1 # See docs/CMake.html for instructions about how to build LLVM with CMake.
3 cmake_minimum_required(VERSION 3.4.3)
6 cmake_policy(SET CMP0068 NEW)
7 set(CMAKE_BUILD_WITH_INSTALL_NAME_DIR ON)
11 cmake_policy(SET CMP0075 NEW)
14 if(NOT DEFINED LLVM_VERSION_MAJOR)
15 set(LLVM_VERSION_MAJOR 9)
17 if(NOT DEFINED LLVM_VERSION_MINOR)
18 set(LLVM_VERSION_MINOR 0)
20 if(NOT DEFINED LLVM_VERSION_PATCH)
21 set(LLVM_VERSION_PATCH 0)
23 if(NOT DEFINED LLVM_VERSION_SUFFIX)
24 set(LLVM_VERSION_SUFFIX svn)
27 if (NOT PACKAGE_VERSION)
29 "${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}${LLVM_VERSION_SUFFIX}")
32 if ((CMAKE_GENERATOR MATCHES "Visual Studio") AND (CMAKE_GENERATOR_TOOLSET STREQUAL ""))
33 message(WARNING "Visual Studio generators use the x86 host compiler by "
34 "default, even for 64-bit targets. This can result in linker "
35 "instability and out of memory errors. To use the 64-bit "
36 "host compiler, pass -Thost=x64 on the CMake command line.")
40 VERSION ${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}
43 if (NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
44 message(STATUS "No build type selected, default to Debug")
45 set(CMAKE_BUILD_TYPE "Debug" CACHE STRING "Build type (default Debug)" FORCE)
48 # This should only apply if you are both on an Apple host, and targeting Apple.
49 if(CMAKE_HOST_APPLE AND APPLE)
50 # if CMAKE_LIBTOOL is not set, try and find it with xcrun or find_program
53 find_program(CMAKE_XCRUN NAMES xcrun)
56 execute_process(COMMAND ${CMAKE_XCRUN} -find libtool
57 OUTPUT_VARIABLE CMAKE_LIBTOOL
58 OUTPUT_STRIP_TRAILING_WHITESPACE)
61 if(NOT CMAKE_LIBTOOL OR NOT EXISTS CMAKE_LIBTOOL)
62 find_program(CMAKE_LIBTOOL NAMES libtool)
66 get_property(languages GLOBAL PROPERTY ENABLED_LANGUAGES)
68 set(CMAKE_LIBTOOL ${CMAKE_LIBTOOL} CACHE PATH "libtool executable")
69 message(STATUS "Found libtool - ${CMAKE_LIBTOOL}")
71 execute_process(COMMAND ${CMAKE_LIBTOOL} -V
72 OUTPUT_VARIABLE LIBTOOL_V_OUTPUT
73 OUTPUT_STRIP_TRAILING_WHITESPACE)
74 if("${LIBTOOL_V_OUTPUT}" MATCHES ".*cctools-([0-9.]+).*")
75 string(REGEX REPLACE ".*cctools-([0-9.]+).*" "\\1" LIBTOOL_VERSION
77 if(NOT LIBTOOL_VERSION VERSION_LESS "862")
78 set(LIBTOOL_NO_WARNING_FLAG "-no_warning_for_no_symbols")
82 foreach(lang ${languages})
83 set(CMAKE_${lang}_CREATE_STATIC_LIBRARY
84 "\"${CMAKE_LIBTOOL}\" -static ${LIBTOOL_NO_WARNING_FLAG} -o <TARGET> \
85 <LINK_FLAGS> <OBJECTS> ")
89 # If DYLD_LIBRARY_PATH is set we need to set it on archiver commands
91 set(dyld_envar "DYLD_LIBRARY_PATH=${DYLD_LIBRARY_PATH}")
92 foreach(lang ${languages})
93 foreach(cmd ${CMAKE_${lang}_CREATE_STATIC_LIBRARY})
94 list(APPEND CMAKE_${lang}_CREATE_STATIC_LIBRARY_NEW
95 "${dyld_envar} ${cmd}")
97 set(CMAKE_${lang}_CREATE_STATIC_LIBRARY
98 ${CMAKE_${lang}_CREATE_STATIC_LIBRARY_NEW})
103 # Side-by-side subprojects layout: automatically set the
104 # LLVM_EXTERNAL_${project}_SOURCE_DIR using LLVM_ALL_PROJECTS
105 # This allows an easy way of setting up a build directory for llvm and another
106 # one for llvm+clang+... using the same sources.
107 set(LLVM_ALL_PROJECTS "clang;clang-tools-extra;compiler-rt;debuginfo-tests;libclc;libcxx;libcxxabi;libunwind;lld;lldb;llgo;openmp;parallel-libs;polly;pstl")
108 set(LLVM_ENABLE_PROJECTS "" CACHE STRING
109 "Semicolon-separated list of projects to build (${LLVM_ALL_PROJECTS}), or \"all\".")
110 if( LLVM_ENABLE_PROJECTS STREQUAL "all" )
111 set( LLVM_ENABLE_PROJECTS ${LLVM_ALL_PROJECTS})
114 # LLVM_ENABLE_PROJECTS_USED is `ON` if the user has ever used the
115 # `LLVM_ENABLE_PROJECTS` CMake cache variable. This exists for
118 # * As an indicator that the `LLVM_ENABLE_PROJECTS` list is now the single
119 # source of truth for which projects to build. This means we will ignore user
120 # supplied `LLVM_TOOL_<project>_BUILD` CMake cache variables and overwrite
123 # * The case where the user previously had `LLVM_ENABLE_PROJECTS` set to a
124 # non-empty list but now the user wishes to disable building all other projects
125 # by setting `LLVM_ENABLE_PROJECTS` to an empty string. In that case we still
126 # need to set the `LLVM_TOOL_${upper_proj}_BUILD` variables so that we disable
127 # building all the projects that were previously enabled.
128 set(LLVM_ENABLE_PROJECTS_USED OFF CACHE BOOL "")
129 mark_as_advanced(LLVM_ENABLE_PROJECTS_USED)
131 if (LLVM_ENABLE_PROJECTS_USED OR NOT LLVM_ENABLE_PROJECTS STREQUAL "")
132 set(LLVM_ENABLE_PROJECTS_USED ON CACHE BOOL "" FORCE)
133 foreach(proj ${LLVM_ALL_PROJECTS} ${LLVM_EXTERNAL_PROJECTS})
134 string(TOUPPER "${proj}" upper_proj)
135 string(REGEX REPLACE "-" "_" upper_proj ${upper_proj})
136 if ("${proj}" IN_LIST LLVM_ENABLE_PROJECTS)
137 message(STATUS "${proj} project is enabled")
138 set(SHOULD_ENABLE_PROJECT TRUE)
139 set(PROJ_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../${proj}")
140 if(NOT EXISTS "${PROJ_DIR}" OR NOT IS_DIRECTORY "${PROJ_DIR}")
141 message(FATAL_ERROR "LLVM_ENABLE_PROJECTS requests ${proj} but directory not found: ${PROJ_DIR}")
143 set(LLVM_EXTERNAL_${upper_proj}_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../${proj}" CACHE STRING "")
145 message(STATUS "${proj} project is disabled")
146 set(SHOULD_ENABLE_PROJECT FALSE)
148 # Force `LLVM_TOOL_${upper_proj}_BUILD` variables to have values that
149 # corresponds with `LLVM_ENABLE_PROJECTS`. This prevents the user setting
150 # `LLVM_TOOL_${upper_proj}_BUILD` variables externally. At some point
151 # we should deprecate allowing users to set these variables by turning them
152 # into normal CMake variables rather than cache variables.
153 set(LLVM_TOOL_${upper_proj}_BUILD
154 ${SHOULD_ENABLE_PROJECT}
156 BOOL "Whether to build ${upper_proj} as part of LLVM" FORCE
160 unset(SHOULD_ENABLE_PROJECT)
162 # Build llvm with ccache if the package is present
163 set(LLVM_CCACHE_BUILD OFF CACHE BOOL "Set to ON for a ccache enabled build")
164 if(LLVM_CCACHE_BUILD)
165 find_program(CCACHE_PROGRAM ccache)
167 set(LLVM_CCACHE_MAXSIZE "" CACHE STRING "Size of ccache")
168 set(LLVM_CCACHE_DIR "" CACHE STRING "Directory to keep ccached data")
169 set(LLVM_CCACHE_PARAMS "CCACHE_CPP2=yes CCACHE_HASHDIR=yes"
170 CACHE STRING "Parameters to pass through to ccache")
172 set(CCACHE_PROGRAM "${LLVM_CCACHE_PARAMS} ${CCACHE_PROGRAM}")
173 if (LLVM_CCACHE_MAXSIZE)
174 set(CCACHE_PROGRAM "CCACHE_MAXSIZE=${LLVM_CCACHE_MAXSIZE} ${CCACHE_PROGRAM}")
177 set(CCACHE_PROGRAM "CCACHE_DIR=${LLVM_CCACHE_DIR} ${CCACHE_PROGRAM}")
179 set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ${CCACHE_PROGRAM})
181 message(FATAL_ERROR "Unable to find the program ccache. Set LLVM_CCACHE_BUILD to OFF")
185 option(LLVM_DEPENDENCY_DEBUGGING "Dependency debugging mode to verify correctly expressed library dependencies (Darwin only)" OFF)
187 # Some features of the LLVM build may be disallowed when dependency debugging is
188 # enabled. In particular you cannot use ccache because we want to force compile
189 # operations to always happen.
190 if(LLVM_DEPENDENCY_DEBUGGING)
191 if(NOT CMAKE_HOST_APPLE)
192 message(FATAL_ERROR "Dependency debugging is only currently supported on Darwin hosts.")
194 if(LLVM_CCACHE_BUILD)
195 message(FATAL_ERROR "Cannot enable dependency debugging while using ccache.")
199 option(LLVM_ENABLE_DAGISEL_COV "Debug: Prints tablegen patterns that were used for selecting" OFF)
200 option(LLVM_ENABLE_GISEL_COV "Enable collection of GlobalISel rule coverage" OFF)
201 if(LLVM_ENABLE_GISEL_COV)
202 set(LLVM_GISEL_COV_PREFIX "${CMAKE_BINARY_DIR}/gisel-coverage-" CACHE STRING "Provide a filename prefix to collect the GlobalISel rule coverage")
205 # Add path for custom modules
206 set(CMAKE_MODULE_PATH
208 "${CMAKE_CURRENT_SOURCE_DIR}/cmake"
209 "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules"
212 # Generate a CompilationDatabase (compile_commands.json file) for our build,
213 # for use by clang_complete, YouCompleteMe, etc.
214 set(CMAKE_EXPORT_COMPILE_COMMANDS 1)
216 option(LLVM_INSTALL_BINUTILS_SYMLINKS
217 "Install symlinks from the binutils tool names to the corresponding LLVM tools." OFF)
219 option(LLVM_INSTALL_UTILS "Include utility binaries in the 'install' target." OFF)
221 option(LLVM_INSTALL_TOOLCHAIN_ONLY "Only include toolchain files in the 'install' target." OFF)
223 # Unfortunatly Clang is too eager to search directories for module maps, which can cause the
224 # installed version of the maps to be found when building LLVM from source. Therefore we turn off
225 # the installation by default. See llvm.org/PR31905.
226 option(LLVM_INSTALL_MODULEMAPS "Install the modulemap files in the 'install' target." OFF)
228 option(LLVM_USE_FOLDERS "Enable solution folders in Visual Studio. Disable for Express versions." ON)
229 if ( LLVM_USE_FOLDERS )
230 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
233 include(VersionFromVCS)
235 option(LLVM_APPEND_VC_REV
236 "Embed the version control system revision in LLVM" ON)
238 set(PACKAGE_NAME LLVM)
239 set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
240 set(PACKAGE_BUGREPORT "https://bugs.llvm.org/")
242 set(BUG_REPORT_URL "${PACKAGE_BUGREPORT}" CACHE STRING
243 "Default URL where bug reports are to be submitted.")
246 set(CPACK_PACKAGE_INSTALL_DIRECTORY "LLVM")
247 set(CPACK_PACKAGE_VENDOR "LLVM")
248 set(CPACK_PACKAGE_VERSION_MAJOR ${LLVM_VERSION_MAJOR})
249 set(CPACK_PACKAGE_VERSION_MINOR ${LLVM_VERSION_MINOR})
250 set(CPACK_PACKAGE_VERSION_PATCH ${LLVM_VERSION_PATCH})
251 set(CPACK_PACKAGE_VERSION ${PACKAGE_VERSION})
252 set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE.TXT")
253 set(CPACK_NSIS_COMPRESSOR "/SOLID lzma \r\n SetCompressorDictSize 32")
254 if(WIN32 AND NOT UNIX)
255 set(CPACK_PACKAGE_INSTALL_REGISTRY_KEY "LLVM")
256 set(CPACK_PACKAGE_ICON "${CMAKE_CURRENT_SOURCE_DIR}\\\\cmake\\\\nsis_logo.bmp")
257 set(CPACK_NSIS_MUI_ICON "${CMAKE_CURRENT_SOURCE_DIR}\\\\cmake\\\\nsis_icon.ico")
258 set(CPACK_NSIS_MUI_UNIICON "${CMAKE_CURRENT_SOURCE_DIR}\\\\cmake\\\\nsis_icon.ico")
259 set(CPACK_NSIS_MODIFY_PATH "ON")
260 set(CPACK_NSIS_ENABLE_UNINSTALL_BEFORE_INSTALL "ON")
262 set(CPACK_NSIS_INSTALL_ROOT "$PROGRAMFILES64")
267 # Sanity check our source directory to make sure that we are not trying to
268 # generate an in-source build (unless on MSVC_IDE, where it is ok), and to make
269 # sure that we don't have any stray generated files lying around in the tree
270 # (which would end up getting picked up by header search, instead of the correct
272 if( CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR AND NOT MSVC_IDE )
273 message(FATAL_ERROR "In-source builds are not allowed.
274 Please create a directory and run cmake from there, passing the path
275 to this source directory as the last argument.
276 This process created the file `CMakeCache.txt' and the directory `CMakeFiles'.
277 Please delete them.")
280 string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE)
282 if (CMAKE_BUILD_TYPE AND
283 NOT uppercase_CMAKE_BUILD_TYPE MATCHES "^(DEBUG|RELEASE|RELWITHDEBINFO|MINSIZEREL)$")
284 message(FATAL_ERROR "Invalid value for CMAKE_BUILD_TYPE: ${CMAKE_BUILD_TYPE}")
287 set(LLVM_LIBDIR_SUFFIX "" CACHE STRING "Define suffix of library directory name (32/64)" )
289 set(LLVM_TOOLS_INSTALL_DIR "bin" CACHE STRING "Path for binary subdirectory (defaults to 'bin')")
290 mark_as_advanced(LLVM_TOOLS_INSTALL_DIR)
292 set(LLVM_UTILS_INSTALL_DIR "${LLVM_TOOLS_INSTALL_DIR}" CACHE STRING
293 "Path to install LLVM utilities (enabled by LLVM_INSTALL_UTILS=ON) (defaults to LLVM_TOOLS_INSTALL_DIR)")
294 mark_as_advanced(LLVM_UTILS_INSTALL_DIR)
296 # They are used as destination of target generators.
297 set(LLVM_RUNTIME_OUTPUT_INTDIR ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/bin)
298 set(LLVM_LIBRARY_OUTPUT_INTDIR ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib${LLVM_LIBDIR_SUFFIX})
300 # DLL platform -- put DLLs into bin.
301 set(LLVM_SHLIB_OUTPUT_INTDIR ${LLVM_RUNTIME_OUTPUT_INTDIR})
303 set(LLVM_SHLIB_OUTPUT_INTDIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
306 # Each of them corresponds to llvm-config's.
307 set(LLVM_TOOLS_BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR}) # --bindir
308 set(LLVM_LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}) # --libdir
309 set(LLVM_MAIN_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR} ) # --src-root
310 set(LLVM_MAIN_INCLUDE_DIR ${LLVM_MAIN_SRC_DIR}/include ) # --includedir
311 set(LLVM_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR} ) # --prefix
313 # Note: LLVM_CMAKE_PATH does not include generated files
314 set(LLVM_CMAKE_PATH ${LLVM_MAIN_SRC_DIR}/cmake/modules)
315 set(LLVM_EXAMPLES_BINARY_DIR ${LLVM_BINARY_DIR}/examples)
316 set(LLVM_INCLUDE_DIR ${CMAKE_CURRENT_BINARY_DIR}/include)
318 # List of all targets to be built by default:
337 # List of targets with JIT support:
338 set(LLVM_TARGETS_WITH_JIT X86 PowerPC AArch64 ARM Mips SystemZ)
340 set(LLVM_TARGETS_TO_BUILD "all"
341 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
343 set(LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ""
344 CACHE STRING "Semicolon-separated list of experimental targets to build.")
346 option(BUILD_SHARED_LIBS
347 "Build all libraries as shared libraries instead of static" OFF)
349 option(LLVM_ENABLE_BACKTRACES "Enable embedding backtraces on crash." ON)
350 if(LLVM_ENABLE_BACKTRACES)
351 set(ENABLE_BACKTRACES 1)
354 option(LLVM_ENABLE_CRASH_OVERRIDES "Enable crash overrides." ON)
355 if(LLVM_ENABLE_CRASH_OVERRIDES)
356 set(ENABLE_CRASH_OVERRIDES 1)
359 option(LLVM_ENABLE_CRASH_DUMPS "Turn on memory dumps on crashes. Currently only implemented on Windows." OFF)
361 option(LLVM_ENABLE_FFI "Use libffi to call external functions from the interpreter" OFF)
362 set(FFI_LIBRARY_DIR "" CACHE PATH "Additional directory, where CMake should search for libffi.so")
363 set(FFI_INCLUDE_DIR "" CACHE PATH "Additional directory, where CMake should search for ffi.h or ffi/ffi.h")
365 set(LLVM_TARGET_ARCH "host"
366 CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.")
368 option(LLVM_ENABLE_TERMINFO "Use terminfo database if available." ON)
370 set(LLVM_ENABLE_LIBXML2 "ON" CACHE STRING "Use libxml2 if available. Can be ON, OFF, or FORCE_ON")
372 option(LLVM_ENABLE_LIBEDIT "Use libedit if available." ON)
374 option(LLVM_ENABLE_LIBPFM "Use libpfm for performance counters if available." ON)
376 option(LLVM_ENABLE_THREADS "Use threads if available." ON)
378 option(LLVM_ENABLE_ZLIB "Use zlib for compression/decompression if available." ON)
380 set(LLVM_Z3_INSTALL_DIR "" CACHE STRING "Install directory of the Z3 solver.")
382 find_package(Z3 4.7.1)
384 if (LLVM_Z3_INSTALL_DIR)
386 message(FATAL_ERROR "Z3 >= 4.7.1 has not been found in LLVM_Z3_INSTALL_DIR: ${LLVM_Z3_INSTALL_DIR}.")
390 set(LLVM_ENABLE_Z3_SOLVER_DEFAULT "${Z3_FOUND}")
392 option(LLVM_ENABLE_Z3_SOLVER
393 "Enable Support for the Z3 constraint solver in LLVM."
394 ${LLVM_ENABLE_Z3_SOLVER_DEFAULT}
397 if (LLVM_ENABLE_Z3_SOLVER)
399 message(FATAL_ERROR "LLVM_ENABLE_Z3_SOLVER cannot be enabled when Z3 is not available.")
405 if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
406 set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
409 set(LLVM_TARGETS_TO_BUILD
410 ${LLVM_TARGETS_TO_BUILD}
411 ${LLVM_EXPERIMENTAL_TARGETS_TO_BUILD})
412 list(REMOVE_DUPLICATES LLVM_TARGETS_TO_BUILD)
414 option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON)
415 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON)
416 option(LLVM_ENABLE_MODULES "Compile with C++ modules enabled." OFF)
417 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
418 option(LLVM_ENABLE_MODULE_DEBUGGING "Compile with -gmodules." ON)
419 option(LLVM_ENABLE_LOCAL_SUBMODULE_VISIBILITY "Compile with -fmodules-local-submodule-visibility." OFF)
421 option(LLVM_ENABLE_MODULE_DEBUGGING "Compile with -gmodules." OFF)
422 option(LLVM_ENABLE_LOCAL_SUBMODULE_VISIBILITY "Compile with -fmodules-local-submodule-visibility." ON)
424 option(LLVM_ENABLE_LIBCXX "Use libc++ if available." OFF)
425 option(LLVM_ENABLE_LLD "Use lld as C and C++ linker." OFF)
426 option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
427 option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
429 set(LLVM_CXX_STD_default "c++11")
430 # Preserve behaviour of legacy cache variables
431 if (LLVM_ENABLE_CXX1Y)
432 set(LLVM_CXX_STD_default "c++1y")
433 elseif (LLVM_ENABLE_CXX1Z)
434 set(LLVM_CXX_STD_default "c++1z")
436 set(LLVM_CXX_STD ${LLVM_CXX_STD_default}
437 CACHE STRING "C++ standard to use for compilation.")
439 option(LLVM_ENABLE_DUMP "Enable dump functions even when assertions are disabled" OFF)
441 if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG" )
442 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
444 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
447 option(LLVM_ENABLE_EXPENSIVE_CHECKS "Enable expensive checks" OFF)
449 set(LLVM_ABI_BREAKING_CHECKS "WITH_ASSERTS" CACHE STRING
450 "Enable abi-breaking checks. Can be WITH_ASSERTS, FORCE_ON or FORCE_OFF.")
452 option(LLVM_FORCE_USE_OLD_TOOLCHAIN
453 "Set to ON to force using an old, unsupported host toolchain." OFF)
455 option(LLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN
456 "Set to ON to only warn when using a toolchain which is about to be deprecated, instead of emitting an error." OFF)
458 option(LLVM_USE_INTEL_JITEVENTS
459 "Use Intel JIT API to inform Intel(R) VTune(TM) Amplifier XE 2011 about JIT code"
462 if( LLVM_USE_INTEL_JITEVENTS )
463 # Verify we are on a supported platform
464 if( NOT CMAKE_SYSTEM_NAME MATCHES "Windows" AND NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
466 "Intel JIT API support is available on Linux and Windows only.")
468 endif( LLVM_USE_INTEL_JITEVENTS )
470 option(LLVM_USE_OPROFILE
471 "Use opagent JIT interface to inform OProfile about JIT code" OFF)
473 option(LLVM_EXTERNALIZE_DEBUGINFO
474 "Generate dSYM files and strip executables and libraries (Darwin Only)" OFF)
476 set(LLVM_CODESIGNING_IDENTITY "" CACHE STRING
477 "Sign executables and dylibs with the given identity or skip if empty (Darwin Only)")
479 # If enabled, verify we are on a platform that supports oprofile.
480 if( LLVM_USE_OPROFILE )
481 if( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
482 message(FATAL_ERROR "OProfile support is available on Linux only.")
483 endif( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
484 endif( LLVM_USE_OPROFILE )
487 "Use perf JIT interface to inform perf about JIT code" OFF)
489 # If enabled, verify we are on a platform that supports perf.
491 if( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
492 message(FATAL_ERROR "perf support is available on Linux only.")
493 endif( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
494 endif( LLVM_USE_PERF )
496 set(LLVM_USE_SANITIZER "" CACHE STRING
497 "Define the sanitizer used to build binaries and tests.")
498 option(LLVM_OPTIMIZE_SANITIZED_BUILDS "Pass -O1 on debug sanitizer builds" ON)
499 set(LLVM_LIB_FUZZING_ENGINE "" CACHE PATH
500 "Path to fuzzing library for linking with fuzz targets")
502 option(LLVM_USE_SPLIT_DWARF
503 "Use -gsplit-dwarf when compiling llvm." OFF)
505 option(LLVM_POLLY_LINK_INTO_TOOLS "Statically link Polly into tools (if available)" ON)
506 option(LLVM_POLLY_BUILD "Build LLVM with Polly" ON)
508 if (EXISTS ${LLVM_MAIN_SRC_DIR}/tools/polly/CMakeLists.txt)
509 set(POLLY_IN_TREE TRUE)
510 elseif(LLVM_EXTERNAL_POLLY_SOURCE_DIR)
511 set(POLLY_IN_TREE TRUE)
513 set(POLLY_IN_TREE FALSE)
516 if (LLVM_POLLY_BUILD AND POLLY_IN_TREE)
522 if (LLVM_POLLY_LINK_INTO_TOOLS AND WITH_POLLY)
523 set(LINK_POLLY_INTO_TOOLS ON)
525 set(LINK_POLLY_INTO_TOOLS OFF)
528 # Define an option controlling whether we should build for 32-bit on 64-bit
529 # platforms, where supported.
530 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
531 # TODO: support other platforms and toolchains.
532 option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
535 # Define the default arguments to use with 'lit', and an option for the user to
537 set(LIT_ARGS_DEFAULT "-sv")
538 if (MSVC_IDE OR XCODE)
539 set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
541 set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit")
543 # On Win32 hosts, provide an option to specify the path to the GnuWin32 tools.
544 if( WIN32 AND NOT CYGWIN )
545 set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools")
548 # Define options to control the inclusion and default build behavior for
549 # components which may not strictly be necessary (tools, examples, and tests).
551 # This is primarily to support building smaller or faster project files.
552 option(LLVM_INCLUDE_TOOLS "Generate build targets for the LLVM tools." ON)
553 option(LLVM_BUILD_TOOLS
554 "Build the LLVM tools. If OFF, just generate build targets." ON)
556 option(LLVM_INCLUDE_UTILS "Generate build targets for the LLVM utils." ON)
557 option(LLVM_BUILD_UTILS
558 "Build LLVM utility binaries. If OFF, just generate build targets." ON)
560 option(LLVM_INCLUDE_RUNTIMES "Generate build targets for the LLVM runtimes." ON)
561 option(LLVM_BUILD_RUNTIMES
562 "Build the LLVM runtimes. If OFF, just generate build targets." ON)
564 option(LLVM_BUILD_RUNTIME
565 "Build the LLVM runtime libraries." ON)
566 option(LLVM_BUILD_EXAMPLES
567 "Build the LLVM example programs. If OFF, just generate build targets." OFF)
568 option(LLVM_INCLUDE_EXAMPLES "Generate build targets for the LLVM examples" ON)
570 option(LLVM_BUILD_TESTS
571 "Build LLVM unit tests. If OFF, just generate build targets." OFF)
572 option(LLVM_INCLUDE_TESTS "Generate build targets for the LLVM unit tests." ON)
573 option(LLVM_INCLUDE_GO_TESTS "Include the Go bindings tests in test build targets." ON)
575 option(LLVM_BUILD_BENCHMARKS "Add LLVM benchmark targets to the list of default
576 targets. If OFF, benchmarks still could be built using Benchmarks target." OFF)
577 option(LLVM_INCLUDE_BENCHMARKS "Generate benchmark targets. If OFF, benchmarks can't be built." ON)
579 option (LLVM_BUILD_DOCS "Build the llvm documentation." OFF)
580 option (LLVM_INCLUDE_DOCS "Generate build targets for llvm documentation." ON)
581 option (LLVM_ENABLE_DOXYGEN "Use doxygen to generate llvm API documentation." OFF)
582 option (LLVM_ENABLE_SPHINX "Use Sphinx to generate llvm documentation." OFF)
583 option (LLVM_ENABLE_OCAMLDOC "Build OCaml bindings documentation." ON)
584 option (LLVM_ENABLE_BINDINGS "Build bindings." ON)
586 set(LLVM_INSTALL_DOXYGEN_HTML_DIR "share/doc/llvm/doxygen-html"
587 CACHE STRING "Doxygen-generated HTML documentation install directory")
588 set(LLVM_INSTALL_OCAMLDOC_HTML_DIR "share/doc/llvm/ocaml-html"
589 CACHE STRING "OCamldoc-generated HTML documentation install directory")
591 option (LLVM_BUILD_EXTERNAL_COMPILER_RT
592 "Build compiler-rt as an external project." OFF)
594 option (LLVM_VERSION_PRINTER_SHOW_HOST_TARGET_INFO
595 "Show target and host info when tools are invoked with --version." ON)
597 # You can configure which libraries from LLVM you want to include in the
598 # shared library by setting LLVM_DYLIB_COMPONENTS to a semi-colon delimited
599 # list of LLVM components. All component names handled by llvm-config are valid.
600 if(NOT DEFINED LLVM_DYLIB_COMPONENTS)
601 set(LLVM_DYLIB_COMPONENTS "all" CACHE STRING
602 "Semicolon-separated list of components to include in libLLVM, or \"all\".")
604 option(LLVM_LINK_LLVM_DYLIB "Link tools against the libllvm dynamic library" OFF)
606 option(LLVM_BUILD_LLVM_C_DYLIB "Build LLVM-C.dll (Windows only)" ON)
608 option(LLVM_BUILD_LLVM_C_DYLIB "Build libllvm-c re-export library (Darwin only)" OFF)
610 set(LLVM_BUILD_LLVM_DYLIB_default OFF)
611 if(LLVM_LINK_LLVM_DYLIB OR (LLVM_BUILD_LLVM_C_DYLIB AND NOT MSVC))
612 set(LLVM_BUILD_LLVM_DYLIB_default ON)
614 option(LLVM_BUILD_LLVM_DYLIB "Build libllvm dynamic library" ${LLVM_BUILD_LLVM_DYLIB_default})
616 option(LLVM_OPTIMIZED_TABLEGEN "Force TableGen to be built with optimization" OFF)
617 if(CMAKE_CROSSCOMPILING OR (LLVM_OPTIMIZED_TABLEGEN AND (LLVM_ENABLE_ASSERTIONS OR CMAKE_CONFIGURATION_TYPES)))
618 set(LLVM_USE_HOST_TOOLS ON)
621 if (MSVC_IDE AND NOT (MSVC_VERSION LESS 1900))
622 option(LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION "Configure project to use Visual Studio native visualizers" TRUE)
624 set(LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION FALSE CACHE INTERNAL "For Visual Studio 2013, manually copy natvis files to Documents\\Visual Studio 2013\\Visualizers" FORCE)
627 if (LLVM_BUILD_INSTRUMENTED OR LLVM_BUILD_INSTRUMENTED_COVERAGE OR
629 if(NOT LLVM_PROFILE_MERGE_POOL_SIZE)
630 # A pool size of 1-2 is probably sufficient on a SSD. 3-4 should be fine
631 # for spining disks. Anything higher may only help on slower mediums.
632 set(LLVM_PROFILE_MERGE_POOL_SIZE "4")
634 if(NOT LLVM_PROFILE_FILE_PATTERN)
635 if(NOT LLVM_PROFILE_DATA_DIR)
636 file(TO_NATIVE_PATH "${LLVM_BINARY_DIR}/profiles" LLVM_PROFILE_DATA_DIR)
638 file(TO_NATIVE_PATH "${LLVM_PROFILE_DATA_DIR}/%${LLVM_PROFILE_MERGE_POOL_SIZE}m.profraw" LLVM_PROFILE_FILE_PATTERN)
640 if(NOT LLVM_CSPROFILE_FILE_PATTERN)
641 if(NOT LLVM_CSPROFILE_DATA_DIR)
642 file(TO_NATIVE_PATH "${LLVM_BINARY_DIR}/csprofiles" LLVM_CSPROFILE_DATA_DIR)
644 file(TO_NATIVE_PATH "${LLVM_CSPROFILE_DATA_DIR}/%${LLVM_PROFILE_MERGE_POOL_SIZE}m.profraw" LLVM_CSPROFILE_FILE_PATTERN)
648 if (LLVM_BUILD_STATIC)
649 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static")
652 # Override the default target with an environment variable named by LLVM_TARGET_TRIPLE_ENV.
653 set(LLVM_TARGET_TRIPLE_ENV CACHE STRING "The name of environment variable to override default target. Disabled by blank.")
654 mark_as_advanced(LLVM_TARGET_TRIPLE_ENV)
656 set(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR OFF CACHE BOOL
657 "Enable per-target runtimes directory")
659 # All options referred to from HandleLLVMOptions have to be specified
660 # BEFORE this include, otherwise options will not be correctly set on
664 string(REPLACE "Native" ${LLVM_NATIVE_ARCH}
665 LLVM_TARGETS_TO_BUILD "${LLVM_TARGETS_TO_BUILD}")
666 list(REMOVE_DUPLICATES LLVM_TARGETS_TO_BUILD)
668 # By default, we target the host, but this can be overridden at CMake
670 set(LLVM_DEFAULT_TARGET_TRIPLE "${LLVM_HOST_TRIPLE}" CACHE STRING
671 "Default target for which LLVM will generate code." )
672 set(TARGET_TRIPLE "${LLVM_DEFAULT_TARGET_TRIPLE}")
673 message(STATUS "LLVM host triple: ${LLVM_HOST_TRIPLE}")
674 message(STATUS "LLVM default target triple: ${LLVM_DEFAULT_TARGET_TRIPLE}")
676 include(HandleLLVMOptions)
678 # Verify that we can find a Python 2 interpreter. Python 3 is unsupported.
679 # FIXME: We should support systems with only Python 3, but that requires work
681 set(Python_ADDITIONAL_VERSIONS 2.7)
682 include(FindPythonInterp)
683 if( NOT PYTHONINTERP_FOUND )
685 "Unable to find Python interpreter, required for builds and testing.
687 Please install Python or specify the PYTHON_EXECUTABLE CMake variable.")
690 if( ${PYTHON_VERSION_STRING} VERSION_LESS 2.7 )
691 message(FATAL_ERROR "Python 2.7 or newer is required")
695 # LLVMBuild Integration
697 # We use llvm-build to generate all the data required by the CMake based
698 # build system in one swoop:
700 # - We generate a file (a CMake fragment) in the object root which contains
701 # all the definitions that are required by CMake.
703 # - We generate the library table used by llvm-config.
705 # - We generate the dependencies for the CMake fragment, so that we will
706 # automatically reconfigure ourselves.
708 set(LLVMBUILDTOOL "${LLVM_MAIN_SRC_DIR}/utils/llvm-build/llvm-build")
709 set(LLVMCONFIGLIBRARYDEPENDENCIESINC
710 "${LLVM_BINARY_DIR}/tools/llvm-config/LibraryDependencies.inc")
711 set(LLVMBUILDCMAKEFRAG
712 "${LLVM_BINARY_DIR}/LLVMBuild.cmake")
714 # Create the list of optional components that are enabled
715 if (LLVM_USE_INTEL_JITEVENTS)
716 set(LLVMOPTIONALCOMPONENTS IntelJITEvents)
717 endif (LLVM_USE_INTEL_JITEVENTS)
718 if (LLVM_USE_OPROFILE)
719 set(LLVMOPTIONALCOMPONENTS ${LLVMOPTIONALCOMPONENTS} OProfileJIT)
720 endif (LLVM_USE_OPROFILE)
722 set(LLVMOPTIONALCOMPONENTS ${LLVMOPTIONALCOMPONENTS} PerfJITEvents)
723 endif (LLVM_USE_PERF)
725 message(STATUS "Constructing LLVMBuild project information")
727 COMMAND ${PYTHON_EXECUTABLE} -B ${LLVMBUILDTOOL}
728 --native-target "${LLVM_NATIVE_ARCH}"
729 --enable-targets "${LLVM_TARGETS_TO_BUILD}"
730 --enable-optional-components "${LLVMOPTIONALCOMPONENTS}"
731 --write-library-table ${LLVMCONFIGLIBRARYDEPENDENCIESINC}
732 --write-cmake-fragment ${LLVMBUILDCMAKEFRAG}
733 OUTPUT_VARIABLE LLVMBUILDOUTPUT
734 ERROR_VARIABLE LLVMBUILDERRORS
735 OUTPUT_STRIP_TRAILING_WHITESPACE
736 ERROR_STRIP_TRAILING_WHITESPACE
737 RESULT_VARIABLE LLVMBUILDRESULT)
739 # On Win32, CMake doesn't properly handle piping the default output/error
740 # streams into the GUI console. So, we explicitly catch and report them.
741 if( NOT "${LLVMBUILDOUTPUT}" STREQUAL "")
742 message(STATUS "llvm-build output: ${LLVMBUILDOUTPUT}")
744 if( NOT "${LLVMBUILDRESULT}" STREQUAL "0" )
746 "Unexpected failure executing llvm-build: ${LLVMBUILDERRORS}")
749 # Include the generated CMake fragment. This will define properties from the
750 # LLVMBuild files in a format which is easy to consume from CMake, and will add
751 # the dependencies so that CMake will reconfigure properly when the LLVMBuild
753 include(${LLVMBUILDCMAKEFRAG})
757 # Configure all of the various header file fragments LLVM uses which depend on
758 # configuration variables.
759 set(LLVM_ENUM_TARGETS "")
760 set(LLVM_ENUM_ASM_PRINTERS "")
761 set(LLVM_ENUM_ASM_PARSERS "")
762 set(LLVM_ENUM_DISASSEMBLERS "")
763 foreach(t ${LLVM_TARGETS_TO_BUILD})
764 set( td ${LLVM_MAIN_SRC_DIR}/lib/Target/${t} )
766 list(FIND LLVM_ALL_TARGETS ${t} idx)
767 list(FIND LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ${t} idy)
768 # At this point, LLVMBUILDTOOL already checked all the targets passed in
769 # LLVM_TARGETS_TO_BUILD and LLVM_EXPERIMENTAL_TARGETS_TO_BUILD, so
770 # this test just makes sure that any experimental targets were passed via
771 # LLVM_EXPERIMENTAL_TARGETS_TO_BUILD, not LLVM_TARGETS_TO_BUILD.
772 if( idx LESS 0 AND idy LESS 0 )
773 message(FATAL_ERROR "The target `${t}' is experimental and must be passed "
774 "via LLVM_EXPERIMENTAL_TARGETS_TO_BUILD.")
776 set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${t})\n")
779 file(GLOB asmp_file "${td}/*AsmPrinter.cpp")
781 set(LLVM_ENUM_ASM_PRINTERS
782 "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n")
784 if( EXISTS ${td}/AsmParser/CMakeLists.txt )
785 set(LLVM_ENUM_ASM_PARSERS
786 "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n")
788 if( EXISTS ${td}/Disassembler/CMakeLists.txt )
789 set(LLVM_ENUM_DISASSEMBLERS
790 "${LLVM_ENUM_DISASSEMBLERS}LLVM_DISASSEMBLER(${t})\n")
794 # Produce the target definition files, which provide a way for clients to easily
795 # include various classes of targets.
797 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in
798 ${LLVM_INCLUDE_DIR}/llvm/Config/AsmPrinters.def
801 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in
802 ${LLVM_INCLUDE_DIR}/llvm/Config/AsmParsers.def
805 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Disassemblers.def.in
806 ${LLVM_INCLUDE_DIR}/llvm/Config/Disassemblers.def
809 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in
810 ${LLVM_INCLUDE_DIR}/llvm/Config/Targets.def
813 # Configure the three LLVM configuration header files.
815 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/config.h.cmake
816 ${LLVM_INCLUDE_DIR}/llvm/Config/config.h)
818 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/llvm-config.h.cmake
819 ${LLVM_INCLUDE_DIR}/llvm/Config/llvm-config.h)
821 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/abi-breaking.h.cmake
822 ${LLVM_INCLUDE_DIR}/llvm/Config/abi-breaking.h)
824 # Add target for generating source rpm package.
825 set(LLVM_SRPM_USER_BINARY_SPECFILE ${CMAKE_CURRENT_SOURCE_DIR}/llvm.spec.in
826 CACHE FILEPATH ".spec file to use for srpm generation")
827 set(LLVM_SRPM_BINARY_SPECFILE ${CMAKE_CURRENT_BINARY_DIR}/llvm.spec)
828 set(LLVM_SRPM_DIR "${CMAKE_CURRENT_BINARY_DIR}/srpm")
830 get_source_info(${CMAKE_CURRENT_SOURCE_DIR} revision repository)
831 string(LENGTH "${revision}" revision_length)
832 if(revision MATCHES "^[0-9]+$" AND revision_length LESS 40)
833 set(LLVM_RPM_SPEC_REVISION "r${revision}")
835 set(LLVM_RPM_SPEC_REVISION "${revision}")
839 ${LLVM_SRPM_USER_BINARY_SPECFILE}
840 ${LLVM_SRPM_BINARY_SPECFILE} @ONLY)
842 add_custom_target(srpm
843 COMMAND cpack -G TGZ --config CPackSourceConfig.cmake -B ${LLVM_SRPM_DIR}/SOURCES
844 COMMAND rpmbuild -bs --define '_topdir ${LLVM_SRPM_DIR}' ${LLVM_SRPM_BINARY_SPECFILE})
845 set_target_properties(srpm PROPERTIES FOLDER "Misc")
848 # They are not referenced. See set_output_directory().
849 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/bin )
850 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} )
851 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} )
853 if(APPLE AND DARWIN_LTO_LIBRARY)
854 set(CMAKE_EXE_LINKER_FLAGS
855 "${CMAKE_EXE_LINKER_FLAGS} -Wl,-lto_library -Wl,${DARWIN_LTO_LIBRARY}")
856 set(CMAKE_SHARED_LINKER_FLAGS
857 "${CMAKE_SHARED_LINKER_FLAGS} -Wl,-lto_library -Wl,${DARWIN_LTO_LIBRARY}")
858 set(CMAKE_MODULE_LINKER_FLAGS
859 "${CMAKE_MODULE_LINKER_FLAGS} -Wl,-lto_library -Wl,${DARWIN_LTO_LIBRARY}")
862 # Work around a broken bfd ld behavior. When linking a binary with a
863 # foo.so library, it will try to find any library that foo.so uses and
864 # check its symbols. This is wasteful (the check was done when foo.so
865 # was created) and can fail since it is not the dynamic linker and
866 # doesn't know how to handle search paths correctly.
867 if (UNIX AND NOT APPLE AND NOT ${CMAKE_SYSTEM_NAME} MATCHES "SunOS|AIX")
868 set(CMAKE_EXE_LINKER_FLAGS
869 "${CMAKE_EXE_LINKER_FLAGS} -Wl,-allow-shlib-undefined")
872 set(CMAKE_INCLUDE_CURRENT_DIR ON)
874 include_directories( ${LLVM_INCLUDE_DIR} ${LLVM_MAIN_INCLUDE_DIR})
876 # when crosscompiling import the executable targets from a file
877 if(LLVM_USE_HOST_TOOLS)
878 include(CrossCompile)
879 endif(LLVM_USE_HOST_TOOLS)
880 if(LLVM_TARGET_IS_CROSSCOMPILE_HOST)
881 # Dummy use to avoid CMake Warning: Manually-specified variables were not used
882 # (this is a variable that CrossCompile sets on recursive invocations)
885 if(${CMAKE_SYSTEM_NAME} MATCHES "(FreeBSD|DragonFly)")
886 # On FreeBSD, /usr/local/* is not used by default. In order to build LLVM
887 # with libxml2, iconv.h, etc., we must add /usr/local paths.
888 include_directories(SYSTEM "/usr/local/include")
889 link_directories("/usr/local/lib")
890 endif(${CMAKE_SYSTEM_NAME} MATCHES "(FreeBSD|DragonFly)")
892 if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
893 # special hack for Solaris to handle crazy system sys/regset.h
894 include_directories("${LLVM_MAIN_INCLUDE_DIR}/llvm/Support/Solaris")
895 endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
897 # Make sure we don't get -rdynamic in every binary. For those that need it,
898 # use export_executable_symbols(target).
899 set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "")
901 set(LLVM_PROFDATA_FILE "" CACHE FILEPATH
902 "Profiling data file to use when compiling in order to improve runtime performance.")
904 if(LLVM_PROFDATA_FILE AND EXISTS ${LLVM_PROFDATA_FILE})
905 if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" )
906 add_definitions("-fprofile-instr-use=${LLVM_PROFDATA_FILE}")
908 message(FATAL_ERROR "LLVM_PROFDATA_FILE can only be specified when compiling with clang")
915 if( MINGW AND NOT "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" )
916 # People report that -O3 is unreliable on MinGW. The traditional
917 # build also uses -O2 for that reason:
918 llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2")
921 # Put this before tblgen. Else we have a circular dependence.
922 add_subdirectory(lib/Demangle)
923 add_subdirectory(lib/Support)
924 add_subdirectory(lib/TableGen)
926 add_subdirectory(utils/TableGen)
928 add_subdirectory(include/llvm)
930 add_subdirectory(lib)
932 if( LLVM_INCLUDE_UTILS )
933 add_subdirectory(utils/FileCheck)
934 add_subdirectory(utils/PerfectShuffle)
935 add_subdirectory(utils/count)
936 add_subdirectory(utils/not)
937 add_subdirectory(utils/yaml-bench)
939 if ( LLVM_INCLUDE_TESTS )
940 message(FATAL_ERROR "Including tests when not building utils will not work.
941 Either set LLVM_INCLUDE_UTILS to On, or set LLVM_INCLUDE_TESTS to Off.")
945 # Use LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION instead of LLVM_INCLUDE_UTILS because it is not really a util
946 if (LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION)
947 add_subdirectory(utils/LLVMVisualizers)
950 foreach( binding ${LLVM_BINDINGS_LIST} )
951 if( EXISTS "${LLVM_MAIN_SRC_DIR}/bindings/${binding}/CMakeLists.txt" )
952 add_subdirectory(bindings/${binding})
956 add_subdirectory(projects)
958 if( LLVM_INCLUDE_TOOLS )
959 add_subdirectory(tools)
962 if( LLVM_INCLUDE_RUNTIMES )
963 add_subdirectory(runtimes)
966 if( LLVM_INCLUDE_EXAMPLES )
967 add_subdirectory(examples)
970 if( LLVM_INCLUDE_TESTS )
971 if(EXISTS ${LLVM_MAIN_SRC_DIR}/projects/test-suite AND TARGET clang)
972 include(LLVMExternalProjectUtils)
973 llvm_ExternalProject_Add(test-suite ${LLVM_MAIN_SRC_DIR}/projects/test-suite
979 add_subdirectory(utils/lit)
980 add_subdirectory(test)
981 add_subdirectory(unittests)
982 if( LLVM_INCLUDE_UTILS )
983 add_subdirectory(utils/unittest)
987 # This utility is used to prevent crashing tests from calling Dr. Watson on
989 add_subdirectory(utils/KillTheDoctor)
992 # Add a global check rule now that all subdirectories have been traversed
993 # and we know the total set of lit testsuites.
994 get_property(LLVM_LIT_TESTSUITES GLOBAL PROPERTY LLVM_LIT_TESTSUITES)
995 get_property(LLVM_LIT_PARAMS GLOBAL PROPERTY LLVM_LIT_PARAMS)
996 get_property(LLVM_LIT_DEPENDS GLOBAL PROPERTY LLVM_LIT_DEPENDS)
997 get_property(LLVM_LIT_EXTRA_ARGS GLOBAL PROPERTY LLVM_LIT_EXTRA_ARGS)
998 get_property(LLVM_ADDITIONAL_TEST_TARGETS
999 GLOBAL PROPERTY LLVM_ADDITIONAL_TEST_TARGETS)
1000 get_property(LLVM_ADDITIONAL_TEST_DEPENDS
1001 GLOBAL PROPERTY LLVM_ADDITIONAL_TEST_DEPENDS)
1002 add_lit_target(check-all
1003 "Running all regression tests"
1004 ${LLVM_LIT_TESTSUITES}
1005 PARAMS ${LLVM_LIT_PARAMS}
1006 DEPENDS ${LLVM_LIT_DEPENDS} ${LLVM_ADDITIONAL_TEST_TARGETS}
1007 ARGS ${LLVM_LIT_EXTRA_ARGS}
1009 if(TARGET check-runtimes)
1010 add_dependencies(check-all check-runtimes)
1012 add_custom_target(test-depends
1013 DEPENDS ${LLVM_LIT_DEPENDS} ${LLVM_ADDITIONAL_TEST_DEPENDS})
1014 set_target_properties(test-depends PROPERTIES FOLDER "Tests")
1017 if (LLVM_INCLUDE_DOCS)
1018 add_subdirectory(docs)
1021 add_subdirectory(cmake/modules)
1023 # Do this last so that all lit targets have already been created.
1024 if (LLVM_INCLUDE_UTILS)
1025 add_subdirectory(utils/llvm-lit)
1028 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
1029 install(DIRECTORY include/llvm include/llvm-c
1031 COMPONENT llvm-headers
1037 PATTERN "LICENSE.TXT"
1038 PATTERN ".svn" EXCLUDE
1041 install(DIRECTORY ${LLVM_INCLUDE_DIR}/llvm ${LLVM_INCLUDE_DIR}/llvm-c
1043 COMPONENT llvm-headers
1049 # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
1050 PATTERN "CMakeFiles" EXCLUDE
1051 PATTERN "config.h" EXCLUDE
1052 PATTERN ".svn" EXCLUDE
1055 if (LLVM_INSTALL_MODULEMAPS)
1056 install(DIRECTORY include/llvm include/llvm-c
1058 COMPONENT llvm-headers
1060 PATTERN "module.modulemap"
1062 install(FILES include/llvm/module.install.modulemap
1063 DESTINATION include/llvm
1064 COMPONENT llvm-headers
1065 RENAME "module.extern.modulemap"
1067 endif(LLVM_INSTALL_MODULEMAPS)
1069 # Installing the headers needs to depend on generating any public
1070 # tablegen'd headers.
1071 add_custom_target(llvm-headers DEPENDS intrinsics_gen)
1072 set_target_properties(llvm-headers PROPERTIES FOLDER "Misc")
1074 if (NOT LLVM_ENABLE_IDE)
1075 add_llvm_install_targets(install-llvm-headers
1076 DEPENDS llvm-headers
1077 COMPONENT llvm-headers)
1080 # Custom target to install all libraries.
1081 add_custom_target(llvm-libraries)
1082 set_target_properties(llvm-libraries PROPERTIES FOLDER "Misc")
1084 if (NOT LLVM_ENABLE_IDE)
1085 add_llvm_install_targets(install-llvm-libraries
1086 DEPENDS llvm-libraries
1087 COMPONENT llvm-libraries)
1090 get_property(LLVM_LIBS GLOBAL PROPERTY LLVM_LIBS)
1092 list(REMOVE_DUPLICATES LLVM_LIBS)
1093 foreach(lib ${LLVM_LIBS})
1094 add_dependencies(llvm-libraries ${lib})
1095 if (NOT LLVM_ENABLE_IDE)
1096 add_dependencies(install-llvm-libraries install-${lib})
1102 # This must be at the end of the LLVM root CMakeLists file because it must run
1103 # after all targets are created.
1104 if(LLVM_DISTRIBUTION_COMPONENTS)
1106 message(FATAL_ERROR "LLVM_DISTRIBUTION_COMPONENTS cannot be specified with multi-configuration generators (i.e. Xcode or Visual Studio)")
1109 add_custom_target(distribution)
1110 add_custom_target(install-distribution)
1111 add_custom_target(install-distribution-stripped)
1112 foreach(target ${LLVM_DISTRIBUTION_COMPONENTS} ${LLVM_RUNTIME_DISTRIBUTION_COMPONENTS})
1113 if(TARGET ${target})
1114 add_dependencies(distribution ${target})
1116 message(SEND_ERROR "Specified distribution component '${target}' doesn't have a target")
1119 if(TARGET install-${target})
1120 add_dependencies(install-distribution install-${target})
1122 message(SEND_ERROR "Specified distribution component '${target}' doesn't have an install target")
1125 if(TARGET install-${target}-stripped)
1126 add_dependencies(install-distribution-stripped install-${target}-stripped)
1128 message(SEND_ERROR "Specified distribution component '${target}' doesn't have an install-stripped target."
1129 " Its installation target creation should be changed to use add_llvm_install_targets,"
1130 " or you should manually create the 'install-${target}-stripped' target.")
1135 # This allows us to deploy the Universal CRT DLLs by passing -DCMAKE_INSTALL_UCRT_LIBRARIES=ON to CMake
1136 if (MSVC AND CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows" AND CMAKE_INSTALL_UCRT_LIBRARIES)
1137 include(InstallRequiredSystemLibraries)
1140 if (LLVM_INCLUDE_BENCHMARKS)
1141 # Override benchmark defaults so that when the library itself is updated these
1142 # modifications are not lost.
1143 set(BENCHMARK_ENABLE_TESTING OFF CACHE BOOL "Disable benchmark testing" FORCE)
1144 set(BENCHMARK_ENABLE_EXCEPTIONS OFF CACHE BOOL "Disable benchmark exceptions" FORCE)
1145 set(BENCHMARK_ENABLE_INSTALL OFF CACHE BOOL "Don't install benchmark" FORCE)
1146 set(BENCHMARK_DOWNLOAD_DEPENDENCIES OFF CACHE BOOL "Don't download dependencies" FORCE)
1147 set(BENCHMARK_ENABLE_GTEST_TESTS OFF CACHE BOOL "Disable Google Test in benchmark" FORCE)
1148 # Since LLVM requires C++11 it is safe to assume that std::regex is available.
1149 set(HAVE_STD_REGEX ON CACHE BOOL "OK" FORCE)
1151 add_subdirectory(utils/benchmark)
1152 add_subdirectory(benchmarks)