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)")
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 # The following only works with the Ninja generator in CMake >= 3.0.
97 set(LLVM_PARALLEL_COMPILE_JOBS "" CACHE STRING
98 "Define the maximum number of concurrent compilation jobs.")
99 if(LLVM_PARALLEL_COMPILE_JOBS)
100 if(NOT CMAKE_MAKE_PROGRAM MATCHES "ninja")
101 message(WARNING "Job pooling is only available with Ninja generators.")
103 set_property(GLOBAL APPEND PROPERTY JOB_POOLS compile_job_pool=${LLVM_PARALLEL_COMPILE_JOBS})
104 set(CMAKE_JOB_POOL_COMPILE compile_job_pool)
108 # Build llvm with ccache if the package is present
109 set(LLVM_CCACHE_BUILD OFF CACHE BOOL "Set to ON for a ccache enabled build")
110 if(LLVM_CCACHE_BUILD)
111 find_program(CCACHE_PROGRAM ccache)
113 set(LLVM_CCACHE_SIZE "" CACHE STRING "Size of ccache")
114 set(LLVM_CCACHE_DIR "" CACHE STRING "Directory to keep ccached data")
115 set(CCACHE_PROGRAM "CCACHE_CPP2=yes CCACHE_HASHDIR=yes ${CCACHE_PROGRAM}")
116 if (LLVM_CCACHE_SIZE)
117 set(CCACHE_PROGRAM "CCACHE_SIZE=${LLVM_CCACHE_SIZE} ${CCACHE_PROGRAM}")
120 set(CCACHE_PROGRAM "CCACHE_DIR=${LLVM_CCACHE_DIR} ${CCACHE_PROGRAM}")
122 set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ${CCACHE_PROGRAM})
124 message(FATAL_ERROR "Unable to find the program ccache. Set LLVM_CCACHE_BUILD to OFF")
128 option(LLVM_BUILD_GLOBAL_ISEL "Experimental: Build GlobalISel" OFF)
129 if(LLVM_BUILD_GLOBAL_ISEL)
130 add_definitions(-DLLVM_BUILD_GLOBAL_ISEL)
133 set(LLVM_PARALLEL_LINK_JOBS "" CACHE STRING
134 "Define the maximum number of concurrent link jobs.")
135 if(LLVM_PARALLEL_LINK_JOBS)
136 if(NOT CMAKE_MAKE_PROGRAM MATCHES "ninja")
137 message(WARNING "Job pooling is only available with Ninja generators.")
139 set_property(GLOBAL APPEND PROPERTY JOB_POOLS link_job_pool=${LLVM_PARALLEL_LINK_JOBS})
140 set(CMAKE_JOB_POOL_LINK link_job_pool)
144 # Add path for custom modules
145 set(CMAKE_MODULE_PATH
147 "${CMAKE_CURRENT_SOURCE_DIR}/cmake"
148 "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules"
151 # Generate a CompilationDatabase (compile_commands.json file) for our build,
152 # for use by clang_complete, YouCompleteMe, etc.
153 set(CMAKE_EXPORT_COMPILE_COMMANDS 1)
155 option(LLVM_INSTALL_UTILS "Include utility binaries in the 'install' target." OFF)
157 option(LLVM_INSTALL_TOOLCHAIN_ONLY "Only include toolchain files in the 'install' target." OFF)
159 option(LLVM_USE_FOLDERS "Enable solution folders in Visual Studio. Disable for Express versions." ON)
160 if ( LLVM_USE_FOLDERS )
161 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
164 include(VersionFromVCS)
166 option(LLVM_APPEND_VC_REV
167 "Append the version control system revision id to LLVM version" OFF)
169 if( LLVM_APPEND_VC_REV )
170 add_version_info_from_vcs(PACKAGE_VERSION)
173 set(PACKAGE_NAME LLVM)
174 set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
175 set(PACKAGE_BUGREPORT "http://llvm.org/bugs/")
177 set(BUG_REPORT_URL "${PACKAGE_BUGREPORT}" CACHE STRING
178 "Default URL where bug reports are to be submitted.")
181 set(CPACK_PACKAGE_INSTALL_DIRECTORY "LLVM")
182 set(CPACK_PACKAGE_VENDOR "LLVM")
183 set(CPACK_PACKAGE_VERSION_MAJOR ${LLVM_VERSION_MAJOR})
184 set(CPACK_PACKAGE_VERSION_MINOR ${LLVM_VERSION_MINOR})
185 set(CPACK_PACKAGE_VERSION_PATCH ${LLVM_VERSION_PATCH})
186 set(CPACK_PACKAGE_VERSION ${PACKAGE_VERSION})
187 set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE.TXT")
188 set(CPACK_NSIS_COMPRESSOR "/SOLID lzma \r\n SetCompressorDictSize 32")
189 if(WIN32 AND NOT UNIX)
190 set(CPACK_PACKAGE_INSTALL_REGISTRY_KEY "LLVM")
191 set(CPACK_PACKAGE_ICON "${CMAKE_CURRENT_SOURCE_DIR}\\\\cmake\\\\nsis_logo.bmp")
192 set(CPACK_NSIS_MUI_ICON "${CMAKE_CURRENT_SOURCE_DIR}\\\\cmake\\\\nsis_icon.ico")
193 set(CPACK_NSIS_MUI_UNIICON "${CMAKE_CURRENT_SOURCE_DIR}\\\\cmake\\\\nsis_icon.ico")
194 set(CPACK_NSIS_MODIFY_PATH "ON")
195 set(CPACK_NSIS_ENABLE_UNINSTALL_BEFORE_INSTALL "ON")
196 set(CPACK_NSIS_EXTRA_INSTALL_COMMANDS
197 "ExecWait '$INSTDIR/tools/msbuild/install.bat'")
198 set(CPACK_NSIS_EXTRA_UNINSTALL_COMMANDS
199 "ExecWait '$INSTDIR/tools/msbuild/uninstall.bat'")
201 set(CPACK_NSIS_INSTALL_ROOT "$PROGRAMFILES64")
206 # Sanity check our source directory to make sure that we are not trying to
207 # generate an in-tree build (unless on MSVC_IDE, where it is ok), and to make
208 # sure that we don't have any stray generated files lying around in the tree
209 # (which would end up getting picked up by header search, instead of the correct
211 if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE )
212 message(FATAL_ERROR "In-source builds are not allowed.
213 CMake would overwrite the makefiles distributed with LLVM.
214 Please create a directory and run cmake from there, passing the path
215 to this source directory as the last argument.
216 This process created the file `CMakeCache.txt' and the directory `CMakeFiles'.
217 Please delete them.")
219 if( NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR )
221 tablegenned_files_on_include_dir
222 "${CMAKE_CURRENT_SOURCE_DIR}/include/llvm/*.gen")
224 tablegenned_files_on_lib_dir
225 "${CMAKE_CURRENT_SOURCE_DIR}/lib/Target/*.inc")
226 if( tablegenned_files_on_include_dir OR tablegenned_files_on_lib_dir)
227 message(FATAL_ERROR "Apparently there is a previous in-source build,
228 probably as the result of running `configure' and `make' on
229 ${CMAKE_CURRENT_SOURCE_DIR}.
230 This may cause problems. The suspicious files are:
231 ${tablegenned_files_on_lib_dir}
232 ${tablegenned_files_on_include_dir}
233 Please clean the source directory.")
237 string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE)
239 if (CMAKE_BUILD_TYPE AND
240 NOT uppercase_CMAKE_BUILD_TYPE MATCHES "^(DEBUG|RELEASE|RELWITHDEBINFO|MINSIZEREL)$")
241 message(FATAL_ERROR "Invalid value for CMAKE_BUILD_TYPE: ${CMAKE_BUILD_TYPE}")
244 set(LLVM_LIBDIR_SUFFIX "" CACHE STRING "Define suffix of library directory name (32/64)" )
246 set(LLVM_TOOLS_INSTALL_DIR "bin" CACHE STRING "Path for binary subdirectory (defaults to 'bin')")
247 mark_as_advanced(LLVM_TOOLS_INSTALL_DIR)
249 # They are used as destination of target generators.
250 set(LLVM_RUNTIME_OUTPUT_INTDIR ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/bin)
251 set(LLVM_LIBRARY_OUTPUT_INTDIR ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib${LLVM_LIBDIR_SUFFIX})
253 # DLL platform -- put DLLs into bin.
254 set(LLVM_SHLIB_OUTPUT_INTDIR ${LLVM_RUNTIME_OUTPUT_INTDIR})
256 set(LLVM_SHLIB_OUTPUT_INTDIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
259 # Each of them corresponds to llvm-config's.
260 set(LLVM_TOOLS_BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR}) # --bindir
261 set(LLVM_LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}) # --libdir
262 set(LLVM_MAIN_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR} ) # --src-root
263 set(LLVM_MAIN_INCLUDE_DIR ${LLVM_MAIN_SRC_DIR}/include ) # --includedir
264 set(LLVM_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR} ) # --prefix
266 # Note: LLVM_CMAKE_PATH does not include generated files
267 set(LLVM_CMAKE_PATH ${LLVM_MAIN_SRC_DIR}/cmake/modules)
268 set(LLVM_EXAMPLES_BINARY_DIR ${LLVM_BINARY_DIR}/examples)
269 set(LLVM_INCLUDE_DIR ${CMAKE_CURRENT_BINARY_DIR}/include)
288 # List of targets with JIT support:
289 set(LLVM_TARGETS_WITH_JIT X86 PowerPC AArch64 ARM Mips SystemZ)
291 set(LLVM_TARGETS_TO_BUILD "all"
292 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
294 set(LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ""
295 CACHE STRING "Semicolon-separated list of experimental targets to build.")
297 option(BUILD_SHARED_LIBS
298 "Build all libraries as shared libraries instead of static" OFF)
300 option(LLVM_ENABLE_BACKTRACES "Enable embedding backtraces on crash." ON)
301 if(LLVM_ENABLE_BACKTRACES)
302 set(ENABLE_BACKTRACES 1)
305 option(LLVM_ENABLE_CRASH_OVERRIDES "Enable crash overrides." ON)
306 if(LLVM_ENABLE_CRASH_OVERRIDES)
307 set(ENABLE_CRASH_OVERRIDES 1)
310 option(LLVM_ENABLE_FFI "Use libffi to call external functions from the interpreter" OFF)
311 set(FFI_LIBRARY_DIR "" CACHE PATH "Additional directory, where CMake should search for libffi.so")
312 set(FFI_INCLUDE_DIR "" CACHE PATH "Additional directory, where CMake should search for ffi.h or ffi/ffi.h")
314 set(LLVM_TARGET_ARCH "host"
315 CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.")
317 option(LLVM_ENABLE_TERMINFO "Use terminfo database if available." ON)
319 option(LLVM_ENABLE_THREADS "Use threads if available." ON)
321 option(LLVM_ENABLE_ZLIB "Use zlib for compression/decompression if available." ON)
323 if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
324 set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
327 set(LLVM_TARGETS_TO_BUILD
328 ${LLVM_TARGETS_TO_BUILD}
329 ${LLVM_EXPERIMENTAL_TARGETS_TO_BUILD})
330 list(REMOVE_DUPLICATES LLVM_TARGETS_TO_BUILD)
332 include(AddLLVMDefinitions)
334 option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON)
335 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON)
336 option(LLVM_ENABLE_MODULES "Compile with C++ modules enabled." OFF)
337 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
338 option(LLVM_ENABLE_MODULE_DEBUGGING "Compile with -gmodules." ON)
339 option(LLVM_ENABLE_LOCAL_SUBMODULE_VISIBILITY "Compile with -fmodules-local-submodule-visibility." OFF)
341 option(LLVM_ENABLE_MODULE_DEBUGGING "Compile with -gmodules." OFF)
342 option(LLVM_ENABLE_LOCAL_SUBMODULE_VISIBILITY "Compile with -fmodules-local-submodule-visibility." ON)
344 option(LLVM_ENABLE_CXX1Y "Compile with C++1y enabled." OFF)
345 option(LLVM_ENABLE_LIBCXX "Use libc++ if available." OFF)
346 option(LLVM_ENABLE_LLD "Use lld as C and C++ linker." OFF)
347 option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
348 option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
350 if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG" )
351 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
353 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
356 option(LLVM_ENABLE_EXPENSIVE_CHECKS "Enable expensive checks" OFF)
358 set(LLVM_ABI_BREAKING_CHECKS "WITH_ASSERTS" CACHE STRING
359 "Enable abi-breaking checks. Can be WITH_ASSERTS, FORCE_ON or FORCE_OFF.")
361 option(LLVM_FORCE_USE_OLD_HOST_TOOLCHAIN
362 "Set to ON to force using an old, unsupported host toolchain." OFF)
364 option(LLVM_USE_INTEL_JITEVENTS
365 "Use Intel JIT API to inform Intel(R) VTune(TM) Amplifier XE 2011 about JIT code"
368 if( LLVM_USE_INTEL_JITEVENTS )
369 # Verify we are on a supported platform
370 if( NOT CMAKE_SYSTEM_NAME MATCHES "Windows" AND NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
372 "Intel JIT API support is available on Linux and Windows only.")
374 endif( LLVM_USE_INTEL_JITEVENTS )
376 option(LLVM_USE_OPROFILE
377 "Use opagent JIT interface to inform OProfile about JIT code" OFF)
379 option(LLVM_EXTERNALIZE_DEBUGINFO
380 "Generate dSYM files and strip executables and libraries (Darwin Only)" OFF)
382 # If enabled, verify we are on a platform that supports oprofile.
383 if( LLVM_USE_OPROFILE )
384 if( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
385 message(FATAL_ERROR "OProfile support is available on Linux only.")
386 endif( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
387 endif( LLVM_USE_OPROFILE )
389 set(LLVM_USE_SANITIZER "" CACHE STRING
390 "Define the sanitizer used to build binaries and tests.")
392 option(LLVM_USE_SPLIT_DWARF
393 "Use -gsplit-dwarf when compiling llvm." OFF)
395 option(LLVM_POLLY_LINK_INTO_TOOLS "Statically link Polly into tools (if available)" ON)
396 option(LLVM_POLLY_BUILD "Build LLVM with Polly" ON)
398 if (EXISTS ${LLVM_MAIN_SRC_DIR}/tools/polly/CMakeLists.txt)
399 set(POLLY_IN_TREE TRUE)
400 elseif(LLVM_EXTERNAL_POLLY_SOURCE_DIR)
401 set(POLLY_IN_TREE TRUE)
403 set(POLLY_IN_TREE FALSE)
406 if (LLVM_POLLY_BUILD AND POLLY_IN_TREE)
412 if (LLVM_POLLY_LINK_INTO_TOOLS AND WITH_POLLY)
413 set(LINK_POLLY_INTO_TOOLS ON)
415 set(LINK_POLLY_INTO_TOOLS OFF)
418 # Define an option controlling whether we should build for 32-bit on 64-bit
419 # platforms, where supported.
420 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
421 # TODO: support other platforms and toolchains.
422 option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
425 # Define the default arguments to use with 'lit', and an option for the user to
427 set(LIT_ARGS_DEFAULT "-sv")
428 if (MSVC_IDE OR XCODE)
429 set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
431 set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit")
433 # On Win32 hosts, provide an option to specify the path to the GnuWin32 tools.
434 if( WIN32 AND NOT CYGWIN )
435 set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools")
438 # Define options to control the inclusion and default build behavior for
439 # components which may not strictly be necessary (tools, examples, and tests).
441 # This is primarily to support building smaller or faster project files.
442 option(LLVM_INCLUDE_TOOLS "Generate build targets for the LLVM tools." ON)
443 option(LLVM_BUILD_TOOLS
444 "Build the LLVM tools. If OFF, just generate build targets." ON)
446 option(LLVM_INCLUDE_UTILS "Generate build targets for the LLVM utils." ON)
447 option(LLVM_BUILD_UTILS
448 "Build LLVM utility binaries. If OFF, just generate build targets." ON)
450 option(LLVM_BUILD_RUNTIME
451 "Build the LLVM runtime libraries." ON)
452 option(LLVM_BUILD_EXAMPLES
453 "Build the LLVM example programs. If OFF, just generate build targets." OFF)
454 option(LLVM_INCLUDE_EXAMPLES "Generate build targets for the LLVM examples" ON)
456 option(LLVM_BUILD_TESTS
457 "Build LLVM unit tests. If OFF, just generate build targets." OFF)
458 option(LLVM_INCLUDE_TESTS "Generate build targets for the LLVM unit tests." ON)
459 option(LLVM_INCLUDE_GO_TESTS "Include the Go bindings tests in test build targets." ON)
461 option (LLVM_BUILD_DOCS "Build the llvm documentation." OFF)
462 option (LLVM_INCLUDE_DOCS "Generate build targets for llvm documentation." ON)
463 option (LLVM_ENABLE_DOXYGEN "Use doxygen to generate llvm API documentation." OFF)
464 option (LLVM_ENABLE_SPHINX "Use Sphinx to generate llvm documentation." OFF)
465 option (LLVM_ENABLE_OCAMLDOC "Build OCaml bindings documentation." ON)
467 set(LLVM_INSTALL_DOXYGEN_HTML_DIR "share/doc/llvm/doxygen-html"
468 CACHE STRING "Doxygen-generated HTML documentation install directory")
469 set(LLVM_INSTALL_OCAMLDOC_HTML_DIR "share/doc/llvm/ocaml-html"
470 CACHE STRING "OCamldoc-generated HTML documentation install directory")
472 option (LLVM_BUILD_EXTERNAL_COMPILER_RT
473 "Build compiler-rt as an external project." OFF)
475 # You can configure which libraries from LLVM you want to include in the
476 # shared library by setting LLVM_DYLIB_COMPONENTS to a semi-colon delimited
477 # list of LLVM components. All component names handled by llvm-config are valid.
478 if(NOT DEFINED LLVM_DYLIB_COMPONENTS)
479 set(LLVM_DYLIB_COMPONENTS "all" CACHE STRING
480 "Semicolon-separated list of components to include in libLLVM, or \"all\".")
482 option(LLVM_LINK_LLVM_DYLIB "Link tools against the libllvm dynamic library" OFF)
483 option(LLVM_BUILD_LLVM_C_DYLIB "Build libllvm-c re-export library (Darwin Only)" OFF)
484 set(LLVM_BUILD_LLVM_DYLIB_default OFF)
485 if(LLVM_LINK_LLVM_DYLIB OR LLVM_BUILD_LLVM_C_DYLIB)
486 set(LLVM_BUILD_LLVM_DYLIB_default ON)
488 option(LLVM_BUILD_LLVM_DYLIB "Build libllvm dynamic library" ${LLVM_BUILD_LLVM_DYLIB_default})
490 option(LLVM_OPTIMIZED_TABLEGEN "Force TableGen to be built with optimization" OFF)
491 if(CMAKE_CROSSCOMPILING OR (LLVM_OPTIMIZED_TABLEGEN AND LLVM_ENABLE_ASSERTIONS))
492 set(LLVM_USE_HOST_TOOLS ON)
495 if (MSVC_IDE AND NOT (MSVC_VERSION LESS 1900))
496 option(LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION "Configure project to use Visual Studio native visualizers" TRUE)
498 set(LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION FALSE CACHE INTERNAL "For Visual Studio 2013, manually copy natvis files to Documents\\Visual Studio 2013\\Visualizers" FORCE)
501 if (LLVM_BUILD_INSTRUMENTED OR LLVM_BUILD_INSTRUMENTED_COVERAGE)
502 if(NOT LLVM_PROFILE_MERGE_POOL_SIZE)
503 # A pool size of 1-2 is probably sufficient on a SSD. 3-4 should be fine
504 # for spining disks. Anything higher may only help on slower mediums.
505 set(LLVM_PROFILE_MERGE_POOL_SIZE "4")
507 if(NOT LLVM_PROFILE_FILE_PATTERN)
508 if(NOT LLVM_PROFILE_DATA_DIR)
509 file(TO_NATIVE_PATH "${LLVM_BINARY_DIR}/profiles/%${LLVM_PROFILE_MERGE_POOL_SIZE}m.profraw" LLVM_PROFILE_FILE_PATTERN)
511 file(TO_NATIVE_PATH "${LLVM_PROFILE_DATA_DIR}/%${LLVM_PROFILE_MERGE_POOL_SIZE}m.profraw" LLVM_PROFILE_FILE_PATTERN)
516 # All options referred to from HandleLLVMOptions have to be specified
517 # BEFORE this include, otherwise options will not be correctly set on
521 string(REPLACE "Native" ${LLVM_NATIVE_ARCH}
522 LLVM_TARGETS_TO_BUILD "${LLVM_TARGETS_TO_BUILD}")
523 list(REMOVE_DUPLICATES LLVM_TARGETS_TO_BUILD)
525 # By default, we target the host, but this can be overridden at CMake
527 set(LLVM_DEFAULT_TARGET_TRIPLE "${LLVM_HOST_TRIPLE}" CACHE STRING
528 "Default target for which LLVM will generate code." )
529 set(TARGET_TRIPLE "${LLVM_DEFAULT_TARGET_TRIPLE}")
530 message(STATUS "LLVM host triple: ${LLVM_HOST_TRIPLE}")
531 message(STATUS "LLVM default target triple: ${LLVM_DEFAULT_TARGET_TRIPLE}")
533 include(HandleLLVMOptions)
535 # Verify that we can find a Python 2 interpreter. Python 3 is unsupported.
536 # FIXME: We should support systems with only Python 3, but that requires work
538 set(Python_ADDITIONAL_VERSIONS 2.7)
539 include(FindPythonInterp)
540 if( NOT PYTHONINTERP_FOUND )
542 "Unable to find Python interpreter, required for builds and testing.
544 Please install Python or specify the PYTHON_EXECUTABLE CMake variable.")
547 if( ${PYTHON_VERSION_STRING} VERSION_LESS 2.7 )
548 message(FATAL_ERROR "Python 2.7 or newer is required")
552 # LLVMBuild Integration
554 # We use llvm-build to generate all the data required by the CMake based
555 # build system in one swoop:
557 # - We generate a file (a CMake fragment) in the object root which contains
558 # all the definitions that are required by CMake.
560 # - We generate the library table used by llvm-config.
562 # - We generate the dependencies for the CMake fragment, so that we will
563 # automatically reconfigure outselves.
565 set(LLVMBUILDTOOL "${LLVM_MAIN_SRC_DIR}/utils/llvm-build/llvm-build")
566 set(LLVMCONFIGLIBRARYDEPENDENCIESINC
567 "${LLVM_BINARY_DIR}/tools/llvm-config/LibraryDependencies.inc")
568 set(LLVMBUILDCMAKEFRAG
569 "${LLVM_BINARY_DIR}/LLVMBuild.cmake")
571 # Create the list of optional components that are enabled
572 if (LLVM_USE_INTEL_JITEVENTS)
573 set(LLVMOPTIONALCOMPONENTS IntelJITEvents)
574 endif (LLVM_USE_INTEL_JITEVENTS)
575 if (LLVM_USE_OPROFILE)
576 set(LLVMOPTIONALCOMPONENTS ${LLVMOPTIONALCOMPONENTS} OProfileJIT)
577 endif (LLVM_USE_OPROFILE)
579 message(STATUS "Constructing LLVMBuild project information")
581 COMMAND ${PYTHON_EXECUTABLE} ${LLVMBUILDTOOL}
582 --native-target "${LLVM_NATIVE_ARCH}"
583 --enable-targets "${LLVM_TARGETS_TO_BUILD}"
584 --enable-optional-components "${LLVMOPTIONALCOMPONENTS}"
585 --write-library-table ${LLVMCONFIGLIBRARYDEPENDENCIESINC}
586 --write-cmake-fragment ${LLVMBUILDCMAKEFRAG}
587 OUTPUT_VARIABLE LLVMBUILDOUTPUT
588 ERROR_VARIABLE LLVMBUILDERRORS
589 OUTPUT_STRIP_TRAILING_WHITESPACE
590 ERROR_STRIP_TRAILING_WHITESPACE
591 RESULT_VARIABLE LLVMBUILDRESULT)
593 # On Win32, CMake doesn't properly handle piping the default output/error
594 # streams into the GUI console. So, we explicitly catch and report them.
595 if( NOT "${LLVMBUILDOUTPUT}" STREQUAL "")
596 message(STATUS "llvm-build output: ${LLVMBUILDOUTPUT}")
598 if( NOT "${LLVMBUILDRESULT}" STREQUAL "0" )
600 "Unexpected failure executing llvm-build: ${LLVMBUILDERRORS}")
603 # Include the generated CMake fragment. This will define properties from the
604 # LLVMBuild files in a format which is easy to consume from CMake, and will add
605 # the dependencies so that CMake will reconfigure properly when the LLVMBuild
607 include(${LLVMBUILDCMAKEFRAG})
611 # Configure all of the various header file fragments LLVM uses which depend on
612 # configuration variables.
613 set(LLVM_ENUM_TARGETS "")
614 set(LLVM_ENUM_ASM_PRINTERS "")
615 set(LLVM_ENUM_ASM_PARSERS "")
616 set(LLVM_ENUM_DISASSEMBLERS "")
617 foreach(t ${LLVM_TARGETS_TO_BUILD})
618 set( td ${LLVM_MAIN_SRC_DIR}/lib/Target/${t} )
620 list(FIND LLVM_ALL_TARGETS ${t} idx)
621 list(FIND LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ${t} idy)
622 if( idx LESS 0 AND idy LESS 0 )
623 message(FATAL_ERROR "The target `${t}' does not exist.
624 It should be one of\n${LLVM_ALL_TARGETS}")
626 set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${t})\n")
629 file(GLOB asmp_file "${td}/*AsmPrinter.cpp")
631 set(LLVM_ENUM_ASM_PRINTERS
632 "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n")
634 if( EXISTS ${td}/AsmParser/CMakeLists.txt )
635 set(LLVM_ENUM_ASM_PARSERS
636 "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n")
638 if( EXISTS ${td}/Disassembler/CMakeLists.txt )
639 set(LLVM_ENUM_DISASSEMBLERS
640 "${LLVM_ENUM_DISASSEMBLERS}LLVM_DISASSEMBLER(${t})\n")
644 # Produce the target definition files, which provide a way for clients to easily
645 # include various classes of targets.
647 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in
648 ${LLVM_INCLUDE_DIR}/llvm/Config/AsmPrinters.def
651 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in
652 ${LLVM_INCLUDE_DIR}/llvm/Config/AsmParsers.def
655 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Disassemblers.def.in
656 ${LLVM_INCLUDE_DIR}/llvm/Config/Disassemblers.def
659 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in
660 ${LLVM_INCLUDE_DIR}/llvm/Config/Targets.def
663 # Configure the three LLVM configuration header files.
665 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/config.h.cmake
666 ${LLVM_INCLUDE_DIR}/llvm/Config/config.h)
668 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/llvm-config.h.cmake
669 ${LLVM_INCLUDE_DIR}/llvm/Config/llvm-config.h)
671 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Support/DataTypes.h.cmake
672 ${LLVM_INCLUDE_DIR}/llvm/Support/DataTypes.h)
674 # They are not referenced. See set_output_directory().
675 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/bin )
676 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} )
677 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} )
679 set(CMAKE_BUILD_WITH_INSTALL_RPATH ON)
681 set(CMAKE_INSTALL_NAME_DIR "@rpath")
682 set(CMAKE_INSTALL_RPATH "@executable_path/../lib")
684 if(NOT DEFINED CMAKE_INSTALL_RPATH)
685 set(CMAKE_INSTALL_RPATH "\$ORIGIN/../lib${LLVM_LIBDIR_SUFFIX}")
686 if(${CMAKE_SYSTEM_NAME} MATCHES "(FreeBSD|DragonFly)")
687 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-z,origin")
688 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,-z,origin")
690 endif(NOT DEFINED CMAKE_INSTALL_RPATH)
693 if(APPLE AND DARWIN_LTO_LIBRARY)
694 set(CMAKE_EXE_LINKER_FLAGS
695 "${CMAKE_EXE_LINKER_FLAGS} -Wl,-lto_library -Wl,${DARWIN_LTO_LIBRARY}")
696 set(CMAKE_SHARED_LINKER_FLAGS
697 "${CMAKE_SHARED_LINKER_FLAGS} -Wl,-lto_library -Wl,${DARWIN_LTO_LIBRARY}")
698 set(CMAKE_MODULE_LINKER_FLAGS
699 "${CMAKE_MODULE_LINKER_FLAGS} -Wl,-lto_library -Wl,${DARWIN_LTO_LIBRARY}")
702 # Work around a broken bfd ld behavior. When linking a binary with a
703 # foo.so library, it will try to find any library that foo.so uses and
704 # check its symbols. This is wasteful (the check was done when foo.so
705 # was created) and can fail since it is not the dynamic linker and
706 # doesn't know how to handle search paths correctly.
707 if (UNIX AND NOT APPLE AND NOT ${CMAKE_SYSTEM_NAME} MATCHES "SunOS|AIX")
708 set(CMAKE_EXE_LINKER_FLAGS
709 "${CMAKE_EXE_LINKER_FLAGS} -Wl,-allow-shlib-undefined")
712 set(CMAKE_INCLUDE_CURRENT_DIR ON)
714 include_directories( ${LLVM_INCLUDE_DIR} ${LLVM_MAIN_INCLUDE_DIR})
716 # when crosscompiling import the executable targets from a file
717 if(LLVM_USE_HOST_TOOLS)
718 include(CrossCompile)
719 endif(LLVM_USE_HOST_TOOLS)
720 if(LLVM_TARGET_IS_CROSSCOMPILE_HOST)
721 # Dummy use to avoid CMake Wraning: Manually-specified variables were not used
722 # (this is a variable that CrossCompile sets on recursive invocations)
725 if(${CMAKE_SYSTEM_NAME} MATCHES "(FreeBSD|DragonFly)")
726 # On FreeBSD, /usr/local/* is not used by default. In order to build LLVM
727 # with libxml2, iconv.h, etc., we must add /usr/local paths.
728 include_directories("/usr/local/include")
729 link_directories("/usr/local/lib")
730 endif(${CMAKE_SYSTEM_NAME} MATCHES "(FreeBSD|DragonFly)")
732 if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
733 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -include llvm/Support/Solaris.h")
734 endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
736 # Make sure we don't get -rdynamic in every binary. For those that need it,
737 # use export_executable_symbols(target).
738 set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "")
740 set(LLVM_PROFDATA_FILE "" CACHE FILEPATH
741 "Profiling data file to use when compiling in order to improve runtime performance.")
743 if(LLVM_PROFDATA_FILE AND EXISTS ${LLVM_PROFDATA_FILE})
744 if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" )
745 add_definitions("-fprofile-instr-use=${LLVM_PROFDATA_FILE}")
747 message(FATAL_ERROR "LLVM_PROFDATA_FILE can only be specified when compiling with clang")
755 # People report that -O3 is unreliable on MinGW. The traditional
756 # build also uses -O2 for that reason:
757 llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2")
760 # Put this before tblgen. Else we have a circular dependence.
761 add_subdirectory(lib/Demangle)
762 add_subdirectory(lib/Support)
763 add_subdirectory(lib/TableGen)
765 add_subdirectory(utils/TableGen)
767 # Force target to be built as soon as possible. Clang modules builds depend
768 # header-wise on it as they ship all headers from the umbrella folders. Building
769 # an entire module might include header, which depends on intrinsics_gen. This
770 # should be right after LLVMSupport and LLVMTableGen otherwise we introduce a
771 # circular dependence.
772 if (LLVM_ENABLE_MODULES)
773 list(APPEND LLVM_COMMON_DEPENDS intrinsics_gen)
774 endif(LLVM_ENABLE_MODULES)
776 add_subdirectory(include/llvm)
778 add_subdirectory(lib)
780 if( LLVM_INCLUDE_UTILS )
781 add_subdirectory(utils/FileCheck)
782 add_subdirectory(utils/PerfectShuffle)
783 add_subdirectory(utils/count)
784 add_subdirectory(utils/not)
785 add_subdirectory(utils/llvm-lit)
786 add_subdirectory(utils/yaml-bench)
787 add_subdirectory(utils/unittest)
789 if ( LLVM_INCLUDE_TESTS )
790 message(FATAL_ERROR "Including tests when not building utils will not work.
791 Either set LLVM_INCLUDE_UTILS to On, or set LLVM_INCLDE_TESTS to Off.")
795 # Use LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION instead of LLVM_INCLUDE_UTILS because it is not really a util
796 if (LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION)
797 add_subdirectory(utils/LLVMVisualizers)
800 foreach( binding ${LLVM_BINDINGS_LIST} )
801 if( EXISTS "${LLVM_MAIN_SRC_DIR}/bindings/${binding}/CMakeLists.txt" )
802 add_subdirectory(bindings/${binding})
806 add_subdirectory(projects)
808 if( LLVM_INCLUDE_TOOLS )
809 add_subdirectory(tools)
812 add_subdirectory(runtimes)
814 if( LLVM_INCLUDE_EXAMPLES )
815 add_subdirectory(examples)
818 if( LLVM_INCLUDE_TESTS )
819 if(EXISTS ${LLVM_MAIN_SRC_DIR}/projects/test-suite AND TARGET clang)
820 include(LLVMExternalProjectUtils)
821 llvm_ExternalProject_Add(test-suite ${LLVM_MAIN_SRC_DIR}/projects/test-suite
827 add_subdirectory(test)
828 add_subdirectory(unittests)
830 # This utility is used to prevent crashing tests from calling Dr. Watson on
832 add_subdirectory(utils/KillTheDoctor)
835 # Add a global check rule now that all subdirectories have been traversed
836 # and we know the total set of lit testsuites.
837 get_property(LLVM_LIT_TESTSUITES GLOBAL PROPERTY LLVM_LIT_TESTSUITES)
838 get_property(LLVM_LIT_PARAMS GLOBAL PROPERTY LLVM_LIT_PARAMS)
839 get_property(LLVM_LIT_DEPENDS GLOBAL PROPERTY LLVM_LIT_DEPENDS)
840 get_property(LLVM_LIT_EXTRA_ARGS GLOBAL PROPERTY LLVM_LIT_EXTRA_ARGS)
841 get_property(LLVM_ADDITIONAL_TEST_TARGETS
842 GLOBAL PROPERTY LLVM_ADDITIONAL_TEST_TARGETS)
843 get_property(LLVM_ADDITIONAL_TEST_DEPENDS
844 GLOBAL PROPERTY LLVM_ADDITIONAL_TEST_DEPENDS)
845 add_lit_target(check-all
846 "Running all regression tests"
847 ${LLVM_LIT_TESTSUITES}
848 PARAMS ${LLVM_LIT_PARAMS}
849 DEPENDS ${LLVM_LIT_DEPENDS} ${LLVM_ADDITIONAL_TEST_TARGETS}
850 ARGS ${LLVM_LIT_EXTRA_ARGS}
852 if(TARGET check-runtimes)
853 add_dependencies(check-all check-runtimes)
855 add_custom_target(test-depends
856 DEPENDS ${LLVM_LIT_DEPENDS} ${LLVM_ADDITIONAL_TEST_DEPENDS})
857 set_target_properties(test-depends PROPERTIES FOLDER "Tests")
860 if (LLVM_INCLUDE_DOCS)
861 add_subdirectory(docs)
864 add_subdirectory(cmake/modules)
866 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
867 install(DIRECTORY include/llvm include/llvm-c
869 COMPONENT llvm-headers
875 PATTERN "LICENSE.TXT"
876 PATTERN ".svn" EXCLUDE
879 install(DIRECTORY ${LLVM_INCLUDE_DIR}/llvm
881 COMPONENT llvm-headers
887 # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
888 PATTERN "CMakeFiles" EXCLUDE
889 PATTERN "config.h" EXCLUDE
890 PATTERN ".svn" EXCLUDE
893 # Installing the headers needs to depend on generating any public
894 # tablegen'd headers.
895 add_custom_target(llvm-headers DEPENDS intrinsics_gen)
897 if (NOT CMAKE_CONFIGURATION_TYPES)
898 add_custom_target(install-llvm-headers
900 COMMAND "${CMAKE_COMMAND}"
901 -DCMAKE_INSTALL_COMPONENT=llvm-headers
902 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
906 # This must be at the end of the LLVM root CMakeLists file because it must run
907 # after all targets are created.
908 if(LLVM_DISTRIBUTION_COMPONENTS)
909 if(CMAKE_CONFIGURATION_TYPES)
910 message(FATAL_ERROR "LLVM_DISTRIBUTION_COMPONENTS cannot be specified with multi-configuration generators (i.e. Xcode or Visual Studio)")
913 add_custom_target(distribution)
914 add_custom_target(install-distribution)
915 foreach(target ${LLVM_DISTRIBUTION_COMPONENTS})
917 add_dependencies(distribution ${target})
919 message(FATAL_ERROR "Specified distribution component '${target}' doesn't have a target")
922 if(TARGET install-${target})
923 add_dependencies(install-distribution install-${target})
925 message(FATAL_ERROR "Specified distribution component '${target}' doesn't have an install target")