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)
18 if(NOT DEFINED LLVM_VERSION_MAJOR)
19 set(LLVM_VERSION_MAJOR 4)
21 if(NOT DEFINED LLVM_VERSION_MINOR)
22 set(LLVM_VERSION_MINOR 0)
24 if(NOT DEFINED LLVM_VERSION_PATCH)
25 set(LLVM_VERSION_PATCH 0)
27 if(NOT DEFINED LLVM_VERSION_SUFFIX)
28 set(LLVM_VERSION_SUFFIX svn)
32 cmake_policy(SET CMP0048 NEW)
33 set(cmake_3_0_PROJ_VERSION
34 VERSION ${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH})
35 set(cmake_3_0_LANGUAGES LANGUAGES)
38 if (NOT PACKAGE_VERSION)
40 "${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}${LLVM_VERSION_SUFFIX}")
44 ${cmake_3_0_PROJ_VERSION}
45 ${cmake_3_0_LANGUAGES}
48 if (NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
49 message(STATUS "No build type selected, default to Debug")
50 set(CMAKE_BUILD_TYPE "Debug" CACHE STRING "Build type (default Debug)")
53 # This should only apply if you are both on an Apple host, and targeting Apple.
54 if(CMAKE_HOST_APPLE AND APPLE)
56 find_program(CMAKE_XCRUN NAMES xcrun)
59 execute_process(COMMAND ${CMAKE_XCRUN} -find libtool
60 OUTPUT_VARIABLE CMAKE_LIBTOOL
61 OUTPUT_STRIP_TRAILING_WHITESPACE)
64 if(NOT CMAKE_LIBTOOL OR NOT EXISTS CMAKE_LIBTOOL)
65 find_program(CMAKE_LIBTOOL NAMES libtool)
68 get_property(languages GLOBAL PROPERTY ENABLED_LANGUAGES)
70 set(CMAKE_LIBTOOL ${CMAKE_LIBTOOL} CACHE PATH "libtool executable")
71 message(STATUS "Found libtool - ${CMAKE_LIBTOOL}")
72 foreach(lang ${languages})
73 set(CMAKE_${lang}_CREATE_STATIC_LIBRARY
74 "${CMAKE_LIBTOOL} -static -o <TARGET> <LINK_FLAGS> <OBJECTS> ")
78 # If DYLD_LIBRARY_PATH is set we need to set it on archiver commands
80 set(dyld_envar "DYLD_LIBRARY_PATH=${DYLD_LIBRARY_PATH}")
81 foreach(lang ${languages})
82 foreach(cmd ${CMAKE_${lang}_CREATE_STATIC_LIBRARY})
83 list(APPEND CMAKE_${lang}_CREATE_STATIC_LIBRARY_NEW
84 "${dyld_envar} ${cmd}")
86 set(CMAKE_${lang}_CREATE_STATIC_LIBRARY
87 ${CMAKE_${lang}_CREATE_STATIC_LIBRARY_NEW})
92 # The following only works with the Ninja generator in CMake >= 3.0.
93 set(LLVM_PARALLEL_COMPILE_JOBS "" CACHE STRING
94 "Define the maximum number of concurrent compilation jobs.")
95 if(LLVM_PARALLEL_COMPILE_JOBS)
96 if(NOT CMAKE_MAKE_PROGRAM MATCHES "ninja")
97 message(WARNING "Job pooling is only available with Ninja generators.")
99 set_property(GLOBAL APPEND PROPERTY JOB_POOLS compile_job_pool=${LLVM_PARALLEL_COMPILE_JOBS})
100 set(CMAKE_JOB_POOL_COMPILE compile_job_pool)
104 # Build llvm with ccache if the package is present
105 set(LLVM_CCACHE_BUILD OFF CACHE BOOL "Set to ON for a ccache enabled build")
106 if(LLVM_CCACHE_BUILD)
107 find_program(CCACHE_PROGRAM ccache)
109 set(LLVM_CCACHE_SIZE "" CACHE STRING "Size of ccache")
110 set(LLVM_CCACHE_DIR "" CACHE STRING "Directory to keep ccached data")
111 set(CCACHE_PROGRAM "CCACHE_CPP2=yes CCACHE_HASHDIR=yes ${CCACHE_PROGRAM}")
112 if (LLVM_CCACHE_SIZE)
113 set(CCACHE_PROGRAM "CCACHE_SIZE=${LLVM_CCACHE_SIZE} ${CCACHE_PROGRAM}")
116 set(CCACHE_PROGRAM "CCACHE_DIR=${LLVM_CCACHE_DIR} ${CCACHE_PROGRAM}")
118 set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ${CCACHE_PROGRAM})
120 message(FATAL_ERROR "Unable to find the program ccache. Set LLVM_CCACHE_BUILD to OFF")
124 option(LLVM_BUILD_GLOBAL_ISEL "Experimental: Build GlobalISel" OFF)
125 if(LLVM_BUILD_GLOBAL_ISEL)
126 add_definitions(-DLLVM_BUILD_GLOBAL_ISEL)
129 set(LLVM_PARALLEL_LINK_JOBS "" CACHE STRING
130 "Define the maximum number of concurrent link jobs.")
131 if(LLVM_PARALLEL_LINK_JOBS)
132 if(NOT CMAKE_MAKE_PROGRAM MATCHES "ninja")
133 message(WARNING "Job pooling is only available with Ninja generators.")
135 set_property(GLOBAL APPEND PROPERTY JOB_POOLS link_job_pool=${LLVM_PARALLEL_LINK_JOBS})
136 set(CMAKE_JOB_POOL_LINK link_job_pool)
140 # Add path for custom modules
141 set(CMAKE_MODULE_PATH
143 "${CMAKE_CURRENT_SOURCE_DIR}/cmake"
144 "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules"
147 # Generate a CompilationDatabase (compile_commands.json file) for our build,
148 # for use by clang_complete, YouCompleteMe, etc.
149 set(CMAKE_EXPORT_COMPILE_COMMANDS 1)
151 option(LLVM_INSTALL_UTILS "Include utility binaries in the 'install' target." OFF)
153 option(LLVM_INSTALL_TOOLCHAIN_ONLY "Only include toolchain files in the 'install' target." OFF)
155 option(LLVM_USE_FOLDERS "Enable solution folders in Visual Studio. Disable for Express versions." ON)
156 if ( LLVM_USE_FOLDERS )
157 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
160 include(VersionFromVCS)
162 option(LLVM_APPEND_VC_REV
163 "Append the version control system revision id to LLVM version" OFF)
165 if( LLVM_APPEND_VC_REV )
166 add_version_info_from_vcs(PACKAGE_VERSION)
169 set(PACKAGE_NAME LLVM)
170 set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
171 set(PACKAGE_BUGREPORT "http://llvm.org/bugs/")
173 set(BUG_REPORT_URL "${PACKAGE_BUGREPORT}" CACHE STRING
174 "Default URL where bug reports are to be submitted.")
177 set(CPACK_PACKAGE_INSTALL_DIRECTORY "LLVM")
178 set(CPACK_PACKAGE_VENDOR "LLVM")
179 set(CPACK_PACKAGE_VERSION_MAJOR ${LLVM_VERSION_MAJOR})
180 set(CPACK_PACKAGE_VERSION_MINOR ${LLVM_VERSION_MINOR})
181 set(CPACK_PACKAGE_VERSION_PATCH ${LLVM_VERSION_PATCH})
182 set(CPACK_PACKAGE_VERSION ${PACKAGE_VERSION})
183 set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE.TXT")
184 set(CPACK_NSIS_COMPRESSOR "/SOLID lzma \r\n SetCompressorDictSize 32")
185 if(WIN32 AND NOT UNIX)
186 set(CPACK_PACKAGE_INSTALL_REGISTRY_KEY "LLVM")
187 set(CPACK_PACKAGE_ICON "${CMAKE_CURRENT_SOURCE_DIR}\\\\cmake\\\\nsis_logo.bmp")
188 set(CPACK_NSIS_MUI_ICON "${CMAKE_CURRENT_SOURCE_DIR}\\\\cmake\\\\nsis_icon.ico")
189 set(CPACK_NSIS_MUI_UNIICON "${CMAKE_CURRENT_SOURCE_DIR}\\\\cmake\\\\nsis_icon.ico")
190 set(CPACK_NSIS_MODIFY_PATH "ON")
191 set(CPACK_NSIS_ENABLE_UNINSTALL_BEFORE_INSTALL "ON")
192 set(CPACK_NSIS_EXTRA_INSTALL_COMMANDS
193 "ExecWait '$INSTDIR/tools/msbuild/install.bat'")
194 set(CPACK_NSIS_EXTRA_UNINSTALL_COMMANDS
195 "ExecWait '$INSTDIR/tools/msbuild/uninstall.bat'")
197 set(CPACK_NSIS_INSTALL_ROOT "$PROGRAMFILES64")
202 # Sanity check our source directory to make sure that we are not trying to
203 # generate an in-tree build (unless on MSVC_IDE, where it is ok), and to make
204 # sure that we don't have any stray generated files lying around in the tree
205 # (which would end up getting picked up by header search, instead of the correct
207 if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE )
208 message(FATAL_ERROR "In-source builds are not allowed.
209 CMake would overwrite the makefiles distributed with LLVM.
210 Please create a directory and run cmake from there, passing the path
211 to this source directory as the last argument.
212 This process created the file `CMakeCache.txt' and the directory `CMakeFiles'.
213 Please delete them.")
215 if( NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR )
217 tablegenned_files_on_include_dir
218 "${CMAKE_CURRENT_SOURCE_DIR}/include/llvm/*.gen")
220 tablegenned_files_on_lib_dir
221 "${CMAKE_CURRENT_SOURCE_DIR}/lib/Target/*.inc")
222 if( tablegenned_files_on_include_dir OR tablegenned_files_on_lib_dir)
223 message(FATAL_ERROR "Apparently there is a previous in-source build,
224 probably as the result of running `configure' and `make' on
225 ${CMAKE_CURRENT_SOURCE_DIR}.
226 This may cause problems. The suspicious files are:
227 ${tablegenned_files_on_lib_dir}
228 ${tablegenned_files_on_include_dir}
229 Please clean the source directory.")
233 string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE)
235 if (CMAKE_BUILD_TYPE AND
236 NOT uppercase_CMAKE_BUILD_TYPE MATCHES "^(DEBUG|RELEASE|RELWITHDEBINFO|MINSIZEREL)$")
237 message(FATAL_ERROR "Invalid value for CMAKE_BUILD_TYPE: ${CMAKE_BUILD_TYPE}")
240 set(LLVM_LIBDIR_SUFFIX "" CACHE STRING "Define suffix of library directory name (32/64)" )
242 set(LLVM_TOOLS_INSTALL_DIR "bin" CACHE STRING "Path for binary subdirectory (defaults to 'bin')")
243 mark_as_advanced(LLVM_TOOLS_INSTALL_DIR)
245 # They are used as destination of target generators.
246 set(LLVM_RUNTIME_OUTPUT_INTDIR ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/bin)
247 set(LLVM_LIBRARY_OUTPUT_INTDIR ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib${LLVM_LIBDIR_SUFFIX})
249 # DLL platform -- put DLLs into bin.
250 set(LLVM_SHLIB_OUTPUT_INTDIR ${LLVM_RUNTIME_OUTPUT_INTDIR})
252 set(LLVM_SHLIB_OUTPUT_INTDIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
255 # Each of them corresponds to llvm-config's.
256 set(LLVM_TOOLS_BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR}) # --bindir
257 set(LLVM_LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}) # --libdir
258 set(LLVM_MAIN_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR} ) # --src-root
259 set(LLVM_MAIN_INCLUDE_DIR ${LLVM_MAIN_SRC_DIR}/include ) # --includedir
260 set(LLVM_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR} ) # --prefix
262 set(LLVM_EXAMPLES_BINARY_DIR ${LLVM_BINARY_DIR}/examples)
263 set(LLVM_INCLUDE_DIR ${CMAKE_CURRENT_BINARY_DIR}/include)
282 # List of targets with JIT support:
283 set(LLVM_TARGETS_WITH_JIT X86 PowerPC AArch64 ARM Mips SystemZ)
285 set(LLVM_TARGETS_TO_BUILD "all"
286 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
288 set(LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ""
289 CACHE STRING "Semicolon-separated list of experimental targets to build.")
291 option(BUILD_SHARED_LIBS
292 "Build all libraries as shared libraries instead of static" OFF)
294 option(LLVM_ENABLE_BACKTRACES "Enable embedding backtraces on crash." ON)
295 if(LLVM_ENABLE_BACKTRACES)
296 set(ENABLE_BACKTRACES 1)
299 option(LLVM_ENABLE_CRASH_OVERRIDES "Enable crash overrides." ON)
300 if(LLVM_ENABLE_CRASH_OVERRIDES)
301 set(ENABLE_CRASH_OVERRIDES 1)
304 option(LLVM_ENABLE_FFI "Use libffi to call external functions from the interpreter" OFF)
305 set(FFI_LIBRARY_DIR "" CACHE PATH "Additional directory, where CMake should search for libffi.so")
306 set(FFI_INCLUDE_DIR "" CACHE PATH "Additional directory, where CMake should search for ffi.h or ffi/ffi.h")
308 set(LLVM_TARGET_ARCH "host"
309 CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.")
311 option(LLVM_ENABLE_TERMINFO "Use terminfo database if available." ON)
313 option(LLVM_ENABLE_THREADS "Use threads if available." ON)
315 option(LLVM_ENABLE_ZLIB "Use zlib for compression/decompression if available." ON)
317 if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
318 set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
321 set(LLVM_TARGETS_TO_BUILD
322 ${LLVM_TARGETS_TO_BUILD}
323 ${LLVM_EXPERIMENTAL_TARGETS_TO_BUILD})
324 list(REMOVE_DUPLICATES LLVM_TARGETS_TO_BUILD)
326 include(AddLLVMDefinitions)
328 option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON)
329 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON)
330 option(LLVM_ENABLE_MODULES "Compile with C++ modules enabled." OFF)
331 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
332 option(LLVM_ENABLE_MODULE_DEBUGGING "Compile with -gmodules." ON)
333 option(LLVM_ENABLE_LOCAL_SUBMODULE_VISIBILITY "Compile with -fmodules-local-submodule-visibility." OFF)
335 option(LLVM_ENABLE_MODULE_DEBUGGING "Compile with -gmodules." OFF)
336 option(LLVM_ENABLE_LOCAL_SUBMODULE_VISIBILITY "Compile with -fmodules-local-submodule-visibility." ON)
338 option(LLVM_ENABLE_CXX1Y "Compile with C++1y enabled." OFF)
339 option(LLVM_ENABLE_LIBCXX "Use libc++ if available." OFF)
340 option(LLVM_ENABLE_LLD "Use lld as C and C++ linker." OFF)
341 option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
342 option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
344 if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG" )
345 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
347 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
350 option(LLVM_ENABLE_EXPENSIVE_CHECKS "Enable expensive checks" OFF)
352 set(LLVM_ABI_BREAKING_CHECKS "WITH_ASSERTS" CACHE STRING
353 "Enable abi-breaking checks. Can be WITH_ASSERTS, FORCE_ON or FORCE_OFF.")
355 option(LLVM_FORCE_USE_OLD_HOST_TOOLCHAIN
356 "Set to ON to force using an old, unsupported host toolchain." OFF)
358 option(LLVM_USE_INTEL_JITEVENTS
359 "Use Intel JIT API to inform Intel(R) VTune(TM) Amplifier XE 2011 about JIT code"
362 if( LLVM_USE_INTEL_JITEVENTS )
363 # Verify we are on a supported platform
364 if( NOT CMAKE_SYSTEM_NAME MATCHES "Windows" AND NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
366 "Intel JIT API support is available on Linux and Windows only.")
368 endif( LLVM_USE_INTEL_JITEVENTS )
370 option(LLVM_USE_OPROFILE
371 "Use opagent JIT interface to inform OProfile about JIT code" OFF)
373 option(LLVM_EXTERNALIZE_DEBUGINFO
374 "Generate dSYM files and strip executables and libraries (Darwin Only)" OFF)
376 # If enabled, verify we are on a platform that supports oprofile.
377 if( LLVM_USE_OPROFILE )
378 if( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
379 message(FATAL_ERROR "OProfile support is available on Linux only.")
380 endif( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
381 endif( LLVM_USE_OPROFILE )
383 set(LLVM_USE_SANITIZER "" CACHE STRING
384 "Define the sanitizer used to build binaries and tests.")
386 option(LLVM_USE_SPLIT_DWARF
387 "Use -gsplit-dwarf when compiling llvm." OFF)
389 option(LLVM_POLLY_LINK_INTO_TOOLS "Statically link Polly into tools (if available)" ON)
390 option(LLVM_POLLY_BUILD "Build LLVM with Polly" ON)
392 if (EXISTS ${LLVM_MAIN_SRC_DIR}/tools/polly/CMakeLists.txt)
393 set(POLLY_IN_TREE TRUE)
395 set(POLLY_IN_TREE FALSE)
398 if (LLVM_POLLY_BUILD AND POLLY_IN_TREE)
404 if (LLVM_POLLY_LINK_INTO_TOOLS AND WITH_POLLY)
405 set(LINK_POLLY_INTO_TOOLS ON)
407 set(LINK_POLLY_INTO_TOOLS OFF)
410 # Define an option controlling whether we should build for 32-bit on 64-bit
411 # platforms, where supported.
412 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
413 # TODO: support other platforms and toolchains.
414 option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
417 # Define the default arguments to use with 'lit', and an option for the user to
419 set(LIT_ARGS_DEFAULT "-sv")
420 if (MSVC_IDE OR XCODE)
421 set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
423 set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit")
425 # On Win32 hosts, provide an option to specify the path to the GnuWin32 tools.
426 if( WIN32 AND NOT CYGWIN )
427 set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools")
430 # Define options to control the inclusion and default build behavior for
431 # components which may not strictly be necessary (tools, examples, and tests).
433 # This is primarily to support building smaller or faster project files.
434 option(LLVM_INCLUDE_TOOLS "Generate build targets for the LLVM tools." ON)
435 option(LLVM_BUILD_TOOLS
436 "Build the LLVM tools. If OFF, just generate build targets." ON)
438 option(LLVM_INCLUDE_UTILS "Generate build targets for the LLVM utils." ON)
439 option(LLVM_BUILD_UTILS
440 "Build LLVM utility binaries. If OFF, just generate build targets." ON)
442 option(LLVM_BUILD_RUNTIME
443 "Build the LLVM runtime libraries." ON)
444 option(LLVM_BUILD_EXAMPLES
445 "Build the LLVM example programs. If OFF, just generate build targets." OFF)
446 option(LLVM_INCLUDE_EXAMPLES "Generate build targets for the LLVM examples" ON)
448 option(LLVM_BUILD_TESTS
449 "Build LLVM unit tests. If OFF, just generate build targets." OFF)
450 option(LLVM_INCLUDE_TESTS "Generate build targets for the LLVM unit tests." ON)
451 option(LLVM_INCLUDE_GO_TESTS "Include the Go bindings tests in test build targets." ON)
453 option (LLVM_BUILD_DOCS "Build the llvm documentation." OFF)
454 option (LLVM_INCLUDE_DOCS "Generate build targets for llvm documentation." ON)
455 option (LLVM_ENABLE_DOXYGEN "Use doxygen to generate llvm API documentation." OFF)
456 option (LLVM_ENABLE_SPHINX "Use Sphinx to generate llvm documentation." OFF)
457 option (LLVM_ENABLE_OCAMLDOC "Build OCaml bindings documentation." ON)
459 option (LLVM_BUILD_EXTERNAL_COMPILER_RT
460 "Build compiler-rt as an external project." OFF)
462 # You can configure which libraries from LLVM you want to include in the
463 # shared library by setting LLVM_DYLIB_COMPONENTS to a semi-colon delimited
464 # list of LLVM components. All component names handled by llvm-config are valid.
465 if(NOT DEFINED LLVM_DYLIB_COMPONENTS)
466 set(LLVM_DYLIB_COMPONENTS "all" CACHE STRING
467 "Semicolon-separated list of components to include in libLLVM, or \"all\".")
469 option(LLVM_LINK_LLVM_DYLIB "Link tools against the libllvm dynamic library" OFF)
470 option(LLVM_BUILD_LLVM_C_DYLIB "Build libllvm-c re-export library (Darwin Only)" OFF)
471 set(LLVM_BUILD_LLVM_DYLIB_default OFF)
472 if(LLVM_LINK_LLVM_DYLIB OR LLVM_BUILD_LLVM_C_DYLIB)
473 set(LLVM_BUILD_LLVM_DYLIB_default ON)
475 option(LLVM_BUILD_LLVM_DYLIB "Build libllvm dynamic library" ${LLVM_BUILD_LLVM_DYLIB_default})
477 option(LLVM_OPTIMIZED_TABLEGEN "Force TableGen to be built with optimization" OFF)
478 if(CMAKE_CROSSCOMPILING OR (LLVM_OPTIMIZED_TABLEGEN AND LLVM_ENABLE_ASSERTIONS))
479 set(LLVM_USE_HOST_TOOLS ON)
482 if (MSVC_IDE AND NOT (MSVC_VERSION LESS 1900))
483 option(LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION "Configure project to use Visual Studio native visualizers" TRUE)
485 set(LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION FALSE CACHE INTERNAL "For Visual Studio 2013, manually copy natvis files to Documents\\Visual Studio 2013\\Visualizers" FORCE)
488 if (LLVM_BUILD_INSTRUMENTED OR LLVM_BUILD_INSTRUMENTED_COVERAGE)
489 if(NOT LLVM_PROFILE_MERGE_POOL_SIZE)
490 # A pool size of 1-2 is probably sufficient on a SSD. 3-4 should be fine
491 # for spining disks. Anything higher may only help on slower mediums.
492 set(LLVM_PROFILE_MERGE_POOL_SIZE "4")
494 if(NOT LLVM_PROFILE_FILE_PATTERN)
495 if(NOT LLVM_PROFILE_DATA_DIR)
496 file(TO_NATIVE_PATH "${LLVM_BINARY_DIR}/profiles/%${LLVM_PROFILE_MERGE_POOL_SIZE}m.profraw" LLVM_PROFILE_FILE_PATTERN)
498 file(TO_NATIVE_PATH "${LLVM_PROFILE_DATA_DIR}/%${LLVM_PROFILE_MERGE_POOL_SIZE}m.profraw" LLVM_PROFILE_FILE_PATTERN)
503 # All options referred to from HandleLLVMOptions have to be specified
504 # BEFORE this include, otherwise options will not be correctly set on
508 string(REPLACE "Native" ${LLVM_NATIVE_ARCH}
509 LLVM_TARGETS_TO_BUILD "${LLVM_TARGETS_TO_BUILD}")
510 list(REMOVE_DUPLICATES LLVM_TARGETS_TO_BUILD)
512 # By default, we target the host, but this can be overridden at CMake
514 set(LLVM_DEFAULT_TARGET_TRIPLE "${LLVM_HOST_TRIPLE}" CACHE STRING
515 "Default target for which LLVM will generate code." )
516 set(TARGET_TRIPLE "${LLVM_DEFAULT_TARGET_TRIPLE}")
518 include(HandleLLVMOptions)
520 # Verify that we can find a Python 2 interpreter. Python 3 is unsupported.
521 # FIXME: We should support systems with only Python 3, but that requires work
523 set(Python_ADDITIONAL_VERSIONS 2.7)
524 include(FindPythonInterp)
525 if( NOT PYTHONINTERP_FOUND )
527 "Unable to find Python interpreter, required for builds and testing.
529 Please install Python or specify the PYTHON_EXECUTABLE CMake variable.")
532 if( ${PYTHON_VERSION_STRING} VERSION_LESS 2.7 )
533 message(FATAL_ERROR "Python 2.7 or newer is required")
537 # LLVMBuild Integration
539 # We use llvm-build to generate all the data required by the CMake based
540 # build system in one swoop:
542 # - We generate a file (a CMake fragment) in the object root which contains
543 # all the definitions that are required by CMake.
545 # - We generate the library table used by llvm-config.
547 # - We generate the dependencies for the CMake fragment, so that we will
548 # automatically reconfigure outselves.
550 set(LLVMBUILDTOOL "${LLVM_MAIN_SRC_DIR}/utils/llvm-build/llvm-build")
551 set(LLVMCONFIGLIBRARYDEPENDENCIESINC
552 "${LLVM_BINARY_DIR}/tools/llvm-config/LibraryDependencies.inc")
553 set(LLVMBUILDCMAKEFRAG
554 "${LLVM_BINARY_DIR}/LLVMBuild.cmake")
556 # Create the list of optional components that are enabled
557 if (LLVM_USE_INTEL_JITEVENTS)
558 set(LLVMOPTIONALCOMPONENTS IntelJITEvents)
559 endif (LLVM_USE_INTEL_JITEVENTS)
560 if (LLVM_USE_OPROFILE)
561 set(LLVMOPTIONALCOMPONENTS ${LLVMOPTIONALCOMPONENTS} OProfileJIT)
562 endif (LLVM_USE_OPROFILE)
564 message(STATUS "Constructing LLVMBuild project information")
566 COMMAND ${PYTHON_EXECUTABLE} ${LLVMBUILDTOOL}
567 --native-target "${LLVM_NATIVE_ARCH}"
568 --enable-targets "${LLVM_TARGETS_TO_BUILD}"
569 --enable-optional-components "${LLVMOPTIONALCOMPONENTS}"
570 --write-library-table ${LLVMCONFIGLIBRARYDEPENDENCIESINC}
571 --write-cmake-fragment ${LLVMBUILDCMAKEFRAG}
572 OUTPUT_VARIABLE LLVMBUILDOUTPUT
573 ERROR_VARIABLE LLVMBUILDERRORS
574 OUTPUT_STRIP_TRAILING_WHITESPACE
575 ERROR_STRIP_TRAILING_WHITESPACE
576 RESULT_VARIABLE LLVMBUILDRESULT)
578 # On Win32, CMake doesn't properly handle piping the default output/error
579 # streams into the GUI console. So, we explicitly catch and report them.
580 if( NOT "${LLVMBUILDOUTPUT}" STREQUAL "")
581 message(STATUS "llvm-build output: ${LLVMBUILDOUTPUT}")
583 if( NOT "${LLVMBUILDRESULT}" STREQUAL "0" )
585 "Unexpected failure executing llvm-build: ${LLVMBUILDERRORS}")
588 # Include the generated CMake fragment. This will define properties from the
589 # LLVMBuild files in a format which is easy to consume from CMake, and will add
590 # the dependencies so that CMake will reconfigure properly when the LLVMBuild
592 include(${LLVMBUILDCMAKEFRAG})
596 # Configure all of the various header file fragments LLVM uses which depend on
597 # configuration variables.
598 set(LLVM_ENUM_TARGETS "")
599 set(LLVM_ENUM_ASM_PRINTERS "")
600 set(LLVM_ENUM_ASM_PARSERS "")
601 set(LLVM_ENUM_DISASSEMBLERS "")
602 foreach(t ${LLVM_TARGETS_TO_BUILD})
603 set( td ${LLVM_MAIN_SRC_DIR}/lib/Target/${t} )
605 list(FIND LLVM_ALL_TARGETS ${t} idx)
606 list(FIND LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ${t} idy)
607 if( idx LESS 0 AND idy LESS 0 )
608 message(FATAL_ERROR "The target `${t}' does not exist.
609 It should be one of\n${LLVM_ALL_TARGETS}")
611 set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${t})\n")
614 file(GLOB asmp_file "${td}/*AsmPrinter.cpp")
616 set(LLVM_ENUM_ASM_PRINTERS
617 "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n")
619 if( EXISTS ${td}/AsmParser/CMakeLists.txt )
620 set(LLVM_ENUM_ASM_PARSERS
621 "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n")
623 if( EXISTS ${td}/Disassembler/CMakeLists.txt )
624 set(LLVM_ENUM_DISASSEMBLERS
625 "${LLVM_ENUM_DISASSEMBLERS}LLVM_DISASSEMBLER(${t})\n")
629 # Produce the target definition files, which provide a way for clients to easily
630 # include various classes of targets.
632 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in
633 ${LLVM_INCLUDE_DIR}/llvm/Config/AsmPrinters.def
636 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in
637 ${LLVM_INCLUDE_DIR}/llvm/Config/AsmParsers.def
640 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Disassemblers.def.in
641 ${LLVM_INCLUDE_DIR}/llvm/Config/Disassemblers.def
644 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in
645 ${LLVM_INCLUDE_DIR}/llvm/Config/Targets.def
648 # Configure the three LLVM configuration header files.
650 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/config.h.cmake
651 ${LLVM_INCLUDE_DIR}/llvm/Config/config.h)
653 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/llvm-config.h.cmake
654 ${LLVM_INCLUDE_DIR}/llvm/Config/llvm-config.h)
656 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Support/DataTypes.h.cmake
657 ${LLVM_INCLUDE_DIR}/llvm/Support/DataTypes.h)
659 # They are not referenced. See set_output_directory().
660 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/bin )
661 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} )
662 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} )
664 set(CMAKE_BUILD_WITH_INSTALL_RPATH ON)
666 set(CMAKE_INSTALL_NAME_DIR "@rpath")
667 set(CMAKE_INSTALL_RPATH "@executable_path/../lib")
669 if(NOT DEFINED CMAKE_INSTALL_RPATH)
670 set(CMAKE_INSTALL_RPATH "\$ORIGIN/../lib${LLVM_LIBDIR_SUFFIX}")
671 if(${CMAKE_SYSTEM_NAME} MATCHES "(FreeBSD|DragonFly)")
672 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-z,origin")
673 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,-z,origin")
675 endif(NOT DEFINED CMAKE_INSTALL_RPATH)
678 if(APPLE AND DARWIN_LTO_LIBRARY)
679 set(CMAKE_EXE_LINKER_FLAGS
680 "${CMAKE_EXE_LINKER_FLAGS} -Wl,-lto_library -Wl,${DARWIN_LTO_LIBRARY}")
681 set(CMAKE_SHARED_LINKER_FLAGS
682 "${CMAKE_SHARED_LINKER_FLAGS} -Wl,-lto_library -Wl,${DARWIN_LTO_LIBRARY}")
683 set(CMAKE_MODULE_LINKER_FLAGS
684 "${CMAKE_MODULE_LINKER_FLAGS} -Wl,-lto_library -Wl,${DARWIN_LTO_LIBRARY}")
687 # Work around a broken bfd ld behavior. When linking a binary with a
688 # foo.so library, it will try to find any library that foo.so uses and
689 # check its symbols. This is wasteful (the check was done when foo.so
690 # was created) and can fail since it is not the dynamic linker and
691 # doesn't know how to handle search paths correctly.
692 if (UNIX AND NOT APPLE AND NOT ${CMAKE_SYSTEM_NAME} MATCHES "SunOS|AIX")
693 set(CMAKE_EXE_LINKER_FLAGS
694 "${CMAKE_EXE_LINKER_FLAGS} -Wl,-allow-shlib-undefined")
697 set(CMAKE_INCLUDE_CURRENT_DIR ON)
699 include_directories( ${LLVM_INCLUDE_DIR} ${LLVM_MAIN_INCLUDE_DIR})
701 # when crosscompiling import the executable targets from a file
702 if(LLVM_USE_HOST_TOOLS)
703 include(CrossCompile)
704 endif(LLVM_USE_HOST_TOOLS)
705 if(LLVM_TARGET_IS_CROSSCOMPILE_HOST)
706 # Dummy use to avoid CMake Wraning: Manually-specified variables were not used
707 # (this is a variable that CrossCompile sets on recursive invocations)
710 if(${CMAKE_SYSTEM_NAME} MATCHES "(FreeBSD|DragonFly)")
711 # On FreeBSD, /usr/local/* is not used by default. In order to build LLVM
712 # with libxml2, iconv.h, etc., we must add /usr/local paths.
713 include_directories("/usr/local/include")
714 link_directories("/usr/local/lib")
715 endif(${CMAKE_SYSTEM_NAME} MATCHES "(FreeBSD|DragonFly)")
717 if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
718 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -include llvm/Support/Solaris.h")
719 endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
721 # Make sure we don't get -rdynamic in every binary. For those that need it,
722 # use export_executable_symbols(target).
723 set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "")
725 set(LLVM_PROFDATA_FILE "" CACHE FILEPATH
726 "Profiling data file to use when compiling in order to improve runtime performance.")
728 if(LLVM_PROFDATA_FILE AND EXISTS ${LLVM_PROFDATA_FILE})
729 if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" )
730 add_definitions("-fprofile-instr-use=${LLVM_PROFDATA_FILE}")
732 message(FATAL_ERROR "LLVM_PROFDATA_FILE can only be specified when compiling with clang")
740 # People report that -O3 is unreliable on MinGW. The traditional
741 # build also uses -O2 for that reason:
742 llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2")
745 # Put this before tblgen. Else we have a circular dependence.
746 add_subdirectory(lib/Demangle)
747 add_subdirectory(lib/Support)
748 add_subdirectory(lib/TableGen)
750 add_subdirectory(utils/TableGen)
752 # Force target to be built as soon as possible. Clang modules builds depend
753 # header-wise on it as they ship all headers from the umbrella folders. Building
754 # an entire module might include header, which depends on intrinsics_gen. This
755 # should be right after LLVMSupport and LLVMTableGen otherwise we introduce a
756 # circular dependence.
757 if (LLVM_ENABLE_MODULES)
758 list(APPEND LLVM_COMMON_DEPENDS intrinsics_gen)
759 endif(LLVM_ENABLE_MODULES)
761 add_subdirectory(include/llvm)
763 add_subdirectory(lib)
765 if( LLVM_INCLUDE_UTILS )
766 add_subdirectory(utils/FileCheck)
767 add_subdirectory(utils/PerfectShuffle)
768 add_subdirectory(utils/count)
769 add_subdirectory(utils/not)
770 add_subdirectory(utils/llvm-lit)
771 add_subdirectory(utils/yaml-bench)
772 add_subdirectory(utils/unittest)
774 if ( LLVM_INCLUDE_TESTS )
775 message(FATAL_ERROR "Including tests when not building utils will not work.
776 Either set LLVM_INCLUDE_UTILS to On, or set LLVM_INCLDE_TESTS to Off.")
780 # Use LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION instead of LLVM_INCLUDE_UTILS because it is not really a util
781 if (LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION)
782 add_subdirectory(utils/LLVMVisualizers)
785 foreach( binding ${LLVM_BINDINGS_LIST} )
786 if( EXISTS "${LLVM_MAIN_SRC_DIR}/bindings/${binding}/CMakeLists.txt" )
787 add_subdirectory(bindings/${binding})
791 add_subdirectory(projects)
793 if( LLVM_INCLUDE_TOOLS )
794 add_subdirectory(tools)
797 add_subdirectory(runtimes)
799 if( LLVM_INCLUDE_EXAMPLES )
800 add_subdirectory(examples)
803 if( LLVM_INCLUDE_TESTS )
804 if(EXISTS ${LLVM_MAIN_SRC_DIR}/projects/test-suite AND TARGET clang)
805 include(LLVMExternalProjectUtils)
806 llvm_ExternalProject_Add(test-suite ${LLVM_MAIN_SRC_DIR}/projects/test-suite
812 add_subdirectory(test)
813 add_subdirectory(unittests)
815 # This utility is used to prevent crashing tests from calling Dr. Watson on
817 add_subdirectory(utils/KillTheDoctor)
820 # Add a global check rule now that all subdirectories have been traversed
821 # and we know the total set of lit testsuites.
822 get_property(LLVM_LIT_TESTSUITES GLOBAL PROPERTY LLVM_LIT_TESTSUITES)
823 get_property(LLVM_LIT_PARAMS GLOBAL PROPERTY LLVM_LIT_PARAMS)
824 get_property(LLVM_LIT_DEPENDS GLOBAL PROPERTY LLVM_LIT_DEPENDS)
825 get_property(LLVM_LIT_EXTRA_ARGS GLOBAL PROPERTY LLVM_LIT_EXTRA_ARGS)
826 get_property(LLVM_ADDITIONAL_TEST_TARGETS
827 GLOBAL PROPERTY LLVM_ADDITIONAL_TEST_TARGETS)
828 get_property(LLVM_ADDITIONAL_TEST_DEPENDS
829 GLOBAL PROPERTY LLVM_ADDITIONAL_TEST_DEPENDS)
830 add_lit_target(check-all
831 "Running all regression tests"
832 ${LLVM_LIT_TESTSUITES}
833 PARAMS ${LLVM_LIT_PARAMS}
834 DEPENDS ${LLVM_LIT_DEPENDS} ${LLVM_ADDITIONAL_TEST_TARGETS}
835 ARGS ${LLVM_LIT_EXTRA_ARGS}
837 if(TARGET check-runtimes)
838 add_dependencies(check-all check-runtimes)
840 add_custom_target(test-depends
841 DEPENDS ${LLVM_LIT_DEPENDS} ${LLVM_ADDITIONAL_TEST_DEPENDS})
842 set_target_properties(test-depends PROPERTIES FOLDER "Tests")
845 if (LLVM_INCLUDE_DOCS)
846 add_subdirectory(docs)
849 add_subdirectory(cmake/modules)
851 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
852 install(DIRECTORY include/llvm include/llvm-c
854 COMPONENT llvm-headers
860 PATTERN "LICENSE.TXT"
861 PATTERN ".svn" EXCLUDE
864 install(DIRECTORY ${LLVM_INCLUDE_DIR}/llvm
866 COMPONENT llvm-headers
872 # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
873 PATTERN "CMakeFiles" EXCLUDE
874 PATTERN "config.h" EXCLUDE
875 PATTERN ".svn" EXCLUDE
878 if (NOT CMAKE_CONFIGURATION_TYPES)
879 add_custom_target(installhdrs
881 COMMAND "${CMAKE_COMMAND}"
882 -DCMAKE_INSTALL_COMPONENT=llvm-headers
883 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
887 # This must be at the end of the LLVM root CMakeLists file because it must run
888 # after all targets are created.
889 if(LLVM_DISTRIBUTION_COMPONENTS)
890 if(CMAKE_CONFIGURATION_TYPES)
891 message(FATAL_ERROR "LLVM_DISTRIBUTION_COMPONENTS cannot be specified with multi-configuration generators (i.e. Xcode or Visual Studio)")
894 add_custom_target(distribution)
895 add_custom_target(install-distribution)
896 foreach(target ${LLVM_DISTRIBUTION_COMPONENTS})
898 add_dependencies(distribution ${target})
900 message(FATAL_ERROR "Specified distribution component '${target}' doesn't have a target")
903 if(TARGET install-${target})
904 add_dependencies(install-distribution install-${target})
906 message(FATAL_ERROR "Specified distribution component '${target}' doesn't have an install target")