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)
289 # List of targets with JIT support:
290 set(LLVM_TARGETS_WITH_JIT X86 PowerPC AArch64 ARM Mips SystemZ)
292 set(LLVM_TARGETS_TO_BUILD "all"
293 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
295 set(LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ""
296 CACHE STRING "Semicolon-separated list of experimental targets to build.")
298 option(BUILD_SHARED_LIBS
299 "Build all libraries as shared libraries instead of static" OFF)
301 option(LLVM_ENABLE_BACKTRACES "Enable embedding backtraces on crash." ON)
302 if(LLVM_ENABLE_BACKTRACES)
303 set(ENABLE_BACKTRACES 1)
306 option(LLVM_ENABLE_CRASH_OVERRIDES "Enable crash overrides." ON)
307 if(LLVM_ENABLE_CRASH_OVERRIDES)
308 set(ENABLE_CRASH_OVERRIDES 1)
311 option(LLVM_ENABLE_FFI "Use libffi to call external functions from the interpreter" OFF)
312 set(FFI_LIBRARY_DIR "" CACHE PATH "Additional directory, where CMake should search for libffi.so")
313 set(FFI_INCLUDE_DIR "" CACHE PATH "Additional directory, where CMake should search for ffi.h or ffi/ffi.h")
315 set(LLVM_TARGET_ARCH "host"
316 CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.")
318 option(LLVM_ENABLE_TERMINFO "Use terminfo database if available." ON)
320 option(LLVM_ENABLE_THREADS "Use threads if available." ON)
322 option(LLVM_ENABLE_ZLIB "Use zlib for compression/decompression if available." ON)
324 if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
325 set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
328 set(LLVM_TARGETS_TO_BUILD
329 ${LLVM_TARGETS_TO_BUILD}
330 ${LLVM_EXPERIMENTAL_TARGETS_TO_BUILD})
331 list(REMOVE_DUPLICATES LLVM_TARGETS_TO_BUILD)
333 include(AddLLVMDefinitions)
335 option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON)
336 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON)
337 option(LLVM_ENABLE_MODULES "Compile with C++ modules enabled." OFF)
338 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
339 option(LLVM_ENABLE_MODULE_DEBUGGING "Compile with -gmodules." ON)
340 option(LLVM_ENABLE_LOCAL_SUBMODULE_VISIBILITY "Compile with -fmodules-local-submodule-visibility." OFF)
342 option(LLVM_ENABLE_MODULE_DEBUGGING "Compile with -gmodules." OFF)
343 option(LLVM_ENABLE_LOCAL_SUBMODULE_VISIBILITY "Compile with -fmodules-local-submodule-visibility." ON)
345 option(LLVM_ENABLE_CXX1Y "Compile with C++1y enabled." OFF)
346 option(LLVM_ENABLE_LIBCXX "Use libc++ if available." OFF)
347 option(LLVM_ENABLE_LLD "Use lld as C and C++ linker." OFF)
348 option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
349 option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
351 if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG" )
352 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
354 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
357 option(LLVM_ENABLE_EXPENSIVE_CHECKS "Enable expensive checks" OFF)
359 set(LLVM_ABI_BREAKING_CHECKS "WITH_ASSERTS" CACHE STRING
360 "Enable abi-breaking checks. Can be WITH_ASSERTS, FORCE_ON or FORCE_OFF.")
362 option(LLVM_FORCE_USE_OLD_HOST_TOOLCHAIN
363 "Set to ON to force using an old, unsupported host toolchain." OFF)
365 option(LLVM_USE_INTEL_JITEVENTS
366 "Use Intel JIT API to inform Intel(R) VTune(TM) Amplifier XE 2011 about JIT code"
369 if( LLVM_USE_INTEL_JITEVENTS )
370 # Verify we are on a supported platform
371 if( NOT CMAKE_SYSTEM_NAME MATCHES "Windows" AND NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
373 "Intel JIT API support is available on Linux and Windows only.")
375 endif( LLVM_USE_INTEL_JITEVENTS )
377 option(LLVM_USE_OPROFILE
378 "Use opagent JIT interface to inform OProfile about JIT code" OFF)
380 option(LLVM_EXTERNALIZE_DEBUGINFO
381 "Generate dSYM files and strip executables and libraries (Darwin Only)" OFF)
383 # If enabled, verify we are on a platform that supports oprofile.
384 if( LLVM_USE_OPROFILE )
385 if( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
386 message(FATAL_ERROR "OProfile support is available on Linux only.")
387 endif( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
388 endif( LLVM_USE_OPROFILE )
390 set(LLVM_USE_SANITIZER "" CACHE STRING
391 "Define the sanitizer used to build binaries and tests.")
393 option(LLVM_USE_SPLIT_DWARF
394 "Use -gsplit-dwarf when compiling llvm." OFF)
396 option(LLVM_POLLY_LINK_INTO_TOOLS "Statically link Polly into tools (if available)" ON)
397 option(LLVM_POLLY_BUILD "Build LLVM with Polly" ON)
399 if (EXISTS ${LLVM_MAIN_SRC_DIR}/tools/polly/CMakeLists.txt)
400 set(POLLY_IN_TREE TRUE)
401 elseif(LLVM_EXTERNAL_POLLY_SOURCE_DIR)
402 set(POLLY_IN_TREE TRUE)
404 set(POLLY_IN_TREE FALSE)
407 if (LLVM_POLLY_BUILD AND POLLY_IN_TREE)
413 if (LLVM_POLLY_LINK_INTO_TOOLS AND WITH_POLLY)
414 set(LINK_POLLY_INTO_TOOLS ON)
416 set(LINK_POLLY_INTO_TOOLS OFF)
419 # Define an option controlling whether we should build for 32-bit on 64-bit
420 # platforms, where supported.
421 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
422 # TODO: support other platforms and toolchains.
423 option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
426 # Define the default arguments to use with 'lit', and an option for the user to
428 set(LIT_ARGS_DEFAULT "-sv")
429 if (MSVC_IDE OR XCODE)
430 set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
432 set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit")
434 # On Win32 hosts, provide an option to specify the path to the GnuWin32 tools.
435 if( WIN32 AND NOT CYGWIN )
436 set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools")
439 # Define options to control the inclusion and default build behavior for
440 # components which may not strictly be necessary (tools, examples, and tests).
442 # This is primarily to support building smaller or faster project files.
443 option(LLVM_INCLUDE_TOOLS "Generate build targets for the LLVM tools." ON)
444 option(LLVM_BUILD_TOOLS
445 "Build the LLVM tools. If OFF, just generate build targets." ON)
447 option(LLVM_INCLUDE_UTILS "Generate build targets for the LLVM utils." ON)
448 option(LLVM_BUILD_UTILS
449 "Build LLVM utility binaries. If OFF, just generate build targets." ON)
451 option(LLVM_BUILD_RUNTIME
452 "Build the LLVM runtime libraries." ON)
453 option(LLVM_BUILD_EXAMPLES
454 "Build the LLVM example programs. If OFF, just generate build targets." OFF)
455 option(LLVM_INCLUDE_EXAMPLES "Generate build targets for the LLVM examples" ON)
457 option(LLVM_BUILD_TESTS
458 "Build LLVM unit tests. If OFF, just generate build targets." OFF)
459 option(LLVM_INCLUDE_TESTS "Generate build targets for the LLVM unit tests." ON)
460 option(LLVM_INCLUDE_GO_TESTS "Include the Go bindings tests in test build targets." ON)
462 option (LLVM_BUILD_DOCS "Build the llvm documentation." OFF)
463 option (LLVM_INCLUDE_DOCS "Generate build targets for llvm documentation." ON)
464 option (LLVM_ENABLE_DOXYGEN "Use doxygen to generate llvm API documentation." OFF)
465 option (LLVM_ENABLE_SPHINX "Use Sphinx to generate llvm documentation." OFF)
466 option (LLVM_ENABLE_OCAMLDOC "Build OCaml bindings documentation." ON)
468 set(LLVM_INSTALL_DOXYGEN_HTML_DIR "share/doc/llvm/doxygen-html"
469 CACHE STRING "Doxygen-generated HTML documentation install directory")
470 set(LLVM_INSTALL_OCAMLDOC_HTML_DIR "share/doc/llvm/ocaml-html"
471 CACHE STRING "OCamldoc-generated HTML documentation install directory")
473 option (LLVM_BUILD_EXTERNAL_COMPILER_RT
474 "Build compiler-rt as an external project." OFF)
476 # You can configure which libraries from LLVM you want to include in the
477 # shared library by setting LLVM_DYLIB_COMPONENTS to a semi-colon delimited
478 # list of LLVM components. All component names handled by llvm-config are valid.
479 if(NOT DEFINED LLVM_DYLIB_COMPONENTS)
480 set(LLVM_DYLIB_COMPONENTS "all" CACHE STRING
481 "Semicolon-separated list of components to include in libLLVM, or \"all\".")
483 option(LLVM_LINK_LLVM_DYLIB "Link tools against the libllvm dynamic library" OFF)
484 option(LLVM_BUILD_LLVM_C_DYLIB "Build libllvm-c re-export library (Darwin Only)" OFF)
485 set(LLVM_BUILD_LLVM_DYLIB_default OFF)
486 if(LLVM_LINK_LLVM_DYLIB OR LLVM_BUILD_LLVM_C_DYLIB)
487 set(LLVM_BUILD_LLVM_DYLIB_default ON)
489 option(LLVM_BUILD_LLVM_DYLIB "Build libllvm dynamic library" ${LLVM_BUILD_LLVM_DYLIB_default})
491 option(LLVM_OPTIMIZED_TABLEGEN "Force TableGen to be built with optimization" OFF)
492 if(CMAKE_CROSSCOMPILING OR (LLVM_OPTIMIZED_TABLEGEN AND LLVM_ENABLE_ASSERTIONS))
493 set(LLVM_USE_HOST_TOOLS ON)
496 if (MSVC_IDE AND NOT (MSVC_VERSION LESS 1900))
497 option(LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION "Configure project to use Visual Studio native visualizers" TRUE)
499 set(LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION FALSE CACHE INTERNAL "For Visual Studio 2013, manually copy natvis files to Documents\\Visual Studio 2013\\Visualizers" FORCE)
502 if (LLVM_BUILD_INSTRUMENTED OR LLVM_BUILD_INSTRUMENTED_COVERAGE)
503 if(NOT LLVM_PROFILE_MERGE_POOL_SIZE)
504 # A pool size of 1-2 is probably sufficient on a SSD. 3-4 should be fine
505 # for spining disks. Anything higher may only help on slower mediums.
506 set(LLVM_PROFILE_MERGE_POOL_SIZE "4")
508 if(NOT LLVM_PROFILE_FILE_PATTERN)
509 if(NOT LLVM_PROFILE_DATA_DIR)
510 file(TO_NATIVE_PATH "${LLVM_BINARY_DIR}/profiles/%${LLVM_PROFILE_MERGE_POOL_SIZE}m.profraw" LLVM_PROFILE_FILE_PATTERN)
512 file(TO_NATIVE_PATH "${LLVM_PROFILE_DATA_DIR}/%${LLVM_PROFILE_MERGE_POOL_SIZE}m.profraw" LLVM_PROFILE_FILE_PATTERN)
517 # All options referred to from HandleLLVMOptions have to be specified
518 # BEFORE this include, otherwise options will not be correctly set on
522 string(REPLACE "Native" ${LLVM_NATIVE_ARCH}
523 LLVM_TARGETS_TO_BUILD "${LLVM_TARGETS_TO_BUILD}")
524 list(REMOVE_DUPLICATES LLVM_TARGETS_TO_BUILD)
526 # By default, we target the host, but this can be overridden at CMake
528 set(LLVM_DEFAULT_TARGET_TRIPLE "${LLVM_HOST_TRIPLE}" CACHE STRING
529 "Default target for which LLVM will generate code." )
530 set(TARGET_TRIPLE "${LLVM_DEFAULT_TARGET_TRIPLE}")
531 message(STATUS "LLVM host triple: ${LLVM_HOST_TRIPLE}")
532 message(STATUS "LLVM default target triple: ${LLVM_DEFAULT_TARGET_TRIPLE}")
534 include(HandleLLVMOptions)
536 # Verify that we can find a Python 2 interpreter. Python 3 is unsupported.
537 # FIXME: We should support systems with only Python 3, but that requires work
539 set(Python_ADDITIONAL_VERSIONS 2.7)
540 include(FindPythonInterp)
541 if( NOT PYTHONINTERP_FOUND )
543 "Unable to find Python interpreter, required for builds and testing.
545 Please install Python or specify the PYTHON_EXECUTABLE CMake variable.")
548 if( ${PYTHON_VERSION_STRING} VERSION_LESS 2.7 )
549 message(FATAL_ERROR "Python 2.7 or newer is required")
553 # LLVMBuild Integration
555 # We use llvm-build to generate all the data required by the CMake based
556 # build system in one swoop:
558 # - We generate a file (a CMake fragment) in the object root which contains
559 # all the definitions that are required by CMake.
561 # - We generate the library table used by llvm-config.
563 # - We generate the dependencies for the CMake fragment, so that we will
564 # automatically reconfigure outselves.
566 set(LLVMBUILDTOOL "${LLVM_MAIN_SRC_DIR}/utils/llvm-build/llvm-build")
567 set(LLVMCONFIGLIBRARYDEPENDENCIESINC
568 "${LLVM_BINARY_DIR}/tools/llvm-config/LibraryDependencies.inc")
569 set(LLVMBUILDCMAKEFRAG
570 "${LLVM_BINARY_DIR}/LLVMBuild.cmake")
572 # Create the list of optional components that are enabled
573 if (LLVM_USE_INTEL_JITEVENTS)
574 set(LLVMOPTIONALCOMPONENTS IntelJITEvents)
575 endif (LLVM_USE_INTEL_JITEVENTS)
576 if (LLVM_USE_OPROFILE)
577 set(LLVMOPTIONALCOMPONENTS ${LLVMOPTIONALCOMPONENTS} OProfileJIT)
578 endif (LLVM_USE_OPROFILE)
580 message(STATUS "Constructing LLVMBuild project information")
582 COMMAND ${PYTHON_EXECUTABLE} ${LLVMBUILDTOOL}
583 --native-target "${LLVM_NATIVE_ARCH}"
584 --enable-targets "${LLVM_TARGETS_TO_BUILD}"
585 --enable-optional-components "${LLVMOPTIONALCOMPONENTS}"
586 --write-library-table ${LLVMCONFIGLIBRARYDEPENDENCIESINC}
587 --write-cmake-fragment ${LLVMBUILDCMAKEFRAG}
588 OUTPUT_VARIABLE LLVMBUILDOUTPUT
589 ERROR_VARIABLE LLVMBUILDERRORS
590 OUTPUT_STRIP_TRAILING_WHITESPACE
591 ERROR_STRIP_TRAILING_WHITESPACE
592 RESULT_VARIABLE LLVMBUILDRESULT)
594 # On Win32, CMake doesn't properly handle piping the default output/error
595 # streams into the GUI console. So, we explicitly catch and report them.
596 if( NOT "${LLVMBUILDOUTPUT}" STREQUAL "")
597 message(STATUS "llvm-build output: ${LLVMBUILDOUTPUT}")
599 if( NOT "${LLVMBUILDRESULT}" STREQUAL "0" )
601 "Unexpected failure executing llvm-build: ${LLVMBUILDERRORS}")
604 # Include the generated CMake fragment. This will define properties from the
605 # LLVMBuild files in a format which is easy to consume from CMake, and will add
606 # the dependencies so that CMake will reconfigure properly when the LLVMBuild
608 include(${LLVMBUILDCMAKEFRAG})
612 # Configure all of the various header file fragments LLVM uses which depend on
613 # configuration variables.
614 set(LLVM_ENUM_TARGETS "")
615 set(LLVM_ENUM_ASM_PRINTERS "")
616 set(LLVM_ENUM_ASM_PARSERS "")
617 set(LLVM_ENUM_DISASSEMBLERS "")
618 foreach(t ${LLVM_TARGETS_TO_BUILD})
619 set( td ${LLVM_MAIN_SRC_DIR}/lib/Target/${t} )
621 list(FIND LLVM_ALL_TARGETS ${t} idx)
622 list(FIND LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ${t} idy)
623 if( idx LESS 0 AND idy LESS 0 )
624 message(FATAL_ERROR "The target `${t}' does not exist.
625 It should be one of\n${LLVM_ALL_TARGETS}")
627 set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${t})\n")
630 file(GLOB asmp_file "${td}/*AsmPrinter.cpp")
632 set(LLVM_ENUM_ASM_PRINTERS
633 "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n")
635 if( EXISTS ${td}/AsmParser/CMakeLists.txt )
636 set(LLVM_ENUM_ASM_PARSERS
637 "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n")
639 if( EXISTS ${td}/Disassembler/CMakeLists.txt )
640 set(LLVM_ENUM_DISASSEMBLERS
641 "${LLVM_ENUM_DISASSEMBLERS}LLVM_DISASSEMBLER(${t})\n")
645 # Produce the target definition files, which provide a way for clients to easily
646 # include various classes of targets.
648 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in
649 ${LLVM_INCLUDE_DIR}/llvm/Config/AsmPrinters.def
652 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in
653 ${LLVM_INCLUDE_DIR}/llvm/Config/AsmParsers.def
656 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Disassemblers.def.in
657 ${LLVM_INCLUDE_DIR}/llvm/Config/Disassemblers.def
660 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in
661 ${LLVM_INCLUDE_DIR}/llvm/Config/Targets.def
664 # Configure the three LLVM configuration header files.
666 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/config.h.cmake
667 ${LLVM_INCLUDE_DIR}/llvm/Config/config.h)
669 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/llvm-config.h.cmake
670 ${LLVM_INCLUDE_DIR}/llvm/Config/llvm-config.h)
672 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Support/DataTypes.h.cmake
673 ${LLVM_INCLUDE_DIR}/llvm/Support/DataTypes.h)
675 # They are not referenced. See set_output_directory().
676 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/bin )
677 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} )
678 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} )
680 set(CMAKE_BUILD_WITH_INSTALL_RPATH ON)
682 set(CMAKE_INSTALL_NAME_DIR "@rpath")
683 set(CMAKE_INSTALL_RPATH "@executable_path/../lib")
685 if(NOT DEFINED CMAKE_INSTALL_RPATH)
686 set(CMAKE_INSTALL_RPATH "\$ORIGIN/../lib${LLVM_LIBDIR_SUFFIX}")
687 if(${CMAKE_SYSTEM_NAME} MATCHES "(FreeBSD|DragonFly)")
688 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-z,origin")
689 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,-z,origin")
691 endif(NOT DEFINED CMAKE_INSTALL_RPATH)
694 if(APPLE AND DARWIN_LTO_LIBRARY)
695 set(CMAKE_EXE_LINKER_FLAGS
696 "${CMAKE_EXE_LINKER_FLAGS} -Wl,-lto_library -Wl,${DARWIN_LTO_LIBRARY}")
697 set(CMAKE_SHARED_LINKER_FLAGS
698 "${CMAKE_SHARED_LINKER_FLAGS} -Wl,-lto_library -Wl,${DARWIN_LTO_LIBRARY}")
699 set(CMAKE_MODULE_LINKER_FLAGS
700 "${CMAKE_MODULE_LINKER_FLAGS} -Wl,-lto_library -Wl,${DARWIN_LTO_LIBRARY}")
703 # Work around a broken bfd ld behavior. When linking a binary with a
704 # foo.so library, it will try to find any library that foo.so uses and
705 # check its symbols. This is wasteful (the check was done when foo.so
706 # was created) and can fail since it is not the dynamic linker and
707 # doesn't know how to handle search paths correctly.
708 if (UNIX AND NOT APPLE AND NOT ${CMAKE_SYSTEM_NAME} MATCHES "SunOS|AIX")
709 set(CMAKE_EXE_LINKER_FLAGS
710 "${CMAKE_EXE_LINKER_FLAGS} -Wl,-allow-shlib-undefined")
713 set(CMAKE_INCLUDE_CURRENT_DIR ON)
715 include_directories( ${LLVM_INCLUDE_DIR} ${LLVM_MAIN_INCLUDE_DIR})
717 # when crosscompiling import the executable targets from a file
718 if(LLVM_USE_HOST_TOOLS)
719 include(CrossCompile)
720 endif(LLVM_USE_HOST_TOOLS)
721 if(LLVM_TARGET_IS_CROSSCOMPILE_HOST)
722 # Dummy use to avoid CMake Wraning: Manually-specified variables were not used
723 # (this is a variable that CrossCompile sets on recursive invocations)
726 if(${CMAKE_SYSTEM_NAME} MATCHES "(FreeBSD|DragonFly)")
727 # On FreeBSD, /usr/local/* is not used by default. In order to build LLVM
728 # with libxml2, iconv.h, etc., we must add /usr/local paths.
729 include_directories("/usr/local/include")
730 link_directories("/usr/local/lib")
731 endif(${CMAKE_SYSTEM_NAME} MATCHES "(FreeBSD|DragonFly)")
733 if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
734 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -include llvm/Support/Solaris.h")
735 endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
737 # Make sure we don't get -rdynamic in every binary. For those that need it,
738 # use export_executable_symbols(target).
739 set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "")
741 set(LLVM_PROFDATA_FILE "" CACHE FILEPATH
742 "Profiling data file to use when compiling in order to improve runtime performance.")
744 if(LLVM_PROFDATA_FILE AND EXISTS ${LLVM_PROFDATA_FILE})
745 if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" )
746 add_definitions("-fprofile-instr-use=${LLVM_PROFDATA_FILE}")
748 message(FATAL_ERROR "LLVM_PROFDATA_FILE can only be specified when compiling with clang")
756 # People report that -O3 is unreliable on MinGW. The traditional
757 # build also uses -O2 for that reason:
758 llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2")
761 # Put this before tblgen. Else we have a circular dependence.
762 add_subdirectory(lib/Demangle)
763 add_subdirectory(lib/Support)
764 add_subdirectory(lib/TableGen)
766 add_subdirectory(utils/TableGen)
768 # Force target to be built as soon as possible. Clang modules builds depend
769 # header-wise on it as they ship all headers from the umbrella folders. Building
770 # an entire module might include header, which depends on intrinsics_gen. This
771 # should be right after LLVMSupport and LLVMTableGen otherwise we introduce a
772 # circular dependence.
773 if (LLVM_ENABLE_MODULES)
774 list(APPEND LLVM_COMMON_DEPENDS intrinsics_gen)
775 endif(LLVM_ENABLE_MODULES)
777 add_subdirectory(include/llvm)
779 add_subdirectory(lib)
781 if( LLVM_INCLUDE_UTILS )
782 add_subdirectory(utils/FileCheck)
783 add_subdirectory(utils/PerfectShuffle)
784 add_subdirectory(utils/count)
785 add_subdirectory(utils/not)
786 add_subdirectory(utils/llvm-lit)
787 add_subdirectory(utils/yaml-bench)
788 add_subdirectory(utils/unittest)
790 if ( LLVM_INCLUDE_TESTS )
791 message(FATAL_ERROR "Including tests when not building utils will not work.
792 Either set LLVM_INCLUDE_UTILS to On, or set LLVM_INCLDE_TESTS to Off.")
796 # Use LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION instead of LLVM_INCLUDE_UTILS because it is not really a util
797 if (LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION)
798 add_subdirectory(utils/LLVMVisualizers)
801 foreach( binding ${LLVM_BINDINGS_LIST} )
802 if( EXISTS "${LLVM_MAIN_SRC_DIR}/bindings/${binding}/CMakeLists.txt" )
803 add_subdirectory(bindings/${binding})
807 add_subdirectory(projects)
809 if( LLVM_INCLUDE_TOOLS )
810 add_subdirectory(tools)
813 add_subdirectory(runtimes)
815 if( LLVM_INCLUDE_EXAMPLES )
816 add_subdirectory(examples)
819 if( LLVM_INCLUDE_TESTS )
820 if(EXISTS ${LLVM_MAIN_SRC_DIR}/projects/test-suite AND TARGET clang)
821 include(LLVMExternalProjectUtils)
822 llvm_ExternalProject_Add(test-suite ${LLVM_MAIN_SRC_DIR}/projects/test-suite
828 add_subdirectory(test)
829 add_subdirectory(unittests)
831 # This utility is used to prevent crashing tests from calling Dr. Watson on
833 add_subdirectory(utils/KillTheDoctor)
836 # Add a global check rule now that all subdirectories have been traversed
837 # and we know the total set of lit testsuites.
838 get_property(LLVM_LIT_TESTSUITES GLOBAL PROPERTY LLVM_LIT_TESTSUITES)
839 get_property(LLVM_LIT_PARAMS GLOBAL PROPERTY LLVM_LIT_PARAMS)
840 get_property(LLVM_LIT_DEPENDS GLOBAL PROPERTY LLVM_LIT_DEPENDS)
841 get_property(LLVM_LIT_EXTRA_ARGS GLOBAL PROPERTY LLVM_LIT_EXTRA_ARGS)
842 get_property(LLVM_ADDITIONAL_TEST_TARGETS
843 GLOBAL PROPERTY LLVM_ADDITIONAL_TEST_TARGETS)
844 get_property(LLVM_ADDITIONAL_TEST_DEPENDS
845 GLOBAL PROPERTY LLVM_ADDITIONAL_TEST_DEPENDS)
846 add_lit_target(check-all
847 "Running all regression tests"
848 ${LLVM_LIT_TESTSUITES}
849 PARAMS ${LLVM_LIT_PARAMS}
850 DEPENDS ${LLVM_LIT_DEPENDS} ${LLVM_ADDITIONAL_TEST_TARGETS}
851 ARGS ${LLVM_LIT_EXTRA_ARGS}
853 if(TARGET check-runtimes)
854 add_dependencies(check-all check-runtimes)
856 add_custom_target(test-depends
857 DEPENDS ${LLVM_LIT_DEPENDS} ${LLVM_ADDITIONAL_TEST_DEPENDS})
858 set_target_properties(test-depends PROPERTIES FOLDER "Tests")
861 if (LLVM_INCLUDE_DOCS)
862 add_subdirectory(docs)
865 add_subdirectory(cmake/modules)
867 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
868 install(DIRECTORY include/llvm include/llvm-c
870 COMPONENT llvm-headers
876 PATTERN "LICENSE.TXT"
877 PATTERN ".svn" EXCLUDE
880 install(DIRECTORY ${LLVM_INCLUDE_DIR}/llvm
882 COMPONENT llvm-headers
888 # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
889 PATTERN "CMakeFiles" EXCLUDE
890 PATTERN "config.h" EXCLUDE
891 PATTERN ".svn" EXCLUDE
894 # Installing the headers needs to depend on generating any public
895 # tablegen'd headers.
896 add_custom_target(llvm-headers DEPENDS intrinsics_gen)
898 if (NOT CMAKE_CONFIGURATION_TYPES)
899 add_custom_target(install-llvm-headers
901 COMMAND "${CMAKE_COMMAND}"
902 -DCMAKE_INSTALL_COMPONENT=llvm-headers
903 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
907 # This must be at the end of the LLVM root CMakeLists file because it must run
908 # after all targets are created.
909 if(LLVM_DISTRIBUTION_COMPONENTS)
910 if(CMAKE_CONFIGURATION_TYPES)
911 message(FATAL_ERROR "LLVM_DISTRIBUTION_COMPONENTS cannot be specified with multi-configuration generators (i.e. Xcode or Visual Studio)")
914 add_custom_target(distribution)
915 add_custom_target(install-distribution)
916 foreach(target ${LLVM_DISTRIBUTION_COMPONENTS})
918 add_dependencies(distribution ${target})
920 message(FATAL_ERROR "Specified distribution component '${target}' doesn't have a target")
923 if(TARGET install-${target})
924 add_dependencies(install-distribution install-${target})
926 message(FATAL_ERROR "Specified distribution component '${target}' doesn't have an install target")