1 # See docs/CMake.html for instructions about how to build LLVM with CMake.
3 cmake_minimum_required(VERSION 3.13.4)
4 if ("${CMAKE_VERSION}" VERSION_LESS "3.20.0")
6 "Your CMake version is ${CMAKE_VERSION}. Starting with LLVM 17.0.0, the "
7 "minimum version of CMake required to build LLVM will become 3.20.0, and "
8 "using an older CMake will become an error. Please upgrade your CMake to "
9 "at least 3.20.0 now to avoid issues in the future!")
12 set(LLVM_COMMON_CMAKE_UTILS ${CMAKE_CURRENT_SOURCE_DIR}/../cmake)
13 include(${LLVM_COMMON_CMAKE_UTILS}/Modules/CMakePolicy.cmake
16 set(CMAKE_BUILD_WITH_INSTALL_NAME_DIR ON)
18 if(NOT DEFINED LLVM_VERSION_MAJOR)
19 set(LLVM_VERSION_MAJOR 17)
21 if(NOT DEFINED LLVM_VERSION_MINOR)
22 set(LLVM_VERSION_MINOR 0)
24 if(NOT DEFINED LLVM_VERSION_PATCH)
25 set(LLVM_VERSION_PATCH 0)
27 if(NOT DEFINED LLVM_VERSION_SUFFIX)
28 set(LLVM_VERSION_SUFFIX git)
31 if (NOT PACKAGE_VERSION)
33 "${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}${LLVM_VERSION_SUFFIX}")
36 if(NOT DEFINED LLVM_SHLIB_SYMBOL_VERSION)
37 # "Symbol version prefix for libLLVM.so"
38 set(LLVM_SHLIB_SYMBOL_VERSION "LLVM_${LLVM_VERSION_MAJOR}")
41 if ((CMAKE_GENERATOR MATCHES "Visual Studio") AND (MSVC_TOOLSET_VERSION LESS 142) AND (CMAKE_GENERATOR_TOOLSET STREQUAL ""))
42 message(WARNING "Visual Studio generators use the x86 host compiler by "
43 "default, even for 64-bit targets. This can result in linker "
44 "instability and out of memory errors. To use the 64-bit "
45 "host compiler, pass -Thost=x64 on the CMake command line.")
48 if (CMAKE_GENERATOR STREQUAL "Xcode" AND NOT CMAKE_OSX_ARCHITECTURES)
49 # Some CMake features like object libraries get confused if you don't
50 # explicitly specify an architecture setting with the Xcode generator.
51 set(CMAKE_OSX_ARCHITECTURES "x86_64")
55 VERSION ${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}
58 if (NOT DEFINED CMAKE_INSTALL_LIBDIR AND DEFINED LLVM_LIBDIR_SUFFIX)
59 # Must go before `include(GNUInstallDirs)`.
60 set(CMAKE_INSTALL_LIBDIR "lib${LLVM_LIBDIR_SUFFIX}")
63 # Must go after `DEFINED LLVM_LIBDIR_SUFFIX` check.
64 set(LLVM_LIBDIR_SUFFIX "" CACHE STRING "Define suffix of library directory name (32/64)" )
66 # Must go after `project(..)`.
67 include(GNUInstallDirs)
69 # This C++ standard is required to build LLVM.
70 set(LLVM_REQUIRED_CXX_STANDARD 17)
72 # If we find that the cache contains CMAKE_CXX_STANDARD it means that it's a old CMakeCache.txt
73 # and we can just inform the user and then reset it.
74 if($CACHE{CMAKE_CXX_STANDARD} AND $CACHE{CMAKE_CXX_STANDARD} LESS ${LLVM_REQUIRED_CXX_STANDARD})
75 message(WARNING "Resetting cache value for CMAKE_CXX_STANDARD to ${LLVM_REQUIRED_CXX_STANDARD}")
76 unset(CMAKE_CXX_STANDARD CACHE)
79 # if CMAKE_CXX_STANDARD is still set after the cache unset above it means that the user requested it
80 # and we allow it to be set to something newer than the required standard but otherwise we fail.
81 if(DEFINED CMAKE_CXX_STANDARD AND CMAKE_CXX_STANDARD LESS ${LLVM_REQUIRED_CXX_STANDARD})
82 message(FATAL_ERROR "Requested CMAKE_CXX_STANDARD=${CMAKE_CXX_STANDARD} which is less than the required ${LLVM_REQUIRED_CXX_STANDARD}.")
85 set(CMAKE_CXX_STANDARD ${LLVM_REQUIRED_CXX_STANDARD} CACHE STRING "C++ standard to conform to")
86 set(CMAKE_CXX_STANDARD_REQUIRED YES)
89 # Cygwin is a bit stricter and lack things like 'strdup', 'stricmp', etc in
91 set(CMAKE_CXX_EXTENSIONS YES)
93 set(CMAKE_CXX_EXTENSIONS NO)
96 if (NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
98 No build type selected. You need to pass -DCMAKE_BUILD_TYPE=<type> in order to configure LLVM.
99 Available options are:
100 * -DCMAKE_BUILD_TYPE=Release - For an optimized build with no assertions or debug info.
101 * -DCMAKE_BUILD_TYPE=Debug - For an unoptimized build with assertions and debug info.
102 * -DCMAKE_BUILD_TYPE=RelWithDebInfo - For an optimized build with no assertions but with debug info.
103 * -DCMAKE_BUILD_TYPE=MinSizeRel - For a build optimized for size instead of speed.
104 Learn more about these options in our documentation at https://llvm.org/docs/CMake.html#cmake-build-type
108 # Set default build type for cmake's try_compile module.
109 # CMake 3.17 or newer sets CMAKE_DEFAULT_BUILD_TYPE to one of the
110 # items from CMAKE_CONFIGURATION_TYPES. Logic below can be further
111 # simplified once LLVM's minimum CMake version is updated to 3.17.
112 if(CMAKE_DEFAULT_BUILD_TYPE)
113 set(CMAKE_TRY_COMPILE_CONFIGURATION ${CMAKE_DEFAULT_BUILD_TYPE})
115 if(CMAKE_CONFIGURATION_TYPES)
116 list(GET CMAKE_CONFIGURATION_TYPES 0 CMAKE_TRY_COMPILE_CONFIGURATION)
117 elseif(CMAKE_BUILD_TYPE)
118 set(CMAKE_TRY_COMPILE_CONFIGURATION ${CMAKE_BUILD_TYPE})
122 # Side-by-side subprojects layout: automatically set the
123 # LLVM_EXTERNAL_${project}_SOURCE_DIR using LLVM_ALL_PROJECTS
124 # This allows an easy way of setting up a build directory for llvm and another
125 # one for llvm+clang+... using the same sources.
126 set(LLVM_ALL_PROJECTS "bolt;clang;clang-tools-extra;compiler-rt;cross-project-tests;libc;libclc;lld;lldb;mlir;openmp;polly;pstl")
127 # The flang project is not yet part of "all" projects (see C++ requirements)
128 set(LLVM_EXTRA_PROJECTS "flang")
129 # List of all known projects in the mono repo
130 set(LLVM_KNOWN_PROJECTS "${LLVM_ALL_PROJECTS};${LLVM_EXTRA_PROJECTS}")
131 set(LLVM_ENABLE_PROJECTS "" CACHE STRING
132 "Semicolon-separated list of projects to build (${LLVM_KNOWN_PROJECTS}), or \"all\".")
133 # Make sure expansion happens first to not handle "all" in rest of the checks.
134 if( LLVM_ENABLE_PROJECTS STREQUAL "all" )
135 set( LLVM_ENABLE_PROJECTS ${LLVM_ALL_PROJECTS})
137 foreach(proj ${LLVM_ENABLE_PROJECTS})
138 if (NOT proj STREQUAL "llvm" AND NOT "${proj}" IN_LIST LLVM_KNOWN_PROJECTS)
139 MESSAGE(FATAL_ERROR "${proj} isn't a known project: ${LLVM_KNOWN_PROJECTS}. Did you mean to enable it as a runtime in LLVM_ENABLE_RUNTIMES?")
143 if ("flang" IN_LIST LLVM_ENABLE_PROJECTS)
144 if (NOT "mlir" IN_LIST LLVM_ENABLE_PROJECTS)
145 message(STATUS "Enabling MLIR as a dependency to flang")
146 list(APPEND LLVM_ENABLE_PROJECTS "mlir")
149 if (NOT "clang" IN_LIST LLVM_ENABLE_PROJECTS)
150 message(FATAL_ERROR "Clang is not enabled, but is required for the Flang driver")
154 # Select the runtimes to build
156 # As we migrate runtimes to using the bootstrapping build, the set of default runtimes
157 # should grow as we remove those runtimes from LLVM_ENABLE_PROJECTS above.
158 set(LLVM_DEFAULT_RUNTIMES "libcxx;libcxxabi;libunwind")
159 set(LLVM_SUPPORTED_RUNTIMES "libc;libunwind;libcxxabi;pstl;libcxx;compiler-rt;openmp;llvm-libgcc")
160 set(LLVM_ENABLE_RUNTIMES "" CACHE STRING
161 "Semicolon-separated list of runtimes to build, or \"all\" (${LLVM_DEFAULT_RUNTIMES}). Supported runtimes are ${LLVM_SUPPORTED_RUNTIMES}.")
162 if(LLVM_ENABLE_RUNTIMES STREQUAL "all")
163 set(LLVM_ENABLE_RUNTIMES ${LLVM_DEFAULT_RUNTIMES})
165 foreach(proj IN LISTS LLVM_ENABLE_RUNTIMES)
166 if (NOT "${proj}" IN_LIST LLVM_SUPPORTED_RUNTIMES)
167 message(FATAL_ERROR "Runtime \"${proj}\" is not a supported runtime. Supported runtimes are: ${LLVM_SUPPORTED_RUNTIMES}")
171 if ("libc" IN_LIST LLVM_ENABLE_RUNTIMES)
172 # To build the libc runtime, we need to be able to build few libc build
173 # tools from the "libc" project. So, we add it to the list of enabled
175 if (NOT "libc" IN_LIST LLVM_ENABLE_PROJECTS)
176 message(STATUS "Enabling libc project to build libc build tools")
177 list(APPEND LLVM_ENABLE_PROJECTS "libc")
181 # LLVM_ENABLE_PROJECTS_USED is `ON` if the user has ever used the
182 # `LLVM_ENABLE_PROJECTS` CMake cache variable. This exists for
185 # * As an indicator that the `LLVM_ENABLE_PROJECTS` list is now the single
186 # source of truth for which projects to build. This means we will ignore user
187 # supplied `LLVM_TOOL_<project>_BUILD` CMake cache variables and overwrite
190 # * The case where the user previously had `LLVM_ENABLE_PROJECTS` set to a
191 # non-empty list but now the user wishes to disable building all other projects
192 # by setting `LLVM_ENABLE_PROJECTS` to an empty string. In that case we still
193 # need to set the `LLVM_TOOL_${upper_proj}_BUILD` variables so that we disable
194 # building all the projects that were previously enabled.
195 set(LLVM_ENABLE_PROJECTS_USED OFF CACHE BOOL "")
196 mark_as_advanced(LLVM_ENABLE_PROJECTS_USED)
198 if (LLVM_ENABLE_PROJECTS_USED OR NOT LLVM_ENABLE_PROJECTS STREQUAL "")
199 set(LLVM_ENABLE_PROJECTS_USED ON CACHE BOOL "" FORCE)
200 foreach(proj ${LLVM_KNOWN_PROJECTS} ${LLVM_EXTERNAL_PROJECTS})
201 string(TOUPPER "${proj}" upper_proj)
202 string(REGEX REPLACE "-" "_" upper_proj ${upper_proj})
203 if ("${proj}" IN_LIST LLVM_ENABLE_PROJECTS)
204 message(STATUS "${proj} project is enabled")
205 set(SHOULD_ENABLE_PROJECT TRUE)
206 set(PROJ_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../${proj}")
207 if(NOT EXISTS "${PROJ_DIR}" OR NOT IS_DIRECTORY "${PROJ_DIR}")
208 message(FATAL_ERROR "LLVM_ENABLE_PROJECTS requests ${proj} but directory not found: ${PROJ_DIR}")
210 if( LLVM_EXTERNAL_${upper_proj}_SOURCE_DIR STREQUAL "" )
211 set(LLVM_EXTERNAL_${upper_proj}_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../${proj}" CACHE PATH "" FORCE)
213 set(LLVM_EXTERNAL_${upper_proj}_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../${proj}" CACHE PATH "")
215 elseif ("${proj}" IN_LIST LLVM_EXTERNAL_PROJECTS)
216 message(STATUS "${proj} project is enabled")
217 set(SHOULD_ENABLE_PROJECT TRUE)
219 message(STATUS "${proj} project is disabled")
220 set(SHOULD_ENABLE_PROJECT FALSE)
222 # Force `LLVM_TOOL_${upper_proj}_BUILD` variables to have values that
223 # corresponds with `LLVM_ENABLE_PROJECTS`. This prevents the user setting
224 # `LLVM_TOOL_${upper_proj}_BUILD` variables externally. At some point
225 # we should deprecate allowing users to set these variables by turning them
226 # into normal CMake variables rather than cache variables.
227 set(LLVM_TOOL_${upper_proj}_BUILD
228 ${SHOULD_ENABLE_PROJECT}
230 BOOL "Whether to build ${upper_proj} as part of LLVM" FORCE
234 unset(SHOULD_ENABLE_PROJECT)
236 # Build llvm with ccache if the package is present
237 set(LLVM_CCACHE_BUILD OFF CACHE BOOL "Set to ON for a ccache enabled build")
238 if(LLVM_CCACHE_BUILD)
239 find_program(CCACHE_PROGRAM ccache)
241 set(LLVM_CCACHE_MAXSIZE "" CACHE STRING "Size of ccache")
242 set(LLVM_CCACHE_DIR "" CACHE STRING "Directory to keep ccached data")
243 set(LLVM_CCACHE_PARAMS "CCACHE_CPP2=yes CCACHE_HASHDIR=yes"
244 CACHE STRING "Parameters to pass through to ccache")
246 if(NOT CMAKE_SYSTEM_NAME MATCHES "Windows")
247 set(CCACHE_PROGRAM "${LLVM_CCACHE_PARAMS} ${CCACHE_PROGRAM}")
248 if (LLVM_CCACHE_MAXSIZE)
249 set(CCACHE_PROGRAM "CCACHE_MAXSIZE=${LLVM_CCACHE_MAXSIZE} ${CCACHE_PROGRAM}")
252 set(CCACHE_PROGRAM "CCACHE_DIR=${LLVM_CCACHE_DIR} ${CCACHE_PROGRAM}")
254 set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ${CCACHE_PROGRAM})
256 if(LLVM_CCACHE_MAXSIZE OR LLVM_CCACHE_DIR OR
257 NOT LLVM_CCACHE_PARAMS MATCHES "CCACHE_CPP2=yes CCACHE_HASHDIR=yes")
258 message(FATAL_ERROR "Ccache configuration through CMake is not supported on Windows. Please use environment variables.")
260 # RULE_LAUNCH_COMPILE should work with Ninja but currently has issues
261 # with cmd.exe and some MSVC tools other than cl.exe
262 set(CMAKE_C_COMPILER_LAUNCHER ${CCACHE_PROGRAM})
263 set(CMAKE_CXX_COMPILER_LAUNCHER ${CCACHE_PROGRAM})
266 message(FATAL_ERROR "Unable to find the program ccache. Set LLVM_CCACHE_BUILD to OFF")
270 set(LLVM_EXTERNAL_PROJECT_BUILD_TOOL_ARGS "" CACHE STRING
271 "Optional arguments for the native tool used in CMake --build invocations for external projects.")
272 mark_as_advanced(LLVM_EXTERNAL_PROJECT_BUILD_TOOL_ARGS)
274 option(LLVM_DEPENDENCY_DEBUGGING "Dependency debugging mode to verify correctly expressed library dependencies (Darwin only)" OFF)
276 # Some features of the LLVM build may be disallowed when dependency debugging is
277 # enabled. In particular you cannot use ccache because we want to force compile
278 # operations to always happen.
279 if(LLVM_DEPENDENCY_DEBUGGING)
280 if(NOT CMAKE_HOST_APPLE)
281 message(FATAL_ERROR "Dependency debugging is only currently supported on Darwin hosts.")
283 if(LLVM_CCACHE_BUILD)
284 message(FATAL_ERROR "Cannot enable dependency debugging while using ccache.")
288 option(LLVM_ENABLE_DAGISEL_COV "Debug: Prints tablegen patterns that were used for selecting" OFF)
289 option(LLVM_ENABLE_GISEL_COV "Enable collection of GlobalISel rule coverage" OFF)
290 if(LLVM_ENABLE_GISEL_COV)
291 set(LLVM_GISEL_COV_PREFIX "${CMAKE_BINARY_DIR}/gisel-coverage-" CACHE STRING "Provide a filename prefix to collect the GlobalISel rule coverage")
294 # Add path for custom modules
295 list(INSERT CMAKE_MODULE_PATH 0
296 "${CMAKE_CURRENT_SOURCE_DIR}/cmake"
297 "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules"
298 "${LLVM_COMMON_CMAKE_UTILS}/Modules"
301 # Generate a CompilationDatabase (compile_commands.json file) for our build,
302 # for use by clang_complete, YouCompleteMe, etc.
303 set(CMAKE_EXPORT_COMPILE_COMMANDS 1)
305 option(LLVM_INSTALL_BINUTILS_SYMLINKS
306 "Install symlinks from the binutils tool names to the corresponding LLVM tools." OFF)
308 option(LLVM_INSTALL_CCTOOLS_SYMLINKS
309 "Install symlinks from the cctools tool names to the corresponding LLVM tools." OFF)
311 # By default we use symlinks on Unix platforms and copy binaries on Windows
312 # If you have the correct setup on Windows you can use this option to enable
313 # symlinks and save a lot of diskspace.
314 option(LLVM_USE_SYMLINKS "Use symlinks instead of copying binaries" ${CMAKE_HOST_UNIX})
316 option(LLVM_INSTALL_UTILS "Include utility binaries in the 'install' target." OFF)
318 option(LLVM_INSTALL_TOOLCHAIN_ONLY "Only include toolchain files in the 'install' target." OFF)
320 # Unfortunatly Clang is too eager to search directories for module maps, which can cause the
321 # installed version of the maps to be found when building LLVM from source. Therefore we turn off
322 # the installation by default. See llvm.org/PR31905.
323 option(LLVM_INSTALL_MODULEMAPS "Install the modulemap files in the 'install' target." OFF)
325 option(LLVM_USE_FOLDERS "Enable solution folders in Visual Studio. Disable for Express versions." ON)
326 if ( LLVM_USE_FOLDERS )
327 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
330 include(VersionFromVCS)
332 option(LLVM_APPEND_VC_REV
333 "Embed the version control system revision in LLVM" ON)
335 option(LLVM_TOOL_LLVM_DRIVER_BUILD "Enables building the llvm multicall tool" OFF)
337 set(PACKAGE_NAME LLVM)
338 set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
339 set(PACKAGE_BUGREPORT "https://github.com/llvm/llvm-project/issues/")
341 set(BUG_REPORT_URL "${PACKAGE_BUGREPORT}" CACHE STRING
342 "Default URL where bug reports are to be submitted.")
345 if(NOT DEFINED CPACK_PACKAGE_INSTALL_DIRECTORY)
346 set(CPACK_PACKAGE_INSTALL_DIRECTORY "LLVM")
348 if(NOT DEFINED CPACK_PACKAGE_VENDOR)
349 set(CPACK_PACKAGE_VENDOR "LLVM")
351 set(CPACK_PACKAGE_VERSION_MAJOR ${LLVM_VERSION_MAJOR})
352 set(CPACK_PACKAGE_VERSION_MINOR ${LLVM_VERSION_MINOR})
353 set(CPACK_PACKAGE_VERSION_PATCH ${LLVM_VERSION_PATCH})
354 set(CPACK_PACKAGE_VERSION ${PACKAGE_VERSION})
355 set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE.TXT")
356 if(WIN32 AND NOT UNIX)
357 set(CPACK_NSIS_COMPRESSOR "/SOLID lzma \r\n SetCompressorDictSize 32")
358 if(NOT DEFINED CPACK_PACKAGE_INSTALL_REGISTRY_KEY)
359 set(CPACK_PACKAGE_INSTALL_REGISTRY_KEY "LLVM")
361 set(CPACK_PACKAGE_ICON "${CMAKE_CURRENT_SOURCE_DIR}\\\\cmake\\\\nsis_logo.bmp")
362 set(CPACK_NSIS_MUI_ICON "${CMAKE_CURRENT_SOURCE_DIR}\\\\cmake\\\\nsis_icon.ico")
363 set(CPACK_NSIS_MUI_UNIICON "${CMAKE_CURRENT_SOURCE_DIR}\\\\cmake\\\\nsis_icon.ico")
364 set(CPACK_NSIS_MODIFY_PATH "ON")
365 set(CPACK_NSIS_ENABLE_UNINSTALL_BEFORE_INSTALL "ON")
367 if(NOT DEFINED CPACK_NSIS_INSTALL_ROOT)
368 set(CPACK_NSIS_INSTALL_ROOT "$PROGRAMFILES64")
374 # Sanity check our source directory to make sure that we are not trying to
375 # generate an in-source build (unless on MSVC_IDE, where it is ok), and to make
376 # sure that we don't have any stray generated files lying around in the tree
377 # (which would end up getting picked up by header search, instead of the correct
379 if( CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR AND NOT MSVC_IDE )
380 message(FATAL_ERROR "In-source builds are not allowed.
381 Please create a directory and run cmake from there, passing the path
382 to this source directory as the last argument.
383 This process created the file `CMakeCache.txt' and the directory `CMakeFiles'.
384 Please delete them.")
387 string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE)
389 if (CMAKE_BUILD_TYPE AND
390 NOT uppercase_CMAKE_BUILD_TYPE MATCHES "^(DEBUG|RELEASE|RELWITHDEBINFO|MINSIZEREL)$")
391 message(WARNING "Unknown value for CMAKE_BUILD_TYPE: ${CMAKE_BUILD_TYPE}")
394 # LLVM_INSTALL_PACKAGE_DIR needs to be declared prior to adding the tools
395 # subdirectory in order to have the value available for llvm-config.
396 include(GNUInstallPackageDir)
397 set(LLVM_INSTALL_PACKAGE_DIR "${CMAKE_INSTALL_PACKAGEDIR}/llvm" CACHE STRING
398 "Path for CMake subdirectory for LLVM (defaults to '${CMAKE_INSTALL_PACKAGEDIR}/llvm')")
400 set(LLVM_TOOLS_INSTALL_DIR "${CMAKE_INSTALL_BINDIR}" CACHE STRING
401 "Path for binary subdirectory (defaults to '${CMAKE_INSTALL_BINDIR}')")
402 mark_as_advanced(LLVM_TOOLS_INSTALL_DIR)
404 set(LLVM_UTILS_INSTALL_DIR "${LLVM_TOOLS_INSTALL_DIR}" CACHE STRING
405 "Path to install LLVM utilities (enabled by LLVM_INSTALL_UTILS=ON) (defaults to LLVM_TOOLS_INSTALL_DIR)")
406 mark_as_advanced(LLVM_UTILS_INSTALL_DIR)
408 set(LLVM_EXAMPLES_INSTALL_DIR "examples" CACHE STRING
409 "Path for examples subdirectory (enabled by LLVM_BUILD_EXAMPLES=ON) (defaults to 'examples')")
410 mark_as_advanced(LLVM_EXAMPLES_INSTALL_DIR)
412 # They are used as destination of target generators.
413 set(LLVM_RUNTIME_OUTPUT_INTDIR ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/bin)
414 set(LLVM_LIBRARY_OUTPUT_INTDIR ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib${LLVM_LIBDIR_SUFFIX})
416 # DLL platform -- put DLLs into bin.
417 set(LLVM_SHLIB_OUTPUT_INTDIR ${LLVM_RUNTIME_OUTPUT_INTDIR})
419 set(LLVM_SHLIB_OUTPUT_INTDIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
422 # Each of them corresponds to llvm-config's.
423 set(LLVM_TOOLS_BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR}) # --bindir
424 set(LLVM_LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}) # --libdir
425 set(LLVM_MAIN_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR} ) # --src-root
426 set(LLVM_MAIN_INCLUDE_DIR ${LLVM_MAIN_SRC_DIR}/include ) # --includedir
427 set(LLVM_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR} ) # --prefix
430 # Note: LLVM_CMAKE_DIR does not include generated files
431 set(LLVM_CMAKE_DIR ${LLVM_MAIN_SRC_DIR}/cmake/modules)
432 set(LLVM_EXAMPLES_BINARY_DIR ${LLVM_BINARY_DIR}/examples)
433 set(LLVM_INCLUDE_DIR ${CMAKE_CURRENT_BINARY_DIR}/include)
435 # List of all targets to be built by default:
458 # List of targets with JIT support:
459 set(LLVM_TARGETS_WITH_JIT X86 PowerPC AArch64 ARM Mips SystemZ)
461 set(LLVM_TARGETS_TO_BUILD "all"
462 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
464 set(LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ""
465 CACHE STRING "Semicolon-separated list of experimental targets to build.")
467 option(BUILD_SHARED_LIBS
468 "Build all libraries as shared libraries instead of static" OFF)
470 option(LLVM_ENABLE_BACKTRACES "Enable embedding backtraces on crash." ON)
471 if(LLVM_ENABLE_BACKTRACES)
472 set(ENABLE_BACKTRACES 1)
475 option(LLVM_ENABLE_UNWIND_TABLES "Emit unwind tables for the libraries" ON)
477 option(LLVM_ENABLE_CRASH_OVERRIDES "Enable crash overrides." ON)
478 if(LLVM_ENABLE_CRASH_OVERRIDES)
479 set(ENABLE_CRASH_OVERRIDES 1)
482 option(LLVM_ENABLE_CRASH_DUMPS "Turn on memory dumps on crashes. Currently only implemented on Windows." OFF)
484 set(WINDOWS_PREFER_FORWARD_SLASH_DEFAULT OFF)
486 # Cygwin doesn't identify itself as Windows, and thus gets path::Style::posix
487 # as native path style, regardless of what this is set to.
488 set(WINDOWS_PREFER_FORWARD_SLASH_DEFAULT ON)
490 option(LLVM_WINDOWS_PREFER_FORWARD_SLASH "Prefer path names with forward slashes on Windows." ${WINDOWS_PREFER_FORWARD_SLASH_DEFAULT})
492 option(LLVM_ENABLE_FFI "Use libffi to call external functions from the interpreter" OFF)
493 set(FFI_LIBRARY_DIR "" CACHE PATH "Additional directory, where CMake should search for libffi.so")
494 set(FFI_INCLUDE_DIR "" CACHE PATH "Additional directory, where CMake should search for ffi.h or ffi/ffi.h")
496 set(LLVM_TARGET_ARCH "host"
497 CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.")
499 option(LLVM_ENABLE_TERMINFO "Use terminfo database if available." ON)
501 set(LLVM_ENABLE_LIBXML2 "ON" CACHE STRING "Use libxml2 if available. Can be ON, OFF, or FORCE_ON")
503 option(LLVM_ENABLE_LIBEDIT "Use libedit if available." ON)
505 option(LLVM_ENABLE_LIBPFM "Use libpfm for performance counters if available." ON)
507 # On z/OS, threads cannot be used because TLS is not supported.
508 if (CMAKE_SYSTEM_NAME MATCHES "OS390")
509 option(LLVM_ENABLE_THREADS "Use threads if available." OFF)
511 option(LLVM_ENABLE_THREADS "Use threads if available." ON)
514 set(LLVM_ENABLE_ZLIB "ON" CACHE STRING "Use zlib for compression/decompression if available. Can be ON, OFF, or FORCE_ON")
516 set(LLVM_ENABLE_ZSTD "ON" CACHE STRING "Use zstd for compression/decompression if available. Can be ON, OFF, or FORCE_ON")
518 set(LLVM_USE_STATIC_ZSTD FALSE CACHE BOOL "Use static version of zstd. Can be TRUE, FALSE")
520 set(LLVM_ENABLE_CURL "OFF" CACHE STRING "Use libcurl for the HTTP client if available. Can be ON, OFF, or FORCE_ON")
522 set(LLVM_ENABLE_HTTPLIB "OFF" CACHE STRING "Use cpp-httplib HTTP server library if available. Can be ON, OFF, or FORCE_ON")
524 set(LLVM_Z3_INSTALL_DIR "" CACHE STRING "Install directory of the Z3 solver.")
526 option(LLVM_ENABLE_Z3_SOLVER
527 "Enable Support for the Z3 constraint solver in LLVM."
528 ${LLVM_ENABLE_Z3_SOLVER_DEFAULT}
531 if (LLVM_ENABLE_Z3_SOLVER)
532 find_package(Z3 4.7.1)
534 if (LLVM_Z3_INSTALL_DIR)
536 message(FATAL_ERROR "Z3 >= 4.7.1 has not been found in LLVM_Z3_INSTALL_DIR: ${LLVM_Z3_INSTALL_DIR}.")
541 message(FATAL_ERROR "LLVM_ENABLE_Z3_SOLVER cannot be enabled when Z3 is not available.")
547 set(LLVM_ENABLE_Z3_SOLVER_DEFAULT "${Z3_FOUND}")
550 if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
551 set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
554 set(LLVM_TARGETS_TO_BUILD
555 ${LLVM_TARGETS_TO_BUILD}
556 ${LLVM_EXPERIMENTAL_TARGETS_TO_BUILD})
557 list(REMOVE_DUPLICATES LLVM_TARGETS_TO_BUILD)
559 option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON)
560 option(LLVM_ENABLE_MODULES "Compile with C++ modules enabled." OFF)
561 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
562 option(LLVM_ENABLE_MODULE_DEBUGGING "Compile with -gmodules." ON)
564 option(LLVM_ENABLE_MODULE_DEBUGGING "Compile with -gmodules." OFF)
566 option(LLVM_ENABLE_LOCAL_SUBMODULE_VISIBILITY "Compile with -fmodules-local-submodule-visibility." ON)
567 option(LLVM_ENABLE_LIBCXX "Use libc++ if available." OFF)
568 option(LLVM_STATIC_LINK_CXX_STDLIB "Statically link the standard library." OFF)
569 option(LLVM_ENABLE_LLD "Use lld as C and C++ linker." OFF)
570 option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
571 option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
573 option(LLVM_ENABLE_DUMP "Enable dump functions even when assertions are disabled" OFF)
574 option(LLVM_UNREACHABLE_OPTIMIZE "Optimize llvm_unreachable() as undefined behavior (default), guaranteed trap when OFF" ON)
576 if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG" )
577 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
579 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
582 option(LLVM_ENABLE_EXPENSIVE_CHECKS "Enable expensive checks" OFF)
584 # While adding scalable vector support to LLVM, we temporarily want to
585 # allow an implicit conversion of TypeSize to uint64_t, and to allow
586 # code to get the fixed number of elements from a possibly scalable vector.
587 # This CMake flag enables a more strict mode where it asserts that the type
588 # is not a scalable vector type.
590 # Enabling this flag makes it easier to find cases where the compiler makes
591 # assumptions on the size being 'fixed size', when building tests for
592 # SVE/SVE2 or other scalable vector architectures.
593 option(LLVM_ENABLE_STRICT_FIXED_SIZE_VECTORS
594 "Enable assertions that type is not scalable in implicit conversion from TypeSize to uint64_t and calls to getNumElements" OFF)
596 set(LLVM_ABI_BREAKING_CHECKS "WITH_ASSERTS" CACHE STRING
597 "Enable abi-breaking checks. Can be WITH_ASSERTS, FORCE_ON or FORCE_OFF.")
599 option(LLVM_FORCE_USE_OLD_TOOLCHAIN
600 "Set to ON to force using an old, unsupported host toolchain." OFF)
602 set(LLVM_LOCAL_RPATH "" CACHE FILEPATH
603 "If set, an absolute path added as rpath on binaries that do not already contain an executable-relative rpath.")
605 option(LLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN
606 "Set to ON to only warn when using a toolchain which is about to be deprecated, instead of emitting an error." OFF)
608 option(LLVM_USE_INTEL_JITEVENTS
609 "Use Intel JIT API to inform Intel(R) VTune(TM) Amplifier XE 2011 about JIT code"
612 if( LLVM_USE_INTEL_JITEVENTS )
613 # Verify we are on a supported platform
614 if( NOT CMAKE_SYSTEM_NAME MATCHES "Windows" AND NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
616 "Intel JIT API support is available on Linux and Windows only.")
618 endif( LLVM_USE_INTEL_JITEVENTS )
620 option(LLVM_USE_OPROFILE
621 "Use opagent JIT interface to inform OProfile about JIT code" OFF)
623 option(LLVM_EXTERNALIZE_DEBUGINFO
624 "Generate dSYM files and strip executables and libraries (Darwin Only)" OFF)
626 set(LLVM_CODESIGNING_IDENTITY "" CACHE STRING
627 "Sign executables and dylibs with the given identity or skip if empty (Darwin Only)")
629 # If enabled, verify we are on a platform that supports oprofile.
630 if( LLVM_USE_OPROFILE )
631 if( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
632 message(FATAL_ERROR "OProfile support is available on Linux only.")
633 endif( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
634 endif( LLVM_USE_OPROFILE )
637 "Use perf JIT interface to inform perf about JIT code" OFF)
639 # If enabled, verify we are on a platform that supports perf.
641 if( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
642 message(FATAL_ERROR "perf support is available on Linux only.")
643 endif( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
644 endif( LLVM_USE_PERF )
646 set(LLVM_USE_SANITIZER "" CACHE STRING
647 "Define the sanitizer used to build binaries and tests.")
648 option(LLVM_OPTIMIZE_SANITIZED_BUILDS "Pass -O1 on debug sanitizer builds" ON)
650 "-fsanitize=undefined -fno-sanitize=vptr,function -fno-sanitize-recover=all"
652 "Compile flags set to enable UBSan. Only used if LLVM_USE_SANITIZER contains 'Undefined'.")
653 set(LLVM_LIB_FUZZING_ENGINE "" CACHE PATH
654 "Path to fuzzing library for linking with fuzz targets")
656 option(LLVM_USE_SPLIT_DWARF
657 "Use -gsplit-dwarf when compiling llvm and --gdb-index when linking." OFF)
659 # Define an option controlling whether we should build for 32-bit on 64-bit
660 # platforms, where supported.
661 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT (WIN32 OR ${CMAKE_SYSTEM_NAME} MATCHES "AIX"))
662 # TODO: support other platforms and toolchains.
663 option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
666 # Define the default arguments to use with 'lit', and an option for the user to
668 set(LIT_ARGS_DEFAULT "-sv")
669 if (MSVC_IDE OR XCODE)
670 set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
672 set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit")
674 # On Win32 hosts, provide an option to specify the path to the GnuWin32 tools.
675 if( WIN32 AND NOT CYGWIN )
676 set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools")
678 set(LLVM_NATIVE_TOOL_DIR "" CACHE PATH "Path to a directory containing prebuilt matching native tools (such as llvm-tblgen)")
680 set(LLVM_INTEGRATED_CRT_ALLOC "" CACHE PATH "Replace the Windows CRT allocator with any of {rpmalloc|mimalloc|snmalloc}. Only works with /MT enabled.")
681 if(LLVM_INTEGRATED_CRT_ALLOC)
683 message(FATAL_ERROR "LLVM_INTEGRATED_CRT_ALLOC is only supported on Windows.")
685 if(LLVM_USE_SANITIZER)
686 message(FATAL_ERROR "LLVM_INTEGRATED_CRT_ALLOC cannot be used along with LLVM_USE_SANITIZER!")
688 if(CMAKE_BUILD_TYPE AND uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG")
689 message(FATAL_ERROR "The Debug target isn't supported along with LLVM_INTEGRATED_CRT_ALLOC!")
693 # Define options to control the inclusion and default build behavior for
694 # components which may not strictly be necessary (tools, examples, and tests).
696 # This is primarily to support building smaller or faster project files.
697 option(LLVM_INCLUDE_TOOLS "Generate build targets for the LLVM tools." ON)
698 option(LLVM_BUILD_TOOLS
699 "Build the LLVM tools. If OFF, just generate build targets." ON)
701 option(LLVM_INCLUDE_UTILS "Generate build targets for the LLVM utils." ON)
702 option(LLVM_BUILD_UTILS
703 "Build LLVM utility binaries. If OFF, just generate build targets." ON)
705 option(LLVM_INCLUDE_RUNTIMES "Generate build targets for the LLVM runtimes." ON)
706 option(LLVM_BUILD_RUNTIMES
707 "Build the LLVM runtimes. If OFF, just generate build targets." ON)
709 option(LLVM_BUILD_RUNTIME
710 "Build the LLVM runtime libraries." ON)
711 option(LLVM_BUILD_EXAMPLES
712 "Build the LLVM example programs. If OFF, just generate build targets." OFF)
713 option(LLVM_INCLUDE_EXAMPLES "Generate build targets for the LLVM examples" ON)
715 if(LLVM_BUILD_EXAMPLES)
716 add_compile_definitions(BUILD_EXAMPLES)
717 endif(LLVM_BUILD_EXAMPLES)
719 option(LLVM_BUILD_TESTS
720 "Build LLVM unit tests. If OFF, just generate build targets." OFF)
721 option(LLVM_INCLUDE_TESTS "Generate build targets for the LLVM unit tests." ON)
723 option(LLVM_INSTALL_GTEST
724 "Install the llvm gtest library. This should be on if you want to do
725 stand-alone builds of the other projects and run their unit tests." OFF)
727 option(LLVM_BUILD_BENCHMARKS "Add LLVM benchmark targets to the list of default
728 targets. If OFF, benchmarks still could be built using Benchmarks target." OFF)
729 option(LLVM_INCLUDE_BENCHMARKS "Generate benchmark targets. If OFF, benchmarks can't be built." ON)
731 option (LLVM_BUILD_DOCS "Build the llvm documentation." OFF)
732 option (LLVM_INCLUDE_DOCS "Generate build targets for llvm documentation." ON)
733 option (LLVM_ENABLE_DOXYGEN "Use doxygen to generate llvm API documentation." OFF)
734 option (LLVM_ENABLE_SPHINX "Use Sphinx to generate llvm documentation." OFF)
735 option (LLVM_ENABLE_OCAMLDOC "Build OCaml bindings documentation." ON)
736 option (LLVM_ENABLE_BINDINGS "Build bindings." ON)
738 set(LLVM_INSTALL_DOXYGEN_HTML_DIR "${CMAKE_INSTALL_DOCDIR}/llvm/doxygen-html"
739 CACHE STRING "Doxygen-generated HTML documentation install directory")
740 set(LLVM_INSTALL_OCAMLDOC_HTML_DIR "${CMAKE_INSTALL_DOCDIR}/llvm/ocaml-html"
741 CACHE STRING "OCamldoc-generated HTML documentation install directory")
743 option (LLVM_BUILD_EXTERNAL_COMPILER_RT
744 "Build compiler-rt as an external project." OFF)
746 option (LLVM_VERSION_PRINTER_SHOW_HOST_TARGET_INFO
747 "Show target and host info when tools are invoked with --version." ON)
749 # You can configure which libraries from LLVM you want to include in the
750 # shared library by setting LLVM_DYLIB_COMPONENTS to a semi-colon delimited
751 # list of LLVM components. All component names handled by llvm-config are valid.
752 if(NOT DEFINED LLVM_DYLIB_COMPONENTS)
753 set(LLVM_DYLIB_COMPONENTS "all" CACHE STRING
754 "Semicolon-separated list of components to include in libLLVM, or \"all\".")
758 option(LLVM_BUILD_LLVM_C_DYLIB "Build LLVM-C.dll (Windows only)" ON)
759 # Set this variable to OFF here so it can't be set with a command-line
761 set (LLVM_LINK_LLVM_DYLIB OFF)
762 if (BUILD_SHARED_LIBS)
763 message(FATAL_ERROR "BUILD_SHARED_LIBS options is not supported on Windows.")
766 option(LLVM_LINK_LLVM_DYLIB "Link tools against the libllvm dynamic library" OFF)
767 option(LLVM_BUILD_LLVM_C_DYLIB "Build libllvm-c re-export library (Darwin only)" OFF)
768 set(LLVM_BUILD_LLVM_DYLIB_default OFF)
769 if(LLVM_LINK_LLVM_DYLIB OR LLVM_BUILD_LLVM_C_DYLIB)
770 set(LLVM_BUILD_LLVM_DYLIB_default ON)
772 option(LLVM_BUILD_LLVM_DYLIB "Build libllvm dynamic library" ${LLVM_BUILD_LLVM_DYLIB_default})
775 if (LLVM_LINK_LLVM_DYLIB AND BUILD_SHARED_LIBS)
776 message(FATAL_ERROR "Cannot enable BUILD_SHARED_LIBS with LLVM_LINK_LLVM_DYLIB. We recommend disabling BUILD_SHARED_LIBS.")
779 option(LLVM_OPTIMIZED_TABLEGEN "Force TableGen to be built with optimization" OFF)
780 if(CMAKE_CROSSCOMPILING OR (LLVM_OPTIMIZED_TABLEGEN AND (LLVM_ENABLE_ASSERTIONS OR CMAKE_CONFIGURATION_TYPES)))
781 set(LLVM_USE_HOST_TOOLS ON)
784 option(LLVM_OMIT_DAGISEL_COMMENTS "Do not add comments to DAG ISel" ON)
785 if (CMAKE_BUILD_TYPE AND uppercase_CMAKE_BUILD_TYPE MATCHES "^(RELWITHDEBINFO|DEBUG)$")
786 set(LLVM_OMIT_DAGISEL_COMMENTS OFF)
790 option(LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION "Configure project to use Visual Studio native visualizers" TRUE)
793 if (LLVM_BUILD_INSTRUMENTED OR LLVM_BUILD_INSTRUMENTED_COVERAGE OR
795 if(NOT LLVM_PROFILE_MERGE_POOL_SIZE)
796 # A pool size of 1-2 is probably sufficient on a SSD. 3-4 should be fine
797 # for spining disks. Anything higher may only help on slower mediums.
798 set(LLVM_PROFILE_MERGE_POOL_SIZE "4")
800 if(NOT LLVM_PROFILE_FILE_PATTERN)
801 if(NOT LLVM_PROFILE_DATA_DIR)
802 file(TO_NATIVE_PATH "${LLVM_BINARY_DIR}/profiles" LLVM_PROFILE_DATA_DIR)
804 file(TO_NATIVE_PATH "${LLVM_PROFILE_DATA_DIR}/%${LLVM_PROFILE_MERGE_POOL_SIZE}m.profraw" LLVM_PROFILE_FILE_PATTERN)
806 if(NOT LLVM_CSPROFILE_FILE_PATTERN)
807 if(NOT LLVM_CSPROFILE_DATA_DIR)
808 file(TO_NATIVE_PATH "${LLVM_BINARY_DIR}/csprofiles" LLVM_CSPROFILE_DATA_DIR)
810 file(TO_NATIVE_PATH "${LLVM_CSPROFILE_DATA_DIR}/%${LLVM_PROFILE_MERGE_POOL_SIZE}m.profraw" LLVM_CSPROFILE_FILE_PATTERN)
814 if (LLVM_BUILD_STATIC)
815 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static")
816 # Remove shared library suffixes from use in find_library
817 foreach (shared_lib_suffix ${CMAKE_SHARED_LIBRARY_SUFFIX} ${CMAKE_IMPORT_LIBRARY_SUFFIX})
818 list(FIND CMAKE_FIND_LIBRARY_SUFFIXES ${shared_lib_suffix} shared_lib_suffix_idx)
819 if(NOT ${shared_lib_suffix_idx} EQUAL -1)
820 list(REMOVE_AT CMAKE_FIND_LIBRARY_SUFFIXES ${shared_lib_suffix_idx})
825 # Use libtool instead of ar if you are both on an Apple host, and targeting Apple.
826 if(CMAKE_HOST_APPLE AND APPLE)
830 # Override the default target with an environment variable named by LLVM_TARGET_TRIPLE_ENV.
831 set(LLVM_TARGET_TRIPLE_ENV CACHE STRING "The name of environment variable to override default target. Disabled by blank.")
832 mark_as_advanced(LLVM_TARGET_TRIPLE_ENV)
834 if(CMAKE_SYSTEM_NAME MATCHES "BSD|Linux|OS390")
835 set(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR_default ON)
837 set(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR_default OFF)
839 set(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR ${LLVM_ENABLE_PER_TARGET_RUNTIME_DIR_default} CACHE BOOL
840 "Enable per-target runtimes directory")
842 set(LLVM_PROFDATA_FILE "" CACHE FILEPATH
843 "Profiling data file to use when compiling in order to improve runtime performance.")
845 if(LLVM_INCLUDE_TESTS)
846 # Lit test suite requires at least python 3.6
847 set(LLVM_MINIMUM_PYTHON_VERSION 3.6)
849 # FIXME: it is unknown if this is the actual minimum bound
850 set(LLVM_MINIMUM_PYTHON_VERSION 3.0)
853 # Find python before including config-ix, since it needs to be able to search
854 # for python modules.
855 find_package(Python3 ${LLVM_MINIMUM_PYTHON_VERSION} REQUIRED
856 COMPONENTS Interpreter)
858 # All options referred to from HandleLLVMOptions have to be specified
859 # BEFORE this include, otherwise options will not be correctly set on
863 # By default, we target the host, but this can be overridden at CMake
864 # invocation time. Except on 64-bit AIX, where the system toolchain
865 # expect 32-bit objects by default.
866 if("${LLVM_HOST_TRIPLE}" MATCHES "^powerpc64-ibm-aix")
867 string(REGEX REPLACE "^powerpc64" "powerpc" LLVM_DEFAULT_TARGET_TRIPLE_default "${LLVM_HOST_TRIPLE}")
869 # Only set default triple when native target is enabled.
870 if (LLVM_NATIVE_TARGET)
871 set(LLVM_DEFAULT_TARGET_TRIPLE_default "${LLVM_HOST_TRIPLE}")
875 include(SetTargetTriple)
876 set_llvm_target_triple()
879 if(BUILD_SHARED_LIBS OR LLVM_BUILD_LLVM_DYLIB)
880 set(LLVM_ENABLE_PLUGINS_default ON)
882 set(LLVM_ENABLE_PLUGINS_default OFF)
885 set(LLVM_ENABLE_PLUGINS_default ${LLVM_ENABLE_PIC})
887 option(LLVM_ENABLE_PLUGINS "Enable plugin support" ${LLVM_ENABLE_PLUGINS_default})
889 set(LLVM_ENABLE_NEW_PASS_MANAGER TRUE CACHE BOOL
890 "Enable the new pass manager by default.")
891 if(NOT LLVM_ENABLE_NEW_PASS_MANAGER)
892 message(FATAL_ERROR "Enabling the legacy pass manager on the cmake level is"
893 " no longer supported.")
896 include(HandleLLVMOptions)
900 # Configure all of the various header file fragments LLVM uses which depend on
901 # configuration variables.
902 set(LLVM_ENUM_TARGETS "")
903 set(LLVM_ENUM_ASM_PRINTERS "")
904 set(LLVM_ENUM_ASM_PARSERS "")
905 set(LLVM_ENUM_DISASSEMBLERS "")
906 set(LLVM_ENUM_TARGETMCAS "")
907 set(LLVM_ENUM_EXEGESIS "")
908 foreach(t ${LLVM_TARGETS_TO_BUILD})
909 set( td ${LLVM_MAIN_SRC_DIR}/lib/Target/${t} )
911 list(FIND LLVM_ALL_TARGETS ${t} idx)
912 list(FIND LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ${t} idy)
913 # At this point, LLVMBUILDTOOL already checked all the targets passed in
914 # LLVM_TARGETS_TO_BUILD and LLVM_EXPERIMENTAL_TARGETS_TO_BUILD, so
915 # this test just makes sure that any experimental targets were passed via
916 # LLVM_EXPERIMENTAL_TARGETS_TO_BUILD, not LLVM_TARGETS_TO_BUILD.
917 if( idx LESS 0 AND idy LESS 0 )
918 message(FATAL_ERROR "The target `${t}' is experimental and must be passed "
919 "via LLVM_EXPERIMENTAL_TARGETS_TO_BUILD.")
921 set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${t})\n")
924 file(GLOB asmp_file "${td}/*AsmPrinter.cpp")
926 set(LLVM_ENUM_ASM_PRINTERS
927 "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n")
929 if( EXISTS ${td}/AsmParser/CMakeLists.txt )
930 set(LLVM_ENUM_ASM_PARSERS
931 "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n")
933 if( EXISTS ${td}/Disassembler/CMakeLists.txt )
934 set(LLVM_ENUM_DISASSEMBLERS
935 "${LLVM_ENUM_DISASSEMBLERS}LLVM_DISASSEMBLER(${t})\n")
937 if( EXISTS ${td}/MCA/CMakeLists.txt )
938 set(LLVM_ENUM_TARGETMCAS
939 "${LLVM_ENUM_TARGETMCAS}LLVM_TARGETMCA(${t})\n")
941 if( EXISTS ${LLVM_MAIN_SRC_DIR}/tools/llvm-exegesis/lib/${t}/CMakeLists.txt )
942 set(LLVM_ENUM_EXEGESIS
943 "${LLVM_ENUM_EXEGESIS}LLVM_EXEGESIS(${t})\n")
947 # Provide an LLVM_ namespaced alias for use in #cmakedefine.
948 set(LLVM_BUILD_SHARED_LIBS ${BUILD_SHARED_LIBS})
950 # Produce the target definition files, which provide a way for clients to easily
951 # include various classes of targets.
953 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in
954 ${LLVM_INCLUDE_DIR}/llvm/Config/AsmPrinters.def
957 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in
958 ${LLVM_INCLUDE_DIR}/llvm/Config/AsmParsers.def
961 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Disassemblers.def.in
962 ${LLVM_INCLUDE_DIR}/llvm/Config/Disassemblers.def
965 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in
966 ${LLVM_INCLUDE_DIR}/llvm/Config/Targets.def
969 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/TargetMCAs.def.in
970 ${LLVM_INCLUDE_DIR}/llvm/Config/TargetMCAs.def
973 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/TargetExegesis.def.in
974 ${LLVM_INCLUDE_DIR}/llvm/Config/TargetExegesis.def
977 # They are not referenced. See set_output_directory().
978 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR} )
979 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_LIBRARY_DIR} )
980 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_LIBRARY_DIR} )
982 # For up-to-date instructions for installing the TFLite dependency, refer to
983 # the bot setup script: https://github.com/google/ml-compiler-opt/blob/main/buildbot/buildbot_init.sh
984 set(LLVM_HAVE_TFLITE "" CACHE BOOL "Use tflite")
985 if (LLVM_HAVE_TFLITE)
986 find_package(tensorflow-lite REQUIRED)
989 # For up-to-date instructions for installing the Tensorflow dependency, refer to
990 # the bot setup script: https://github.com/google/ml-compiler-opt/blob/main/buildbot/buildbot_init.sh
991 # Specifically, assuming python3 is installed:
992 # python3 -m pip install --upgrade pip && python3 -m pip install --user tf_nightly==2.3.0.dev20200528
993 # Then set TENSORFLOW_AOT_PATH to the package install - usually it's ~/.local/lib/python3.7/site-packages/tensorflow
995 set(TENSORFLOW_AOT_PATH "" CACHE PATH "Path to TensorFlow pip install dir")
997 if (NOT TENSORFLOW_AOT_PATH STREQUAL "")
998 set(LLVM_HAVE_TF_AOT "ON" CACHE BOOL "Tensorflow AOT available")
999 set(TENSORFLOW_AOT_COMPILER
1000 "${TENSORFLOW_AOT_PATH}/../../../../bin/saved_model_cli"
1001 CACHE PATH "Path to the Tensorflow AOT compiler")
1002 include_directories(${TENSORFLOW_AOT_PATH}/include)
1003 add_subdirectory(${TENSORFLOW_AOT_PATH}/xla_aot_runtime_src
1004 ${CMAKE_ARCHIVE_OUTPUT_DIRECTORY}/tf_runtime)
1005 install(TARGETS tf_xla_runtime EXPORT LLVMExports
1006 ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX} COMPONENT tf_xla_runtime)
1007 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS tf_xla_runtime)
1008 # Once we add more modules, we should handle this more automatically.
1009 if (DEFINED LLVM_OVERRIDE_MODEL_HEADER_INLINERSIZEMODEL)
1010 set(LLVM_INLINER_MODEL_PATH "none")
1011 elseif(NOT DEFINED LLVM_INLINER_MODEL_PATH
1012 OR "${LLVM_INLINER_MODEL_PATH}" STREQUAL ""
1013 OR "${LLVM_INLINER_MODEL_PATH}" STREQUAL "autogenerate")
1014 set(LLVM_INLINER_MODEL_PATH "autogenerate")
1015 set(LLVM_INLINER_MODEL_AUTOGENERATED 1)
1017 if (DEFINED LLVM_OVERRIDE_MODEL_HEADER_REGALLOCEVICTMODEL)
1018 set(LLVM_RAEVICT_MODEL_PATH "none")
1019 elseif(NOT DEFINED LLVM_RAEVICT_MODEL_PATH
1020 OR "${LLVM_RAEVICT_MODEL_PATH}" STREQUAL ""
1021 OR "${LLVM_RAEVICT_MODEL_PATH}" STREQUAL "autogenerate")
1022 set(LLVM_RAEVICT_MODEL_PATH "autogenerate")
1023 set(LLVM_RAEVICT_MODEL_AUTOGENERATED 1)
1028 # Configure the three LLVM configuration header files.
1030 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/config.h.cmake
1031 ${LLVM_INCLUDE_DIR}/llvm/Config/config.h)
1033 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/llvm-config.h.cmake
1034 ${LLVM_INCLUDE_DIR}/llvm/Config/llvm-config.h)
1036 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/abi-breaking.h.cmake
1037 ${LLVM_INCLUDE_DIR}/llvm/Config/abi-breaking.h)
1039 # Add target for generating source rpm package.
1040 set(LLVM_SRPM_USER_BINARY_SPECFILE ${CMAKE_CURRENT_SOURCE_DIR}/llvm.spec.in
1041 CACHE FILEPATH ".spec file to use for srpm generation")
1042 set(LLVM_SRPM_BINARY_SPECFILE ${CMAKE_CURRENT_BINARY_DIR}/llvm.spec)
1043 set(LLVM_SRPM_DIR "${CMAKE_CURRENT_BINARY_DIR}/srpm")
1045 get_source_info(${CMAKE_CURRENT_SOURCE_DIR} revision repository)
1046 string(LENGTH "${revision}" revision_length)
1047 set(LLVM_RPM_SPEC_REVISION "${revision}")
1050 ${LLVM_SRPM_USER_BINARY_SPECFILE}
1051 ${LLVM_SRPM_BINARY_SPECFILE} @ONLY)
1053 add_custom_target(srpm
1054 COMMAND cpack -G TGZ --config CPackSourceConfig.cmake -B ${LLVM_SRPM_DIR}/SOURCES
1055 COMMAND rpmbuild -bs --define '_topdir ${LLVM_SRPM_DIR}' ${LLVM_SRPM_BINARY_SPECFILE})
1056 set_target_properties(srpm PROPERTIES FOLDER "Misc")
1058 if(APPLE AND DARWIN_LTO_LIBRARY)
1059 set(CMAKE_EXE_LINKER_FLAGS
1060 "${CMAKE_EXE_LINKER_FLAGS} -Wl,-lto_library -Wl,${DARWIN_LTO_LIBRARY}")
1061 set(CMAKE_SHARED_LINKER_FLAGS
1062 "${CMAKE_SHARED_LINKER_FLAGS} -Wl,-lto_library -Wl,${DARWIN_LTO_LIBRARY}")
1063 set(CMAKE_MODULE_LINKER_FLAGS
1064 "${CMAKE_MODULE_LINKER_FLAGS} -Wl,-lto_library -Wl,${DARWIN_LTO_LIBRARY}")
1067 # Build with _XOPEN_SOURCE on AIX, as stray macros in _ALL_SOURCE mode tend to
1068 # break things. In this case we need to enable the large-file API as well.
1069 if (UNIX AND ${CMAKE_SYSTEM_NAME} MATCHES "AIX")
1070 add_compile_definitions(_XOPEN_SOURCE=700)
1071 add_compile_definitions(_LARGE_FILE_API)
1073 # CMake versions less than 3.16 set default linker flags to include -brtl, as
1074 # well as setting -G when building libraries, so clear them out. Note we only
1075 # try to clear the form that CMake will set as part of its initial
1076 # configuration, it is still possible the user may force it as part of a
1078 if(CMAKE_VERSION VERSION_LESS 3.16)
1079 string(REGEX REPLACE "(^|[ \t]+)-Wl,-brtl([ \t]+|$)" " " CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS}")
1080 string(REGEX REPLACE "(^|[ \t]+)-Wl,-brtl([ \t]+|$)" " " CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS}")
1081 string(REGEX REPLACE "(^|[ \t]+)-Wl,-brtl([ \t]+|$)" " " CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS}")
1082 string(REGEX REPLACE "(^|[ \t]+)(-Wl,)?-G([ \t]+|$)" " " CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS
1083 "${CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS}")
1084 string(REGEX REPLACE "(^|[ \t]+)(-Wl,)?-G([ \t]+|$)" " " CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS
1085 "${CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS}")
1086 string(REGEX REPLACE "(^|[ \t]+)(-Wl,)?-G([ \t]+|$)" " " CMAKE_SHARED_LIBRARY_CREATE_ASM_FLAGS
1087 "${CMAKE_SHARED_LIBRARY_CREATE_ASM_FLAGS}")
1088 string(REGEX REPLACE "(^|[ \t]+)-Wl,-G," " -Wl," CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS
1089 "${CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS}")
1090 string(REGEX REPLACE "(^|[ \t]+)-Wl,-G," " -Wl," CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS
1091 "${CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS}")
1092 string(REGEX REPLACE "(^|[ \t]+)-Wl,-G," " -Wl," CMAKE_SHARED_LIBRARY_CREATE_ASM_FLAGS
1093 "${CMAKE_SHARED_LIBRARY_CREATE_ASM_FLAGS}")
1096 # Modules should be built with -shared -Wl,-G, so we can use runtime linking
1098 string(APPEND CMAKE_MODULE_LINKER_FLAGS " -shared -Wl,-G")
1100 # Also set the correct flags for building shared libraries.
1101 string(APPEND CMAKE_SHARED_LINKER_FLAGS " -shared")
1104 # Build with _XOPEN_SOURCE on z/OS.
1105 if (CMAKE_SYSTEM_NAME MATCHES "OS390")
1106 add_compile_definitions(_XOPEN_SOURCE=600)
1107 add_compile_definitions(_OPEN_SYS) # Needed for process information.
1108 add_compile_definitions(_OPEN_SYS_FILE_EXT) # Needed for EBCDIC I/O.
1111 # Build with _FILE_OFFSET_BITS=64 on Solaris to match g++ >= 9.
1112 if (UNIX AND ${CMAKE_SYSTEM_NAME} MATCHES "SunOS")
1113 add_compile_definitions(_FILE_OFFSET_BITS=64)
1116 set(CMAKE_INCLUDE_CURRENT_DIR ON)
1118 include_directories( ${LLVM_INCLUDE_DIR} ${LLVM_MAIN_INCLUDE_DIR})
1120 # when crosscompiling import the executable targets from a file
1121 if(LLVM_USE_HOST_TOOLS)
1122 include(CrossCompile)
1123 llvm_create_cross_target(LLVM NATIVE "" Release)
1124 endif(LLVM_USE_HOST_TOOLS)
1125 if(LLVM_TARGET_IS_CROSSCOMPILE_HOST)
1126 # Dummy use to avoid CMake Warning: Manually-specified variables were not used
1127 # (this is a variable that CrossCompile sets on recursive invocations)
1130 if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
1131 # special hack for Solaris to handle crazy system sys/regset.h
1132 include_directories("${LLVM_MAIN_INCLUDE_DIR}/llvm/Support/Solaris")
1133 endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
1135 # Make sure we don't get -rdynamic in every binary. For those that need it,
1136 # use export_executable_symbols(target).
1137 set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "")
1142 include(LLVMDistributionSupport)
1144 if( MINGW AND NOT "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" )
1145 # People report that -O3 is unreliable on MinGW. The traditional
1146 # build also uses -O2 for that reason:
1147 llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2")
1150 if(LLVM_INCLUDE_TESTS)
1151 umbrella_lit_testsuite_begin(check-all)
1154 # Put this before tblgen. Else we have a circular dependence.
1155 add_subdirectory(lib/Demangle)
1156 add_subdirectory(lib/Support)
1157 add_subdirectory(lib/TableGen)
1159 add_subdirectory(utils/TableGen)
1161 add_subdirectory(include)
1163 add_subdirectory(lib)
1165 if( LLVM_INCLUDE_UTILS )
1166 add_subdirectory(utils/FileCheck)
1167 add_subdirectory(utils/PerfectShuffle)
1168 add_subdirectory(utils/count)
1169 add_subdirectory(utils/not)
1170 add_subdirectory(utils/UnicodeData)
1171 add_subdirectory(utils/yaml-bench)
1172 add_subdirectory(utils/split-file)
1173 if( LLVM_INCLUDE_TESTS )
1174 add_subdirectory(${LLVM_THIRD_PARTY_DIR}/unittest ${CMAKE_CURRENT_BINARY_DIR}/third-party/unittest)
1177 if ( LLVM_INCLUDE_TESTS )
1178 message(FATAL_ERROR "Including tests when not building utils will not work.
1179 Either set LLVM_INCLUDE_UTILS to On, or set LLVM_INCLUDE_TESTS to Off.")
1183 # Use LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION instead of LLVM_INCLUDE_UTILS because it is not really a util
1184 if (LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION)
1185 add_subdirectory(utils/LLVMVisualizers)
1188 foreach( binding ${LLVM_BINDINGS_LIST} )
1189 if( EXISTS "${LLVM_MAIN_SRC_DIR}/bindings/${binding}/CMakeLists.txt" )
1190 add_subdirectory(bindings/${binding})
1194 add_subdirectory(projects)
1196 if( LLVM_INCLUDE_TOOLS )
1197 add_subdirectory(tools)
1200 if( LLVM_INCLUDE_RUNTIMES )
1201 add_subdirectory(runtimes)
1204 if( LLVM_INCLUDE_EXAMPLES )
1205 add_subdirectory(examples)
1208 if( LLVM_INCLUDE_TESTS )
1209 if(EXISTS ${LLVM_MAIN_SRC_DIR}/projects/test-suite AND TARGET clang)
1210 include(LLVMExternalProjectUtils)
1211 llvm_ExternalProject_Add(test-suite ${LLVM_MAIN_SRC_DIR}/projects/test-suite
1217 add_subdirectory(utils/lit)
1218 add_subdirectory(test)
1219 add_subdirectory(unittests)
1222 # This utility is used to prevent crashing tests from calling Dr. Watson on
1224 add_subdirectory(utils/KillTheDoctor)
1227 umbrella_lit_testsuite_end(check-all)
1228 get_property(LLVM_ALL_LIT_DEPENDS GLOBAL PROPERTY LLVM_ALL_LIT_DEPENDS)
1229 get_property(LLVM_ALL_ADDITIONAL_TEST_DEPENDS
1230 GLOBAL PROPERTY LLVM_ALL_ADDITIONAL_TEST_DEPENDS)
1231 add_custom_target(test-depends
1232 DEPENDS ${LLVM_ALL_LIT_DEPENDS} ${LLVM_ALL_ADDITIONAL_TEST_DEPENDS})
1233 set_target_properties(test-depends PROPERTIES FOLDER "Tests")
1236 if (LLVM_INCLUDE_DOCS)
1237 add_subdirectory(docs)
1240 add_subdirectory(cmake/modules)
1242 # Do this last so that all lit targets have already been created.
1243 if (LLVM_INCLUDE_UTILS)
1244 add_subdirectory(utils/llvm-lit)
1247 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
1248 install(DIRECTORY include/llvm include/llvm-c
1249 DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
1250 COMPONENT llvm-headers
1256 PATTERN "LICENSE.TXT"
1259 install(DIRECTORY ${LLVM_INCLUDE_DIR}/llvm ${LLVM_INCLUDE_DIR}/llvm-c
1260 DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
1261 COMPONENT llvm-headers
1267 # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
1268 PATTERN "CMakeFiles" EXCLUDE
1269 PATTERN "config.h" EXCLUDE
1272 if (LLVM_INSTALL_MODULEMAPS)
1273 install(DIRECTORY include
1274 DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
1275 COMPONENT llvm-headers
1277 PATTERN "module.modulemap"
1279 install(FILES include/module.install.modulemap
1280 DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
1281 COMPONENT llvm-headers
1282 RENAME "module.extern.modulemap"
1284 endif(LLVM_INSTALL_MODULEMAPS)
1286 # Installing the headers needs to depend on generating any public
1287 # tablegen'd headers.
1288 add_custom_target(llvm-headers DEPENDS intrinsics_gen omp_gen)
1289 set_target_properties(llvm-headers PROPERTIES FOLDER "Misc")
1291 if (NOT LLVM_ENABLE_IDE)
1292 add_llvm_install_targets(install-llvm-headers
1293 DEPENDS llvm-headers
1294 COMPONENT llvm-headers)
1297 # Custom target to install all libraries.
1298 add_custom_target(llvm-libraries)
1299 set_target_properties(llvm-libraries PROPERTIES FOLDER "Misc")
1301 if (NOT LLVM_ENABLE_IDE)
1302 add_llvm_install_targets(install-llvm-libraries
1303 DEPENDS llvm-libraries
1304 COMPONENT llvm-libraries)
1307 get_property(LLVM_LIBS GLOBAL PROPERTY LLVM_LIBS)
1309 list(REMOVE_DUPLICATES LLVM_LIBS)
1310 foreach(lib ${LLVM_LIBS})
1311 add_dependencies(llvm-libraries ${lib})
1312 if (NOT LLVM_ENABLE_IDE)
1313 add_dependencies(install-llvm-libraries install-${lib})
1314 add_dependencies(install-llvm-libraries-stripped install-${lib}-stripped)
1320 # This must be at the end of the LLVM root CMakeLists file because it must run
1321 # after all targets are created.
1322 llvm_distribution_add_targets()
1323 process_llvm_pass_plugins(GEN_CONFIG)
1324 include(CoverageReport)
1326 # This allows us to deploy the Universal CRT DLLs by passing -DCMAKE_INSTALL_UCRT_LIBRARIES=ON to CMake
1327 if (MSVC AND CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows" AND CMAKE_INSTALL_UCRT_LIBRARIES)
1328 include(InstallRequiredSystemLibraries)
1331 if (LLVM_INCLUDE_BENCHMARKS)
1332 # Override benchmark defaults so that when the library itself is updated these
1333 # modifications are not lost.
1334 set(BENCHMARK_ENABLE_TESTING OFF CACHE BOOL "Disable benchmark testing" FORCE)
1335 set(BENCHMARK_ENABLE_EXCEPTIONS OFF CACHE BOOL "Disable benchmark exceptions" FORCE)
1336 set(BENCHMARK_ENABLE_INSTALL OFF CACHE BOOL "Don't install benchmark" FORCE)
1337 set(BENCHMARK_DOWNLOAD_DEPENDENCIES OFF CACHE BOOL "Don't download dependencies" FORCE)
1338 set(BENCHMARK_ENABLE_GTEST_TESTS OFF CACHE BOOL "Disable Google Test in benchmark" FORCE)
1339 set(BENCHMARK_ENABLE_WERROR ${LLVM_ENABLE_WERROR} CACHE BOOL
1340 "Handle -Werror for Google Benchmark based on LLVM_ENABLE_WERROR" FORCE)
1341 # Since LLVM requires C++11 it is safe to assume that std::regex is available.
1342 set(HAVE_STD_REGEX ON CACHE BOOL "OK" FORCE)
1343 add_subdirectory(${LLVM_THIRD_PARTY_DIR}/benchmark
1344 ${CMAKE_CURRENT_BINARY_DIR}/third-party/benchmark)
1345 add_subdirectory(benchmarks)
1348 if (LLVM_INCLUDE_UTILS AND LLVM_INCLUDE_TOOLS)
1349 add_subdirectory(utils/llvm-locstats)