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 4)
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}")
48 ${cmake_3_0_PROJ_VERSION}
49 ${cmake_3_0_LANGUAGES}
52 if (NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
53 message(STATUS "No build type selected, default to Debug")
54 set(CMAKE_BUILD_TYPE "Debug" CACHE STRING "Build type (default Debug)" FORCE)
57 # This should only apply if you are both on an Apple host, and targeting Apple.
58 if(CMAKE_HOST_APPLE AND APPLE)
60 find_program(CMAKE_XCRUN NAMES xcrun)
63 execute_process(COMMAND ${CMAKE_XCRUN} -find libtool
64 OUTPUT_VARIABLE CMAKE_LIBTOOL
65 OUTPUT_STRIP_TRAILING_WHITESPACE)
68 if(NOT CMAKE_LIBTOOL OR NOT EXISTS CMAKE_LIBTOOL)
69 find_program(CMAKE_LIBTOOL NAMES libtool)
72 get_property(languages GLOBAL PROPERTY ENABLED_LANGUAGES)
74 set(CMAKE_LIBTOOL ${CMAKE_LIBTOOL} CACHE PATH "libtool executable")
75 message(STATUS "Found libtool - ${CMAKE_LIBTOOL}")
76 foreach(lang ${languages})
77 set(CMAKE_${lang}_CREATE_STATIC_LIBRARY
78 "${CMAKE_LIBTOOL} -static -o <TARGET> <LINK_FLAGS> <OBJECTS> ")
82 # If DYLD_LIBRARY_PATH is set we need to set it on archiver commands
84 set(dyld_envar "DYLD_LIBRARY_PATH=${DYLD_LIBRARY_PATH}")
85 foreach(lang ${languages})
86 foreach(cmd ${CMAKE_${lang}_CREATE_STATIC_LIBRARY})
87 list(APPEND CMAKE_${lang}_CREATE_STATIC_LIBRARY_NEW
88 "${dyld_envar} ${cmd}")
90 set(CMAKE_${lang}_CREATE_STATIC_LIBRARY
91 ${CMAKE_${lang}_CREATE_STATIC_LIBRARY_NEW})
96 # Side-by-side subprojects layout: automatically set the
97 # LLVM_EXTERNAL_${project}_SOURCE_DIR using LLVM_ALL_PROJECTS
98 # This allows an easy way of setting up a build directory for llvm and another
99 # one for llvm+clang+... using the same sources.
100 set(LLVM_ALL_PROJECTS "clang;libcxx;libcxxabi;lldb;compiler-rt;lld;polly")
101 set(LLVM_ENABLE_PROJECTS "" CACHE STRING
102 "Semicolon-separated list of projects to build (${LLVM_ALL_PROJECTS}), or \"all\".")
103 if( LLVM_ENABLE_PROJECTS STREQUAL "all" )
104 set( LLVM_ENABLE_PROJECTS ${LLVM_ALL_PROJECTS})
106 foreach(proj ${LLVM_ENABLE_PROJECTS})
107 set(PROJ_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../${proj}")
108 if(NOT EXISTS "${PROJ_DIR}" OR NOT IS_DIRECTORY "${PROJ_DIR}")
109 message(FATAL_ERROR "LLVM_ENABLE_PROJECTS requests ${proj} but directory not found: ${PROJ_DIR}")
111 string(TOUPPER "${proj}" upper_proj)
112 set(LLVM_EXTERNAL_${upper_proj}_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../${proj}")
113 # There is a widely spread opinion that clang-tools-extra should be merged
114 # into clang. The following simulates it by always enabling clang-tools-extra
115 # when enabling clang.
116 if (proj STREQUAL "clang")
117 set(LLVM_EXTERNAL_CLANG_TOOLS_EXTRA_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../clang-tools-extra")
121 # The following only works with the Ninja generator in CMake >= 3.0.
122 set(LLVM_PARALLEL_COMPILE_JOBS "" CACHE STRING
123 "Define the maximum number of concurrent compilation jobs.")
124 if(LLVM_PARALLEL_COMPILE_JOBS)
125 if(NOT CMAKE_MAKE_PROGRAM MATCHES "ninja")
126 message(WARNING "Job pooling is only available with Ninja generators.")
128 set_property(GLOBAL APPEND PROPERTY JOB_POOLS compile_job_pool=${LLVM_PARALLEL_COMPILE_JOBS})
129 set(CMAKE_JOB_POOL_COMPILE compile_job_pool)
133 # Build llvm with ccache if the package is present
134 set(LLVM_CCACHE_BUILD OFF CACHE BOOL "Set to ON for a ccache enabled build")
135 if(LLVM_CCACHE_BUILD)
136 find_program(CCACHE_PROGRAM ccache)
138 set(LLVM_CCACHE_SIZE "" CACHE STRING "Size of ccache")
139 set(LLVM_CCACHE_DIR "" CACHE STRING "Directory to keep ccached data")
140 set(CCACHE_PROGRAM "CCACHE_CPP2=yes CCACHE_HASHDIR=yes ${CCACHE_PROGRAM}")
141 if (LLVM_CCACHE_SIZE)
142 set(CCACHE_PROGRAM "CCACHE_SIZE=${LLVM_CCACHE_SIZE} ${CCACHE_PROGRAM}")
145 set(CCACHE_PROGRAM "CCACHE_DIR=${LLVM_CCACHE_DIR} ${CCACHE_PROGRAM}")
147 set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ${CCACHE_PROGRAM})
149 message(FATAL_ERROR "Unable to find the program ccache. Set LLVM_CCACHE_BUILD to OFF")
153 option(LLVM_BUILD_GLOBAL_ISEL "Experimental: Build GlobalISel" OFF)
154 if(LLVM_BUILD_GLOBAL_ISEL)
155 add_definitions(-DLLVM_BUILD_GLOBAL_ISEL)
158 set(LLVM_PARALLEL_LINK_JOBS "" CACHE STRING
159 "Define the maximum number of concurrent link jobs.")
160 if(LLVM_PARALLEL_LINK_JOBS)
161 if(NOT CMAKE_MAKE_PROGRAM MATCHES "ninja")
162 message(WARNING "Job pooling is only available with Ninja generators.")
164 set_property(GLOBAL APPEND PROPERTY JOB_POOLS link_job_pool=${LLVM_PARALLEL_LINK_JOBS})
165 set(CMAKE_JOB_POOL_LINK link_job_pool)
169 # Add path for custom modules
170 set(CMAKE_MODULE_PATH
172 "${CMAKE_CURRENT_SOURCE_DIR}/cmake"
173 "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules"
176 # Generate a CompilationDatabase (compile_commands.json file) for our build,
177 # for use by clang_complete, YouCompleteMe, etc.
178 set(CMAKE_EXPORT_COMPILE_COMMANDS 1)
180 option(LLVM_INSTALL_UTILS "Include utility binaries in the 'install' target." OFF)
182 option(LLVM_INSTALL_TOOLCHAIN_ONLY "Only include toolchain files in the 'install' target." OFF)
184 option(LLVM_USE_FOLDERS "Enable solution folders in Visual Studio. Disable for Express versions." ON)
185 if ( LLVM_USE_FOLDERS )
186 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
189 include(VersionFromVCS)
191 option(LLVM_APPEND_VC_REV
192 "Append the version control system revision id to LLVM version" OFF)
194 if( LLVM_APPEND_VC_REV )
195 add_version_info_from_vcs(PACKAGE_VERSION)
198 set(PACKAGE_NAME LLVM)
199 set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
200 set(PACKAGE_BUGREPORT "http://llvm.org/bugs/")
202 set(BUG_REPORT_URL "${PACKAGE_BUGREPORT}" CACHE STRING
203 "Default URL where bug reports are to be submitted.")
206 set(CPACK_PACKAGE_INSTALL_DIRECTORY "LLVM")
207 set(CPACK_PACKAGE_VENDOR "LLVM")
208 set(CPACK_PACKAGE_VERSION_MAJOR ${LLVM_VERSION_MAJOR})
209 set(CPACK_PACKAGE_VERSION_MINOR ${LLVM_VERSION_MINOR})
210 set(CPACK_PACKAGE_VERSION_PATCH ${LLVM_VERSION_PATCH})
211 set(CPACK_PACKAGE_VERSION ${PACKAGE_VERSION})
212 set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE.TXT")
213 set(CPACK_NSIS_COMPRESSOR "/SOLID lzma \r\n SetCompressorDictSize 32")
214 if(WIN32 AND NOT UNIX)
215 set(CPACK_PACKAGE_INSTALL_REGISTRY_KEY "LLVM")
216 set(CPACK_PACKAGE_ICON "${CMAKE_CURRENT_SOURCE_DIR}\\\\cmake\\\\nsis_logo.bmp")
217 set(CPACK_NSIS_MUI_ICON "${CMAKE_CURRENT_SOURCE_DIR}\\\\cmake\\\\nsis_icon.ico")
218 set(CPACK_NSIS_MUI_UNIICON "${CMAKE_CURRENT_SOURCE_DIR}\\\\cmake\\\\nsis_icon.ico")
219 set(CPACK_NSIS_MODIFY_PATH "ON")
220 set(CPACK_NSIS_ENABLE_UNINSTALL_BEFORE_INSTALL "ON")
221 set(CPACK_NSIS_EXTRA_INSTALL_COMMANDS
222 "ExecWait '$INSTDIR/tools/msbuild/install.bat'")
223 set(CPACK_NSIS_EXTRA_UNINSTALL_COMMANDS
224 "ExecWait '$INSTDIR/tools/msbuild/uninstall.bat'")
226 set(CPACK_NSIS_INSTALL_ROOT "$PROGRAMFILES64")
231 # Sanity check our source directory to make sure that we are not trying to
232 # generate an in-tree build (unless on MSVC_IDE, where it is ok), and to make
233 # sure that we don't have any stray generated files lying around in the tree
234 # (which would end up getting picked up by header search, instead of the correct
236 if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE )
237 message(FATAL_ERROR "In-source builds are not allowed.
238 CMake would overwrite the makefiles distributed with LLVM.
239 Please create a directory and run cmake from there, passing the path
240 to this source directory as the last argument.
241 This process created the file `CMakeCache.txt' and the directory `CMakeFiles'.
242 Please delete them.")
244 if( NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR )
246 tablegenned_files_on_include_dir
247 "${CMAKE_CURRENT_SOURCE_DIR}/include/llvm/*.gen")
249 tablegenned_files_on_lib_dir
250 "${CMAKE_CURRENT_SOURCE_DIR}/lib/Target/*.inc")
251 if( tablegenned_files_on_include_dir OR tablegenned_files_on_lib_dir)
252 message(FATAL_ERROR "Apparently there is a previous in-source build,
253 probably as the result of running `configure' and `make' on
254 ${CMAKE_CURRENT_SOURCE_DIR}.
255 This may cause problems. The suspicious files are:
256 ${tablegenned_files_on_lib_dir}
257 ${tablegenned_files_on_include_dir}
258 Please clean the source directory.")
262 string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE)
264 if (CMAKE_BUILD_TYPE AND
265 NOT uppercase_CMAKE_BUILD_TYPE MATCHES "^(DEBUG|RELEASE|RELWITHDEBINFO|MINSIZEREL)$")
266 message(FATAL_ERROR "Invalid value for CMAKE_BUILD_TYPE: ${CMAKE_BUILD_TYPE}")
269 set(LLVM_LIBDIR_SUFFIX "" CACHE STRING "Define suffix of library directory name (32/64)" )
271 set(LLVM_TOOLS_INSTALL_DIR "bin" CACHE STRING "Path for binary subdirectory (defaults to 'bin')")
272 mark_as_advanced(LLVM_TOOLS_INSTALL_DIR)
274 # They are used as destination of target generators.
275 set(LLVM_RUNTIME_OUTPUT_INTDIR ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/bin)
276 set(LLVM_LIBRARY_OUTPUT_INTDIR ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib${LLVM_LIBDIR_SUFFIX})
278 # DLL platform -- put DLLs into bin.
279 set(LLVM_SHLIB_OUTPUT_INTDIR ${LLVM_RUNTIME_OUTPUT_INTDIR})
281 set(LLVM_SHLIB_OUTPUT_INTDIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
284 # Each of them corresponds to llvm-config's.
285 set(LLVM_TOOLS_BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR}) # --bindir
286 set(LLVM_LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}) # --libdir
287 set(LLVM_MAIN_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR} ) # --src-root
288 set(LLVM_MAIN_INCLUDE_DIR ${LLVM_MAIN_SRC_DIR}/include ) # --includedir
289 set(LLVM_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR} ) # --prefix
291 # Note: LLVM_CMAKE_PATH does not include generated files
292 set(LLVM_CMAKE_PATH ${LLVM_MAIN_SRC_DIR}/cmake/modules)
293 set(LLVM_EXAMPLES_BINARY_DIR ${LLVM_BINARY_DIR}/examples)
294 set(LLVM_INCLUDE_DIR ${CMAKE_CURRENT_BINARY_DIR}/include)
314 # List of targets with JIT support:
315 set(LLVM_TARGETS_WITH_JIT X86 PowerPC AArch64 ARM Mips SystemZ)
317 set(LLVM_TARGETS_TO_BUILD "all"
318 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
320 set(LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ""
321 CACHE STRING "Semicolon-separated list of experimental targets to build.")
323 option(BUILD_SHARED_LIBS
324 "Build all libraries as shared libraries instead of static" OFF)
326 option(LLVM_ENABLE_BACKTRACES "Enable embedding backtraces on crash." ON)
327 if(LLVM_ENABLE_BACKTRACES)
328 set(ENABLE_BACKTRACES 1)
331 option(LLVM_ENABLE_CRASH_OVERRIDES "Enable crash overrides." ON)
332 if(LLVM_ENABLE_CRASH_OVERRIDES)
333 set(ENABLE_CRASH_OVERRIDES 1)
336 option(LLVM_ENABLE_FFI "Use libffi to call external functions from the interpreter" OFF)
337 set(FFI_LIBRARY_DIR "" CACHE PATH "Additional directory, where CMake should search for libffi.so")
338 set(FFI_INCLUDE_DIR "" CACHE PATH "Additional directory, where CMake should search for ffi.h or ffi/ffi.h")
340 set(LLVM_TARGET_ARCH "host"
341 CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.")
343 option(LLVM_ENABLE_TERMINFO "Use terminfo database if available." ON)
345 option(LLVM_ENABLE_THREADS "Use threads if available." ON)
347 option(LLVM_ENABLE_ZLIB "Use zlib for compression/decompression if available." ON)
349 if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
350 set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
353 set(LLVM_TARGETS_TO_BUILD
354 ${LLVM_TARGETS_TO_BUILD}
355 ${LLVM_EXPERIMENTAL_TARGETS_TO_BUILD})
356 list(REMOVE_DUPLICATES LLVM_TARGETS_TO_BUILD)
358 include(AddLLVMDefinitions)
360 option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON)
361 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON)
362 option(LLVM_ENABLE_MODULES "Compile with C++ modules enabled." OFF)
363 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
364 option(LLVM_ENABLE_MODULE_DEBUGGING "Compile with -gmodules." ON)
365 option(LLVM_ENABLE_LOCAL_SUBMODULE_VISIBILITY "Compile with -fmodules-local-submodule-visibility." OFF)
367 option(LLVM_ENABLE_MODULE_DEBUGGING "Compile with -gmodules." OFF)
368 option(LLVM_ENABLE_LOCAL_SUBMODULE_VISIBILITY "Compile with -fmodules-local-submodule-visibility." ON)
370 option(LLVM_ENABLE_CXX1Y "Compile with C++1y enabled." OFF)
371 option(LLVM_ENABLE_LIBCXX "Use libc++ if available." OFF)
372 option(LLVM_ENABLE_LLD "Use lld as C and C++ linker." OFF)
373 option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
374 option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
376 if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG" )
377 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
379 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
382 option(LLVM_ENABLE_EXPENSIVE_CHECKS "Enable expensive checks" OFF)
384 set(LLVM_ABI_BREAKING_CHECKS "WITH_ASSERTS" CACHE STRING
385 "Enable abi-breaking checks. Can be WITH_ASSERTS, FORCE_ON or FORCE_OFF.")
387 option(LLVM_FORCE_USE_OLD_HOST_TOOLCHAIN
388 "Set to ON to force using an old, unsupported host toolchain." OFF)
390 option(LLVM_USE_INTEL_JITEVENTS
391 "Use Intel JIT API to inform Intel(R) VTune(TM) Amplifier XE 2011 about JIT code"
394 if( LLVM_USE_INTEL_JITEVENTS )
395 # Verify we are on a supported platform
396 if( NOT CMAKE_SYSTEM_NAME MATCHES "Windows" AND NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
398 "Intel JIT API support is available on Linux and Windows only.")
400 endif( LLVM_USE_INTEL_JITEVENTS )
402 option(LLVM_USE_OPROFILE
403 "Use opagent JIT interface to inform OProfile about JIT code" OFF)
405 option(LLVM_EXTERNALIZE_DEBUGINFO
406 "Generate dSYM files and strip executables and libraries (Darwin Only)" OFF)
408 # If enabled, verify we are on a platform that supports oprofile.
409 if( LLVM_USE_OPROFILE )
410 if( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
411 message(FATAL_ERROR "OProfile support is available on Linux only.")
412 endif( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
413 endif( LLVM_USE_OPROFILE )
415 set(LLVM_USE_SANITIZER "" CACHE STRING
416 "Define the sanitizer used to build binaries and tests.")
418 option(LLVM_USE_SPLIT_DWARF
419 "Use -gsplit-dwarf when compiling llvm." OFF)
421 option(LLVM_POLLY_LINK_INTO_TOOLS "Statically link Polly into tools (if available)" ON)
422 option(LLVM_POLLY_BUILD "Build LLVM with Polly" ON)
424 if (EXISTS ${LLVM_MAIN_SRC_DIR}/tools/polly/CMakeLists.txt)
425 set(POLLY_IN_TREE TRUE)
426 elseif(LLVM_EXTERNAL_POLLY_SOURCE_DIR)
427 set(POLLY_IN_TREE TRUE)
429 set(POLLY_IN_TREE FALSE)
432 if (LLVM_POLLY_BUILD AND POLLY_IN_TREE)
438 if (LLVM_POLLY_LINK_INTO_TOOLS AND WITH_POLLY)
439 set(LINK_POLLY_INTO_TOOLS ON)
441 set(LINK_POLLY_INTO_TOOLS OFF)
444 # Define an option controlling whether we should build for 32-bit on 64-bit
445 # platforms, where supported.
446 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
447 # TODO: support other platforms and toolchains.
448 option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
451 # Define the default arguments to use with 'lit', and an option for the user to
453 set(LIT_ARGS_DEFAULT "-sv")
454 if (MSVC_IDE OR XCODE)
455 set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
457 set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit")
459 # On Win32 hosts, provide an option to specify the path to the GnuWin32 tools.
460 if( WIN32 AND NOT CYGWIN )
461 set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools")
464 # Define options to control the inclusion and default build behavior for
465 # components which may not strictly be necessary (tools, examples, and tests).
467 # This is primarily to support building smaller or faster project files.
468 option(LLVM_INCLUDE_TOOLS "Generate build targets for the LLVM tools." ON)
469 option(LLVM_BUILD_TOOLS
470 "Build the LLVM tools. If OFF, just generate build targets." ON)
472 option(LLVM_INCLUDE_UTILS "Generate build targets for the LLVM utils." ON)
473 option(LLVM_BUILD_UTILS
474 "Build LLVM utility binaries. If OFF, just generate build targets." ON)
476 option(LLVM_BUILD_RUNTIME
477 "Build the LLVM runtime libraries." ON)
478 option(LLVM_BUILD_EXAMPLES
479 "Build the LLVM example programs. If OFF, just generate build targets." OFF)
480 option(LLVM_INCLUDE_EXAMPLES "Generate build targets for the LLVM examples" ON)
482 option(LLVM_BUILD_TESTS
483 "Build LLVM unit tests. If OFF, just generate build targets." OFF)
484 option(LLVM_INCLUDE_TESTS "Generate build targets for the LLVM unit tests." ON)
485 option(LLVM_INCLUDE_GO_TESTS "Include the Go bindings tests in test build targets." ON)
487 option (LLVM_BUILD_DOCS "Build the llvm documentation." OFF)
488 option (LLVM_INCLUDE_DOCS "Generate build targets for llvm documentation." ON)
489 option (LLVM_ENABLE_DOXYGEN "Use doxygen to generate llvm API documentation." OFF)
490 option (LLVM_ENABLE_SPHINX "Use Sphinx to generate llvm documentation." OFF)
491 option (LLVM_ENABLE_OCAMLDOC "Build OCaml bindings documentation." ON)
493 set(LLVM_INSTALL_DOXYGEN_HTML_DIR "share/doc/llvm/doxygen-html"
494 CACHE STRING "Doxygen-generated HTML documentation install directory")
495 set(LLVM_INSTALL_OCAMLDOC_HTML_DIR "share/doc/llvm/ocaml-html"
496 CACHE STRING "OCamldoc-generated HTML documentation install directory")
498 option (LLVM_BUILD_EXTERNAL_COMPILER_RT
499 "Build compiler-rt as an external project." OFF)
501 # You can configure which libraries from LLVM you want to include in the
502 # shared library by setting LLVM_DYLIB_COMPONENTS to a semi-colon delimited
503 # list of LLVM components. All component names handled by llvm-config are valid.
504 if(NOT DEFINED LLVM_DYLIB_COMPONENTS)
505 set(LLVM_DYLIB_COMPONENTS "all" CACHE STRING
506 "Semicolon-separated list of components to include in libLLVM, or \"all\".")
508 option(LLVM_LINK_LLVM_DYLIB "Link tools against the libllvm dynamic library" OFF)
509 option(LLVM_BUILD_LLVM_C_DYLIB "Build libllvm-c re-export library (Darwin Only)" OFF)
510 set(LLVM_BUILD_LLVM_DYLIB_default OFF)
511 if(LLVM_LINK_LLVM_DYLIB OR LLVM_BUILD_LLVM_C_DYLIB)
512 set(LLVM_BUILD_LLVM_DYLIB_default ON)
514 option(LLVM_BUILD_LLVM_DYLIB "Build libllvm dynamic library" ${LLVM_BUILD_LLVM_DYLIB_default})
516 option(LLVM_OPTIMIZED_TABLEGEN "Force TableGen to be built with optimization" OFF)
517 if(CMAKE_CROSSCOMPILING OR (LLVM_OPTIMIZED_TABLEGEN AND LLVM_ENABLE_ASSERTIONS))
518 set(LLVM_USE_HOST_TOOLS ON)
521 if (MSVC_IDE AND NOT (MSVC_VERSION LESS 1900))
522 option(LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION "Configure project to use Visual Studio native visualizers" TRUE)
524 set(LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION FALSE CACHE INTERNAL "For Visual Studio 2013, manually copy natvis files to Documents\\Visual Studio 2013\\Visualizers" FORCE)
527 if (LLVM_BUILD_INSTRUMENTED OR LLVM_BUILD_INSTRUMENTED_COVERAGE)
528 if(NOT LLVM_PROFILE_MERGE_POOL_SIZE)
529 # A pool size of 1-2 is probably sufficient on a SSD. 3-4 should be fine
530 # for spining disks. Anything higher may only help on slower mediums.
531 set(LLVM_PROFILE_MERGE_POOL_SIZE "4")
533 if(NOT LLVM_PROFILE_FILE_PATTERN)
534 if(NOT LLVM_PROFILE_DATA_DIR)
535 file(TO_NATIVE_PATH "${LLVM_BINARY_DIR}/profiles/%${LLVM_PROFILE_MERGE_POOL_SIZE}m.profraw" LLVM_PROFILE_FILE_PATTERN)
537 file(TO_NATIVE_PATH "${LLVM_PROFILE_DATA_DIR}/%${LLVM_PROFILE_MERGE_POOL_SIZE}m.profraw" LLVM_PROFILE_FILE_PATTERN)
542 # All options referred to from HandleLLVMOptions have to be specified
543 # BEFORE this include, otherwise options will not be correctly set on
547 string(REPLACE "Native" ${LLVM_NATIVE_ARCH}
548 LLVM_TARGETS_TO_BUILD "${LLVM_TARGETS_TO_BUILD}")
549 list(REMOVE_DUPLICATES LLVM_TARGETS_TO_BUILD)
551 # By default, we target the host, but this can be overridden at CMake
553 set(LLVM_DEFAULT_TARGET_TRIPLE "${LLVM_HOST_TRIPLE}" CACHE STRING
554 "Default target for which LLVM will generate code." )
555 set(TARGET_TRIPLE "${LLVM_DEFAULT_TARGET_TRIPLE}")
556 message(STATUS "LLVM host triple: ${LLVM_HOST_TRIPLE}")
557 message(STATUS "LLVM default target triple: ${LLVM_DEFAULT_TARGET_TRIPLE}")
559 include(HandleLLVMOptions)
561 # Verify that we can find a Python 2 interpreter. Python 3 is unsupported.
562 # FIXME: We should support systems with only Python 3, but that requires work
564 set(Python_ADDITIONAL_VERSIONS 2.7)
565 include(FindPythonInterp)
566 if( NOT PYTHONINTERP_FOUND )
568 "Unable to find Python interpreter, required for builds and testing.
570 Please install Python or specify the PYTHON_EXECUTABLE CMake variable.")
573 if( ${PYTHON_VERSION_STRING} VERSION_LESS 2.7 )
574 message(FATAL_ERROR "Python 2.7 or newer is required")
578 # LLVMBuild Integration
580 # We use llvm-build to generate all the data required by the CMake based
581 # build system in one swoop:
583 # - We generate a file (a CMake fragment) in the object root which contains
584 # all the definitions that are required by CMake.
586 # - We generate the library table used by llvm-config.
588 # - We generate the dependencies for the CMake fragment, so that we will
589 # automatically reconfigure outselves.
591 set(LLVMBUILDTOOL "${LLVM_MAIN_SRC_DIR}/utils/llvm-build/llvm-build")
592 set(LLVMCONFIGLIBRARYDEPENDENCIESINC
593 "${LLVM_BINARY_DIR}/tools/llvm-config/LibraryDependencies.inc")
594 set(LLVMBUILDCMAKEFRAG
595 "${LLVM_BINARY_DIR}/LLVMBuild.cmake")
597 # Create the list of optional components that are enabled
598 if (LLVM_USE_INTEL_JITEVENTS)
599 set(LLVMOPTIONALCOMPONENTS IntelJITEvents)
600 endif (LLVM_USE_INTEL_JITEVENTS)
601 if (LLVM_USE_OPROFILE)
602 set(LLVMOPTIONALCOMPONENTS ${LLVMOPTIONALCOMPONENTS} OProfileJIT)
603 endif (LLVM_USE_OPROFILE)
605 message(STATUS "Constructing LLVMBuild project information")
607 COMMAND ${PYTHON_EXECUTABLE} ${LLVMBUILDTOOL}
608 --native-target "${LLVM_NATIVE_ARCH}"
609 --enable-targets "${LLVM_TARGETS_TO_BUILD}"
610 --enable-optional-components "${LLVMOPTIONALCOMPONENTS}"
611 --write-library-table ${LLVMCONFIGLIBRARYDEPENDENCIESINC}
612 --write-cmake-fragment ${LLVMBUILDCMAKEFRAG}
613 OUTPUT_VARIABLE LLVMBUILDOUTPUT
614 ERROR_VARIABLE LLVMBUILDERRORS
615 OUTPUT_STRIP_TRAILING_WHITESPACE
616 ERROR_STRIP_TRAILING_WHITESPACE
617 RESULT_VARIABLE LLVMBUILDRESULT)
619 # On Win32, CMake doesn't properly handle piping the default output/error
620 # streams into the GUI console. So, we explicitly catch and report them.
621 if( NOT "${LLVMBUILDOUTPUT}" STREQUAL "")
622 message(STATUS "llvm-build output: ${LLVMBUILDOUTPUT}")
624 if( NOT "${LLVMBUILDRESULT}" STREQUAL "0" )
626 "Unexpected failure executing llvm-build: ${LLVMBUILDERRORS}")
629 # Include the generated CMake fragment. This will define properties from the
630 # LLVMBuild files in a format which is easy to consume from CMake, and will add
631 # the dependencies so that CMake will reconfigure properly when the LLVMBuild
633 include(${LLVMBUILDCMAKEFRAG})
637 # Configure all of the various header file fragments LLVM uses which depend on
638 # configuration variables.
639 set(LLVM_ENUM_TARGETS "")
640 set(LLVM_ENUM_ASM_PRINTERS "")
641 set(LLVM_ENUM_ASM_PARSERS "")
642 set(LLVM_ENUM_DISASSEMBLERS "")
643 foreach(t ${LLVM_TARGETS_TO_BUILD})
644 set( td ${LLVM_MAIN_SRC_DIR}/lib/Target/${t} )
646 list(FIND LLVM_ALL_TARGETS ${t} idx)
647 list(FIND LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ${t} idy)
648 if( idx LESS 0 AND idy LESS 0 )
649 message(FATAL_ERROR "The target `${t}' does not exist.
650 It should be one of\n${LLVM_ALL_TARGETS}")
652 set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${t})\n")
655 file(GLOB asmp_file "${td}/*AsmPrinter.cpp")
657 set(LLVM_ENUM_ASM_PRINTERS
658 "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n")
660 if( EXISTS ${td}/AsmParser/CMakeLists.txt )
661 set(LLVM_ENUM_ASM_PARSERS
662 "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n")
664 if( EXISTS ${td}/Disassembler/CMakeLists.txt )
665 set(LLVM_ENUM_DISASSEMBLERS
666 "${LLVM_ENUM_DISASSEMBLERS}LLVM_DISASSEMBLER(${t})\n")
670 # Produce the target definition files, which provide a way for clients to easily
671 # include various classes of targets.
673 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in
674 ${LLVM_INCLUDE_DIR}/llvm/Config/AsmPrinters.def
677 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in
678 ${LLVM_INCLUDE_DIR}/llvm/Config/AsmParsers.def
681 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Disassemblers.def.in
682 ${LLVM_INCLUDE_DIR}/llvm/Config/Disassemblers.def
685 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in
686 ${LLVM_INCLUDE_DIR}/llvm/Config/Targets.def
689 # Configure the three LLVM configuration header files.
691 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/config.h.cmake
692 ${LLVM_INCLUDE_DIR}/llvm/Config/config.h)
694 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/llvm-config.h.cmake
695 ${LLVM_INCLUDE_DIR}/llvm/Config/llvm-config.h)
697 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Support/DataTypes.h.cmake
698 ${LLVM_INCLUDE_DIR}/llvm/Support/DataTypes.h)
700 # They are not referenced. See set_output_directory().
701 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/bin )
702 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} )
703 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} )
705 if(APPLE AND DARWIN_LTO_LIBRARY)
706 set(CMAKE_EXE_LINKER_FLAGS
707 "${CMAKE_EXE_LINKER_FLAGS} -Wl,-lto_library -Wl,${DARWIN_LTO_LIBRARY}")
708 set(CMAKE_SHARED_LINKER_FLAGS
709 "${CMAKE_SHARED_LINKER_FLAGS} -Wl,-lto_library -Wl,${DARWIN_LTO_LIBRARY}")
710 set(CMAKE_MODULE_LINKER_FLAGS
711 "${CMAKE_MODULE_LINKER_FLAGS} -Wl,-lto_library -Wl,${DARWIN_LTO_LIBRARY}")
714 # Work around a broken bfd ld behavior. When linking a binary with a
715 # foo.so library, it will try to find any library that foo.so uses and
716 # check its symbols. This is wasteful (the check was done when foo.so
717 # was created) and can fail since it is not the dynamic linker and
718 # doesn't know how to handle search paths correctly.
719 if (UNIX AND NOT APPLE AND NOT ${CMAKE_SYSTEM_NAME} MATCHES "SunOS|AIX")
720 set(CMAKE_EXE_LINKER_FLAGS
721 "${CMAKE_EXE_LINKER_FLAGS} -Wl,-allow-shlib-undefined")
724 set(CMAKE_INCLUDE_CURRENT_DIR ON)
726 include_directories( ${LLVM_INCLUDE_DIR} ${LLVM_MAIN_INCLUDE_DIR})
728 # when crosscompiling import the executable targets from a file
729 if(LLVM_USE_HOST_TOOLS)
730 include(CrossCompile)
731 endif(LLVM_USE_HOST_TOOLS)
732 if(LLVM_TARGET_IS_CROSSCOMPILE_HOST)
733 # Dummy use to avoid CMake Wraning: Manually-specified variables were not used
734 # (this is a variable that CrossCompile sets on recursive invocations)
737 if(${CMAKE_SYSTEM_NAME} MATCHES "(FreeBSD|DragonFly)")
738 # On FreeBSD, /usr/local/* is not used by default. In order to build LLVM
739 # with libxml2, iconv.h, etc., we must add /usr/local paths.
740 include_directories("/usr/local/include")
741 link_directories("/usr/local/lib")
742 endif(${CMAKE_SYSTEM_NAME} MATCHES "(FreeBSD|DragonFly)")
744 if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
745 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -include llvm/Support/Solaris.h")
746 endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
748 # Make sure we don't get -rdynamic in every binary. For those that need it,
749 # use export_executable_symbols(target).
750 set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "")
752 set(LLVM_PROFDATA_FILE "" CACHE FILEPATH
753 "Profiling data file to use when compiling in order to improve runtime performance.")
755 if(LLVM_PROFDATA_FILE AND EXISTS ${LLVM_PROFDATA_FILE})
756 if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" )
757 add_definitions("-fprofile-instr-use=${LLVM_PROFDATA_FILE}")
759 message(FATAL_ERROR "LLVM_PROFDATA_FILE can only be specified when compiling with clang")
767 # People report that -O3 is unreliable on MinGW. The traditional
768 # build also uses -O2 for that reason:
769 llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2")
772 # Put this before tblgen. Else we have a circular dependence.
773 add_subdirectory(lib/Demangle)
774 add_subdirectory(lib/Support)
775 add_subdirectory(lib/TableGen)
777 add_subdirectory(utils/TableGen)
779 # Force target to be built as soon as possible. Clang modules builds depend
780 # header-wise on it as they ship all headers from the umbrella folders. Building
781 # an entire module might include header, which depends on intrinsics_gen. This
782 # should be right after LLVMSupport and LLVMTableGen otherwise we introduce a
783 # circular dependence.
784 if (LLVM_ENABLE_MODULES)
785 list(APPEND LLVM_COMMON_DEPENDS intrinsics_gen)
786 endif(LLVM_ENABLE_MODULES)
788 add_subdirectory(include/llvm)
790 add_subdirectory(lib)
792 if( LLVM_INCLUDE_UTILS )
793 add_subdirectory(utils/FileCheck)
794 add_subdirectory(utils/PerfectShuffle)
795 add_subdirectory(utils/count)
796 add_subdirectory(utils/not)
797 add_subdirectory(utils/llvm-lit)
798 add_subdirectory(utils/yaml-bench)
799 add_subdirectory(utils/unittest)
801 if ( LLVM_INCLUDE_TESTS )
802 message(FATAL_ERROR "Including tests when not building utils will not work.
803 Either set LLVM_INCLUDE_UTILS to On, or set LLVM_INCLDE_TESTS to Off.")
807 # Use LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION instead of LLVM_INCLUDE_UTILS because it is not really a util
808 if (LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION)
809 add_subdirectory(utils/LLVMVisualizers)
812 foreach( binding ${LLVM_BINDINGS_LIST} )
813 if( EXISTS "${LLVM_MAIN_SRC_DIR}/bindings/${binding}/CMakeLists.txt" )
814 add_subdirectory(bindings/${binding})
818 add_subdirectory(projects)
820 if( LLVM_INCLUDE_TOOLS )
821 add_subdirectory(tools)
824 add_subdirectory(runtimes)
826 if( LLVM_INCLUDE_EXAMPLES )
827 add_subdirectory(examples)
830 if( LLVM_INCLUDE_TESTS )
831 if(EXISTS ${LLVM_MAIN_SRC_DIR}/projects/test-suite AND TARGET clang)
832 include(LLVMExternalProjectUtils)
833 llvm_ExternalProject_Add(test-suite ${LLVM_MAIN_SRC_DIR}/projects/test-suite
839 add_subdirectory(test)
840 add_subdirectory(unittests)
842 # This utility is used to prevent crashing tests from calling Dr. Watson on
844 add_subdirectory(utils/KillTheDoctor)
847 # Add a global check rule now that all subdirectories have been traversed
848 # and we know the total set of lit testsuites.
849 get_property(LLVM_LIT_TESTSUITES GLOBAL PROPERTY LLVM_LIT_TESTSUITES)
850 get_property(LLVM_LIT_PARAMS GLOBAL PROPERTY LLVM_LIT_PARAMS)
851 get_property(LLVM_LIT_DEPENDS GLOBAL PROPERTY LLVM_LIT_DEPENDS)
852 get_property(LLVM_LIT_EXTRA_ARGS GLOBAL PROPERTY LLVM_LIT_EXTRA_ARGS)
853 get_property(LLVM_ADDITIONAL_TEST_TARGETS
854 GLOBAL PROPERTY LLVM_ADDITIONAL_TEST_TARGETS)
855 get_property(LLVM_ADDITIONAL_TEST_DEPENDS
856 GLOBAL PROPERTY LLVM_ADDITIONAL_TEST_DEPENDS)
857 add_lit_target(check-all
858 "Running all regression tests"
859 ${LLVM_LIT_TESTSUITES}
860 PARAMS ${LLVM_LIT_PARAMS}
861 DEPENDS ${LLVM_LIT_DEPENDS} ${LLVM_ADDITIONAL_TEST_TARGETS}
862 ARGS ${LLVM_LIT_EXTRA_ARGS}
864 if(TARGET check-runtimes)
865 add_dependencies(check-all check-runtimes)
867 add_custom_target(test-depends
868 DEPENDS ${LLVM_LIT_DEPENDS} ${LLVM_ADDITIONAL_TEST_DEPENDS})
869 set_target_properties(test-depends PROPERTIES FOLDER "Tests")
872 if (LLVM_INCLUDE_DOCS)
873 add_subdirectory(docs)
876 add_subdirectory(cmake/modules)
878 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
879 install(DIRECTORY include/llvm include/llvm-c
881 COMPONENT llvm-headers
887 PATTERN "LICENSE.TXT"
888 PATTERN ".svn" EXCLUDE
891 install(DIRECTORY ${LLVM_INCLUDE_DIR}/llvm
893 COMPONENT llvm-headers
899 # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
900 PATTERN "CMakeFiles" EXCLUDE
901 PATTERN "config.h" EXCLUDE
902 PATTERN ".svn" EXCLUDE
905 # Installing the headers needs to depend on generating any public
906 # tablegen'd headers.
907 add_custom_target(llvm-headers DEPENDS intrinsics_gen)
909 if (NOT CMAKE_CONFIGURATION_TYPES)
910 add_custom_target(install-llvm-headers
912 COMMAND "${CMAKE_COMMAND}"
913 -DCMAKE_INSTALL_COMPONENT=llvm-headers
914 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
918 # This must be at the end of the LLVM root CMakeLists file because it must run
919 # after all targets are created.
920 if(LLVM_DISTRIBUTION_COMPONENTS)
921 if(CMAKE_CONFIGURATION_TYPES)
922 message(FATAL_ERROR "LLVM_DISTRIBUTION_COMPONENTS cannot be specified with multi-configuration generators (i.e. Xcode or Visual Studio)")
925 add_custom_target(distribution)
926 add_custom_target(install-distribution)
927 foreach(target ${LLVM_DISTRIBUTION_COMPONENTS})
929 add_dependencies(distribution ${target})
931 message(FATAL_ERROR "Specified distribution component '${target}' doesn't have a target")
934 if(TARGET install-${target})
935 add_dependencies(install-distribution install-${target})
937 message(FATAL_ERROR "Specified distribution component '${target}' doesn't have an install target")