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)
15 cmake_policy(SET CMP0077 NEW)
18 if(NOT DEFINED LLVM_VERSION_MAJOR)
19 set(LLVM_VERSION_MAJOR 9)
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 svn)
31 if (NOT PACKAGE_VERSION)
33 "${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}${LLVM_VERSION_SUFFIX}")
36 if ((CMAKE_GENERATOR MATCHES "Visual Studio") AND (CMAKE_GENERATOR_TOOLSET STREQUAL ""))
37 message(WARNING "Visual Studio generators use the x86 host compiler by "
38 "default, even for 64-bit targets. This can result in linker "
39 "instability and out of memory errors. To use the 64-bit "
40 "host compiler, pass -Thost=x64 on the CMake command line.")
44 VERSION ${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}
47 if (NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
48 message(STATUS "No build type selected, default to Debug")
49 set(CMAKE_BUILD_TYPE "Debug" CACHE STRING "Build type (default Debug)" FORCE)
52 # This should only apply if you are both on an Apple host, and targeting Apple.
53 if(CMAKE_HOST_APPLE AND APPLE)
54 # if CMAKE_LIBTOOL is not set, try and find it with xcrun or find_program
57 find_program(CMAKE_XCRUN NAMES xcrun)
60 execute_process(COMMAND ${CMAKE_XCRUN} -find libtool
61 OUTPUT_VARIABLE CMAKE_LIBTOOL
62 OUTPUT_STRIP_TRAILING_WHITESPACE)
65 if(NOT CMAKE_LIBTOOL OR NOT EXISTS CMAKE_LIBTOOL)
66 find_program(CMAKE_LIBTOOL NAMES libtool)
70 get_property(languages GLOBAL PROPERTY ENABLED_LANGUAGES)
72 set(CMAKE_LIBTOOL ${CMAKE_LIBTOOL} CACHE PATH "libtool executable")
73 message(STATUS "Found libtool - ${CMAKE_LIBTOOL}")
75 execute_process(COMMAND ${CMAKE_LIBTOOL} -V
76 OUTPUT_VARIABLE LIBTOOL_V_OUTPUT
77 OUTPUT_STRIP_TRAILING_WHITESPACE)
78 if("${LIBTOOL_V_OUTPUT}" MATCHES ".*cctools-([0-9.]+).*")
79 string(REGEX REPLACE ".*cctools-([0-9.]+).*" "\\1" LIBTOOL_VERSION
81 if(NOT LIBTOOL_VERSION VERSION_LESS "862")
82 set(LIBTOOL_NO_WARNING_FLAG "-no_warning_for_no_symbols")
86 foreach(lang ${languages})
87 set(CMAKE_${lang}_CREATE_STATIC_LIBRARY
88 "\"${CMAKE_LIBTOOL}\" -static ${LIBTOOL_NO_WARNING_FLAG} -o <TARGET> \
89 <LINK_FLAGS> <OBJECTS> ")
93 # If DYLD_LIBRARY_PATH is set we need to set it on archiver commands
95 set(dyld_envar "DYLD_LIBRARY_PATH=${DYLD_LIBRARY_PATH}")
96 foreach(lang ${languages})
97 foreach(cmd ${CMAKE_${lang}_CREATE_STATIC_LIBRARY})
98 list(APPEND CMAKE_${lang}_CREATE_STATIC_LIBRARY_NEW
99 "${dyld_envar} ${cmd}")
101 set(CMAKE_${lang}_CREATE_STATIC_LIBRARY
102 ${CMAKE_${lang}_CREATE_STATIC_LIBRARY_NEW})
107 # Side-by-side subprojects layout: automatically set the
108 # LLVM_EXTERNAL_${project}_SOURCE_DIR using LLVM_ALL_PROJECTS
109 # This allows an easy way of setting up a build directory for llvm and another
110 # one for llvm+clang+... using the same sources.
111 set(LLVM_ALL_PROJECTS "clang;clang-tools-extra;compiler-rt;debuginfo-tests;libclc;libcxx;libcxxabi;libunwind;lld;lldb;llgo;openmp;parallel-libs;polly;pstl")
112 set(LLVM_ENABLE_PROJECTS "" CACHE STRING
113 "Semicolon-separated list of projects to build (${LLVM_ALL_PROJECTS}), or \"all\".")
114 if( LLVM_ENABLE_PROJECTS STREQUAL "all" )
115 set( LLVM_ENABLE_PROJECTS ${LLVM_ALL_PROJECTS})
118 # LLVM_ENABLE_PROJECTS_USED is `ON` if the user has ever used the
119 # `LLVM_ENABLE_PROJECTS` CMake cache variable. This exists for
122 # * As an indicator that the `LLVM_ENABLE_PROJECTS` list is now the single
123 # source of truth for which projects to build. This means we will ignore user
124 # supplied `LLVM_TOOL_<project>_BUILD` CMake cache variables and overwrite
127 # * The case where the user previously had `LLVM_ENABLE_PROJECTS` set to a
128 # non-empty list but now the user wishes to disable building all other projects
129 # by setting `LLVM_ENABLE_PROJECTS` to an empty string. In that case we still
130 # need to set the `LLVM_TOOL_${upper_proj}_BUILD` variables so that we disable
131 # building all the projects that were previously enabled.
132 set(LLVM_ENABLE_PROJECTS_USED OFF CACHE BOOL "")
133 mark_as_advanced(LLVM_ENABLE_PROJECTS_USED)
135 if (LLVM_ENABLE_PROJECTS_USED OR NOT LLVM_ENABLE_PROJECTS STREQUAL "")
136 set(LLVM_ENABLE_PROJECTS_USED ON CACHE BOOL "" FORCE)
137 foreach(proj ${LLVM_ALL_PROJECTS} ${LLVM_EXTERNAL_PROJECTS})
138 string(TOUPPER "${proj}" upper_proj)
139 string(REGEX REPLACE "-" "_" upper_proj ${upper_proj})
140 if ("${proj}" IN_LIST LLVM_ENABLE_PROJECTS)
141 message(STATUS "${proj} project is enabled")
142 set(SHOULD_ENABLE_PROJECT TRUE)
143 set(PROJ_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../${proj}")
144 if(NOT EXISTS "${PROJ_DIR}" OR NOT IS_DIRECTORY "${PROJ_DIR}")
145 message(FATAL_ERROR "LLVM_ENABLE_PROJECTS requests ${proj} but directory not found: ${PROJ_DIR}")
147 set(LLVM_EXTERNAL_${upper_proj}_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../${proj}" CACHE STRING "")
148 elseif ("${proj}" IN_LIST LLVM_EXTERNAL_PROJECTS)
149 message(STATUS "${proj} project is enabled")
150 set(SHOULD_ENABLE_PROJECT TRUE)
152 message(STATUS "${proj} project is disabled")
153 set(SHOULD_ENABLE_PROJECT FALSE)
155 # Force `LLVM_TOOL_${upper_proj}_BUILD` variables to have values that
156 # corresponds with `LLVM_ENABLE_PROJECTS`. This prevents the user setting
157 # `LLVM_TOOL_${upper_proj}_BUILD` variables externally. At some point
158 # we should deprecate allowing users to set these variables by turning them
159 # into normal CMake variables rather than cache variables.
160 set(LLVM_TOOL_${upper_proj}_BUILD
161 ${SHOULD_ENABLE_PROJECT}
163 BOOL "Whether to build ${upper_proj} as part of LLVM" FORCE
167 unset(SHOULD_ENABLE_PROJECT)
169 # Build llvm with ccache if the package is present
170 set(LLVM_CCACHE_BUILD OFF CACHE BOOL "Set to ON for a ccache enabled build")
171 if(LLVM_CCACHE_BUILD)
172 find_program(CCACHE_PROGRAM ccache)
174 set(LLVM_CCACHE_MAXSIZE "" CACHE STRING "Size of ccache")
175 set(LLVM_CCACHE_DIR "" CACHE STRING "Directory to keep ccached data")
176 set(LLVM_CCACHE_PARAMS "CCACHE_CPP2=yes CCACHE_HASHDIR=yes"
177 CACHE STRING "Parameters to pass through to ccache")
179 set(CCACHE_PROGRAM "${LLVM_CCACHE_PARAMS} ${CCACHE_PROGRAM}")
180 if (LLVM_CCACHE_MAXSIZE)
181 set(CCACHE_PROGRAM "CCACHE_MAXSIZE=${LLVM_CCACHE_MAXSIZE} ${CCACHE_PROGRAM}")
184 set(CCACHE_PROGRAM "CCACHE_DIR=${LLVM_CCACHE_DIR} ${CCACHE_PROGRAM}")
186 set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ${CCACHE_PROGRAM})
188 message(FATAL_ERROR "Unable to find the program ccache. Set LLVM_CCACHE_BUILD to OFF")
192 option(LLVM_DEPENDENCY_DEBUGGING "Dependency debugging mode to verify correctly expressed library dependencies (Darwin only)" OFF)
194 # Some features of the LLVM build may be disallowed when dependency debugging is
195 # enabled. In particular you cannot use ccache because we want to force compile
196 # operations to always happen.
197 if(LLVM_DEPENDENCY_DEBUGGING)
198 if(NOT CMAKE_HOST_APPLE)
199 message(FATAL_ERROR "Dependency debugging is only currently supported on Darwin hosts.")
201 if(LLVM_CCACHE_BUILD)
202 message(FATAL_ERROR "Cannot enable dependency debugging while using ccache.")
206 option(LLVM_ENABLE_DAGISEL_COV "Debug: Prints tablegen patterns that were used for selecting" OFF)
207 option(LLVM_ENABLE_GISEL_COV "Enable collection of GlobalISel rule coverage" OFF)
208 if(LLVM_ENABLE_GISEL_COV)
209 set(LLVM_GISEL_COV_PREFIX "${CMAKE_BINARY_DIR}/gisel-coverage-" CACHE STRING "Provide a filename prefix to collect the GlobalISel rule coverage")
212 # Add path for custom modules
213 set(CMAKE_MODULE_PATH
215 "${CMAKE_CURRENT_SOURCE_DIR}/cmake"
216 "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules"
219 # Generate a CompilationDatabase (compile_commands.json file) for our build,
220 # for use by clang_complete, YouCompleteMe, etc.
221 set(CMAKE_EXPORT_COMPILE_COMMANDS 1)
223 option(LLVM_INSTALL_BINUTILS_SYMLINKS
224 "Install symlinks from the binutils tool names to the corresponding LLVM tools." OFF)
226 option(LLVM_INSTALL_UTILS "Include utility binaries in the 'install' target." OFF)
228 option(LLVM_INSTALL_TOOLCHAIN_ONLY "Only include toolchain files in the 'install' target." OFF)
230 # Unfortunatly Clang is too eager to search directories for module maps, which can cause the
231 # installed version of the maps to be found when building LLVM from source. Therefore we turn off
232 # the installation by default. See llvm.org/PR31905.
233 option(LLVM_INSTALL_MODULEMAPS "Install the modulemap files in the 'install' target." OFF)
235 option(LLVM_USE_FOLDERS "Enable solution folders in Visual Studio. Disable for Express versions." ON)
236 if ( LLVM_USE_FOLDERS )
237 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
240 include(VersionFromVCS)
242 option(LLVM_APPEND_VC_REV
243 "Embed the version control system revision in LLVM" ON)
245 set(PACKAGE_NAME LLVM)
246 set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
247 set(PACKAGE_BUGREPORT "https://bugs.llvm.org/")
249 set(BUG_REPORT_URL "${PACKAGE_BUGREPORT}" CACHE STRING
250 "Default URL where bug reports are to be submitted.")
253 set(CPACK_PACKAGE_INSTALL_DIRECTORY "LLVM")
254 set(CPACK_PACKAGE_VENDOR "LLVM")
255 set(CPACK_PACKAGE_VERSION_MAJOR ${LLVM_VERSION_MAJOR})
256 set(CPACK_PACKAGE_VERSION_MINOR ${LLVM_VERSION_MINOR})
257 set(CPACK_PACKAGE_VERSION_PATCH ${LLVM_VERSION_PATCH})
258 set(CPACK_PACKAGE_VERSION ${PACKAGE_VERSION})
259 set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE.TXT")
260 set(CPACK_NSIS_COMPRESSOR "/SOLID lzma \r\n SetCompressorDictSize 32")
261 if(WIN32 AND NOT UNIX)
262 set(CPACK_PACKAGE_INSTALL_REGISTRY_KEY "LLVM")
263 set(CPACK_PACKAGE_ICON "${CMAKE_CURRENT_SOURCE_DIR}\\\\cmake\\\\nsis_logo.bmp")
264 set(CPACK_NSIS_MUI_ICON "${CMAKE_CURRENT_SOURCE_DIR}\\\\cmake\\\\nsis_icon.ico")
265 set(CPACK_NSIS_MUI_UNIICON "${CMAKE_CURRENT_SOURCE_DIR}\\\\cmake\\\\nsis_icon.ico")
266 set(CPACK_NSIS_MODIFY_PATH "ON")
267 set(CPACK_NSIS_ENABLE_UNINSTALL_BEFORE_INSTALL "ON")
269 set(CPACK_NSIS_INSTALL_ROOT "$PROGRAMFILES64")
274 # Sanity check our source directory to make sure that we are not trying to
275 # generate an in-source build (unless on MSVC_IDE, where it is ok), and to make
276 # sure that we don't have any stray generated files lying around in the tree
277 # (which would end up getting picked up by header search, instead of the correct
279 if( CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR AND NOT MSVC_IDE )
280 message(FATAL_ERROR "In-source builds are not allowed.
281 Please create a directory and run cmake from there, passing the path
282 to this source directory as the last argument.
283 This process created the file `CMakeCache.txt' and the directory `CMakeFiles'.
284 Please delete them.")
287 string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE)
289 if (CMAKE_BUILD_TYPE AND
290 NOT uppercase_CMAKE_BUILD_TYPE MATCHES "^(DEBUG|RELEASE|RELWITHDEBINFO|MINSIZEREL)$")
291 message(FATAL_ERROR "Invalid value for CMAKE_BUILD_TYPE: ${CMAKE_BUILD_TYPE}")
294 set(LLVM_LIBDIR_SUFFIX "" CACHE STRING "Define suffix of library directory name (32/64)" )
296 set(LLVM_TOOLS_INSTALL_DIR "bin" CACHE STRING "Path for binary subdirectory (defaults to 'bin')")
297 mark_as_advanced(LLVM_TOOLS_INSTALL_DIR)
299 set(LLVM_UTILS_INSTALL_DIR "${LLVM_TOOLS_INSTALL_DIR}" CACHE STRING
300 "Path to install LLVM utilities (enabled by LLVM_INSTALL_UTILS=ON) (defaults to LLVM_TOOLS_INSTALL_DIR)")
301 mark_as_advanced(LLVM_UTILS_INSTALL_DIR)
303 # They are used as destination of target generators.
304 set(LLVM_RUNTIME_OUTPUT_INTDIR ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/bin)
305 set(LLVM_LIBRARY_OUTPUT_INTDIR ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib${LLVM_LIBDIR_SUFFIX})
307 # DLL platform -- put DLLs into bin.
308 set(LLVM_SHLIB_OUTPUT_INTDIR ${LLVM_RUNTIME_OUTPUT_INTDIR})
310 set(LLVM_SHLIB_OUTPUT_INTDIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
313 # Each of them corresponds to llvm-config's.
314 set(LLVM_TOOLS_BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR}) # --bindir
315 set(LLVM_LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}) # --libdir
316 set(LLVM_MAIN_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR} ) # --src-root
317 set(LLVM_MAIN_INCLUDE_DIR ${LLVM_MAIN_SRC_DIR}/include ) # --includedir
318 set(LLVM_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR} ) # --prefix
320 # Note: LLVM_CMAKE_PATH does not include generated files
321 set(LLVM_CMAKE_PATH ${LLVM_MAIN_SRC_DIR}/cmake/modules)
322 set(LLVM_EXAMPLES_BINARY_DIR ${LLVM_BINARY_DIR}/examples)
323 set(LLVM_INCLUDE_DIR ${CMAKE_CURRENT_BINARY_DIR}/include)
325 # List of all targets to be built by default:
344 # List of targets with JIT support:
345 set(LLVM_TARGETS_WITH_JIT X86 PowerPC AArch64 ARM Mips SystemZ)
347 set(LLVM_TARGETS_TO_BUILD "all"
348 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
350 set(LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ""
351 CACHE STRING "Semicolon-separated list of experimental targets to build.")
353 option(BUILD_SHARED_LIBS
354 "Build all libraries as shared libraries instead of static" OFF)
356 option(LLVM_ENABLE_BACKTRACES "Enable embedding backtraces on crash." ON)
357 if(LLVM_ENABLE_BACKTRACES)
358 set(ENABLE_BACKTRACES 1)
361 option(LLVM_ENABLE_UNWIND_TABLES "Emit unwind tables for the libraries" ON)
363 option(LLVM_ENABLE_CRASH_OVERRIDES "Enable crash overrides." ON)
364 if(LLVM_ENABLE_CRASH_OVERRIDES)
365 set(ENABLE_CRASH_OVERRIDES 1)
368 option(LLVM_ENABLE_CRASH_DUMPS "Turn on memory dumps on crashes. Currently only implemented on Windows." OFF)
370 option(LLVM_ENABLE_FFI "Use libffi to call external functions from the interpreter" OFF)
371 set(FFI_LIBRARY_DIR "" CACHE PATH "Additional directory, where CMake should search for libffi.so")
372 set(FFI_INCLUDE_DIR "" CACHE PATH "Additional directory, where CMake should search for ffi.h or ffi/ffi.h")
374 set(LLVM_TARGET_ARCH "host"
375 CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.")
377 option(LLVM_ENABLE_TERMINFO "Use terminfo database if available." ON)
379 set(LLVM_ENABLE_LIBXML2 "ON" CACHE STRING "Use libxml2 if available. Can be ON, OFF, or FORCE_ON")
381 option(LLVM_ENABLE_LIBEDIT "Use libedit if available." ON)
383 option(LLVM_ENABLE_LIBPFM "Use libpfm for performance counters if available." ON)
385 option(LLVM_ENABLE_THREADS "Use threads if available." ON)
387 option(LLVM_ENABLE_ZLIB "Use zlib for compression/decompression if available." ON)
389 set(LLVM_Z3_INSTALL_DIR "" CACHE STRING "Install directory of the Z3 solver.")
391 find_package(Z3 4.7.1)
393 if (LLVM_Z3_INSTALL_DIR)
395 message(FATAL_ERROR "Z3 >= 4.7.1 has not been found in LLVM_Z3_INSTALL_DIR: ${LLVM_Z3_INSTALL_DIR}.")
399 set(LLVM_ENABLE_Z3_SOLVER_DEFAULT "${Z3_FOUND}")
401 option(LLVM_ENABLE_Z3_SOLVER
402 "Enable Support for the Z3 constraint solver in LLVM."
403 ${LLVM_ENABLE_Z3_SOLVER_DEFAULT}
406 if (LLVM_ENABLE_Z3_SOLVER)
408 message(FATAL_ERROR "LLVM_ENABLE_Z3_SOLVER cannot be enabled when Z3 is not available.")
414 if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
415 set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
418 set(LLVM_TARGETS_TO_BUILD
419 ${LLVM_TARGETS_TO_BUILD}
420 ${LLVM_EXPERIMENTAL_TARGETS_TO_BUILD})
421 list(REMOVE_DUPLICATES LLVM_TARGETS_TO_BUILD)
423 option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON)
424 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON)
425 option(LLVM_ENABLE_MODULES "Compile with C++ modules enabled." OFF)
426 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
427 option(LLVM_ENABLE_MODULE_DEBUGGING "Compile with -gmodules." ON)
428 option(LLVM_ENABLE_LOCAL_SUBMODULE_VISIBILITY "Compile with -fmodules-local-submodule-visibility." OFF)
430 option(LLVM_ENABLE_MODULE_DEBUGGING "Compile with -gmodules." OFF)
431 option(LLVM_ENABLE_LOCAL_SUBMODULE_VISIBILITY "Compile with -fmodules-local-submodule-visibility." ON)
433 option(LLVM_ENABLE_LIBCXX "Use libc++ if available." OFF)
434 option(LLVM_ENABLE_LLD "Use lld as C and C++ linker." OFF)
435 option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
436 option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
438 option(LLVM_ENABLE_DUMP "Enable dump functions even when assertions are disabled" OFF)
440 if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG" )
441 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
443 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
446 option(LLVM_ENABLE_EXPENSIVE_CHECKS "Enable expensive checks" OFF)
448 set(LLVM_ABI_BREAKING_CHECKS "WITH_ASSERTS" CACHE STRING
449 "Enable abi-breaking checks. Can be WITH_ASSERTS, FORCE_ON or FORCE_OFF.")
451 option(LLVM_FORCE_USE_OLD_TOOLCHAIN
452 "Set to ON to force using an old, unsupported host toolchain." OFF)
454 option(LLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN
455 "Set to ON to only warn when using a toolchain which is about to be deprecated, instead of emitting an error." OFF)
457 option(LLVM_USE_INTEL_JITEVENTS
458 "Use Intel JIT API to inform Intel(R) VTune(TM) Amplifier XE 2011 about JIT code"
461 if( LLVM_USE_INTEL_JITEVENTS )
462 # Verify we are on a supported platform
463 if( NOT CMAKE_SYSTEM_NAME MATCHES "Windows" AND NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
465 "Intel JIT API support is available on Linux and Windows only.")
467 endif( LLVM_USE_INTEL_JITEVENTS )
469 option(LLVM_USE_OPROFILE
470 "Use opagent JIT interface to inform OProfile about JIT code" OFF)
472 option(LLVM_EXTERNALIZE_DEBUGINFO
473 "Generate dSYM files and strip executables and libraries (Darwin Only)" OFF)
475 set(LLVM_CODESIGNING_IDENTITY "" CACHE STRING
476 "Sign executables and dylibs with the given identity or skip if empty (Darwin Only)")
478 # If enabled, verify we are on a platform that supports oprofile.
479 if( LLVM_USE_OPROFILE )
480 if( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
481 message(FATAL_ERROR "OProfile support is available on Linux only.")
482 endif( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
483 endif( LLVM_USE_OPROFILE )
486 "Use perf JIT interface to inform perf about JIT code" OFF)
488 # If enabled, verify we are on a platform that supports perf.
490 if( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
491 message(FATAL_ERROR "perf support is available on Linux only.")
492 endif( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
493 endif( LLVM_USE_PERF )
495 set(LLVM_USE_SANITIZER "" CACHE STRING
496 "Define the sanitizer used to build binaries and tests.")
497 option(LLVM_OPTIMIZE_SANITIZED_BUILDS "Pass -O1 on debug sanitizer builds" ON)
498 set(LLVM_LIB_FUZZING_ENGINE "" CACHE PATH
499 "Path to fuzzing library for linking with fuzz targets")
501 option(LLVM_USE_SPLIT_DWARF
502 "Use -gsplit-dwarf when compiling llvm." OFF)
504 option(LLVM_POLLY_LINK_INTO_TOOLS "Statically link Polly into tools (if available)" ON)
505 option(LLVM_POLLY_BUILD "Build LLVM with Polly" ON)
507 if (EXISTS ${LLVM_MAIN_SRC_DIR}/tools/polly/CMakeLists.txt)
508 set(POLLY_IN_TREE TRUE)
509 elseif(LLVM_EXTERNAL_POLLY_SOURCE_DIR)
510 set(POLLY_IN_TREE TRUE)
512 set(POLLY_IN_TREE FALSE)
515 if (LLVM_POLLY_BUILD AND POLLY_IN_TREE)
521 if (LLVM_POLLY_LINK_INTO_TOOLS AND WITH_POLLY)
522 set(LINK_POLLY_INTO_TOOLS ON)
524 set(LINK_POLLY_INTO_TOOLS OFF)
527 # Define an option controlling whether we should build for 32-bit on 64-bit
528 # platforms, where supported.
529 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
530 # TODO: support other platforms and toolchains.
531 option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
534 # Define the default arguments to use with 'lit', and an option for the user to
536 set(LIT_ARGS_DEFAULT "-sv")
537 if (MSVC_IDE OR XCODE)
538 set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
540 set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit")
542 # On Win32 hosts, provide an option to specify the path to the GnuWin32 tools.
543 if( WIN32 AND NOT CYGWIN )
544 set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools")
547 # Define options to control the inclusion and default build behavior for
548 # components which may not strictly be necessary (tools, examples, and tests).
550 # This is primarily to support building smaller or faster project files.
551 option(LLVM_INCLUDE_TOOLS "Generate build targets for the LLVM tools." ON)
552 option(LLVM_BUILD_TOOLS
553 "Build the LLVM tools. If OFF, just generate build targets." ON)
555 option(LLVM_INCLUDE_UTILS "Generate build targets for the LLVM utils." ON)
556 option(LLVM_BUILD_UTILS
557 "Build LLVM utility binaries. If OFF, just generate build targets." ON)
559 option(LLVM_INCLUDE_RUNTIMES "Generate build targets for the LLVM runtimes." ON)
560 option(LLVM_BUILD_RUNTIMES
561 "Build the LLVM runtimes. If OFF, just generate build targets." ON)
563 option(LLVM_BUILD_RUNTIME
564 "Build the LLVM runtime libraries." ON)
565 option(LLVM_BUILD_EXAMPLES
566 "Build the LLVM example programs. If OFF, just generate build targets." OFF)
567 option(LLVM_INCLUDE_EXAMPLES "Generate build targets for the LLVM examples" ON)
569 option(LLVM_BUILD_TESTS
570 "Build LLVM unit tests. If OFF, just generate build targets." OFF)
571 option(LLVM_INCLUDE_TESTS "Generate build targets for the LLVM unit tests." ON)
572 option(LLVM_INCLUDE_GO_TESTS "Include the Go bindings tests in test build targets." ON)
574 option(LLVM_BUILD_BENCHMARKS "Add LLVM benchmark targets to the list of default
575 targets. If OFF, benchmarks still could be built using Benchmarks target." OFF)
576 option(LLVM_INCLUDE_BENCHMARKS "Generate benchmark targets. If OFF, benchmarks can't be built." ON)
578 option (LLVM_BUILD_DOCS "Build the llvm documentation." OFF)
579 option (LLVM_INCLUDE_DOCS "Generate build targets for llvm documentation." ON)
580 option (LLVM_ENABLE_DOXYGEN "Use doxygen to generate llvm API documentation." OFF)
581 option (LLVM_ENABLE_SPHINX "Use Sphinx to generate llvm documentation." OFF)
582 option (LLVM_ENABLE_OCAMLDOC "Build OCaml bindings documentation." ON)
583 option (LLVM_ENABLE_BINDINGS "Build bindings." ON)
585 set(LLVM_INSTALL_DOXYGEN_HTML_DIR "share/doc/llvm/doxygen-html"
586 CACHE STRING "Doxygen-generated HTML documentation install directory")
587 set(LLVM_INSTALL_OCAMLDOC_HTML_DIR "share/doc/llvm/ocaml-html"
588 CACHE STRING "OCamldoc-generated HTML documentation install directory")
590 option (LLVM_BUILD_EXTERNAL_COMPILER_RT
591 "Build compiler-rt as an external project." OFF)
593 option (LLVM_VERSION_PRINTER_SHOW_HOST_TARGET_INFO
594 "Show target and host info when tools are invoked with --version." ON)
596 # You can configure which libraries from LLVM you want to include in the
597 # shared library by setting LLVM_DYLIB_COMPONENTS to a semi-colon delimited
598 # list of LLVM components. All component names handled by llvm-config are valid.
599 if(NOT DEFINED LLVM_DYLIB_COMPONENTS)
600 set(LLVM_DYLIB_COMPONENTS "all" CACHE STRING
601 "Semicolon-separated list of components to include in libLLVM, or \"all\".")
603 option(LLVM_LINK_LLVM_DYLIB "Link tools against the libllvm dynamic library" OFF)
605 option(LLVM_BUILD_LLVM_C_DYLIB "Build LLVM-C.dll (Windows only)" ON)
607 option(LLVM_BUILD_LLVM_C_DYLIB "Build libllvm-c re-export library (Darwin only)" OFF)
609 set(LLVM_BUILD_LLVM_DYLIB_default OFF)
610 if(LLVM_LINK_LLVM_DYLIB OR (LLVM_BUILD_LLVM_C_DYLIB AND NOT MSVC))
611 set(LLVM_BUILD_LLVM_DYLIB_default ON)
613 option(LLVM_BUILD_LLVM_DYLIB "Build libllvm dynamic library" ${LLVM_BUILD_LLVM_DYLIB_default})
615 option(LLVM_OPTIMIZED_TABLEGEN "Force TableGen to be built with optimization" OFF)
616 if(CMAKE_CROSSCOMPILING OR (LLVM_OPTIMIZED_TABLEGEN AND (LLVM_ENABLE_ASSERTIONS OR CMAKE_CONFIGURATION_TYPES)))
617 set(LLVM_USE_HOST_TOOLS ON)
620 if (MSVC_IDE AND NOT (MSVC_VERSION LESS 1900))
621 option(LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION "Configure project to use Visual Studio native visualizers" TRUE)
623 set(LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION FALSE CACHE INTERNAL "For Visual Studio 2013, manually copy natvis files to Documents\\Visual Studio 2013\\Visualizers" FORCE)
626 if (LLVM_BUILD_INSTRUMENTED OR LLVM_BUILD_INSTRUMENTED_COVERAGE OR
628 if(NOT LLVM_PROFILE_MERGE_POOL_SIZE)
629 # A pool size of 1-2 is probably sufficient on a SSD. 3-4 should be fine
630 # for spining disks. Anything higher may only help on slower mediums.
631 set(LLVM_PROFILE_MERGE_POOL_SIZE "4")
633 if(NOT LLVM_PROFILE_FILE_PATTERN)
634 if(NOT LLVM_PROFILE_DATA_DIR)
635 file(TO_NATIVE_PATH "${LLVM_BINARY_DIR}/profiles" LLVM_PROFILE_DATA_DIR)
637 file(TO_NATIVE_PATH "${LLVM_PROFILE_DATA_DIR}/%${LLVM_PROFILE_MERGE_POOL_SIZE}m.profraw" LLVM_PROFILE_FILE_PATTERN)
639 if(NOT LLVM_CSPROFILE_FILE_PATTERN)
640 if(NOT LLVM_CSPROFILE_DATA_DIR)
641 file(TO_NATIVE_PATH "${LLVM_BINARY_DIR}/csprofiles" LLVM_CSPROFILE_DATA_DIR)
643 file(TO_NATIVE_PATH "${LLVM_CSPROFILE_DATA_DIR}/%${LLVM_PROFILE_MERGE_POOL_SIZE}m.profraw" LLVM_CSPROFILE_FILE_PATTERN)
647 if (LLVM_BUILD_STATIC)
648 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static")
651 # Override the default target with an environment variable named by LLVM_TARGET_TRIPLE_ENV.
652 set(LLVM_TARGET_TRIPLE_ENV CACHE STRING "The name of environment variable to override default target. Disabled by blank.")
653 mark_as_advanced(LLVM_TARGET_TRIPLE_ENV)
655 set(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR OFF CACHE BOOL
656 "Enable per-target runtimes directory")
658 # All options referred to from HandleLLVMOptions have to be specified
659 # BEFORE this include, otherwise options will not be correctly set on
663 string(REPLACE "Native" ${LLVM_NATIVE_ARCH}
664 LLVM_TARGETS_TO_BUILD "${LLVM_TARGETS_TO_BUILD}")
665 list(REMOVE_DUPLICATES LLVM_TARGETS_TO_BUILD)
667 # By default, we target the host, but this can be overridden at CMake
669 set(LLVM_DEFAULT_TARGET_TRIPLE "${LLVM_HOST_TRIPLE}" CACHE STRING
670 "Default target for which LLVM will generate code." )
671 set(TARGET_TRIPLE "${LLVM_DEFAULT_TARGET_TRIPLE}")
672 message(STATUS "LLVM host triple: ${LLVM_HOST_TRIPLE}")
673 message(STATUS "LLVM default target triple: ${LLVM_DEFAULT_TARGET_TRIPLE}")
675 include(HandleLLVMOptions)
677 # Verify that we can find a Python 2 interpreter. Python 3 is unsupported.
678 # FIXME: We should support systems with only Python 3, but that requires work
680 set(Python_ADDITIONAL_VERSIONS 2.7)
681 include(FindPythonInterp)
682 if( NOT PYTHONINTERP_FOUND )
684 "Unable to find Python interpreter, required for builds and testing.
686 Please install Python or specify the PYTHON_EXECUTABLE CMake variable.")
689 if( ${PYTHON_VERSION_STRING} VERSION_LESS 2.7 )
690 message(FATAL_ERROR "Python 2.7 or newer is required")
694 # LLVMBuild Integration
696 # We use llvm-build to generate all the data required by the CMake based
697 # build system in one swoop:
699 # - We generate a file (a CMake fragment) in the object root which contains
700 # all the definitions that are required by CMake.
702 # - We generate the library table used by llvm-config.
704 # - We generate the dependencies for the CMake fragment, so that we will
705 # automatically reconfigure ourselves.
707 set(LLVMBUILDTOOL "${LLVM_MAIN_SRC_DIR}/utils/llvm-build/llvm-build")
708 set(LLVMCONFIGLIBRARYDEPENDENCIESINC
709 "${LLVM_BINARY_DIR}/tools/llvm-config/LibraryDependencies.inc")
710 set(LLVMBUILDCMAKEFRAG
711 "${LLVM_BINARY_DIR}/LLVMBuild.cmake")
713 # Create the list of optional components that are enabled
714 if (LLVM_USE_INTEL_JITEVENTS)
715 set(LLVMOPTIONALCOMPONENTS IntelJITEvents)
716 endif (LLVM_USE_INTEL_JITEVENTS)
717 if (LLVM_USE_OPROFILE)
718 set(LLVMOPTIONALCOMPONENTS ${LLVMOPTIONALCOMPONENTS} OProfileJIT)
719 endif (LLVM_USE_OPROFILE)
721 set(LLVMOPTIONALCOMPONENTS ${LLVMOPTIONALCOMPONENTS} PerfJITEvents)
722 endif (LLVM_USE_PERF)
724 message(STATUS "Constructing LLVMBuild project information")
726 COMMAND ${PYTHON_EXECUTABLE} -B ${LLVMBUILDTOOL}
727 --native-target "${LLVM_NATIVE_ARCH}"
728 --enable-targets "${LLVM_TARGETS_TO_BUILD}"
729 --enable-optional-components "${LLVMOPTIONALCOMPONENTS}"
730 --write-library-table ${LLVMCONFIGLIBRARYDEPENDENCIESINC}
731 --write-cmake-fragment ${LLVMBUILDCMAKEFRAG}
732 OUTPUT_VARIABLE LLVMBUILDOUTPUT
733 ERROR_VARIABLE LLVMBUILDERRORS
734 OUTPUT_STRIP_TRAILING_WHITESPACE
735 ERROR_STRIP_TRAILING_WHITESPACE
736 RESULT_VARIABLE LLVMBUILDRESULT)
738 # On Win32, CMake doesn't properly handle piping the default output/error
739 # streams into the GUI console. So, we explicitly catch and report them.
740 if( NOT "${LLVMBUILDOUTPUT}" STREQUAL "")
741 message(STATUS "llvm-build output: ${LLVMBUILDOUTPUT}")
743 if( NOT "${LLVMBUILDRESULT}" STREQUAL "0" )
745 "Unexpected failure executing llvm-build: ${LLVMBUILDERRORS}")
748 # Include the generated CMake fragment. This will define properties from the
749 # LLVMBuild files in a format which is easy to consume from CMake, and will add
750 # the dependencies so that CMake will reconfigure properly when the LLVMBuild
752 include(${LLVMBUILDCMAKEFRAG})
756 # Configure all of the various header file fragments LLVM uses which depend on
757 # configuration variables.
758 set(LLVM_ENUM_TARGETS "")
759 set(LLVM_ENUM_ASM_PRINTERS "")
760 set(LLVM_ENUM_ASM_PARSERS "")
761 set(LLVM_ENUM_DISASSEMBLERS "")
762 foreach(t ${LLVM_TARGETS_TO_BUILD})
763 set( td ${LLVM_MAIN_SRC_DIR}/lib/Target/${t} )
765 list(FIND LLVM_ALL_TARGETS ${t} idx)
766 list(FIND LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ${t} idy)
767 # At this point, LLVMBUILDTOOL already checked all the targets passed in
768 # LLVM_TARGETS_TO_BUILD and LLVM_EXPERIMENTAL_TARGETS_TO_BUILD, so
769 # this test just makes sure that any experimental targets were passed via
770 # LLVM_EXPERIMENTAL_TARGETS_TO_BUILD, not LLVM_TARGETS_TO_BUILD.
771 if( idx LESS 0 AND idy LESS 0 )
772 message(FATAL_ERROR "The target `${t}' is experimental and must be passed "
773 "via LLVM_EXPERIMENTAL_TARGETS_TO_BUILD.")
775 set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${t})\n")
778 file(GLOB asmp_file "${td}/*AsmPrinter.cpp")
780 set(LLVM_ENUM_ASM_PRINTERS
781 "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n")
783 if( EXISTS ${td}/AsmParser/CMakeLists.txt )
784 set(LLVM_ENUM_ASM_PARSERS
785 "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n")
787 if( EXISTS ${td}/Disassembler/CMakeLists.txt )
788 set(LLVM_ENUM_DISASSEMBLERS
789 "${LLVM_ENUM_DISASSEMBLERS}LLVM_DISASSEMBLER(${t})\n")
793 # Produce the target definition files, which provide a way for clients to easily
794 # include various classes of targets.
796 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in
797 ${LLVM_INCLUDE_DIR}/llvm/Config/AsmPrinters.def
800 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in
801 ${LLVM_INCLUDE_DIR}/llvm/Config/AsmParsers.def
804 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Disassemblers.def.in
805 ${LLVM_INCLUDE_DIR}/llvm/Config/Disassemblers.def
808 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in
809 ${LLVM_INCLUDE_DIR}/llvm/Config/Targets.def
812 # Configure the three LLVM configuration header files.
814 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/config.h.cmake
815 ${LLVM_INCLUDE_DIR}/llvm/Config/config.h)
817 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/llvm-config.h.cmake
818 ${LLVM_INCLUDE_DIR}/llvm/Config/llvm-config.h)
820 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/abi-breaking.h.cmake
821 ${LLVM_INCLUDE_DIR}/llvm/Config/abi-breaking.h)
823 # Add target for generating source rpm package.
824 set(LLVM_SRPM_USER_BINARY_SPECFILE ${CMAKE_CURRENT_SOURCE_DIR}/llvm.spec.in
825 CACHE FILEPATH ".spec file to use for srpm generation")
826 set(LLVM_SRPM_BINARY_SPECFILE ${CMAKE_CURRENT_BINARY_DIR}/llvm.spec)
827 set(LLVM_SRPM_DIR "${CMAKE_CURRENT_BINARY_DIR}/srpm")
829 get_source_info(${CMAKE_CURRENT_SOURCE_DIR} revision repository)
830 string(LENGTH "${revision}" revision_length)
831 if(revision MATCHES "^[0-9]+$" AND revision_length LESS 40)
832 set(LLVM_RPM_SPEC_REVISION "r${revision}")
834 set(LLVM_RPM_SPEC_REVISION "${revision}")
838 ${LLVM_SRPM_USER_BINARY_SPECFILE}
839 ${LLVM_SRPM_BINARY_SPECFILE} @ONLY)
841 add_custom_target(srpm
842 COMMAND cpack -G TGZ --config CPackSourceConfig.cmake -B ${LLVM_SRPM_DIR}/SOURCES
843 COMMAND rpmbuild -bs --define '_topdir ${LLVM_SRPM_DIR}' ${LLVM_SRPM_BINARY_SPECFILE})
844 set_target_properties(srpm PROPERTIES FOLDER "Misc")
847 # They are not referenced. See set_output_directory().
848 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/bin )
849 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} )
850 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} )
852 if(APPLE AND DARWIN_LTO_LIBRARY)
853 set(CMAKE_EXE_LINKER_FLAGS
854 "${CMAKE_EXE_LINKER_FLAGS} -Wl,-lto_library -Wl,${DARWIN_LTO_LIBRARY}")
855 set(CMAKE_SHARED_LINKER_FLAGS
856 "${CMAKE_SHARED_LINKER_FLAGS} -Wl,-lto_library -Wl,${DARWIN_LTO_LIBRARY}")
857 set(CMAKE_MODULE_LINKER_FLAGS
858 "${CMAKE_MODULE_LINKER_FLAGS} -Wl,-lto_library -Wl,${DARWIN_LTO_LIBRARY}")
861 # Work around a broken bfd ld behavior. When linking a binary with a
862 # foo.so library, it will try to find any library that foo.so uses and
863 # check its symbols. This is wasteful (the check was done when foo.so
864 # was created) and can fail since it is not the dynamic linker and
865 # doesn't know how to handle search paths correctly.
866 if (UNIX AND NOT APPLE AND NOT ${CMAKE_SYSTEM_NAME} MATCHES "SunOS|AIX")
867 set(CMAKE_EXE_LINKER_FLAGS
868 "${CMAKE_EXE_LINKER_FLAGS} -Wl,-allow-shlib-undefined")
871 set(CMAKE_INCLUDE_CURRENT_DIR ON)
873 include_directories( ${LLVM_INCLUDE_DIR} ${LLVM_MAIN_INCLUDE_DIR})
875 # when crosscompiling import the executable targets from a file
876 if(LLVM_USE_HOST_TOOLS)
877 include(CrossCompile)
878 endif(LLVM_USE_HOST_TOOLS)
879 if(LLVM_TARGET_IS_CROSSCOMPILE_HOST)
880 # Dummy use to avoid CMake Warning: Manually-specified variables were not used
881 # (this is a variable that CrossCompile sets on recursive invocations)
884 if(${CMAKE_SYSTEM_NAME} MATCHES "(FreeBSD|DragonFly)")
885 # On FreeBSD, /usr/local/* is not used by default. In order to build LLVM
886 # with libxml2, iconv.h, etc., we must add /usr/local paths.
887 include_directories(SYSTEM "/usr/local/include")
888 link_directories("/usr/local/lib")
889 endif(${CMAKE_SYSTEM_NAME} MATCHES "(FreeBSD|DragonFly)")
891 if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
892 # special hack for Solaris to handle crazy system sys/regset.h
893 include_directories("${LLVM_MAIN_INCLUDE_DIR}/llvm/Support/Solaris")
894 endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
896 # Make sure we don't get -rdynamic in every binary. For those that need it,
897 # use export_executable_symbols(target).
898 set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "")
900 set(LLVM_PROFDATA_FILE "" CACHE FILEPATH
901 "Profiling data file to use when compiling in order to improve runtime performance.")
903 if(LLVM_PROFDATA_FILE AND EXISTS ${LLVM_PROFDATA_FILE})
904 if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" )
905 add_definitions("-fprofile-instr-use=${LLVM_PROFDATA_FILE}")
907 message(FATAL_ERROR "LLVM_PROFDATA_FILE can only be specified when compiling with clang")
914 if( MINGW AND NOT "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" )
915 # People report that -O3 is unreliable on MinGW. The traditional
916 # build also uses -O2 for that reason:
917 llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2")
920 # Put this before tblgen. Else we have a circular dependence.
921 add_subdirectory(lib/Demangle)
922 add_subdirectory(lib/Support)
923 add_subdirectory(lib/TableGen)
925 add_subdirectory(utils/TableGen)
927 add_subdirectory(include/llvm)
929 add_subdirectory(lib)
931 if( LLVM_INCLUDE_UTILS )
932 add_subdirectory(utils/FileCheck)
933 add_subdirectory(utils/PerfectShuffle)
934 add_subdirectory(utils/count)
935 add_subdirectory(utils/not)
936 add_subdirectory(utils/yaml-bench)
938 if ( LLVM_INCLUDE_TESTS )
939 message(FATAL_ERROR "Including tests when not building utils will not work.
940 Either set LLVM_INCLUDE_UTILS to On, or set LLVM_INCLUDE_TESTS to Off.")
944 # Use LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION instead of LLVM_INCLUDE_UTILS because it is not really a util
945 if (LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION)
946 add_subdirectory(utils/LLVMVisualizers)
949 foreach( binding ${LLVM_BINDINGS_LIST} )
950 if( EXISTS "${LLVM_MAIN_SRC_DIR}/bindings/${binding}/CMakeLists.txt" )
951 add_subdirectory(bindings/${binding})
955 add_subdirectory(projects)
957 if( LLVM_INCLUDE_TOOLS )
958 add_subdirectory(tools)
961 if( LLVM_INCLUDE_RUNTIMES )
962 add_subdirectory(runtimes)
965 if( LLVM_INCLUDE_EXAMPLES )
966 add_subdirectory(examples)
969 if( LLVM_INCLUDE_TESTS )
970 if(EXISTS ${LLVM_MAIN_SRC_DIR}/projects/test-suite AND TARGET clang)
971 include(LLVMExternalProjectUtils)
972 llvm_ExternalProject_Add(test-suite ${LLVM_MAIN_SRC_DIR}/projects/test-suite
978 add_subdirectory(utils/lit)
979 add_subdirectory(test)
980 add_subdirectory(unittests)
981 if( LLVM_INCLUDE_UTILS )
982 add_subdirectory(utils/unittest)
986 # This utility is used to prevent crashing tests from calling Dr. Watson on
988 add_subdirectory(utils/KillTheDoctor)
991 # Add a global check rule now that all subdirectories have been traversed
992 # and we know the total set of lit testsuites.
993 get_property(LLVM_LIT_TESTSUITES GLOBAL PROPERTY LLVM_LIT_TESTSUITES)
994 get_property(LLVM_LIT_PARAMS GLOBAL PROPERTY LLVM_LIT_PARAMS)
995 get_property(LLVM_LIT_DEPENDS GLOBAL PROPERTY LLVM_LIT_DEPENDS)
996 get_property(LLVM_LIT_EXTRA_ARGS GLOBAL PROPERTY LLVM_LIT_EXTRA_ARGS)
997 get_property(LLVM_ADDITIONAL_TEST_TARGETS
998 GLOBAL PROPERTY LLVM_ADDITIONAL_TEST_TARGETS)
999 get_property(LLVM_ADDITIONAL_TEST_DEPENDS
1000 GLOBAL PROPERTY LLVM_ADDITIONAL_TEST_DEPENDS)
1001 add_lit_target(check-all
1002 "Running all regression tests"
1003 ${LLVM_LIT_TESTSUITES}
1004 PARAMS ${LLVM_LIT_PARAMS}
1005 DEPENDS ${LLVM_LIT_DEPENDS} ${LLVM_ADDITIONAL_TEST_TARGETS}
1006 ARGS ${LLVM_LIT_EXTRA_ARGS}
1008 if(TARGET check-runtimes)
1009 add_dependencies(check-all check-runtimes)
1011 add_custom_target(test-depends
1012 DEPENDS ${LLVM_LIT_DEPENDS} ${LLVM_ADDITIONAL_TEST_DEPENDS})
1013 set_target_properties(test-depends PROPERTIES FOLDER "Tests")
1016 if (LLVM_INCLUDE_DOCS)
1017 add_subdirectory(docs)
1020 add_subdirectory(cmake/modules)
1022 # Do this last so that all lit targets have already been created.
1023 if (LLVM_INCLUDE_UTILS)
1024 add_subdirectory(utils/llvm-lit)
1027 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
1028 install(DIRECTORY include/llvm include/llvm-c
1030 COMPONENT llvm-headers
1036 PATTERN "LICENSE.TXT"
1037 PATTERN ".svn" EXCLUDE
1040 install(DIRECTORY ${LLVM_INCLUDE_DIR}/llvm ${LLVM_INCLUDE_DIR}/llvm-c
1042 COMPONENT llvm-headers
1048 # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
1049 PATTERN "CMakeFiles" EXCLUDE
1050 PATTERN "config.h" EXCLUDE
1051 PATTERN ".svn" EXCLUDE
1054 if (LLVM_INSTALL_MODULEMAPS)
1055 install(DIRECTORY include/llvm include/llvm-c
1057 COMPONENT llvm-headers
1059 PATTERN "module.modulemap"
1061 install(FILES include/llvm/module.install.modulemap
1062 DESTINATION include/llvm
1063 COMPONENT llvm-headers
1064 RENAME "module.extern.modulemap"
1066 endif(LLVM_INSTALL_MODULEMAPS)
1068 # Installing the headers needs to depend on generating any public
1069 # tablegen'd headers.
1070 add_custom_target(llvm-headers DEPENDS intrinsics_gen)
1071 set_target_properties(llvm-headers PROPERTIES FOLDER "Misc")
1073 if (NOT LLVM_ENABLE_IDE)
1074 add_llvm_install_targets(install-llvm-headers
1075 DEPENDS llvm-headers
1076 COMPONENT llvm-headers)
1079 # Custom target to install all libraries.
1080 add_custom_target(llvm-libraries)
1081 set_target_properties(llvm-libraries PROPERTIES FOLDER "Misc")
1083 if (NOT LLVM_ENABLE_IDE)
1084 add_llvm_install_targets(install-llvm-libraries
1085 DEPENDS llvm-libraries
1086 COMPONENT llvm-libraries)
1089 get_property(LLVM_LIBS GLOBAL PROPERTY LLVM_LIBS)
1091 list(REMOVE_DUPLICATES LLVM_LIBS)
1092 foreach(lib ${LLVM_LIBS})
1093 add_dependencies(llvm-libraries ${lib})
1094 if (NOT LLVM_ENABLE_IDE)
1095 add_dependencies(install-llvm-libraries install-${lib})
1101 # This must be at the end of the LLVM root CMakeLists file because it must run
1102 # after all targets are created.
1103 if(LLVM_DISTRIBUTION_COMPONENTS)
1105 message(FATAL_ERROR "LLVM_DISTRIBUTION_COMPONENTS cannot be specified with multi-configuration generators (i.e. Xcode or Visual Studio)")
1108 add_custom_target(distribution)
1109 add_custom_target(install-distribution)
1110 add_custom_target(install-distribution-stripped)
1111 foreach(target ${LLVM_DISTRIBUTION_COMPONENTS} ${LLVM_RUNTIME_DISTRIBUTION_COMPONENTS})
1112 if(TARGET ${target})
1113 add_dependencies(distribution ${target})
1115 message(SEND_ERROR "Specified distribution component '${target}' doesn't have a target")
1118 if(TARGET install-${target})
1119 add_dependencies(install-distribution install-${target})
1121 message(SEND_ERROR "Specified distribution component '${target}' doesn't have an install target")
1124 if(TARGET install-${target}-stripped)
1125 add_dependencies(install-distribution-stripped install-${target}-stripped)
1127 message(SEND_ERROR "Specified distribution component '${target}' doesn't have an install-stripped target."
1128 " Its installation target creation should be changed to use add_llvm_install_targets,"
1129 " or you should manually create the 'install-${target}-stripped' target.")
1134 # This allows us to deploy the Universal CRT DLLs by passing -DCMAKE_INSTALL_UCRT_LIBRARIES=ON to CMake
1135 if (MSVC AND CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows" AND CMAKE_INSTALL_UCRT_LIBRARIES)
1136 include(InstallRequiredSystemLibraries)
1139 if (LLVM_INCLUDE_BENCHMARKS)
1140 # Override benchmark defaults so that when the library itself is updated these
1141 # modifications are not lost.
1142 set(BENCHMARK_ENABLE_TESTING OFF CACHE BOOL "Disable benchmark testing" FORCE)
1143 set(BENCHMARK_ENABLE_EXCEPTIONS OFF CACHE BOOL "Disable benchmark exceptions" FORCE)
1144 set(BENCHMARK_ENABLE_INSTALL OFF CACHE BOOL "Don't install benchmark" FORCE)
1145 set(BENCHMARK_DOWNLOAD_DEPENDENCIES OFF CACHE BOOL "Don't download dependencies" FORCE)
1146 set(BENCHMARK_ENABLE_GTEST_TESTS OFF CACHE BOOL "Disable Google Test in benchmark" FORCE)
1147 # Since LLVM requires C++11 it is safe to assume that std::regex is available.
1148 set(HAVE_STD_REGEX ON CACHE BOOL "OK" FORCE)
1150 add_subdirectory(utils/benchmark)
1151 add_subdirectory(benchmarks)