCACHE_CPP2=yes CCACHE_HASHDIR=yes" CACHE STRING "Parameters to pass through to ccache") set(CCACHE_PROGRAM "${LLVM_CCACHE_PARAMS} ${CCACHE_PROGRAM}") if (LLVM_CCACHE_MAXSIZE) set(CCACHE_PROGRAM "CCACHE_MAXSIZE=${LLVM_CCACHE_MAXSIZE} ${CCACHE_PROGRAM}") endif() if (LLVM_CCACHE_DIR) set(CCACHE_PROGRAM "CCACHE_DIR=${LLVM_CCACHE_DIR} ${CCACHE_PROGRAM}") endif() set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ${CCACHE_PROGRAM}) else() message(FATAL_ERROR "Unable to find the program ccache. Set LLVM_CCACHE_BUILD to OFF") endif() endif() option(LLVM_DEPENDENCY_DEBUGGING "Dependency debugging mode to verify correctly expressed library dependencies (Darwin only)" OFF) # Some features of the LLVM build may be disallowed when dependency debugging is # enabled. In particular you cannot use ccache because we want to force compile # operations to always happen. if(LLVM_DEPENDENCY_DEBUGGING) if(NOT CMAKE_HOST_APPLE) message(FATAL_ERROR "Dependency debugging is only currently supported on Darwin hosts.") endif() if(LLVM_CCACHE_BUILD) message(FATAL_ERROR "Cannot enable dependency debugging while using ccache.") endif() endif() option(LLVM_ENABLE_DAGISEL_COV "Debug: Prints tablegen patterns that were used for selecting" OFF) option(LLVM_ENABLE_GISEL_COV "Enable collection of GlobalISel rule coverage" OFF) if(LLVM_ENABLE_GISEL_COV) set(LLVM_GISEL_COV_PREFIX "${CMAKE_BINARY_DIR}/gisel-coverage-" CACHE STRING "Provide a filename prefix to collect the GlobalISel rule coverage") endif() # Add path for custom modules set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/cmake" "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules" ) # Generate a CompilationDatabase (compile_commands.json file) for our build, # for use by clang_complete, YouCompleteMe, etc. set(CMAKE_EXPORT_COMPILE_COMMANDS 1) option(LLVM_INSTALL_BINUTILS_SYMLINKS "Install symlinks from the binutils tool names to the corresponding LLVM tools." OFF) option(LLVM_INSTALL_UTILS "Include utility binaries in the 'install' target." OFF) option(LLVM_INSTALL_TOOLCHAIN_ONLY "Only include toolchain files in the 'install' target." OFF) # Unfortunatly Clang is too eager to search directories for module maps, which can cause the # installed version of the maps to be found when building LLVM from source. Therefore we turn off # the installation by default. See llvm.org/PR31905. option(LLVM_INSTALL_MODULEMAPS "Install the modulemap files in the 'install' target." OFF) option(LLVM_USE_FOLDERS "Enable solution folders in Visual Studio. Disable for Express versions." ON) if ( LLVM_USE_FOLDERS ) set_property(GLOBAL PROPERTY USE_FOLDERS ON) endif() include(VersionFromVCS) option(LLVM_APPEND_VC_REV "Embed the version control system revision in LLVM" ON) set(PACKAGE_NAME LLVM) set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}") set(PACKAGE_BUGREPORT "https://bugs.llvm.org/") set(BUG_REPORT_URL "${PACKAGE_BUGREPORT}" CACHE STRING "Default URL where bug reports are to be submitted.") # Configure CPack. set(CPACK_PACKAGE_INSTALL_DIRECTORY "LLVM") set(CPACK_PACKAGE_VENDOR "LLVM") set(CPACK_PACKAGE_VERSION_MAJOR ${LLVM_VERSION_MAJOR}) set(CPACK_PACKAGE_VERSION_MINOR ${LLVM_VERSION_MINOR}) set(CPACK_PACKAGE_VERSION_PATCH ${LLVM_VERSION_PATCH}) set(CPACK_PACKAGE_VERSION ${PACKAGE_VERSION}) set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE.TXT") set(CPACK_NSIS_COMPRESSOR "/SOLID lzma \r\n SetCompressorDictSize 32") if(WIN32 AND NOT UNIX) set(CPACK_PACKAGE_INSTALL_REGISTRY_KEY "LLVM") set(CPACK_PACKAGE_ICON "${CMAKE_CURRENT_SOURCE_DIR}\\\\cmake\\\\nsis_logo.bmp") set(CPACK_NSIS_MUI_ICON "${CMAKE_CURRENT_SOURCE_DIR}\\\\cmake\\\\nsis_icon.ico") set(CPACK_NSIS_MUI_UNIICON "${CMAKE_CURRENT_SOURCE_DIR}\\\\cmake\\\\nsis_icon.ico") set(CPACK_NSIS_MODIFY_PATH "ON") set(CPACK_NSIS_ENABLE_UNINSTALL_BEFORE_INSTALL "ON") if( CMAKE_CL_64 ) set(CPACK_NSIS_INSTALL_ROOT "$PROGRAMFILES64") endif() endif() include(CPack) # Sanity check our source directory to make sure that we are not trying to # generate an in-source build (unless on MSVC_IDE, where it is ok), and to make # sure that we don't have any stray generated files lying around in the tree # (which would end up getting picked up by header search, instead of the correct # versions). if( CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR AND NOT MSVC_IDE ) message(FATAL_ERROR "In-source builds are not allowed. 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() string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE) if (CMAKE_BUILD_TYPE AND NOT uppercase_CMAKE_BUILD_TYPE MATCHES "^(DEBUG|RELEASE|RELWITHDEBINFO|MINSIZEREL)$") message(FATAL_ERROR "Invalid value for CMAKE_BUILD_TYPE: ${CMAKE_BUILD_TYPE}") endif() set(LLVM_LIBDIR_SUFFIX "" CACHE STRING "Define suffix of library directory name (32/64)" ) set(LLVM_TOOLS_INSTALL_DIR "bin" CACHE STRING "Path for binary subdirectory (defaults to 'bin')") mark_as_advanced(LLVM_TOOLS_INSTALL_DIR) set(LLVM_UTILS_INSTALL_DIR "${LLVM_TOOLS_INSTALL_DIR}" CACHE STRING "Path to install LLVM utilities (enabled by LLVM_INSTALL_UTILS=ON) (defaults to LLVM_TOOLS_INSTALL_DIR)") mark_as_advanced(LLVM_UTILS_INSTALL_DIR) # They are used as destination of target generators. set(LLVM_RUNTIME_OUTPUT_INTDIR ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/bin) set(LLVM_LIBRARY_OUTPUT_INTDIR ${CMAKE_CURRENT_BINARY_DIR}/${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() # Each of them corresponds to llvm-config's. set(LLVM_TOOLS_BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR}) # --bindir set(LLVM_LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}) # --libdir set(LLVM_MAIN_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR} ) # --src-root set(LLVM_MAIN_INCLUDE_DIR ${LLVM_MAIN_SRC_DIR}/include ) # --includedir set(LLVM_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR} ) # --prefix # Note: LLVM_CMAKE_PATH does not include generated files set(LLVM_CMAKE_PATH ${LLVM_MAIN_SRC_DIR}/cmake/modules) set(LLVM_EXAMPLES_BINARY_DIR ${LLVM_BINARY_DIR}/examples) set(LLVM_INCLUDE_DIR ${CMAKE_CURRENT_BINARY_DIR}/include) # List of all targets to be built by default: set(LLVM_ALL_TARGETS AArch64 AMDGPU ARM BPF Hexagon Lanai Mips MSP430 NVPTX PowerPC Sparc SystemZ WebAssembly X86 XCore ) # List of targets with JIT support: set(LLVM_TARGETS_WITH_JIT X86 PowerPC AArch64 ARM Mips SystemZ) set(LLVM_TARGETS_TO_BUILD "all" CACHE STRING "Semicolon-separated list of targets to build, or \"all\".") set(LLVM_EXPERIMENTAL_TARGETS_TO_BUILD "" CACHE STRING "Semicolon-separated list of experimental targets to build.") option(BUILD_SHARED_LIBS "Build all libraries as shared libraries instead of static" OFF) option(LLVM_ENABLE_BACKTRACES "Enable embedding backtraces on crash." ON) if(LLVM_ENABLE_BACKTRACES) set(ENABLE_BACKTRACES 1) endif() option(LLVM_ENABLE_CRASH_OVERRIDES "Enable crash overrides." ON) if(LLVM_ENABLE_CRASH_OVERRIDES) set(ENABLE_CRASH_OVERRIDES 1) endif() option(LLVM_ENABLE_CRASH_DUMPS "Turn on memory dumps on crashes. Currently only implemented on Windows." OFF) option(LLVM_ENABLE_FFI "Use libffi to call external functions from the interpreter" OFF) set(FFI_LIBRARY_DIR "" CACHE PATH "Additional directory, where CMake should search for libffi.so") set(FFI_INCLUDE_DIR "" CACHE PATH "Additional directory, where CMake should search for ffi.h or ffi/ffi.h") set(LLVM_TARGET_ARCH "host" CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.") option(LLVM_ENABLE_TERMINFO "Use terminfo database if available." ON) set(LLVM_ENABLE_LIBXML2 "ON" CACHE STRING "Use libxml2 if available. Can be ON, OFF, or FORCE_ON") option(LLVM_ENABLE_LIBEDIT "Use libedit if available." ON) option(LLVM_ENABLE_LIBPFM "Use libpfm for performance counters if available." ON) option(LLVM_ENABLE_THREADS "Use threads if available." ON) option(LLVM_ENABLE_ZLIB "Use zlib for compression/decompression if available." ON) set(LLVM_Z3_INSTALL_DIR "" CACHE STRING "Install directory of the Z3 solver.") find_package(Z3 4.7.1) if (LLVM_Z3_INSTALL_DIR) if (NOT Z3_FOUND) message(FATAL_ERROR "Z3 >= 4.7.1 has not been found in LLVM_Z3_INSTALL_DIR: ${LLVM_Z3_INSTALL_DIR}.") endif() endif() set(LLVM_ENABLE_Z3_SOLVER_DEFAULT "${Z3_FOUND}") option(LLVM_ENABLE_Z3_SOLVER "Enable Support for the Z3 constraint solver in LLVM." ${LLVM_ENABLE_Z3_SOLVER_DEFAULT} ) if (LLVM_ENABLE_Z3_SOLVER) if (NOT Z3_FOUND) message(FATAL_ERROR "LLVM_ENABLE_Z3_SOLVER cannot be enabled when Z3 is not available.") endif() set(LLVM_WITH_Z3 1) endif() if( LLVM_TARGETS_TO_BUILD STREQUAL "all" ) set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} ) endif() set(LLVM_TARGETS_TO_BUILD ${LLVM_TARGETS_TO_BUILD} ${LLVM_EXPERIMENTAL_TARGETS_TO_BUILD}) list(REMOVE_DUPLICATES LLVM_TARGETS_TO_BUILD) option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON) option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON) option(LLVM_ENABLE_MODULES "Compile with C++ modules enabled." OFF) if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin") option(LLVM_ENABLE_MODULE_DEBUGGING "Compile with -gmodules." ON) option(LLVM_ENABLE_LOCAL_SUBMODULE_VISIBILITY "Compile with -fmodules-local-submodule-visibility." OFF) else() option(LLVM_ENABLE_MODULE_DEBUGGING "Compile with -gmodules." OFF) option(LLVM_ENABLE_LOCAL_SUBMODULE_VISIBILITY "Compile with -fmodules-local-submodule-visibility." ON) endif() option(LLVM_ENABLE_LIBCXX "Use libc++ if available." OFF) option(LLVM_ENABLE_LLD "Use lld as C and C++ linker." OFF) option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON) option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF) -set(LLVM_CXX_STD_default "c++11") -# Preserve behaviour of legacy cache variables -if (LLVM_ENABLE_CXX1Y) - set(LLVM_CXX_STD_default "c++1y") -elseif (LLVM_ENABLE_CXX1Z) - set(LLVM_CXX_STD_default "c++1z") -endif() -set(LLVM_CXX_STD ${LLVM_CXX_STD_default} - CACHE STRING "C++ standard to use for compilation.") - option(LLVM_ENABLE_DUMP "Enable dump functions even when assertions are disabled" OFF) if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG" ) option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF) else() option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON) endif() option(LLVM_ENABLE_EXPENSIVE_CHECKS "Enable expensive checks" OFF) set(LLVM_ABI_BREAKING_CHECKS "WITH_ASSERTS" CACHE STRING "Enable abi-breaking checks. Can be WITH_ASSERTS, FORCE_ON or FORCE_OFF.") option(LLVM_FORCE_USE_OLD_TOOLCHAIN "Set to ON to force using an old, unsupported host toolchain." OFF) option(LLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN "Set to ON to only warn when using a toolchain which is about to be deprecated, instead of emitting an error." OFF) option(LLVM_USE_INTEL_JITEVENTS "Use Intel JIT API to inform Intel(R) VTune(TM) Amplifier XE 2011 about JIT code" OFF) if( LLVM_USE_INTEL_JITEVENTS ) # Verify we are on a supported platform if( NOT CMAKE_SYSTEM_NAME MATCHES "Windows" AND NOT CMAKE_SYSTEM_NAME MATCHES "Linux" ) message(FATAL_ERROR "Intel JIT API support is available on Linux and Windows only.") endif() endif( LLVM_USE_INTEL_JITEVENTS ) option(LLVM_USE_OPROFILE "Use opagent JIT interface to inform OProfile about JIT code" OFF) option(LLVM_EXTERNALIZE_DEBUGINFO "Generate dSYM files and strip executables and libraries (Darwin Only)" OFF) set(LLVM_CODESIGNING_IDENTITY "" CACHE STRING "Sign executables and dylibs with the given identity or skip if empty (Darwin Only)") # If enabled, verify we are on a platform that supports oprofile. if( LLVM_USE_OPROFILE ) if( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" ) message(FATAL_ERROR "OProfile support is available on Linux only.") endif( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" ) endif( LLVM_USE_OPROFILE ) option(LLVM_USE_PERF "Use perf JIT interface to inform perf about JIT code" OFF) # If enabled, verify we are on a platform that supports perf. if( LLVM_USE_PERF ) if( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" ) message(FATAL_ERROR "perf support is available on Linux only.") endif( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" ) endif( LLVM_USE_PERF ) set(LLVM_USE_SANITIZER "" CACHE STRING "Define the sanitizer used to build binaries and tests.") option(LLVM_OPTIMIZE_SANITIZED_BUILDS "Pass -O1 on debug sanitizer builds" ON) set(LLVM_LIB_FUZZING_ENGINE "" CACHE PATH "Path to fuzzing library for linking with fuzz targets") option(LLVM_USE_SPLIT_DWARF "Use -gsplit-dwarf when compiling llvm." OFF) option(LLVM_POLLY_LINK_INTO_TOOLS "Statically link Polly into tools (if available)" ON) option(LLVM_POLLY_BUILD "Build LLVM with Polly" ON) if (EXISTS ${LLVM_MAIN_SRC_DIR}/tools/polly/CMakeLists.txt) set(POLLY_IN_TREE TRUE) elseif(LLVM_EXTERNAL_POLLY_SOURCE_DIR) set(POLLY_IN_TREE TRUE) else() set(POLLY_IN_TREE FALSE) endif() if (LLVM_POLLY_BUILD AND POLLY_IN_TREE) set(WITH_POLLY ON) else() set(WITH_POLLY OFF) endif() if (LLVM_POLLY_LINK_INTO_TOOLS AND WITH_POLLY) set(LINK_POLLY_INTO_TOOLS ON) else() set(LINK_POLLY_INTO_TOOLS OFF) endif() # Define an option controlling whether we should build for 32-bit on 64-bit # platforms, where supported. if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 ) # TODO: support other platforms and toolchains. option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF) endif() # Define the default arguments to use with 'lit', and an option for the user to # override. set(LIT_ARGS_DEFAULT "-sv") if (MSVC_IDE OR XCODE) set(LIT_ARGS_DEFAULT "${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() # Define options to control the inclusion and default build behavior for # components which may not strictly be necessary (tools, examples, and tests). # # This is primarily to support building smaller or faster project files. option(LLVM_INCLUDE_TOOLS "Generate build targets for the LLVM tools." ON) option(LLVM_BUILD_TOOLS "Build the LLVM tools. If OFF, just generate build targets." ON) option(LLVM_INCLUDE_UTILS "Generate build targets for the LLVM utils." ON) option(LLVM_BUILD_UTILS "Build LLVM utility binaries. If OFF, just generate build targets." ON) option(LLVM_INCLUDE_RUNTIMES "Generate build targets for the LLVM runtimes." ON) option(LLVM_BUILD_RUNTIMES "Build the LLVM runtimes. If OFF, just generate build targets." ON) option(LLVM_BUILD_RUNTIME "Build the LLVM runtime libraries." ON) option(LLVM_BUILD_EXAMPLES "Build the LLVM example programs. If OFF, just generate build targets." OFF) option(LLVM_INCLUDE_EXAMPLES "Generate build targets for the LLVM examples" ON) option(LLVM_BUILD_TESTS "Build LLVM unit tests. If OFF, just generate build targets." OFF) option(LLVM_INCLUDE_TESTS "Generate build targets for the LLVM unit tests." ON) option(LLVM_INCLUDE_GO_TESTS "Include the Go bindings tests in test build targets." ON) option(LLVM_BUILD_BENCHMARKS "Add LLVM benchmark targets to the list of default targets. If OFF, benchmarks still could be built using Benchmarks target." OFF) option(LLVM_INCLUDE_BENCHMARKS "Generate benchmark targets. If OFF, benchmarks can't be built." ON) option (LLVM_BUILD_DOCS "Build the llvm documentation." OFF) option (LLVM_INCLUDE_DOCS "Generate build targets for llvm documentation." ON) option (LLVM_ENABLE_DOXYGEN "Use doxygen to generate llvm API documentation." OFF) option (LLVM_ENABLE_SPHINX "Use Sphinx to generate llvm documentation." OFF) option (LLVM_ENABLE_OCAMLDOC "Build OCaml bindings documentation." ON) option (LLVM_ENABLE_BINDINGS "Build bindings." ON) set(LLVM_INSTALL_DOXYGEN_HTML_DIR "share/doc/llvm/doxygen-html" CACHE STRING "Doxygen-generated HTML documentation install directory") set(LLVM_INSTALL_OCAMLDOC_HTML_DIR "share/doc/llvm/ocaml-html" CACHE STRING "OCamldoc-generated HTML documentation install directory") option (LLVM_BUILD_EXTERNAL_COMPILER_RT "Build compiler-rt as an external project." OFF) option (LLVM_VERSION_PRINTER_SHOW_HOST_TARGET_INFO "Show target and host info when tools are invoked with --version." ON) # You can configure which libraries from LLVM you want to include in the # shared library by setting LLVM_DYLIB_COMPONENTS to a semi-colon delimited # list of LLVM components. All component names handled by llvm-config are valid. if(NOT DEFINED LLVM_DYLIB_COMPONENTS) set(LLVM_DYLIB_COMPONENTS "all" CACHE STRING "Semicolon-separated list of components to include in libLLVM, or \"all\".") endif() option(LLVM_LINK_LLVM_DYLIB "Link tools against the libllvm dynamic library" OFF) if(MSVC) option(LLVM_BUILD_LLVM_C_DYLIB "Build LLVM-C.dll (Windows only)" ON) else() option(LLVM_BUILD_LLVM_C_DYLIB "Build libllvm-c re-export library (Darwin only)" OFF) endif() set(LLVM_BUILD_LLVM_DYLIB_default OFF) if(LLVM_LINK_LLVM_DYLIB OR (LLVM_BUILD_LLVM_C_DYLIB AND NOT MSVC)) set(LLVM_BUILD_LLVM_DYLIB_default ON) endif() option(LLVM_BUILD_LLVM_DYLIB "Build libllvm dynamic library" ${LLVM_BUILD_LLVM_DYLIB_default}) option(LLVM_OPTIMIZED_TABLEGEN "Force TableGen to be built with optimization" OFF) if(CMAKE_CROSSCOMPILING OR (LLVM_OPTIMIZED_TABLEGEN AND (LLVM_ENABLE_ASSERTIONS OR CMAKE_CONFIGURATION_TYPES))) set(LLVM_USE_HOST_TOOLS ON) endif() if (MSVC_IDE AND NOT (MSVC_VERSION LESS 1900)) option(LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION "Configure project to use Visual Studio native visualizers" TRUE) else() set(LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION FALSE CACHE INTERNAL "For Visual Studio 2013, manually copy natvis files to Documents\\Visual Studio 2013\\Visualizers" FORCE) endif() if (LLVM_BUILD_INSTRUMENTED OR LLVM_BUILD_INSTRUMENTED_COVERAGE OR LLVM_ENABLE_IR_PGO) if(NOT LLVM_PROFILE_MERGE_POOL_SIZE) # A pool size of 1-2 is probably sufficient on a SSD. 3-4 should be fine # for spining disks. Anything higher may only help on slower mediums. set(LLVM_PROFILE_MERGE_POOL_SIZE "4") endif() if(NOT LLVM_PROFILE_FILE_PATTERN) if(NOT LLVM_PROFILE_DATA_DIR) file(TO_NATIVE_PATH "${LLVM_BINARY_DIR}/profiles" LLVM_PROFILE_DATA_DIR) endif() file(TO_NATIVE_PATH "${LLVM_PROFILE_DATA_DIR}/%${LLVM_PROFILE_MERGE_POOL_SIZE}m.profraw" LLVM_PROFILE_FILE_PATTERN) endif() if(NOT LLVM_CSPROFILE_FILE_PATTERN) if(NOT LLVM_CSPROFILE_DATA_DIR) file(TO_NATIVE_PATH "${LLVM_BINARY_DIR}/csprofiles" LLVM_CSPROFILE_DATA_DIR) endif() file(TO_NATIVE_PATH "${LLVM_CSPROFILE_DATA_DIR}/%${LLVM_PROFILE_MERGE_POOL_SIZE}m.profraw" LLVM_CSPROFILE_FILE_PATTERN) endif() endif() if (LLVM_BUILD_STATIC) set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static") endif() # Override the default target with an environment variable named by LLVM_TARGET_TRIPLE_ENV. set(LLVM_TARGET_TRIPLE_ENV CACHE STRING "The name of environment variable to override default target. Disabled by blank.") mark_as_advanced(LLVM_TARGET_TRIPLE_ENV) set(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR OFF CACHE BOOL "Enable per-target runtimes directory") # All options referred to from HandleLLVMOptions have to be specified # BEFORE this include, otherwise options will not be correctly set on # first cmake run include(config-ix) string(REPLACE "Native" ${LLVM_NATIVE_ARCH} LLVM_TARGETS_TO_BUILD "${LLVM_TARGETS_TO_BUILD}") list(REMOVE_DUPLICATES LLVM_TARGETS_TO_BUILD) # By default, we target the host, but this can be overridden at CMake # invocation time. set(LLVM_DEFAULT_TARGET_TRIPLE "${LLVM_HOST_TRIPLE}" CACHE STRING "Default target for which LLVM will generate code." ) set(TARGET_TRIPLE "${LLVM_DEFAULT_TARGET_TRIPLE}") message(STATUS "LLVM host triple: ${LLVM_HOST_TRIPLE}") message(STATUS "LLVM default target triple: ${LLVM_DEFAULT_TARGET_TRIPLE}") include(HandleLLVMOptions) # Verify that we can find a Python 2 interpreter. Python 3 is unsupported. # FIXME: We should support systems with only Python 3, but that requires work # on LLDB. 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( ${PYTHON_VERSION_STRING} VERSION_LESS 2.7 ) message(FATAL_ERROR "Python 2.7 or newer is required") endif() ###### # LLVMBuild Integration # # We use llvm-build to generate all the data required by the CMake based # build system in one swoop: # # - We generate a file (a CMake fragment) in the object root which contains # all the definitions that are required by CMake. # # - We generate the library table used by llvm-config. # # - We generate the dependencies for the CMake fragment, so that we will # automatically reconfigure ourselves. set(LLVMBUILDTOOL "${LLVM_MAIN_SRC_DIR}/utils/llvm-build/llvm-build") set(LLVMCONFIGLIBRARYDEPENDENCIESINC "${LLVM_BINARY_DIR}/tools/llvm-config/LibraryDependencies.inc") set(LLVMBUILDCMAKEFRAG "${LLVM_BINARY_DIR}/LLVMBuild.cmake") # Create the list of optional components that are enabled if (LLVM_USE_INTEL_JITEVENTS) set(LLVMOPTIONALCOMPONENTS IntelJITEvents) endif (LLVM_USE_INTEL_JITEVENTS) if (LLVM_USE_OPROFILE) set(LLVMOPTIONALCOMPONENTS ${LLVMOPTIONALCOMPONENTS} OProfileJIT) endif (LLVM_USE_OPROFILE) if (LLVM_USE_PERF) set(LLVMOPTIONALCOMPONENTS ${LLVMOPTIONALCOMPONENTS} PerfJITEvents) endif (LLVM_USE_PERF) message(STATUS "Constructing LLVMBuild project information") execute_process( COMMAND ${PYTHON_EXECUTABLE} -B ${LLVMBUILDTOOL} --native-target "${LLVM_NATIVE_ARCH}" --enable-targets "${LLVM_TARGETS_TO_BUILD}" --enable-optional-components "${LLVMOPTIONALCOMPONENTS}" --write-library-table ${LLVMCONFIGLIBRARYDEPENDENCIESINC} --write-cmake-fragment ${LLVMBUILDCMAKEFRAG} OUTPUT_VARIABLE LLVMBUILDOUTPUT ERROR_VARIABLE LLVMBUILDERRORS OUTPUT_STRIP_TRAILING_WHITESPACE ERROR_STRIP_TRAILING_WHITESPACE RESULT_VARIABLE LLVMBUILDRESULT) # On Win32, CMake doesn't properly handle piping the default output/error # streams into the GUI console. So, we explicitly catch and report them. if( NOT "${LLVMBUILDOUTPUT}" STREQUAL "") message(STATUS "llvm-build output: ${LLVMBUILDOUTPUT}") endif() if( NOT "${LLVMBUILDRESULT}" STREQUAL "0" ) message(FATAL_ERROR "Unexpected failure executing llvm-build: ${LLVMBUILDERRORS}") endif() # Include the generated CMake fragment. This will define properties from the # LLVMBuild files in a format which is easy to consume from CMake, and will add # the dependencies so that CMake will reconfigure properly when the LLVMBuild # files change. include(${LLVMBUILDCMAKEFRAG}) ###### # Configure all of the various header file fragments LLVM uses which depend on # configuration variables. set(LLVM_ENUM_TARGETS "") set(LLVM_ENUM_ASM_PRINTERS "") set(LLVM_ENUM_ASM_PARSERS "") set(LLVM_ENUM_DISASSEMBLERS "") foreach(t ${LLVM_TARGETS_TO_BUILD}) set( td ${LLVM_MAIN_SRC_DIR}/lib/Target/${t} ) list(FIND LLVM_ALL_TARGETS ${t} idx) list(FIND LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ${t} idy) # At this point, LLVMBUILDTOOL already checked all the targets passed in # LLVM_TARGETS_TO_BUILD and LLVM_EXPERIMENTAL_TARGETS_TO_BUILD, so # this test just makes sure that any experimental targets were passed via # LLVM_EXPERIMENTAL_TARGETS_TO_BUILD, not LLVM_TARGETS_TO_BUILD. if( idx LESS 0 AND idy LESS 0 ) message(FATAL_ERROR "The target `${t}' is experimental and must be passed " "via LLVM_EXPERIMENTAL_TARGETS_TO_BUILD.") else() set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${t})\n") endif() file(GLOB asmp_file "${td}/*AsmPrinter.cpp") if( asmp_file ) set(LLVM_ENUM_ASM_PRINTERS "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n") endif() if( EXISTS ${td}/AsmParser/CMakeLists.txt ) set(LLVM_ENUM_ASM_PARSERS "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n") endif() if( EXISTS ${td}/Disassembler/CMakeLists.txt ) set(LLVM_ENUM_DISASSEMBLERS "${LLVM_ENUM_DISASSEMBLERS}LLVM_DISASSEMBLER(${t})\n") endif() endforeach(t) # Produce the target definition files, which provide a way for clients to easily # include various classes of targets. configure_file( ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in ${LLVM_INCLUDE_DIR}/llvm/Config/AsmPrinters.def ) configure_file( ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in ${LLVM_INCLUDE_DIR}/llvm/Config/AsmParsers.def ) configure_file( ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Disassemblers.def.in ${LLVM_INCLUDE_DIR}/llvm/Config/Disassemblers.def ) configure_file( ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in ${LLVM_INCLUDE_DIR}/llvm/Config/Targets.def ) # Configure the three LLVM configuration header files. configure_file( ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/config.h.cmake ${LLVM_INCLUDE_DIR}/llvm/Config/config.h) configure_file( ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/llvm-config.h.cmake ${LLVM_INCLUDE_DIR}/llvm/Config/llvm-config.h) configure_file( ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/abi-breaking.h.cmake ${LLVM_INCLUDE_DIR}/llvm/Config/abi-breaking.h) # Add target for generating source rpm package. set(LLVM_SRPM_USER_BINARY_SPECFILE ${CMAKE_CURRENT_SOURCE_DIR}/llvm.spec.in CACHE FILEPATH ".spec file to use for srpm generation") set(LLVM_SRPM_BINARY_SPECFILE ${CMAKE_CURRENT_BINARY_DIR}/llvm.spec) set(LLVM_SRPM_DIR "${CMAKE_CURRENT_BINARY_DIR}/srpm") get_source_info(${CMAKE_CURRENT_SOURCE_DIR} revision repository) string(LENGTH "${revision}" revision_length) if(revision MATCHES "^[0-9]+$" AND revision_length LESS 40) set(LLVM_RPM_SPEC_REVISION "r${revision}") else() set(LLVM_RPM_SPEC_REVISION "${revision}") endif() configure_file( ${LLVM_SRPM_USER_BINARY_SPECFILE} ${LLVM_SRPM_BINARY_SPECFILE} @ONLY) add_custom_target(srpm COMMAND cpack -G TGZ --config CPackSourceConfig.cmake -B ${LLVM_SRPM_DIR}/SOURCES COMMAND rpmbuild -bs --define '_topdir ${LLVM_SRPM_DIR}' ${LLVM_SRPM_BINARY_SPECFILE}) set_target_properties(srpm PROPERTIES FOLDER "Misc") # They are not referenced. See set_output_directory(). set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/bin ) set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} ) set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} ) if(APPLE AND DARWIN_LTO_LIBRARY) set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-lto_library -Wl,${DARWIN_LTO_LIBRARY}") set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,-lto_library -Wl,${DARWIN_LTO_LIBRARY}") set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -Wl,-lto_library -Wl,${DARWIN_LTO_LIBRARY}") endif() # Work around a broken bfd ld behavior. When linking a binary with a # foo.so library, it will try to find any library that foo.so uses and # check its symbols. This is wasteful (the check was done when foo.so # was created) and can fail since it is not the dynamic linker and # doesn't know how to handle search paths correctly. if (UNIX AND NOT APPLE AND NOT ${CMAKE_SYSTEM_NAME} MATCHES "SunOS|AIX") set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-allow-shlib-undefined") endif() set(CMAKE_INCLUDE_CURRENT_DIR ON) include_directories( ${LLVM_INCLUDE_DIR} ${LLVM_MAIN_INCLUDE_DIR}) # when crosscompiling import the executable targets from a file if(LLVM_USE_HOST_TOOLS) include(CrossCompile) endif(LLVM_USE_HOST_TOOLS) if(LLVM_TARGET_IS_CROSSCOMPILE_HOST) # Dummy use to avoid CMake Warning: Manually-specified variables were not used # (this is a variable that CrossCompile sets on recursive invocations) endif() if(${CMAKE_SYSTEM_NAME} MATCHES "(FreeBSD|DragonFly)") # On FreeBSD, /usr/local/* is not used by default. In order to build LLVM # with libxml2, iconv.h, etc., we must add /usr/local paths. include_directories(SYSTEM "/usr/local/include") link_directories("/usr/local/lib") endif(${CMAKE_SYSTEM_NAME} MATCHES "(FreeBSD|DragonFly)") if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS ) # special hack for Solaris to handle crazy system sys/regset.h include_directories("${LLVM_MAIN_INCLUDE_DIR}/llvm/Support/Solaris") endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS ) # Make sure we don't get -rdynamic in every binary. For those that need it, # use export_executable_symbols(target). set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "") set(LLVM_PROFDATA_FILE "" CACHE FILEPATH "Profiling data file to use when compiling in order to improve runtime performance.") if(LLVM_PROFDATA_FILE AND EXISTS ${LLVM_PROFDATA_FILE}) if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" ) add_definitions("-fprofile-instr-use=${LLVM_PROFDATA_FILE}") else() message(FATAL_ERROR "LLVM_PROFDATA_FILE can only be specified when compiling with clang") endif() endif() include(AddLLVM) include(TableGen) if( MINGW AND NOT "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" ) # People report that -O3 is unreliable on MinGW. The traditional # build also uses -O2 for that reason: llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2") endif() # Put this before tblgen. Else we have a circular dependence. add_subdirectory(lib/Demangle) add_subdirectory(lib/Support) add_subdirectory(lib/TableGen) add_subdirectory(utils/TableGen) add_subdirectory(include/llvm) add_subdirectory(lib) if( LLVM_INCLUDE_UTILS ) add_subdirectory(utils/FileCheck) add_subdirectory(utils/PerfectShuffle) add_subdirectory(utils/count) add_subdirectory(utils/not) add_subdirectory(utils/yaml-bench) else() if ( LLVM_INCLUDE_TESTS ) message(FATAL_ERROR "Including tests when not building utils will not work. Either set LLVM_INCLUDE_UTILS to On, or set LLVM_INCLUDE_TESTS to Off.") endif() endif() # Use LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION instead of LLVM_INCLUDE_UTILS because it is not really a util if (LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION) add_subdirectory(utils/LLVMVisualizers) endif() foreach( binding ${LLVM_BINDINGS_LIST} ) if( EXISTS "${LLVM_MAIN_SRC_DIR}/bindings/${binding}/CMakeLists.txt" ) add_subdirectory(bindings/${binding}) endif() endforeach() add_subdirectory(projects) if( LLVM_INCLUDE_TOOLS ) add_subdirectory(tools) endif() if( LLVM_INCLUDE_RUNTIMES ) add_subdirectory(runtimes) endif() if( LLVM_INCLUDE_EXAMPLES ) add_subdirectory(examples) endif() if( LLVM_INCLUDE_TESTS ) if(EXISTS ${LLVM_MAIN_SRC_DIR}/projects/test-suite AND TARGET clang) include(LLVMExternalProjectUtils) llvm_ExternalProject_Add(test-suite ${LLVM_MAIN_SRC_DIR}/projects/test-suite USE_TOOLCHAIN EXCLUDE_FROM_ALL NO_INSTALL ALWAYS_CLEAN) endif() add_subdirectory(utils/lit) add_subdirectory(test) add_subdirectory(unittests) if( LLVM_INCLUDE_UTILS ) add_subdirectory(utils/unittest) endif() if (WIN32) # This utility is used to prevent crashing tests from calling Dr. Watson on # Windows. add_subdirectory(utils/KillTheDoctor) endif() # 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) get_property(LLVM_ADDITIONAL_TEST_TARGETS GLOBAL PROPERTY LLVM_ADDITIONAL_TEST_TARGETS) get_property(LLVM_ADDITIONAL_TEST_DEPENDS GLOBAL PROPERTY LLVM_ADDITIONAL_TEST_DEPENDS) add_lit_target(check-all "Running all regression tests" ${LLVM_LIT_TESTSUITES} PARAMS ${LLVM_LIT_PARAMS} DEPENDS ${LLVM_LIT_DEPENDS} ${LLVM_ADDITIONAL_TEST_TARGETS} ARGS ${LLVM_LIT_EXTRA_ARGS} ) if(TARGET check-runtimes) add_dependencies(check-all check-runtimes) endif() add_custom_target(test-depends DEPENDS ${LLVM_LIT_DEPENDS} ${LLVM_ADDITIONAL_TEST_DEPENDS}) set_target_properties(test-depends PROPERTIES FOLDER "Tests") endif() if (LLVM_INCLUDE_DOCS) add_subdirectory(docs) endif() add_subdirectory(cmake/modules) # Do this last so that all lit targets have already been created. if (LLVM_INCLUDE_UTILS) add_subdirectory(utils/llvm-lit) endif() if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY) install(DIRECTORY include/llvm include/llvm-c DESTINATION include COMPONENT llvm-headers FILES_MATCHING PATTERN "*.def" PATTERN "*.h" PATTERN "*.td" PATTERN "*.inc" PATTERN "LICENSE.TXT" PATTERN ".svn" EXCLUDE ) install(DIRECTORY ${LLVM_INCLUDE_DIR}/llvm ${LLVM_INCLUDE_DIR}/llvm-c DESTINATION include COMPONENT llvm-headers FILES_MATCHING PATTERN "*.def" PATTERN "*.h" PATTERN "*.gen" PATTERN "*.inc" # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def" PATTERN "CMakeFiles" EXCLUDE PATTERN "config.h" EXCLUDE PATTERN ".svn" EXCLUDE ) if (LLVM_INSTALL_MODULEMAPS) install(DIRECTORY include/llvm include/llvm-c DESTINATION include COMPONENT llvm-headers FILES_MATCHING PATTERN "module.modulemap" ) install(FILES include/llvm/module.install.modulemap DESTINATION include/llvm COMPONENT llvm-headers RENAME "module.extern.modulemap" ) endif(LLVM_INSTALL_MODULEMAPS) # Installing the headers needs to depend on generating any public # tablegen'd headers. add_custom_target(llvm-headers DEPENDS intrinsics_gen) set_target_properties(llvm-headers PROPERTIES FOLDER "Misc") if (NOT LLVM_ENABLE_IDE) add_llvm_install_targets(install-llvm-headers DEPENDS llvm-headers COMPONENT llvm-headers) endif() # Custom target to install all libraries. add_custom_target(llvm-libraries) set_target_properties(llvm-libraries PROPERTIES FOLDER "Misc") if (NOT LLVM_ENABLE_IDE) add_llvm_install_targets(install-llvm-libraries DEPENDS llvm-libraries COMPONENT llvm-libraries) endif() get_property(LLVM_LIBS GLOBAL PROPERTY LLVM_LIBS) if(LLVM_LIBS) list(REMOVE_DUPLICATES LLVM_LIBS) foreach(lib ${LLVM_LIBS}) add_dependencies(llvm-libraries ${lib}) if (NOT LLVM_ENABLE_IDE) add_dependencies(install-llvm-libraries install-${lib}) endif() endforeach() endif() endif() # This must be at the end of the LLVM root CMakeLists file because it must run # after all targets are created. if(LLVM_DISTRIBUTION_COMPONENTS) if(LLVM_ENABLE_IDE) message(FATAL_ERROR "LLVM_DISTRIBUTION_COMPONENTS cannot be specified with multi-configuration generators (i.e. Xcode or Visual Studio)") endif() add_custom_target(distribution) add_custom_target(install-distribution) add_custom_target(install-distribution-stripped) foreach(target ${LLVM_DISTRIBUTION_COMPONENTS} ${LLVM_RUNTIME_DISTRIBUTION_COMPONENTS}) if(TARGET ${target}) add_dependencies(distribution ${target}) else() message(SEND_ERROR "Specified distribution component '${target}' doesn't have a target") endif() if(TARGET install-${target}) add_dependencies(install-distribution install-${target}) else() message(SEND_ERROR "Specified distribution component '${target}' doesn't have an install target") endif() if(TARGET install-${target}-stripped) add_dependencies(install-distribution-stripped install-${target}-stripped) else() message(SEND_ERROR "Specified distribution component '${target}' doesn't have an install-stripped target." " Its installation target creation should be changed to use add_llvm_install_targets," " or you should manually create the 'install-${target}-stripped' target.") endif() endforeach() endif() # This allows us to deploy the Universal CRT DLLs by passing -DCMAKE_INSTALL_UCRT_LIBRARIES=ON to CMake if (MSVC AND CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows" AND CMAKE_INSTALL_UCRT_LIBRARIES) include(InstallRequiredSystemLibraries) endif() if (LLVM_INCLUDE_BENCHMARKS) # Override benchmark defaults so that when the library itself is updated these # modifications are not lost. set(BENCHMARK_ENABLE_TESTING OFF CACHE BOOL "Disable benchmark testing" FORCE) set(BENCHMARK_ENABLE_EXCEPTIONS OFF CACHE BOOL "Disable benchmark exceptions" FORCE) set(BENCHMARK_ENABLE_INSTALL OFF CACHE BOOL "Don't install benchmark" FORCE) set(BENCHMARK_DOWNLOAD_DEPENDENCIES OFF CACHE BOOL "Don't download dependencies" FORCE) set(BENCHMARK_ENABLE_GTEST_TESTS OFF CACHE BOOL "Disable Google Test in benchmark" FORCE) # Since LLVM requires C++11 it is safe to assume that std::regex is available. set(HAVE_STD_REGEX ON CACHE BOOL "OK" FORCE) add_subdirectory(utils/benchmark) add_subdirectory(benchmarks) endif() Index: llvm/trunk/cmake/modules/HandleLLVMOptions.cmake =================================================================== --- llvm/trunk/cmake/modules/HandleLLVMOptions.cmake (revision 357975) +++ llvm/trunk/cmake/modules/HandleLLVMOptions.cmake (revision 357976) @@ -1,976 +1,986 @@ # This CMake module is responsible for interpreting the user defined LLVM_ # options and executing the appropriate CMake commands to realize the users' # selections. # This is commonly needed so make sure it's defined before we include anything # else. string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE) include(CheckCompilerVersion) include(HandleLLVMStdlib) include(CheckCCompilerFlag) include(CheckCXXCompilerFlag) include(CheckSymbolExists) if(CMAKE_LINKER MATCHES "lld-link\.exe" OR (WIN32 AND LLVM_USE_LINKER STREQUAL "lld") OR LLVM_ENABLE_LLD) set(LINKER_IS_LLD_LINK TRUE) else() set(LINKER_IS_LLD_LINK FALSE) endif() +set(LLVM_CXX_STD_default "c++11") +# Preserve behaviour of legacy cache variables +if (LLVM_ENABLE_CXX1Y) + set(LLVM_CXX_STD_default "c++1y") +elseif (LLVM_ENABLE_CXX1Z) + set(LLVM_CXX_STD_default "c++1z") +endif() +set(LLVM_CXX_STD ${LLVM_CXX_STD_default} + CACHE STRING "C++ standard to use for compilation.") + set(LLVM_ENABLE_LTO OFF CACHE STRING "Build LLVM with LTO. May be specified as Thin or Full to use a particular kind of LTO") string(TOUPPER "${LLVM_ENABLE_LTO}" uppercase_LLVM_ENABLE_LTO) # Ninja Job Pool support # The following only works with the Ninja generator in CMake >= 3.0. set(LLVM_PARALLEL_COMPILE_JOBS "" CACHE STRING "Define the maximum number of concurrent compilation jobs (Ninja only).") if(LLVM_PARALLEL_COMPILE_JOBS) if(NOT CMAKE_MAKE_PROGRAM MATCHES "ninja") message(WARNING "Job pooling is only available with Ninja generators.") else() set_property(GLOBAL APPEND PROPERTY JOB_POOLS compile_job_pool=${LLVM_PARALLEL_COMPILE_JOBS}) set(CMAKE_JOB_POOL_COMPILE compile_job_pool) endif() endif() set(LLVM_PARALLEL_LINK_JOBS "" CACHE STRING "Define the maximum number of concurrent link jobs (Ninja only).") if(CMAKE_MAKE_PROGRAM MATCHES "ninja") if(NOT LLVM_PARALLEL_LINK_JOBS AND uppercase_LLVM_ENABLE_LTO STREQUAL "THIN") message(STATUS "ThinLTO provides its own parallel linking - limiting parallel link jobs to 2.") set(LLVM_PARALLEL_LINK_JOBS "2") endif() if(LLVM_PARALLEL_LINK_JOBS) set_property(GLOBAL APPEND PROPERTY JOB_POOLS link_job_pool=${LLVM_PARALLEL_LINK_JOBS}) set(CMAKE_JOB_POOL_LINK link_job_pool) endif() elseif(LLVM_PARALLEL_LINK_JOBS) message(WARNING "Job pooling is only available with Ninja generators.") endif() if( LLVM_ENABLE_ASSERTIONS ) # MSVC doesn't like _DEBUG on release builds. See PR 4379. if( NOT MSVC ) add_definitions( -D_DEBUG ) endif() # On non-Debug builds cmake automatically defines NDEBUG, so we # explicitly undefine it: if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG" ) add_definitions( -UNDEBUG ) # Also remove /D NDEBUG to avoid MSVC warnings about conflicting defines. foreach (flags_var_to_scrub CMAKE_CXX_FLAGS_RELEASE CMAKE_CXX_FLAGS_RELWITHDEBINFO CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELEASE CMAKE_C_FLAGS_RELWITHDEBINFO CMAKE_C_FLAGS_MINSIZEREL) string (REGEX REPLACE "(^| )[/-]D *NDEBUG($| )" " " "${flags_var_to_scrub}" "${${flags_var_to_scrub}}") endforeach() endif() endif() if(LLVM_ENABLE_EXPENSIVE_CHECKS) add_definitions(-DEXPENSIVE_CHECKS) add_definitions(-D_GLIBCXX_DEBUG) endif() string(TOUPPER "${LLVM_ABI_BREAKING_CHECKS}" uppercase_LLVM_ABI_BREAKING_CHECKS) if( uppercase_LLVM_ABI_BREAKING_CHECKS STREQUAL "WITH_ASSERTS" ) if( LLVM_ENABLE_ASSERTIONS ) set( LLVM_ENABLE_ABI_BREAKING_CHECKS 1 ) endif() elseif( uppercase_LLVM_ABI_BREAKING_CHECKS STREQUAL "FORCE_ON" ) set( LLVM_ENABLE_ABI_BREAKING_CHECKS 1 ) elseif( uppercase_LLVM_ABI_BREAKING_CHECKS STREQUAL "FORCE_OFF" ) # We don't need to do anything special to turn off ABI breaking checks. elseif( NOT DEFINED LLVM_ABI_BREAKING_CHECKS ) # Treat LLVM_ABI_BREAKING_CHECKS like "FORCE_OFF" when it has not been # defined. else() message(FATAL_ERROR "Unknown value for LLVM_ABI_BREAKING_CHECKS: \"${LLVM_ABI_BREAKING_CHECKS}\"!") endif() if( LLVM_REVERSE_ITERATION ) set( LLVM_ENABLE_REVERSE_ITERATION 1 ) endif() if(WIN32) set(LLVM_HAVE_LINK_VERSION_SCRIPT 0) if(CYGWIN) set(LLVM_ON_WIN32 0) set(LLVM_ON_UNIX 1) else(CYGWIN) set(LLVM_ON_WIN32 1) set(LLVM_ON_UNIX 0) endif(CYGWIN) else(WIN32) if(FUCHSIA OR UNIX) set(LLVM_ON_WIN32 0) set(LLVM_ON_UNIX 1) if(APPLE OR ${CMAKE_SYSTEM_NAME} MATCHES "AIX") set(LLVM_HAVE_LINK_VERSION_SCRIPT 0) else() set(LLVM_HAVE_LINK_VERSION_SCRIPT 1) endif() else(FUCHSIA OR UNIX) MESSAGE(SEND_ERROR "Unable to determine platform") endif(FUCHSIA OR UNIX) endif(WIN32) set(EXEEXT ${CMAKE_EXECUTABLE_SUFFIX}) set(LTDL_SHLIB_EXT ${CMAKE_SHARED_LIBRARY_SUFFIX}) # We use *.dylib rather than *.so on darwin. set(LLVM_PLUGIN_EXT ${CMAKE_SHARED_LIBRARY_SUFFIX}) if(APPLE) if(LLVM_ENABLE_LLD AND LLVM_ENABLE_LTO) message(FATAL_ERROR "lld does not support LTO on Darwin") endif() # Darwin-specific linker flags for loadable modules. set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -Wl,-flat_namespace -Wl,-undefined -Wl,suppress") endif() if(${CMAKE_SYSTEM_NAME} MATCHES "AIX") if(NOT LLVM_BUILD_32_BITS) if (CMAKE_CXX_COMPILER_ID MATCHES "XL") append("-q64" CMAKE_CXX_FLAGS CMAKE_C_FLAGS) else() append("-maix64" CMAKE_CXX_FLAGS CMAKE_C_FLAGS) endif() set(CMAKE_CXX_ARCHIVE_CREATE " -X64 qc ") set(CMAKE_CXX_ARCHIVE_APPEND " -X64 q ") set(CMAKE_C_ARCHIVE_FINISH " -X64 ") set(CMAKE_CXX_ARCHIVE_FINISH " -X64 ") endif() # -fPIC does not enable the large code model for GCC on AIX but does for XL. if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU") append("-mcmodel=large" CMAKE_CXX_FLAGS CMAKE_C_FLAGS) elseif(CMAKE_CXX_COMPILER_ID MATCHES "XL") # XL generates a small number of relocations not of the large model, -bbigtoc is needed. append("-Wl,-bbigtoc" CMAKE_EXE_LINKER_FLAGS CMAKE_MODULE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS) endif() endif() # Pass -Wl,-z,defs. This makes sure all symbols are defined. Otherwise a DSO # build might work on ELF but fail on MachO/COFF. if(NOT (${CMAKE_SYSTEM_NAME} MATCHES "Darwin|FreeBSD|OpenBSD|DragonFly|AIX" OR WIN32 OR CYGWIN) AND NOT LLVM_USE_SANITIZER) set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,-z,defs") endif() # Pass -Wl,-z,nodelete. This makes sure our shared libraries are not unloaded # by dlclose(). We need that since the CLI API relies on cross-references # between global objects which became horribly broken when one of the libraries # is unloaded. if(${CMAKE_SYSTEM_NAME} MATCHES "Linux") set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,-z,nodelete") set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -Wl,-z,nodelete") endif() function(append value) foreach(variable ${ARGN}) set(${variable} "${${variable}} ${value}" PARENT_SCOPE) endforeach(variable) endfunction() function(append_if condition value) if (${condition}) foreach(variable ${ARGN}) set(${variable} "${${variable}} ${value}" PARENT_SCOPE) endforeach(variable) endif() endfunction() macro(add_flag_if_supported flag name) check_c_compiler_flag("-Werror ${flag}" "C_SUPPORTS_${name}") append_if("C_SUPPORTS_${name}" "${flag}" CMAKE_C_FLAGS) check_cxx_compiler_flag("-Werror ${flag}" "CXX_SUPPORTS_${name}") append_if("CXX_SUPPORTS_${name}" "${flag}" CMAKE_CXX_FLAGS) endmacro() function(add_flag_or_print_warning flag name) check_c_compiler_flag("-Werror ${flag}" "C_SUPPORTS_${name}") check_cxx_compiler_flag("-Werror ${flag}" "CXX_SUPPORTS_${name}") if (C_SUPPORTS_${name} AND CXX_SUPPORTS_${name}) message(STATUS "Building with ${flag}") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${flag}" PARENT_SCOPE) set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${flag}" PARENT_SCOPE) set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} ${flag}" PARENT_SCOPE) else() message(WARNING "${flag} is not supported.") endif() endfunction() if( LLVM_ENABLE_LLD ) if ( LLVM_USE_LINKER ) message(FATAL_ERROR "LLVM_ENABLE_LLD and LLVM_USE_LINKER can't be set at the same time") endif() set(LLVM_USE_LINKER "lld") endif() if( LLVM_USE_LINKER ) set(OLD_CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS}) set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -fuse-ld=${LLVM_USE_LINKER}") check_cxx_source_compiles("int main() { return 0; }" CXX_SUPPORTS_CUSTOM_LINKER) if ( NOT CXX_SUPPORTS_CUSTOM_LINKER ) message(FATAL_ERROR "Host compiler does not support '-fuse-ld=${LLVM_USE_LINKER}'") endif() set(CMAKE_REQUIRED_FLAGS ${OLD_CMAKE_REQUIRED_FLAGS}) append("-fuse-ld=${LLVM_USE_LINKER}" CMAKE_EXE_LINKER_FLAGS CMAKE_MODULE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS) endif() if( LLVM_ENABLE_PIC ) if( XCODE ) # Xcode has -mdynamic-no-pic on by default, which overrides -fPIC. I don't # know how to disable this, so just force ENABLE_PIC off for now. message(WARNING "-fPIC not supported with Xcode.") elseif( WIN32 OR CYGWIN) # On Windows all code is PIC. MinGW warns if -fPIC is used. else() add_flag_or_print_warning("-fPIC" FPIC) endif() endif() if(NOT WIN32 AND NOT CYGWIN AND NOT (${CMAKE_SYSTEM_NAME} MATCHES "AIX" AND CMAKE_CXX_COMPILER_ID STREQUAL "GNU")) # MinGW warns if -fvisibility-inlines-hidden is used. # GCC on AIX warns if -fvisibility-inlines-hidden is used. check_cxx_compiler_flag("-fvisibility-inlines-hidden" SUPPORTS_FVISIBILITY_INLINES_HIDDEN_FLAG) append_if(SUPPORTS_FVISIBILITY_INLINES_HIDDEN_FLAG "-fvisibility-inlines-hidden" CMAKE_CXX_FLAGS) endif() if(CMAKE_SIZEOF_VOID_P EQUAL 8 AND MINGW) add_definitions( -D_FILE_OFFSET_BITS=64 ) endif() if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 ) # TODO: support other platforms and toolchains. if( LLVM_BUILD_32_BITS ) message(STATUS "Building 32 bits executables and libraries.") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -m32") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -m32") set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -m32") set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -m32") set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -m32") # FIXME: CMAKE_SIZEOF_VOID_P is still 8 add_definitions(-D_LARGEFILE_SOURCE) add_definitions(-D_FILE_OFFSET_BITS=64) endif( LLVM_BUILD_32_BITS ) endif( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 ) # If building on a GNU specific 32-bit system, make sure off_t is 64 bits # so that off_t can stored offset > 2GB. # Android until version N (API 24) doesn't support it. if (ANDROID AND (ANDROID_NATIVE_API_LEVEL LESS 24)) set(LLVM_FORCE_SMALLFILE_FOR_ANDROID TRUE) endif() if( CMAKE_SIZEOF_VOID_P EQUAL 4 AND NOT LLVM_FORCE_SMALLFILE_FOR_ANDROID) # FIXME: It isn't handled in LLVM_BUILD_32_BITS. add_definitions( -D_LARGEFILE_SOURCE ) add_definitions( -D_FILE_OFFSET_BITS=64 ) endif() if( XCODE ) # For Xcode enable several build settings that correspond to # many warnings that are on by default in Clang but are # not enabled for historical reasons. For versions of Xcode # that do not support these options they will simply # be ignored. set(CMAKE_XCODE_ATTRIBUTE_GCC_WARN_ABOUT_RETURN_TYPE "YES") set(CMAKE_XCODE_ATTRIBUTE_GCC_WARN_ABOUT_MISSING_NEWLINE "YES") set(CMAKE_XCODE_ATTRIBUTE_GCC_WARN_UNUSED_VALUE "YES") set(CMAKE_XCODE_ATTRIBUTE_GCC_WARN_UNUSED_VARIABLE "YES") set(CMAKE_XCODE_ATTRIBUTE_GCC_WARN_SIGN_COMPARE "YES") set(CMAKE_XCODE_ATTRIBUTE_GCC_WARN_UNUSED_FUNCTION "YES") set(CMAKE_XCODE_ATTRIBUTE_GCC_WARN_INITIALIZER_NOT_FULLY_BRACKETED "YES") set(CMAKE_XCODE_ATTRIBUTE_GCC_WARN_HIDDEN_VIRTUAL_FUNCTIONS "YES") set(CMAKE_XCODE_ATTRIBUTE_GCC_WARN_UNINITIALIZED_AUTOS "YES") set(CMAKE_XCODE_ATTRIBUTE_CLANG_WARN_BOOL_CONVERSION "YES") set(CMAKE_XCODE_ATTRIBUTE_CLANG_WARN_EMPTY_BODY "YES") set(CMAKE_XCODE_ATTRIBUTE_CLANG_WARN_ENUM_CONVERSION "YES") set(CMAKE_XCODE_ATTRIBUTE_CLANG_WARN_INT_CONVERSION "YES") set(CMAKE_XCODE_ATTRIBUTE_CLANG_WARN_CONSTANT_CONVERSION "YES") set(CMAKE_XCODE_ATTRIBUTE_GCC_WARN_NON_VIRTUAL_DESTRUCTOR "YES") endif() # On Win32 using MS tools, provide an option to set the number of parallel jobs # to use. if( MSVC_IDE ) set(LLVM_COMPILER_JOBS "0" CACHE STRING "Number of parallel compiler jobs. 0 means use all processors. Default is 0.") if( NOT LLVM_COMPILER_JOBS STREQUAL "1" ) if( LLVM_COMPILER_JOBS STREQUAL "0" ) add_definitions( /MP ) else() message(STATUS "Number of parallel compiler jobs set to " ${LLVM_COMPILER_JOBS}) add_definitions( /MP${LLVM_COMPILER_JOBS} ) endif() else() message(STATUS "Parallel compilation disabled") endif() endif() # set stack reserved size to ~10MB if(MSVC) # CMake previously automatically set this value for MSVC builds, but the # behavior was changed in CMake 2.8.11 (Issue 12437) to use the MSVC default # value (1 MB) which is not enough for us in tasks such as parsing recursive # C++ templates in Clang. set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /STACK:10000000") elseif(MINGW) # FIXME: Also cygwin? set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--stack,16777216") # Pass -mbig-obj to mingw gas on Win64. COFF has a 2**16 section limit, and # on Win64, every COMDAT function creates at least 3 sections: .text, .pdata, # and .xdata. if (CMAKE_SIZEOF_VOID_P EQUAL 8) append("-Wa,-mbig-obj" CMAKE_C_FLAGS CMAKE_CXX_FLAGS) endif() endif() if( MSVC ) if( CMAKE_CXX_COMPILER_VERSION VERSION_LESS 19.0 ) # For MSVC 2013, disable iterator null pointer checking in debug mode, # especially so std::equal(nullptr, nullptr, nullptr) will not assert. add_definitions("-D_DEBUG_POINTER_IMPL=") endif() include(ChooseMSVCCRT) if( MSVC11 ) add_definitions(-D_VARIADIC_MAX=10) endif() # Add definitions that make MSVC much less annoying. add_definitions( # For some reason MS wants to deprecate a bunch of standard functions... -D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_DEPRECATE -D_CRT_NONSTDC_NO_WARNINGS -D_SCL_SECURE_NO_DEPRECATE -D_SCL_SECURE_NO_WARNINGS ) # Tell MSVC to use the Unicode version of the Win32 APIs instead of ANSI. add_definitions( -DUNICODE -D_UNICODE ) if (LLVM_ENABLE_WERROR) append("/WX" CMAKE_C_FLAGS CMAKE_CXX_FLAGS) endif (LLVM_ENABLE_WERROR) append("/Zc:inline" CMAKE_C_FLAGS CMAKE_CXX_FLAGS) # Allow users to request PDBs in release mode. CMake offeres the # RelWithDebInfo configuration, but it uses different optimization settings # (/Ob1 vs /Ob2 or -O2 vs -O3). LLVM provides this flag so that users can get # PDBs without changing codegen. option(LLVM_ENABLE_PDB OFF) if (LLVM_ENABLE_PDB AND uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE") append("/Zi" CMAKE_C_FLAGS CMAKE_CXX_FLAGS) # /DEBUG disables linker GC and ICF, but we want those in Release mode. append("/DEBUG /OPT:REF /OPT:ICF" CMAKE_EXE_LINKER_FLAGS CMAKE_MODULE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS) endif() # /Zc:strictStrings is incompatible with VS12's (Visual Studio 2013's) # debug mode headers. Instead of only enabling them in VS2013's debug mode, # we'll just enable them for Visual Studio 2015 (VS 14, MSVC_VERSION 1900) # and up. if (NOT (MSVC_VERSION LESS 1900)) # Disable string literal const->non-const type conversion. # "When specified, the compiler requires strict const-qualification # conformance for pointers initialized by using string literals." append("/Zc:strictStrings" CMAKE_C_FLAGS CMAKE_CXX_FLAGS) endif(NOT (MSVC_VERSION LESS 1900)) # "Generate Intrinsic Functions". append("/Oi" CMAKE_C_FLAGS CMAKE_CXX_FLAGS) # "Enforce type conversion rules". append("/Zc:rvalueCast" CMAKE_CXX_FLAGS) if (CMAKE_CXX_COMPILER_ID MATCHES "Clang" AND NOT LLVM_ENABLE_LTO) # clang-cl and cl by default produce non-deterministic binaries because # link.exe /incremental requires a timestamp in the .obj file. clang-cl # has the flag /Brepro to force deterministic binaries. We want to pass that # whenever you're building with clang unless you're passing /incremental # or using LTO (/Brepro with LTO would result in a warning about the flag # being unused, because we're not generating object files). # This checks CMAKE_CXX_COMPILER_ID in addition to check_cxx_compiler_flag() # because cl.exe does not emit an error on flags it doesn't understand, # letting check_cxx_compiler_flag() claim it understands all flags. check_cxx_compiler_flag("/Brepro" SUPPORTS_BREPRO) if (SUPPORTS_BREPRO) # Check if /INCREMENTAL is passed to the linker and complain that it # won't work with /Brepro. string(TOUPPER "${CMAKE_EXE_LINKER_FLAGS}" upper_exe_flags) string(TOUPPER "${CMAKE_MODULE_LINKER_FLAGS}" upper_module_flags) string(TOUPPER "${CMAKE_SHARED_LINKER_FLAGS}" upper_shared_flags) string(FIND "${upper_exe_flags} ${upper_module_flags} ${upper_shared_flags}" "/INCREMENTAL" linker_flag_idx) if (${linker_flag_idx} GREATER -1) message(WARNING "/Brepro not compatible with /INCREMENTAL linking - builds will be non-deterministic") else() append("/Brepro" CMAKE_C_FLAGS CMAKE_CXX_FLAGS) endif() endif() endif() elseif( LLVM_COMPILER_IS_GCC_COMPATIBLE ) append_if(LLVM_ENABLE_WERROR "-Werror" CMAKE_C_FLAGS CMAKE_CXX_FLAGS) append_if(LLVM_ENABLE_WERROR "-Wno-error" CMAKE_REQUIRED_FLAGS) add_flag_if_supported("-Werror=date-time" WERROR_DATE_TIME) add_flag_if_supported("-Werror=unguarded-availability-new" WERROR_UNGUARDED_AVAILABILITY_NEW) check_cxx_compiler_flag("-std=${LLVM_CXX_STD}" CXX_SUPPORTS_CXX_STD) if (CXX_SUPPORTS_CXX_STD) if (CYGWIN OR MINGW) # MinGW and Cygwin are a bit stricter and lack things like # 'strdup', 'stricmp', etc in c++11 mode. string(REPLACE "c++" "gnu++" "${LLVM_CXX_STD}" gnu_LLVM_CXX_STD) append("-std=${gnu_LLVM_CXX_STD}" CMAKE_CXX_FLAGS) else() append("-std=${LLVM_CXX_STD}" CMAKE_CXX_FLAGS) endif() else() message(FATAL_ERROR "The host compiler does not support '-std=${LLVM_CXX_STD}'.") endif() if (LLVM_ENABLE_MODULES) set(OLD_CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS}) set(module_flags "-fmodules -fmodules-cache-path=${PROJECT_BINARY_DIR}/module.cache") if (${CMAKE_SYSTEM_NAME} MATCHES "Darwin") # On Darwin -fmodules does not imply -fcxx-modules. set(module_flags "${module_flags} -fcxx-modules") endif() if (LLVM_ENABLE_LOCAL_SUBMODULE_VISIBILITY) set(module_flags "${module_flags} -Xclang -fmodules-local-submodule-visibility") endif() if (LLVM_ENABLE_MODULE_DEBUGGING AND ((uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG") OR (uppercase_CMAKE_BUILD_TYPE STREQUAL "RELWITHDEBINFO"))) set(module_flags "${module_flags} -gmodules") endif() set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${module_flags}") # Check that we can build code with modules enabled, and that repeatedly # including still manages to respect NDEBUG properly. CHECK_CXX_SOURCE_COMPILES("#undef NDEBUG #include #define NDEBUG #include int main() { assert(this code is not compiled); }" CXX_SUPPORTS_MODULES) set(CMAKE_REQUIRED_FLAGS ${OLD_CMAKE_REQUIRED_FLAGS}) if (CXX_SUPPORTS_MODULES) append("${module_flags}" CMAKE_CXX_FLAGS) else() message(FATAL_ERROR "LLVM_ENABLE_MODULES is not supported by this compiler") endif() endif(LLVM_ENABLE_MODULES) endif( MSVC ) if (MSVC) if (NOT CLANG_CL) set(msvc_warning_flags # Disabled warnings. -wd4141 # Suppress ''modifier' : used more than once' (because of __forceinline combined with inline) -wd4146 # Suppress 'unary minus operator applied to unsigned type, result still unsigned' -wd4180 # Suppress 'qualifier applied to function type has no meaning; ignored' -wd4244 # Suppress ''argument' : conversion from 'type1' to 'type2', possible loss of data' -wd4258 # Suppress ''var' : definition from the for loop is ignored; the definition from the enclosing scope is used' -wd4267 # Suppress ''var' : conversion from 'size_t' to 'type', possible loss of data' -wd4291 # Suppress ''declaration' : no matching operator delete found; memory will not be freed if initialization throws an exception' -wd4345 # Suppress 'behavior change: an object of POD type constructed with an initializer of the form () will be default-initialized' -wd4351 # Suppress 'new behavior: elements of array 'array' will be default initialized' -wd4355 # Suppress ''this' : used in base member initializer list' -wd4456 # Suppress 'declaration of 'var' hides local variable' -wd4457 # Suppress 'declaration of 'var' hides function parameter' -wd4458 # Suppress 'declaration of 'var' hides class member' -wd4459 # Suppress 'declaration of 'var' hides global declaration' -wd4503 # Suppress ''identifier' : decorated name length exceeded, name was truncated' -wd4624 # Suppress ''derived class' : destructor could not be generated because a base class destructor is inaccessible' -wd4722 # Suppress 'function' : destructor never returns, potential memory leak -wd4800 # Suppress ''type' : forcing value to bool 'true' or 'false' (performance warning)' -wd4100 # Suppress 'unreferenced formal parameter' -wd4127 # Suppress 'conditional expression is constant' -wd4512 # Suppress 'assignment operator could not be generated' -wd4505 # Suppress 'unreferenced local function has been removed' -wd4610 # Suppress ' can never be instantiated' -wd4510 # Suppress 'default constructor could not be generated' -wd4702 # Suppress 'unreachable code' -wd4245 # Suppress 'signed/unsigned mismatch' -wd4706 # Suppress 'assignment within conditional expression' -wd4310 # Suppress 'cast truncates constant value' -wd4701 # Suppress 'potentially uninitialized local variable' -wd4703 # Suppress 'potentially uninitialized local pointer variable' -wd4389 # Suppress 'signed/unsigned mismatch' -wd4611 # Suppress 'interaction between '_setjmp' and C++ object destruction is non-portable' -wd4805 # Suppress 'unsafe mix of type and type in operation' -wd4204 # Suppress 'nonstandard extension used : non-constant aggregate initializer' -wd4577 # Suppress 'noexcept used with no exception handling mode specified; termination on exception is not guaranteed' -wd4091 # Suppress 'typedef: ignored on left of '' when no variable is declared' # C4592 is disabled because of false positives in Visual Studio 2015 # Update 1. Re-evaluate the usefulness of this diagnostic with Update 2. -wd4592 # Suppress ''var': symbol will be dynamically initialized (implementation limitation) -wd4319 # Suppress ''operator' : zero extending 'type' to 'type' of greater size' # C4709 is disabled because of a bug with Visual Studio 2017 as of # v15.8.8. Re-evaluate the usefulness of this diagnostic when the bug # is fixed. -wd4709 # Suppress comma operator within array index expression # Ideally, we'd like this warning to be enabled, but MSVC 2013 doesn't # support the 'aligned' attribute in the way that clang sources requires (for # any code that uses the LLVM_ALIGNAS macro), so this is must be disabled to # avoid unwanted alignment warnings. # When we switch to requiring a version of MSVC that supports the 'alignas' # specifier (MSVC 2015?) this warning can be re-enabled. -wd4324 # Suppress 'structure was padded due to __declspec(align())' # Promoted warnings. -w14062 # Promote 'enumerator in switch of enum is not handled' to level 1 warning. # Promoted warnings to errors. -we4238 # Promote 'nonstandard extension used : class rvalue used as lvalue' to error. ) endif(NOT CLANG_CL) # Enable warnings if (LLVM_ENABLE_WARNINGS) # Put /W4 in front of all the -we flags. cl.exe doesn't care, but for # clang-cl having /W4 after the -we flags will re-enable the warnings # disabled by -we. set(msvc_warning_flags "/W4 ${msvc_warning_flags}") # CMake appends /W3 by default, and having /W3 followed by /W4 will result in # cl : Command line warning D9025 : overriding '/W3' with '/W4'. 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So it won't be added on clang 3.4 and older. # This also catches cases when -Wnon-virtual-dtor isn't supported by # the compiler at all. This flag is not activated for gcc since it will # incorrectly identify a protected non-virtual base when there is a friend # declaration. Don't activate this in general on Windows as this warning has # too many false positives on COM-style classes, which are destroyed with # Release() (PR32286). if (NOT CMAKE_COMPILER_IS_GNUCXX AND NOT WIN32) set(OLD_CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS}) set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -std=c++11 -Werror=non-virtual-dtor") CHECK_CXX_SOURCE_COMPILES("class base {public: virtual void anchor();protected: ~base();}; class derived final : public base { public: ~derived();}; int main() { return 0; }" CXX_WONT_WARN_ON_FINAL_NONVIRTUALDTOR) set(CMAKE_REQUIRED_FLAGS ${OLD_CMAKE_REQUIRED_FLAGS}) append_if(CXX_WONT_WARN_ON_FINAL_NONVIRTUALDTOR "-Wnon-virtual-dtor" CMAKE_CXX_FLAGS) endif() # Enable -Wdelete-non-virtual-dtor if available. add_flag_if_supported("-Wdelete-non-virtual-dtor" DELETE_NON_VIRTUAL_DTOR_FLAG) # Check if -Wcomment is OK with an // comment ending with '\' if the next # line is also a // comment. set(OLD_CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS}) set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -Werror -Wcomment") CHECK_C_SOURCE_COMPILES("// \\\\\\n//\\nint main() {return 0;}" C_WCOMMENT_ALLOWS_LINE_WRAP) set(CMAKE_REQUIRED_FLAGS ${OLD_CMAKE_REQUIRED_FLAGS}) if (NOT C_WCOMMENT_ALLOWS_LINE_WRAP) append("-Wno-comment" CMAKE_C_FLAGS CMAKE_CXX_FLAGS) endif() # 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Turn on -gsplit-dwarf if requested if(LLVM_USE_SPLIT_DWARF) add_definitions("-gsplit-dwarf") endif() add_definitions( -D__STDC_CONSTANT_MACROS ) add_definitions( -D__STDC_FORMAT_MACROS ) add_definitions( -D__STDC_LIMIT_MACROS ) # clang and gcc don't default-print colored diagnostics when invoked from Ninja. if (UNIX AND CMAKE_GENERATOR STREQUAL "Ninja" AND (CMAKE_CXX_COMPILER_ID MATCHES "Clang" OR (CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND NOT (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.9)))) append("-fdiagnostics-color" CMAKE_C_FLAGS CMAKE_CXX_FLAGS) endif() # lld doesn't print colored diagnostics when invoked from Ninja if (UNIX AND CMAKE_GENERATOR STREQUAL "Ninja") include(CheckLinkerFlag) check_linker_flag("-Wl,--color-diagnostics" LINKER_SUPPORTS_COLOR_DIAGNOSTICS) append_if(LINKER_SUPPORTS_COLOR_DIAGNOSTICS "-Wl,--color-diagnostics" CMAKE_EXE_LINKER_FLAGS CMAKE_MODULE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS) endif() # Add flags for add_dead_strip(). # FIXME: With MSVS, consider compiling with /Gy and linking with /OPT:REF? # But MinSizeRel seems to add that automatically, so maybe disable these # flags instead if LLVM_NO_DEAD_STRIP is set. if(NOT CYGWIN AND NOT WIN32) if(NOT ${CMAKE_SYSTEM_NAME} MATCHES "Darwin" AND NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG") check_c_compiler_flag("-Werror -fno-function-sections" C_SUPPORTS_FNO_FUNCTION_SECTIONS) if (C_SUPPORTS_FNO_FUNCTION_SECTIONS) # Don't add -ffunction-section if it can be disabled with -fno-function-sections. # Doing so will break sanitizers. add_flag_if_supported("-ffunction-sections" FFUNCTION_SECTIONS) endif() add_flag_if_supported("-fdata-sections" FDATA_SECTIONS) endif() endif() if(MSVC) # Remove flags here, for exceptions and RTTI. # Each target property or source property should be responsible to control # them. # CL.EXE complains to override flags like "/GR /GR-". string(REGEX REPLACE "(^| ) */EH[-cs]+ *( |$)" "\\1 \\2" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") string(REGEX REPLACE "(^| ) */GR-? *( |$)" "\\1 \\2" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") endif() # Provide public options to globally control RTTI and EH option(LLVM_ENABLE_EH "Enable Exception handling" OFF) option(LLVM_ENABLE_RTTI "Enable run time type information" OFF) if(LLVM_ENABLE_EH AND NOT LLVM_ENABLE_RTTI) message(FATAL_ERROR "Exception handling requires RTTI. You must set LLVM_ENABLE_RTTI to ON") endif() option(LLVM_USE_NEWPM "Build LLVM using the experimental new pass manager" Off) mark_as_advanced(LLVM_USE_NEWPM) if (LLVM_USE_NEWPM) append("-fexperimental-new-pass-manager" CMAKE_CXX_FLAGS CMAKE_C_FLAGS CMAKE_EXE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS) endif() option(LLVM_ENABLE_IR_PGO "Build LLVM and tools with IR PGO instrumentation (deprecated)" Off) mark_as_advanced(LLVM_ENABLE_IR_PGO) set(LLVM_BUILD_INSTRUMENTED OFF CACHE STRING "Build LLVM and tools with PGO instrumentation. May be specified as IR or Frontend") mark_as_advanced(LLVM_BUILD_INSTRUMENTED) string(TOUPPER "${LLVM_BUILD_INSTRUMENTED}" uppercase_LLVM_BUILD_INSTRUMENTED) if (LLVM_BUILD_INSTRUMENTED) if (LLVM_ENABLE_IR_PGO OR uppercase_LLVM_BUILD_INSTRUMENTED STREQUAL "IR") append("-fprofile-generate='${LLVM_PROFILE_DATA_DIR}'" CMAKE_CXX_FLAGS CMAKE_C_FLAGS CMAKE_EXE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS) elseif(uppercase_LLVM_BUILD_INSTRUMENTED STREQUAL "CSIR") append("-fcs-profile-generate='${LLVM_CSPROFILE_DATA_DIR}'" CMAKE_CXX_FLAGS CMAKE_C_FLAGS CMAKE_EXE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS) else() append("-fprofile-instr-generate='${LLVM_PROFILE_FILE_PATTERN}'" CMAKE_CXX_FLAGS CMAKE_C_FLAGS CMAKE_EXE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS) endif() endif() # Need to pass -fprofile-instr-use to linker for context-sensitive PGO # compilation. if(LLVM_PROFDATA_FILE AND EXISTS ${LLVM_PROFDATA_FILE}) append("-fprofile-instr-use='${LLVM_PROFDATA_FILE}'" CMAKE_EXE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS) endif() option(LLVM_BUILD_INSTRUMENTED_COVERAGE "Build LLVM and tools with Code Coverage instrumentation" Off) mark_as_advanced(LLVM_BUILD_INSTRUMENTED_COVERAGE) append_if(LLVM_BUILD_INSTRUMENTED_COVERAGE "-fprofile-instr-generate='${LLVM_PROFILE_FILE_PATTERN}' -fcoverage-mapping" CMAKE_CXX_FLAGS CMAKE_C_FLAGS CMAKE_EXE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS) if (LLVM_BUILD_INSTRUMENTED AND LLVM_BUILD_INSTRUMENTED_COVERAGE) message(FATAL_ERROR "LLVM_BUILD_INSTRUMENTED and LLVM_BUILD_INSTRUMENTED_COVERAGE cannot both be specified") endif() if(LLVM_ENABLE_LTO AND LLVM_ON_WIN32 AND NOT LINKER_IS_LLD_LINK) message(FATAL_ERROR "When compiling for Windows, LLVM_ENABLE_LTO requires using lld as the linker (point CMAKE_LINKER at lld-link.exe)") endif() if(uppercase_LLVM_ENABLE_LTO STREQUAL "THIN") append("-flto=thin" CMAKE_CXX_FLAGS CMAKE_C_FLAGS) if(NOT LINKER_IS_LLD_LINK) append("-flto=thin" CMAKE_EXE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS) endif() # If the linker supports it, enable the lto cache. This improves initial build # time a little since we re-link a lot of the same objects, and significantly # improves incremental build time. # FIXME: We should move all this logic into the clang driver. if(APPLE) append("-Wl,-cache_path_lto,${PROJECT_BINARY_DIR}/lto.cache" CMAKE_EXE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS) elseif(UNIX AND LLVM_USE_LINKER STREQUAL "lld") append("-Wl,--thinlto-cache-dir=${PROJECT_BINARY_DIR}/lto.cache" CMAKE_EXE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS) elseif(LLVM_USE_LINKER STREQUAL "gold") append("-Wl,--plugin-opt,cache-dir=${PROJECT_BINARY_DIR}/lto.cache" CMAKE_EXE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS) endif() elseif(uppercase_LLVM_ENABLE_LTO STREQUAL "FULL") append("-flto=full" CMAKE_CXX_FLAGS CMAKE_C_FLAGS) if(NOT LINKER_IS_LLD_LINK) append("-flto=full" CMAKE_EXE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS) endif() elseif(LLVM_ENABLE_LTO) append("-flto" CMAKE_CXX_FLAGS CMAKE_C_FLAGS) if(NOT LINKER_IS_LLD_LINK) append("-flto" CMAKE_EXE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS) endif() endif() # This option makes utils/extract_symbols.py be used to determine the list of # symbols to export from LLVM tools. This is necessary when using MSVC if you # want to allow plugins, though note that the plugin has to explicitly link # against (exactly one) tool so we can't unilaterally turn on # LLVM_ENABLE_PLUGINS when it's enabled. option(LLVM_EXPORT_SYMBOLS_FOR_PLUGINS "Export symbols from LLVM tools so that plugins can import them" OFF) if(BUILD_SHARED_LIBS AND LLVM_EXPORT_SYMBOLS_FOR_PLUGINS) message(FATAL_ERROR "BUILD_SHARED_LIBS not compatible with LLVM_EXPORT_SYMBOLS_FOR_PLUGINS") endif() if(LLVM_LINK_LLVM_DYLIB AND LLVM_EXPORT_SYMBOLS_FOR_PLUGINS) message(FATAL_ERROR "LLVM_LINK_LLVM_DYLIB not compatible with LLVM_EXPORT_SYMBOLS_FOR_PLUGINS") endif() # Plugin support # FIXME: Make this configurable. if(WIN32 OR CYGWIN) if(BUILD_SHARED_LIBS OR LLVM_BUILD_LLVM_DYLIB) set(LLVM_ENABLE_PLUGINS ON) else() set(LLVM_ENABLE_PLUGINS OFF) endif() else() set(LLVM_ENABLE_PLUGINS ON) endif() # By default we should enable LLVM_ENABLE_IDE only for multi-configuration # generators. This option disables optional build system features that make IDEs # less usable. set(LLVM_ENABLE_IDE_default OFF) if (CMAKE_CONFIGURATION_TYPES) set(LLVM_ENABLE_IDE_default ON) endif() option(LLVM_ENABLE_IDE "Disable optional build system features that cause problems for IDE generators" ${LLVM_ENABLE_IDE_default}) if (CMAKE_CONFIGURATION_TYPES AND NOT LLVM_ENABLE_IDE) message(WARNING "Disabling LLVM_ENABLE_IDE on multi-configuration generators is not recommended.") endif() function(get_compile_definitions) get_directory_property(top_dir_definitions DIRECTORY ${CMAKE_SOURCE_DIR} COMPILE_DEFINITIONS) foreach(definition ${top_dir_definitions}) if(DEFINED result) string(APPEND result " -D${definition}") else() set(result "-D${definition}") endif() endforeach() set(LLVM_DEFINITIONS "${result}" PARENT_SCOPE) endfunction() get_compile_definitions() option(LLVM_FORCE_ENABLE_STATS "Enable statistics collection for builds that wouldn't normally enable it" OFF) check_symbol_exists(os_signpost_interval_begin "os/signpost.h" macos_signposts_available) if(macos_signposts_available) check_cxx_source_compiles( "#include int main() { os_signpost_interval_begin(nullptr, 0, \"\", \"\"); return 0; }" macos_signposts_usable) if(macos_signposts_usable) set(LLVM_ENABLE_SUPPORT_XCODE_SIGNPOSTS "WITH_ASSERTS" CACHE STRING "Enable support for Xcode signposts. Can be WITH_ASSERTS, FORCE_ON, FORCE_OFF") string(TOUPPER "${LLVM_ENABLE_SUPPORT_XCODE_SIGNPOSTS}" uppercase_LLVM_ENABLE_SUPPORT_XCODE_SIGNPOSTS) if( uppercase_LLVM_ENABLE_SUPPORT_XCODE_SIGNPOSTS STREQUAL "WITH_ASSERTS" ) if( LLVM_ENABLE_ASSERTIONS ) set( LLVM_SUPPORT_XCODE_SIGNPOSTS 1 ) endif() elseif( uppercase_LLVM_ENABLE_SUPPORT_XCODE_SIGNPOSTS STREQUAL "FORCE_ON" ) set( LLVM_SUPPORT_XCODE_SIGNPOSTS 1 ) elseif( uppercase_LLVM_ENABLE_SUPPORT_XCODE_SIGNPOSTS STREQUAL "FORCE_OFF" ) # We don't need to do anything special to turn off signposts. elseif( NOT DEFINED LLVM_ENABLE_SUPPORT_XCODE_SIGNPOSTS ) # Treat LLVM_ENABLE_SUPPORT_XCODE_SIGNPOSTS like "FORCE_OFF" when it has not been # defined. else() message(FATAL_ERROR "Unknown value for LLVM_ENABLE_SUPPORT_XCODE_SIGNPOSTS:" " \"${LLVM_ENABLE_SUPPORT_XCODE_SIGNPOSTS}\"!") endif() endif() endif()