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 CMP0022 NEW) # automatic when 2.8.12 is required
10 # CMake 3.1 and higher include generator expressions of the form
11 # $<TARGETLIB:obj> in the SOURCES property. These need to be
12 # stripped everywhere that access the SOURCES property, so we just
13 # defer to the OLD behavior of not including generator expressions
14 # in the output for now.
15 cmake_policy(SET CMP0051 OLD)
19 cmake_policy(SET CMP0057 NEW)
22 if(NOT DEFINED LLVM_VERSION_MAJOR)
23 set(LLVM_VERSION_MAJOR 5)
25 if(NOT DEFINED LLVM_VERSION_MINOR)
26 set(LLVM_VERSION_MINOR 0)
28 if(NOT DEFINED LLVM_VERSION_PATCH)
29 set(LLVM_VERSION_PATCH 0)
31 if(NOT DEFINED LLVM_VERSION_SUFFIX)
32 set(LLVM_VERSION_SUFFIX svn)
36 cmake_policy(SET CMP0048 NEW)
37 set(cmake_3_0_PROJ_VERSION
38 VERSION ${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH})
39 set(cmake_3_0_LANGUAGES LANGUAGES)
42 if (NOT PACKAGE_VERSION)
44 "${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}${LLVM_VERSION_SUFFIX}")
47 if ((CMAKE_GENERATOR MATCHES "Visual Studio") AND (CMAKE_GENERATOR_TOOLSET STREQUAL ""))
48 message(WARNING "Visual Studio generators use the x86 host compiler by "
49 "default, even for 64-bit targets. This can result in linker "
50 "instability and out of memory errors. To use the 64-bit "
51 "host compiler, pass -Thost=x64 on the CMake command line.")
55 ${cmake_3_0_PROJ_VERSION}
56 ${cmake_3_0_LANGUAGES}
59 if (NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
60 message(STATUS "No build type selected, default to Debug")
61 set(CMAKE_BUILD_TYPE "Debug" CACHE STRING "Build type (default Debug)" FORCE)
64 # This should only apply if you are both on an Apple host, and targeting Apple.
65 if(CMAKE_HOST_APPLE AND APPLE)
66 # if CMAKE_LIBTOOL is not set, try and find it with xcrun or find_program
69 find_program(CMAKE_XCRUN NAMES xcrun)
72 execute_process(COMMAND ${CMAKE_XCRUN} -find libtool
73 OUTPUT_VARIABLE CMAKE_LIBTOOL
74 OUTPUT_STRIP_TRAILING_WHITESPACE)
77 if(NOT CMAKE_LIBTOOL OR NOT EXISTS CMAKE_LIBTOOL)
78 find_program(CMAKE_LIBTOOL NAMES libtool)
82 get_property(languages GLOBAL PROPERTY ENABLED_LANGUAGES)
84 set(CMAKE_LIBTOOL ${CMAKE_LIBTOOL} CACHE PATH "libtool executable")
85 message(STATUS "Found libtool - ${CMAKE_LIBTOOL}")
87 execute_process(COMMAND ${CMAKE_LIBTOOL} -V
88 OUTPUT_VARIABLE LIBTOOL_V_OUTPUT
89 OUTPUT_STRIP_TRAILING_WHITESPACE)
90 if("${LIBTOOL_V_OUTPUT}" MATCHES ".*cctools-([0-9.]+).*")
91 string(REGEX REPLACE ".*cctools-([0-9.]+).*" "\\1" LIBTOOL_VERSION
93 if(NOT LIBTOOL_VERSION VERSION_LESS "862")
94 set(LIBTOOL_NO_WARNING_FLAG "-no_warning_for_no_symbols")
98 foreach(lang ${languages})
99 set(CMAKE_${lang}_CREATE_STATIC_LIBRARY
100 "${CMAKE_LIBTOOL} -static ${LIBTOOL_NO_WARNING_FLAG} -o <TARGET> \
101 <LINK_FLAGS> <OBJECTS> ")
105 # If DYLD_LIBRARY_PATH is set we need to set it on archiver commands
106 if(DYLD_LIBRARY_PATH)
107 set(dyld_envar "DYLD_LIBRARY_PATH=${DYLD_LIBRARY_PATH}")
108 foreach(lang ${languages})
109 foreach(cmd ${CMAKE_${lang}_CREATE_STATIC_LIBRARY})
110 list(APPEND CMAKE_${lang}_CREATE_STATIC_LIBRARY_NEW
111 "${dyld_envar} ${cmd}")
113 set(CMAKE_${lang}_CREATE_STATIC_LIBRARY
114 ${CMAKE_${lang}_CREATE_STATIC_LIBRARY_NEW})
119 # Side-by-side subprojects layout: automatically set the
120 # LLVM_EXTERNAL_${project}_SOURCE_DIR using LLVM_ALL_PROJECTS
121 # This allows an easy way of setting up a build directory for llvm and another
122 # one for llvm+clang+... using the same sources.
123 set(LLVM_ALL_PROJECTS "clang;libcxx;libcxxabi;lldb;compiler-rt;lld;polly")
124 set(LLVM_ENABLE_PROJECTS "" CACHE STRING
125 "Semicolon-separated list of projects to build (${LLVM_ALL_PROJECTS}), or \"all\".")
126 if( LLVM_ENABLE_PROJECTS STREQUAL "all" )
127 set( LLVM_ENABLE_PROJECTS ${LLVM_ALL_PROJECTS})
129 foreach(proj ${LLVM_ENABLE_PROJECTS})
130 set(PROJ_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../${proj}")
131 if(NOT EXISTS "${PROJ_DIR}" OR NOT IS_DIRECTORY "${PROJ_DIR}")
132 message(FATAL_ERROR "LLVM_ENABLE_PROJECTS requests ${proj} but directory not found: ${PROJ_DIR}")
134 string(TOUPPER "${proj}" upper_proj)
135 STRING(REGEX REPLACE "-" "_" upper_proj ${upper_proj})
136 set(LLVM_EXTERNAL_${upper_proj}_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../${proj}")
137 # There is a widely spread opinion that clang-tools-extra should be merged
138 # into clang. The following simulates it by always enabling clang-tools-extra
139 # when enabling clang.
140 if (proj STREQUAL "clang")
141 set(LLVM_EXTERNAL_CLANG_TOOLS_EXTRA_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../clang-tools-extra")
145 # Build llvm with ccache if the package is present
146 set(LLVM_CCACHE_BUILD OFF CACHE BOOL "Set to ON for a ccache enabled build")
147 if(LLVM_CCACHE_BUILD)
148 find_program(CCACHE_PROGRAM ccache)
150 set(LLVM_CCACHE_SIZE "" CACHE STRING "Size of ccache")
151 set(LLVM_CCACHE_DIR "" CACHE STRING "Directory to keep ccached data")
152 set(CCACHE_PROGRAM "CCACHE_CPP2=yes CCACHE_HASHDIR=yes ${CCACHE_PROGRAM}")
153 if (LLVM_CCACHE_SIZE)
154 set(CCACHE_PROGRAM "CCACHE_SIZE=${LLVM_CCACHE_SIZE} ${CCACHE_PROGRAM}")
157 set(CCACHE_PROGRAM "CCACHE_DIR=${LLVM_CCACHE_DIR} ${CCACHE_PROGRAM}")
159 set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ${CCACHE_PROGRAM})
161 message(FATAL_ERROR "Unable to find the program ccache. Set LLVM_CCACHE_BUILD to OFF")
165 option(LLVM_DEPENDENCY_DEBUGGING "Dependency debugging mode to verify correctly expressed library dependencies (Darwin only)" OFF)
167 # Some features of the LLVM build may be disallowed when dependency debugging is
168 # enabled. In particular you cannot use ccache because we want to force compile
169 # operations to always happen.
170 if(LLVM_DEPENDENCY_DEBUGGING)
171 if(NOT CMAKE_HOST_APPLE)
172 message(FATAL_ERROR "Dependency debugging is only currently supported on Darwin hosts.")
174 if(LLVM_CCACHE_BUILD)
175 message(FATAL_ERROR "Cannot enable dependency debugging while using ccache.")
179 option(LLVM_BUILD_GLOBAL_ISEL "Experimental: Build GlobalISel" ON)
180 if(LLVM_BUILD_GLOBAL_ISEL)
181 add_definitions(-DLLVM_BUILD_GLOBAL_ISEL)
184 option(LLVM_ENABLE_DAGISEL_COV "Debug: Prints tablegen patterns that were used for selecting" OFF)
186 # Add path for custom modules
187 set(CMAKE_MODULE_PATH
189 "${CMAKE_CURRENT_SOURCE_DIR}/cmake"
190 "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules"
193 # Generate a CompilationDatabase (compile_commands.json file) for our build,
194 # for use by clang_complete, YouCompleteMe, etc.
195 set(CMAKE_EXPORT_COMPILE_COMMANDS 1)
197 option(LLVM_INSTALL_UTILS "Include utility binaries in the 'install' target." OFF)
199 option(LLVM_INSTALL_TOOLCHAIN_ONLY "Only include toolchain files in the 'install' target." OFF)
201 option(LLVM_USE_FOLDERS "Enable solution folders in Visual Studio. Disable for Express versions." ON)
202 if ( LLVM_USE_FOLDERS )
203 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
206 include(VersionFromVCS)
208 option(LLVM_APPEND_VC_REV
209 "Append the version control system revision id to LLVM version" OFF)
211 if( LLVM_APPEND_VC_REV )
212 add_version_info_from_vcs(PACKAGE_VERSION)
215 set(PACKAGE_NAME LLVM)
216 set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
217 set(PACKAGE_BUGREPORT "http://llvm.org/bugs/")
219 set(BUG_REPORT_URL "${PACKAGE_BUGREPORT}" CACHE STRING
220 "Default URL where bug reports are to be submitted.")
223 set(CPACK_PACKAGE_INSTALL_DIRECTORY "LLVM")
224 set(CPACK_PACKAGE_VENDOR "LLVM")
225 set(CPACK_PACKAGE_VERSION_MAJOR ${LLVM_VERSION_MAJOR})
226 set(CPACK_PACKAGE_VERSION_MINOR ${LLVM_VERSION_MINOR})
227 set(CPACK_PACKAGE_VERSION_PATCH ${LLVM_VERSION_PATCH})
228 set(CPACK_PACKAGE_VERSION ${PACKAGE_VERSION})
229 set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE.TXT")
230 set(CPACK_NSIS_COMPRESSOR "/SOLID lzma \r\n SetCompressorDictSize 32")
231 if(WIN32 AND NOT UNIX)
232 set(CPACK_PACKAGE_INSTALL_REGISTRY_KEY "LLVM")
233 set(CPACK_PACKAGE_ICON "${CMAKE_CURRENT_SOURCE_DIR}\\\\cmake\\\\nsis_logo.bmp")
234 set(CPACK_NSIS_MUI_ICON "${CMAKE_CURRENT_SOURCE_DIR}\\\\cmake\\\\nsis_icon.ico")
235 set(CPACK_NSIS_MUI_UNIICON "${CMAKE_CURRENT_SOURCE_DIR}\\\\cmake\\\\nsis_icon.ico")
236 set(CPACK_NSIS_MODIFY_PATH "ON")
237 set(CPACK_NSIS_ENABLE_UNINSTALL_BEFORE_INSTALL "ON")
238 set(CPACK_NSIS_EXTRA_INSTALL_COMMANDS
239 "ExecWait '$INSTDIR/tools/msbuild/install.bat'")
240 set(CPACK_NSIS_EXTRA_UNINSTALL_COMMANDS
241 "ExecWait '$INSTDIR/tools/msbuild/uninstall.bat'")
243 set(CPACK_NSIS_INSTALL_ROOT "$PROGRAMFILES64")
248 # Sanity check our source directory to make sure that we are not trying to
249 # generate an in-tree build (unless on MSVC_IDE, where it is ok), and to make
250 # sure that we don't have any stray generated files lying around in the tree
251 # (which would end up getting picked up by header search, instead of the correct
253 if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE )
254 message(FATAL_ERROR "In-source builds are not allowed.
255 CMake would overwrite the makefiles distributed with LLVM.
256 Please create a directory and run cmake from there, passing the path
257 to this source directory as the last argument.
258 This process created the file `CMakeCache.txt' and the directory `CMakeFiles'.
259 Please delete them.")
261 if( NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR )
263 tablegenned_files_on_include_dir
264 "${CMAKE_CURRENT_SOURCE_DIR}/include/llvm/*.gen")
266 tablegenned_files_on_lib_dir
267 "${CMAKE_CURRENT_SOURCE_DIR}/lib/Target/*.inc")
268 if( tablegenned_files_on_include_dir OR tablegenned_files_on_lib_dir)
269 message(FATAL_ERROR "Apparently there is a previous in-source build,
270 probably as the result of running `configure' and `make' on
271 ${CMAKE_CURRENT_SOURCE_DIR}.
272 This may cause problems. The suspicious files are:
273 ${tablegenned_files_on_lib_dir}
274 ${tablegenned_files_on_include_dir}
275 Please clean the source directory.")
279 string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE)
281 if (CMAKE_BUILD_TYPE AND
282 NOT uppercase_CMAKE_BUILD_TYPE MATCHES "^(DEBUG|RELEASE|RELWITHDEBINFO|MINSIZEREL)$")
283 message(FATAL_ERROR "Invalid value for CMAKE_BUILD_TYPE: ${CMAKE_BUILD_TYPE}")
286 set(LLVM_LIBDIR_SUFFIX "" CACHE STRING "Define suffix of library directory name (32/64)" )
288 set(LLVM_TOOLS_INSTALL_DIR "bin" CACHE STRING "Path for binary subdirectory (defaults to 'bin')")
289 mark_as_advanced(LLVM_TOOLS_INSTALL_DIR)
291 # They are used as destination of target generators.
292 set(LLVM_RUNTIME_OUTPUT_INTDIR ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/bin)
293 set(LLVM_LIBRARY_OUTPUT_INTDIR ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib${LLVM_LIBDIR_SUFFIX})
295 # DLL platform -- put DLLs into bin.
296 set(LLVM_SHLIB_OUTPUT_INTDIR ${LLVM_RUNTIME_OUTPUT_INTDIR})
298 set(LLVM_SHLIB_OUTPUT_INTDIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
301 # Each of them corresponds to llvm-config's.
302 set(LLVM_TOOLS_BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR}) # --bindir
303 set(LLVM_LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}) # --libdir
304 set(LLVM_MAIN_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR} ) # --src-root
305 set(LLVM_MAIN_INCLUDE_DIR ${LLVM_MAIN_SRC_DIR}/include ) # --includedir
306 set(LLVM_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR} ) # --prefix
308 # Note: LLVM_CMAKE_PATH does not include generated files
309 set(LLVM_CMAKE_PATH ${LLVM_MAIN_SRC_DIR}/cmake/modules)
310 set(LLVM_EXAMPLES_BINARY_DIR ${LLVM_BINARY_DIR}/examples)
311 set(LLVM_INCLUDE_DIR ${CMAKE_CURRENT_BINARY_DIR}/include)
331 # List of targets with JIT support:
332 set(LLVM_TARGETS_WITH_JIT X86 PowerPC AArch64 ARM Mips SystemZ)
334 set(LLVM_TARGETS_TO_BUILD "all"
335 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
337 set(LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ""
338 CACHE STRING "Semicolon-separated list of experimental targets to build.")
340 option(BUILD_SHARED_LIBS
341 "Build all libraries as shared libraries instead of static" OFF)
343 option(LLVM_ENABLE_BACKTRACES "Enable embedding backtraces on crash." ON)
344 if(LLVM_ENABLE_BACKTRACES)
345 set(ENABLE_BACKTRACES 1)
348 option(LLVM_ENABLE_CRASH_OVERRIDES "Enable crash overrides." ON)
349 if(LLVM_ENABLE_CRASH_OVERRIDES)
350 set(ENABLE_CRASH_OVERRIDES 1)
353 option(LLVM_ENABLE_FFI "Use libffi to call external functions from the interpreter" OFF)
354 set(FFI_LIBRARY_DIR "" CACHE PATH "Additional directory, where CMake should search for libffi.so")
355 set(FFI_INCLUDE_DIR "" CACHE PATH "Additional directory, where CMake should search for ffi.h or ffi/ffi.h")
357 set(LLVM_TARGET_ARCH "host"
358 CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.")
360 option(LLVM_ENABLE_TERMINFO "Use terminfo database if available." ON)
362 option(LLVM_ENABLE_LIBEDIT "Use libedit if available." ON)
364 option(LLVM_ENABLE_THREADS "Use threads if available." ON)
366 option(LLVM_ENABLE_ZLIB "Use zlib for compression/decompression if available." ON)
368 if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
369 set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
372 set(LLVM_TARGETS_TO_BUILD
373 ${LLVM_TARGETS_TO_BUILD}
374 ${LLVM_EXPERIMENTAL_TARGETS_TO_BUILD})
375 list(REMOVE_DUPLICATES LLVM_TARGETS_TO_BUILD)
377 option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON)
378 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON)
379 option(LLVM_ENABLE_MODULES "Compile with C++ modules enabled." OFF)
380 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
381 option(LLVM_ENABLE_MODULE_DEBUGGING "Compile with -gmodules." ON)
382 option(LLVM_ENABLE_LOCAL_SUBMODULE_VISIBILITY "Compile with -fmodules-local-submodule-visibility." OFF)
384 option(LLVM_ENABLE_MODULE_DEBUGGING "Compile with -gmodules." OFF)
385 option(LLVM_ENABLE_LOCAL_SUBMODULE_VISIBILITY "Compile with -fmodules-local-submodule-visibility." ON)
387 option(LLVM_ENABLE_CXX1Y "Compile with C++1y enabled." OFF)
388 option(LLVM_ENABLE_LIBCXX "Use libc++ if available." OFF)
389 option(LLVM_ENABLE_LLD "Use lld as C and C++ linker." OFF)
390 option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
391 option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
393 if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG" )
394 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
396 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
399 option(LLVM_ENABLE_EXPENSIVE_CHECKS "Enable expensive checks" OFF)
401 set(LLVM_ABI_BREAKING_CHECKS "WITH_ASSERTS" CACHE STRING
402 "Enable abi-breaking checks. Can be WITH_ASSERTS, FORCE_ON or FORCE_OFF.")
404 option(LLVM_FORCE_USE_OLD_HOST_TOOLCHAIN
405 "Set to ON to force using an old, unsupported host toolchain." OFF)
407 option(LLVM_USE_INTEL_JITEVENTS
408 "Use Intel JIT API to inform Intel(R) VTune(TM) Amplifier XE 2011 about JIT code"
411 if( LLVM_USE_INTEL_JITEVENTS )
412 # Verify we are on a supported platform
413 if( NOT CMAKE_SYSTEM_NAME MATCHES "Windows" AND NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
415 "Intel JIT API support is available on Linux and Windows only.")
417 endif( LLVM_USE_INTEL_JITEVENTS )
419 option(LLVM_USE_OPROFILE
420 "Use opagent JIT interface to inform OProfile about JIT code" OFF)
422 option(LLVM_EXTERNALIZE_DEBUGINFO
423 "Generate dSYM files and strip executables and libraries (Darwin Only)" OFF)
425 # If enabled, verify we are on a platform that supports oprofile.
426 if( LLVM_USE_OPROFILE )
427 if( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
428 message(FATAL_ERROR "OProfile support is available on Linux only.")
429 endif( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
430 endif( LLVM_USE_OPROFILE )
432 set(LLVM_USE_SANITIZER "" CACHE STRING
433 "Define the sanitizer used to build binaries and tests.")
435 option(LLVM_USE_SPLIT_DWARF
436 "Use -gsplit-dwarf when compiling llvm." OFF)
438 option(LLVM_POLLY_LINK_INTO_TOOLS "Statically link Polly into tools (if available)" ON)
439 option(LLVM_POLLY_BUILD "Build LLVM with Polly" ON)
441 if (EXISTS ${LLVM_MAIN_SRC_DIR}/tools/polly/CMakeLists.txt)
442 set(POLLY_IN_TREE TRUE)
443 elseif(LLVM_EXTERNAL_POLLY_SOURCE_DIR)
444 set(POLLY_IN_TREE TRUE)
446 set(POLLY_IN_TREE FALSE)
449 if (LLVM_POLLY_BUILD AND POLLY_IN_TREE)
455 if (LLVM_POLLY_LINK_INTO_TOOLS AND WITH_POLLY)
456 set(LINK_POLLY_INTO_TOOLS ON)
458 set(LINK_POLLY_INTO_TOOLS OFF)
461 # Define an option controlling whether we should build for 32-bit on 64-bit
462 # platforms, where supported.
463 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
464 # TODO: support other platforms and toolchains.
465 option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
468 # Define the default arguments to use with 'lit', and an option for the user to
470 set(LIT_ARGS_DEFAULT "-sv")
471 if (MSVC_IDE OR XCODE)
472 set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
474 set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit")
476 # On Win32 hosts, provide an option to specify the path to the GnuWin32 tools.
477 if( WIN32 AND NOT CYGWIN )
478 set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools")
481 # Define options to control the inclusion and default build behavior for
482 # components which may not strictly be necessary (tools, examples, and tests).
484 # This is primarily to support building smaller or faster project files.
485 option(LLVM_INCLUDE_TOOLS "Generate build targets for the LLVM tools." ON)
486 option(LLVM_BUILD_TOOLS
487 "Build the LLVM tools. If OFF, just generate build targets." ON)
489 option(LLVM_INCLUDE_UTILS "Generate build targets for the LLVM utils." ON)
490 option(LLVM_BUILD_UTILS
491 "Build LLVM utility binaries. If OFF, just generate build targets." ON)
493 option(LLVM_INCLUDE_RUNTIMES "Generate build targets for the LLVM runtimes." ON)
494 option(LLVM_BUILD_RUNTIMES
495 "Build the LLVM runtimes. If OFF, just generate build targets." ON)
497 option(LLVM_BUILD_RUNTIME
498 "Build the LLVM runtime libraries." ON)
499 option(LLVM_BUILD_EXAMPLES
500 "Build the LLVM example programs. If OFF, just generate build targets." OFF)
501 option(LLVM_INCLUDE_EXAMPLES "Generate build targets for the LLVM examples" ON)
503 option(LLVM_BUILD_TESTS
504 "Build LLVM unit tests. If OFF, just generate build targets." OFF)
505 option(LLVM_INCLUDE_TESTS "Generate build targets for the LLVM unit tests." ON)
506 option(LLVM_INCLUDE_GO_TESTS "Include the Go bindings tests in test build targets." ON)
508 option (LLVM_BUILD_DOCS "Build the llvm documentation." OFF)
509 option (LLVM_INCLUDE_DOCS "Generate build targets for llvm documentation." ON)
510 option (LLVM_ENABLE_DOXYGEN "Use doxygen to generate llvm API documentation." OFF)
511 option (LLVM_ENABLE_SPHINX "Use Sphinx to generate llvm documentation." OFF)
512 option (LLVM_ENABLE_OCAMLDOC "Build OCaml bindings documentation." ON)
514 set(LLVM_INSTALL_DOXYGEN_HTML_DIR "share/doc/llvm/doxygen-html"
515 CACHE STRING "Doxygen-generated HTML documentation install directory")
516 set(LLVM_INSTALL_OCAMLDOC_HTML_DIR "share/doc/llvm/ocaml-html"
517 CACHE STRING "OCamldoc-generated HTML documentation install directory")
519 option (LLVM_BUILD_EXTERNAL_COMPILER_RT
520 "Build compiler-rt as an external project." OFF)
522 option (LLVM_VERSION_PRINTER_SHOW_HOST_TARGET_INFO
523 "Show target and host info when tools are invoked with --version." ON)
525 # You can configure which libraries from LLVM you want to include in the
526 # shared library by setting LLVM_DYLIB_COMPONENTS to a semi-colon delimited
527 # list of LLVM components. All component names handled by llvm-config are valid.
528 if(NOT DEFINED LLVM_DYLIB_COMPONENTS)
529 set(LLVM_DYLIB_COMPONENTS "all" CACHE STRING
530 "Semicolon-separated list of components to include in libLLVM, or \"all\".")
532 option(LLVM_LINK_LLVM_DYLIB "Link tools against the libllvm dynamic library" OFF)
533 option(LLVM_BUILD_LLVM_C_DYLIB "Build libllvm-c re-export library (Darwin Only)" OFF)
534 set(LLVM_BUILD_LLVM_DYLIB_default OFF)
535 if(LLVM_LINK_LLVM_DYLIB OR LLVM_BUILD_LLVM_C_DYLIB)
536 set(LLVM_BUILD_LLVM_DYLIB_default ON)
538 option(LLVM_BUILD_LLVM_DYLIB "Build libllvm dynamic library" ${LLVM_BUILD_LLVM_DYLIB_default})
540 option(LLVM_DYLIB_SYMBOL_VERSIONING OFF)
542 option(LLVM_OPTIMIZED_TABLEGEN "Force TableGen to be built with optimization" OFF)
543 if(CMAKE_CROSSCOMPILING OR (LLVM_OPTIMIZED_TABLEGEN AND (LLVM_ENABLE_ASSERTIONS OR CMAKE_CONFIGURATION_TYPES)))
544 set(LLVM_USE_HOST_TOOLS ON)
547 if (MSVC_IDE AND NOT (MSVC_VERSION LESS 1900))
548 option(LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION "Configure project to use Visual Studio native visualizers" TRUE)
550 set(LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION FALSE CACHE INTERNAL "For Visual Studio 2013, manually copy natvis files to Documents\\Visual Studio 2013\\Visualizers" FORCE)
553 if (LLVM_BUILD_INSTRUMENTED OR LLVM_BUILD_INSTRUMENTED_COVERAGE)
554 if(NOT LLVM_PROFILE_MERGE_POOL_SIZE)
555 # A pool size of 1-2 is probably sufficient on a SSD. 3-4 should be fine
556 # for spining disks. Anything higher may only help on slower mediums.
557 set(LLVM_PROFILE_MERGE_POOL_SIZE "4")
559 if(NOT LLVM_PROFILE_FILE_PATTERN)
560 if(NOT LLVM_PROFILE_DATA_DIR)
561 file(TO_NATIVE_PATH "${LLVM_BINARY_DIR}/profiles/%${LLVM_PROFILE_MERGE_POOL_SIZE}m.profraw" LLVM_PROFILE_FILE_PATTERN)
563 file(TO_NATIVE_PATH "${LLVM_PROFILE_DATA_DIR}/%${LLVM_PROFILE_MERGE_POOL_SIZE}m.profraw" LLVM_PROFILE_FILE_PATTERN)
568 if (LLVM_BUILD_STATIC)
569 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static")
572 # All options referred to from HandleLLVMOptions have to be specified
573 # BEFORE this include, otherwise options will not be correctly set on
577 string(REPLACE "Native" ${LLVM_NATIVE_ARCH}
578 LLVM_TARGETS_TO_BUILD "${LLVM_TARGETS_TO_BUILD}")
579 list(REMOVE_DUPLICATES LLVM_TARGETS_TO_BUILD)
581 # By default, we target the host, but this can be overridden at CMake
583 set(LLVM_DEFAULT_TARGET_TRIPLE "${LLVM_HOST_TRIPLE}" CACHE STRING
584 "Default target for which LLVM will generate code." )
585 set(TARGET_TRIPLE "${LLVM_DEFAULT_TARGET_TRIPLE}")
586 message(STATUS "LLVM host triple: ${LLVM_HOST_TRIPLE}")
587 message(STATUS "LLVM default target triple: ${LLVM_DEFAULT_TARGET_TRIPLE}")
589 include(HandleLLVMOptions)
591 # Verify that we can find a Python 2 interpreter. Python 3 is unsupported.
592 # FIXME: We should support systems with only Python 3, but that requires work
594 set(Python_ADDITIONAL_VERSIONS 2.7)
595 include(FindPythonInterp)
596 if( NOT PYTHONINTERP_FOUND )
598 "Unable to find Python interpreter, required for builds and testing.
600 Please install Python or specify the PYTHON_EXECUTABLE CMake variable.")
603 if( ${PYTHON_VERSION_STRING} VERSION_LESS 2.7 )
604 message(FATAL_ERROR "Python 2.7 or newer is required")
608 # LLVMBuild Integration
610 # We use llvm-build to generate all the data required by the CMake based
611 # build system in one swoop:
613 # - We generate a file (a CMake fragment) in the object root which contains
614 # all the definitions that are required by CMake.
616 # - We generate the library table used by llvm-config.
618 # - We generate the dependencies for the CMake fragment, so that we will
619 # automatically reconfigure outselves.
621 set(LLVMBUILDTOOL "${LLVM_MAIN_SRC_DIR}/utils/llvm-build/llvm-build")
622 set(LLVMCONFIGLIBRARYDEPENDENCIESINC
623 "${LLVM_BINARY_DIR}/tools/llvm-config/LibraryDependencies.inc")
624 set(LLVMBUILDCMAKEFRAG
625 "${LLVM_BINARY_DIR}/LLVMBuild.cmake")
627 # Create the list of optional components that are enabled
628 if (LLVM_USE_INTEL_JITEVENTS)
629 set(LLVMOPTIONALCOMPONENTS IntelJITEvents)
630 endif (LLVM_USE_INTEL_JITEVENTS)
631 if (LLVM_USE_OPROFILE)
632 set(LLVMOPTIONALCOMPONENTS ${LLVMOPTIONALCOMPONENTS} OProfileJIT)
633 endif (LLVM_USE_OPROFILE)
635 message(STATUS "Constructing LLVMBuild project information")
637 COMMAND ${PYTHON_EXECUTABLE} -B ${LLVMBUILDTOOL}
638 --native-target "${LLVM_NATIVE_ARCH}"
639 --enable-targets "${LLVM_TARGETS_TO_BUILD}"
640 --enable-optional-components "${LLVMOPTIONALCOMPONENTS}"
641 --write-library-table ${LLVMCONFIGLIBRARYDEPENDENCIESINC}
642 --write-cmake-fragment ${LLVMBUILDCMAKEFRAG}
643 OUTPUT_VARIABLE LLVMBUILDOUTPUT
644 ERROR_VARIABLE LLVMBUILDERRORS
645 OUTPUT_STRIP_TRAILING_WHITESPACE
646 ERROR_STRIP_TRAILING_WHITESPACE
647 RESULT_VARIABLE LLVMBUILDRESULT)
649 # On Win32, CMake doesn't properly handle piping the default output/error
650 # streams into the GUI console. So, we explicitly catch and report them.
651 if( NOT "${LLVMBUILDOUTPUT}" STREQUAL "")
652 message(STATUS "llvm-build output: ${LLVMBUILDOUTPUT}")
654 if( NOT "${LLVMBUILDRESULT}" STREQUAL "0" )
656 "Unexpected failure executing llvm-build: ${LLVMBUILDERRORS}")
659 # Include the generated CMake fragment. This will define properties from the
660 # LLVMBuild files in a format which is easy to consume from CMake, and will add
661 # the dependencies so that CMake will reconfigure properly when the LLVMBuild
663 include(${LLVMBUILDCMAKEFRAG})
667 # Configure all of the various header file fragments LLVM uses which depend on
668 # configuration variables.
669 set(LLVM_ENUM_TARGETS "")
670 set(LLVM_ENUM_ASM_PRINTERS "")
671 set(LLVM_ENUM_ASM_PARSERS "")
672 set(LLVM_ENUM_DISASSEMBLERS "")
673 foreach(t ${LLVM_TARGETS_TO_BUILD})
674 set( td ${LLVM_MAIN_SRC_DIR}/lib/Target/${t} )
676 list(FIND LLVM_ALL_TARGETS ${t} idx)
677 list(FIND LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ${t} idy)
678 if( idx LESS 0 AND idy LESS 0 )
679 message(FATAL_ERROR "The target `${t}' does not exist.
680 It should be one of\n${LLVM_ALL_TARGETS}")
682 set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${t})\n")
685 file(GLOB asmp_file "${td}/*AsmPrinter.cpp")
687 set(LLVM_ENUM_ASM_PRINTERS
688 "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n")
690 if( EXISTS ${td}/AsmParser/CMakeLists.txt )
691 set(LLVM_ENUM_ASM_PARSERS
692 "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n")
694 if( EXISTS ${td}/Disassembler/CMakeLists.txt )
695 set(LLVM_ENUM_DISASSEMBLERS
696 "${LLVM_ENUM_DISASSEMBLERS}LLVM_DISASSEMBLER(${t})\n")
700 # Produce the target definition files, which provide a way for clients to easily
701 # include various classes of targets.
703 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in
704 ${LLVM_INCLUDE_DIR}/llvm/Config/AsmPrinters.def
707 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in
708 ${LLVM_INCLUDE_DIR}/llvm/Config/AsmParsers.def
711 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Disassemblers.def.in
712 ${LLVM_INCLUDE_DIR}/llvm/Config/Disassemblers.def
715 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in
716 ${LLVM_INCLUDE_DIR}/llvm/Config/Targets.def
719 # Configure the three LLVM configuration header files.
721 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/config.h.cmake
722 ${LLVM_INCLUDE_DIR}/llvm/Config/config.h)
724 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/llvm-config.h.cmake
725 ${LLVM_INCLUDE_DIR}/llvm/Config/llvm-config.h)
727 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/abi-breaking.h.cmake
728 ${LLVM_INCLUDE_DIR}/llvm/Config/abi-breaking.h)
730 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Support/DataTypes.h.cmake
731 ${LLVM_INCLUDE_DIR}/llvm/Support/DataTypes.h)
733 # Add target for generating source rpm package.
734 set(LLVM_SRPM_USER_BINARY_SPECFILE ${CMAKE_CURRENT_SOURCE_DIR}/llvm.spec.in
735 CACHE FILEPATH ".spec file to use for srpm generation")
736 set(LLVM_SRPM_BINARY_SPECFILE ${CMAKE_CURRENT_BINARY_DIR}/llvm.spec)
737 set(LLVM_SRPM_DIR "${CMAKE_CURRENT_BINARY_DIR}/srpm")
739 # SVN_REVISION and GIT_COMMIT get set by the call to add_version_info_from_vcs.
740 # DUMMY_VAR contains a version string which we don't care about.
741 add_version_info_from_vcs(DUMMY_VAR)
743 set(LLVM_RPM_SPEC_REVISION "r${SVN_REVISION}")
744 elseif ( GIT_COMMIT )
745 set (LLVM_RPM_SPEC_REVISION "g${GIT_COMMIT}")
749 ${LLVM_SRPM_USER_BINARY_SPECFILE}
750 ${LLVM_SRPM_BINARY_SPECFILE} @ONLY)
752 add_custom_target(srpm
753 COMMAND cpack -G TGZ --config CPackSourceConfig.cmake -B ${LLVM_SRPM_DIR}/SOURCES
754 COMMAND rpmbuild -bs --define '_topdir ${LLVM_SRPM_DIR}' ${LLVM_SRPM_BINARY_SPECFILE})
757 # They are not referenced. See set_output_directory().
758 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/bin )
759 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} )
760 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} )
762 if(APPLE AND DARWIN_LTO_LIBRARY)
763 set(CMAKE_EXE_LINKER_FLAGS
764 "${CMAKE_EXE_LINKER_FLAGS} -Wl,-lto_library -Wl,${DARWIN_LTO_LIBRARY}")
765 set(CMAKE_SHARED_LINKER_FLAGS
766 "${CMAKE_SHARED_LINKER_FLAGS} -Wl,-lto_library -Wl,${DARWIN_LTO_LIBRARY}")
767 set(CMAKE_MODULE_LINKER_FLAGS
768 "${CMAKE_MODULE_LINKER_FLAGS} -Wl,-lto_library -Wl,${DARWIN_LTO_LIBRARY}")
771 # Work around a broken bfd ld behavior. When linking a binary with a
772 # foo.so library, it will try to find any library that foo.so uses and
773 # check its symbols. This is wasteful (the check was done when foo.so
774 # was created) and can fail since it is not the dynamic linker and
775 # doesn't know how to handle search paths correctly.
776 if (UNIX AND NOT APPLE AND NOT ${CMAKE_SYSTEM_NAME} MATCHES "SunOS|AIX")
777 set(CMAKE_EXE_LINKER_FLAGS
778 "${CMAKE_EXE_LINKER_FLAGS} -Wl,-allow-shlib-undefined")
781 set(CMAKE_INCLUDE_CURRENT_DIR ON)
783 include_directories( ${LLVM_INCLUDE_DIR} ${LLVM_MAIN_INCLUDE_DIR})
785 # when crosscompiling import the executable targets from a file
786 if(LLVM_USE_HOST_TOOLS)
787 include(CrossCompile)
788 endif(LLVM_USE_HOST_TOOLS)
789 if(LLVM_TARGET_IS_CROSSCOMPILE_HOST)
790 # Dummy use to avoid CMake Wraning: Manually-specified variables were not used
791 # (this is a variable that CrossCompile sets on recursive invocations)
794 if(${CMAKE_SYSTEM_NAME} MATCHES "(FreeBSD|DragonFly)")
795 # On FreeBSD, /usr/local/* is not used by default. In order to build LLVM
796 # with libxml2, iconv.h, etc., we must add /usr/local paths.
797 include_directories("/usr/local/include")
798 link_directories("/usr/local/lib")
799 endif(${CMAKE_SYSTEM_NAME} MATCHES "(FreeBSD|DragonFly)")
801 if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
802 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -include llvm/Support/Solaris.h")
803 endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
805 # Make sure we don't get -rdynamic in every binary. For those that need it,
806 # use export_executable_symbols(target).
807 set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "")
809 set(LLVM_PROFDATA_FILE "" CACHE FILEPATH
810 "Profiling data file to use when compiling in order to improve runtime performance.")
812 if(LLVM_PROFDATA_FILE AND EXISTS ${LLVM_PROFDATA_FILE})
813 if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" )
814 add_definitions("-fprofile-instr-use=${LLVM_PROFDATA_FILE}")
816 message(FATAL_ERROR "LLVM_PROFDATA_FILE can only be specified when compiling with clang")
824 # People report that -O3 is unreliable on MinGW. The traditional
825 # build also uses -O2 for that reason:
826 llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2")
829 # Put this before tblgen. Else we have a circular dependence.
830 add_subdirectory(lib/Demangle)
831 add_subdirectory(lib/Support)
832 add_subdirectory(lib/TableGen)
834 add_subdirectory(utils/TableGen)
836 # Force target to be built as soon as possible. Clang modules builds depend
837 # header-wise on it as they ship all headers from the umbrella folders. Building
838 # an entire module might include header, which depends on intrinsics_gen. This
839 # should be right after LLVMSupport and LLVMTableGen otherwise we introduce a
840 # circular dependence.
841 if (LLVM_ENABLE_MODULES)
842 list(APPEND LLVM_COMMON_DEPENDS intrinsics_gen)
843 endif(LLVM_ENABLE_MODULES)
845 add_subdirectory(include/llvm)
847 add_subdirectory(lib)
849 if( LLVM_INCLUDE_UTILS )
850 add_subdirectory(utils/FileCheck)
851 add_subdirectory(utils/PerfectShuffle)
852 add_subdirectory(utils/count)
853 add_subdirectory(utils/not)
854 add_subdirectory(utils/llvm-lit)
855 add_subdirectory(utils/yaml-bench)
856 add_subdirectory(utils/unittest)
858 if ( LLVM_INCLUDE_TESTS )
859 message(FATAL_ERROR "Including tests when not building utils will not work.
860 Either set LLVM_INCLUDE_UTILS to On, or set LLVM_INCLDE_TESTS to Off.")
864 # Use LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION instead of LLVM_INCLUDE_UTILS because it is not really a util
865 if (LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION)
866 add_subdirectory(utils/LLVMVisualizers)
869 foreach( binding ${LLVM_BINDINGS_LIST} )
870 if( EXISTS "${LLVM_MAIN_SRC_DIR}/bindings/${binding}/CMakeLists.txt" )
871 add_subdirectory(bindings/${binding})
875 add_subdirectory(projects)
877 if( LLVM_INCLUDE_TOOLS )
878 add_subdirectory(tools)
881 if( LLVM_INCLUDE_RUNTIMES )
882 add_subdirectory(runtimes)
885 if( LLVM_INCLUDE_EXAMPLES )
886 add_subdirectory(examples)
889 if( LLVM_INCLUDE_TESTS )
890 if(EXISTS ${LLVM_MAIN_SRC_DIR}/projects/test-suite AND TARGET clang)
891 include(LLVMExternalProjectUtils)
892 llvm_ExternalProject_Add(test-suite ${LLVM_MAIN_SRC_DIR}/projects/test-suite
898 add_subdirectory(test)
899 add_subdirectory(unittests)
901 # This utility is used to prevent crashing tests from calling Dr. Watson on
903 add_subdirectory(utils/KillTheDoctor)
906 # Add a global check rule now that all subdirectories have been traversed
907 # and we know the total set of lit testsuites.
908 get_property(LLVM_LIT_TESTSUITES GLOBAL PROPERTY LLVM_LIT_TESTSUITES)
909 get_property(LLVM_LIT_PARAMS GLOBAL PROPERTY LLVM_LIT_PARAMS)
910 get_property(LLVM_LIT_DEPENDS GLOBAL PROPERTY LLVM_LIT_DEPENDS)
911 get_property(LLVM_LIT_EXTRA_ARGS GLOBAL PROPERTY LLVM_LIT_EXTRA_ARGS)
912 get_property(LLVM_ADDITIONAL_TEST_TARGETS
913 GLOBAL PROPERTY LLVM_ADDITIONAL_TEST_TARGETS)
914 get_property(LLVM_ADDITIONAL_TEST_DEPENDS
915 GLOBAL PROPERTY LLVM_ADDITIONAL_TEST_DEPENDS)
916 add_lit_target(check-all
917 "Running all regression tests"
918 ${LLVM_LIT_TESTSUITES}
919 PARAMS ${LLVM_LIT_PARAMS}
920 DEPENDS ${LLVM_LIT_DEPENDS} ${LLVM_ADDITIONAL_TEST_TARGETS}
921 ARGS ${LLVM_LIT_EXTRA_ARGS}
923 if(TARGET check-runtimes)
924 add_dependencies(check-all check-runtimes)
926 add_custom_target(test-depends
927 DEPENDS ${LLVM_LIT_DEPENDS} ${LLVM_ADDITIONAL_TEST_DEPENDS})
928 set_target_properties(test-depends PROPERTIES FOLDER "Tests")
931 if (LLVM_INCLUDE_DOCS)
932 add_subdirectory(docs)
935 add_subdirectory(cmake/modules)
937 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
938 install(DIRECTORY include/llvm include/llvm-c
940 COMPONENT llvm-headers
946 PATTERN "LICENSE.TXT"
947 PATTERN ".svn" EXCLUDE
950 install(DIRECTORY ${LLVM_INCLUDE_DIR}/llvm
952 COMPONENT llvm-headers
958 # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
959 PATTERN "CMakeFiles" EXCLUDE
960 PATTERN "config.h" EXCLUDE
961 PATTERN ".svn" EXCLUDE
964 # Installing the headers needs to depend on generating any public
965 # tablegen'd headers.
966 add_custom_target(llvm-headers DEPENDS intrinsics_gen)
968 if (NOT CMAKE_CONFIGURATION_TYPES)
969 add_custom_target(install-llvm-headers
971 COMMAND "${CMAKE_COMMAND}"
972 -DCMAKE_INSTALL_COMPONENT=llvm-headers
973 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
977 # This must be at the end of the LLVM root CMakeLists file because it must run
978 # after all targets are created.
979 if(LLVM_DISTRIBUTION_COMPONENTS)
980 if(CMAKE_CONFIGURATION_TYPES)
981 message(FATAL_ERROR "LLVM_DISTRIBUTION_COMPONENTS cannot be specified with multi-configuration generators (i.e. Xcode or Visual Studio)")
984 add_custom_target(distribution)
985 add_custom_target(install-distribution)
986 foreach(target ${LLVM_DISTRIBUTION_COMPONENTS})
988 add_dependencies(distribution ${target})
990 message(FATAL_ERROR "Specified distribution component '${target}' doesn't have a target")
993 if(TARGET install-${target})
994 add_dependencies(install-distribution install-${target})
996 message(FATAL_ERROR "Specified distribution component '${target}' doesn't have an install target")
1001 # This allows us to deploy the Universal CRT DLLs by passing -DCMAKE_INSTALL_UCRT_LIBRARIES=ON to CMake
1003 include(InstallRequiredSystemLibraries)