1 # See docs/CMake.html for instructions about how to build LLVM with CMake.
4 cmake_minimum_required(VERSION 2.8)
6 # Add path for custom modules
9 "${CMAKE_CURRENT_SOURCE_DIR}/cmake"
10 "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules"
13 set(LLVM_VERSION_MAJOR 3)
14 set(LLVM_VERSION_MINOR 4)
16 set(PACKAGE_VERSION "${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}svn")
18 option(LLVM_USE_FOLDERS "Enable solution folders in Visual Studio. Disable for Express versions." ON)
19 if ( LLVM_USE_FOLDERS )
20 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
23 include(VersionFromVCS)
25 option(LLVM_APPEND_VC_REV
26 "Append the version control system revision id to LLVM version" OFF)
28 if( LLVM_APPEND_VC_REV )
29 add_version_info_from_vcs(PACKAGE_VERSION)
32 set(PACKAGE_NAME LLVM)
33 set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
34 set(PACKAGE_BUGREPORT "http://llvm.org/bugs/")
36 # Sanity check our source directory to make sure that we are not trying to
37 # generate an in-tree build (unless on MSVC_IDE, where it is ok), and to make
38 # sure that we don't have any stray generated files lying around in the tree
39 # (which would end up getting picked up by header search, instead of the correct
41 if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE )
42 message(FATAL_ERROR "In-source builds are not allowed.
43 CMake would overwrite the makefiles distributed with LLVM.
44 Please create a directory and run cmake from there, passing the path
45 to this source directory as the last argument.
46 This process created the file `CMakeCache.txt' and the directory `CMakeFiles'.
49 if( NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR )
51 tablegenned_files_on_include_dir
52 "${CMAKE_CURRENT_SOURCE_DIR}/include/llvm/*.gen")
54 tablegenned_files_on_lib_dir
55 "${CMAKE_CURRENT_SOURCE_DIR}/lib/Target/*.inc")
56 if( tablegenned_files_on_include_dir OR tablegenned_files_on_lib_dir)
57 message(FATAL_ERROR "Apparently there is a previous in-source build,
58 probably as the result of running `configure' and `make' on
59 ${CMAKE_CURRENT_SOURCE_DIR}.
60 This may cause problems. The suspicious files are:
61 ${tablegenned_files_on_lib_dir}
62 ${tablegenned_files_on_include_dir}
63 Please clean the source directory.")
67 string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE)
69 set(LLVM_MAIN_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR})
70 set(LLVM_MAIN_INCLUDE_DIR ${LLVM_MAIN_SRC_DIR}/include)
71 set(LLVM_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
72 set(LLVM_TOOLS_BINARY_DIR ${LLVM_BINARY_DIR}/bin)
73 set(LLVM_EXAMPLES_BINARY_DIR ${LLVM_BINARY_DIR}/examples)
74 set(LLVM_LIBDIR_SUFFIX "" CACHE STRING "Define suffix of library directory name (32/64)" )
92 # List of targets with JIT support:
93 set(LLVM_TARGETS_WITH_JIT X86 PowerPC AArch64 ARM Mips SystemZ)
95 set(LLVM_TARGETS_TO_BUILD "all"
96 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
98 set(LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ""
99 CACHE STRING "Semicolon-separated list of experimental targets to build.")
101 option(BUILD_SHARED_LIBS
102 "Build all libraries as shared libraries instead of static" OFF)
104 option(LLVM_ENABLE_CBE_PRINTF_A "Set to ON if CBE is enabled for printf %a output" ON)
105 if(LLVM_ENABLE_CBE_PRINTF_A)
106 set(ENABLE_CBE_PRINTF_A 1)
109 option(LLVM_ENABLE_TIMESTAMPS "Enable embedding timestamp information in build" ON)
110 if(LLVM_ENABLE_TIMESTAMPS)
111 set(ENABLE_TIMESTAMPS 1)
114 option(LLVM_ENABLE_BACKTRACES "Enable embedding backtraces on crash." ON)
115 if(LLVM_ENABLE_BACKTRACES)
116 set(ENABLE_BACKTRACES 1)
119 option(LLVM_ENABLE_FFI "Use libffi to call external functions from the interpreter" OFF)
120 set(FFI_LIBRARY_DIR "" CACHE PATH "Additional directory, where CMake should search for libffi.so")
121 set(FFI_INCLUDE_DIR "" CACHE PATH "Additional directory, where CMake should search for ffi.h or ffi/ffi.h")
123 set(LLVM_TARGET_ARCH "host"
124 CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.")
126 option(LLVM_ENABLE_THREADS "Use threads if available." ON)
128 option(LLVM_ENABLE_ZLIB "Use zlib for compression/decompression if available." ON)
130 if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
131 set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
134 set(LLVM_TARGETS_TO_BUILD
135 ${LLVM_TARGETS_TO_BUILD}
136 ${LLVM_EXPERIMENTAL_TARGETS_TO_BUILD})
137 list(REMOVE_DUPLICATES LLVM_TARGETS_TO_BUILD)
139 set(llvm_builded_incs_dir ${LLVM_BINARY_DIR}/include/llvm)
141 include(AddLLVMDefinitions)
143 option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON)
145 # MSVC has a gazillion warnings with this.
147 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." OFF)
149 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON)
152 option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
153 option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
155 if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG" )
156 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
158 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
161 option(LLVM_USE_INTEL_JITEVENTS
162 "Use Intel JIT API to inform Intel(R) VTune(TM) Amplifier XE 2011 about JIT code"
165 if( LLVM_USE_INTEL_JITEVENTS )
166 # Verify we are on a supported platform
167 if( NOT CMAKE_SYSTEM_NAME MATCHES "Windows" AND NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
169 "Intel JIT API support is available on Linux and Windows only.")
171 endif( LLVM_USE_INTEL_JITEVENTS )
173 option(LLVM_USE_OPROFILE
174 "Use opagent JIT interface to inform OProfile about JIT code" OFF)
176 # If enabled, verify we are on a platform that supports oprofile.
177 if( LLVM_USE_OPROFILE )
178 if( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
179 message(FATAL_ERROR "OProfile support is available on Linux only.")
180 endif( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
181 endif( LLVM_USE_OPROFILE )
183 set(LLVM_USE_SANITIZER "" CACHE STRING
184 "Define the sanitizer used to build binaries and tests.")
186 option(LLVM_USE_SPLIT_DWARF
187 "Use -gsplit-dwarf when compiling llvm." OFF)
189 # Define an option controlling whether we should build for 32-bit on 64-bit
190 # platforms, where supported.
191 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
192 # TODO: support other platforms and toolchains.
193 option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
196 # Define the default arguments to use with 'lit', and an option for the user to
198 set(LIT_ARGS_DEFAULT "-sv")
200 set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
202 set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit")
204 # On Win32 hosts, provide an option to specify the path to the GnuWin32 tools.
205 if( WIN32 AND NOT CYGWIN )
206 set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools")
209 # Define options to control the inclusion and default build behavior for
210 # components which may not strictly be necessary (tools, runtime, examples, and
213 # This is primarily to support building smaller or faster project files.
214 option(LLVM_INCLUDE_TOOLS "Generate build targets for the LLVM tools." ON)
215 option(LLVM_BUILD_TOOLS
216 "Build the LLVM tools. If OFF, just generate build targets." ON)
218 option(LLVM_INCLUDE_RUNTIME "Generate build targets for the LLVM runtimes" ON)
219 option(LLVM_BUILD_RUNTIME
220 "Build the LLVM runtime libraries. If OFF, just generate build targets." ON)
222 option(LLVM_BUILD_EXAMPLES
223 "Build the LLVM example programs. If OFF, just generate build targets." OFF)
224 option(LLVM_INCLUDE_EXAMPLES "Generate build targets for the LLVM examples" ON)
226 option(LLVM_BUILD_TESTS
227 "Build LLVM unit tests. If OFF, just generate build targets." OFF)
228 option(LLVM_INCLUDE_TESTS "Generate build targets for the LLVM unit tests." ON)
230 # All options referred to from HandleLLVMOptions have to be specified
231 # BEFORE this include, otherwise options will not be correctly set on
235 # By default, we target the host, but this can be overridden at CMake
237 set(LLVM_DEFAULT_TARGET_TRIPLE "${LLVM_HOST_TRIPLE}" CACHE STRING
238 "Default target for which LLVM will generate code." )
239 set(TARGET_TRIPLE "${LLVM_DEFAULT_TARGET_TRIPLE}")
241 include(HandleLLVMOptions)
243 # Verify that we can find a Python 2 interpreter. Python 3 is unsupported.
244 set(Python_ADDITIONAL_VERSIONS 2.7 2.6 2.5 2.4)
245 include(FindPythonInterp)
246 if( NOT PYTHONINTERP_FOUND )
248 "Unable to find Python interpreter, required for builds and testing.
250 Please install Python or specify the PYTHON_EXECUTABLE CMake variable.")
254 # LLVMBuild Integration
256 # We use llvm-build to generate all the data required by the CMake based
257 # build system in one swoop:
259 # - We generate a file (a CMake fragment) in the object root which contains
260 # all the definitions that are required by CMake.
262 # - We generate the library table used by llvm-config.
264 # - We generate the dependencies for the CMake fragment, so that we will
265 # automatically reconfigure outselves.
267 set(LLVMBUILDTOOL "${LLVM_MAIN_SRC_DIR}/utils/llvm-build/llvm-build")
268 set(LLVMCONFIGLIBRARYDEPENDENCIESINC
269 "${LLVM_BINARY_DIR}/tools/llvm-config/LibraryDependencies.inc")
270 set(LLVMBUILDCMAKEFRAG
271 "${LLVM_BINARY_DIR}/LLVMBuild.cmake")
273 # Create the list of optional components that are enabled
274 if (LLVM_USE_INTEL_JITEVENTS)
275 set(LLVMOPTIONALCOMPONENTS IntelJITEvents)
276 endif (LLVM_USE_INTEL_JITEVENTS)
277 if (LLVM_USE_OPROFILE)
278 set(LLVMOPTIONALCOMPONENTS ${LLVMOPTIONALCOMPONENTS} OProfileJIT)
279 endif (LLVM_USE_OPROFILE)
281 message(STATUS "Constructing LLVMBuild project information")
283 COMMAND ${PYTHON_EXECUTABLE} ${LLVMBUILDTOOL}
284 --native-target "${LLVM_NATIVE_ARCH}"
285 --enable-targets "${LLVM_TARGETS_TO_BUILD}"
286 --enable-optional-components "${LLVMOPTIONALCOMPONENTS}"
287 --write-library-table ${LLVMCONFIGLIBRARYDEPENDENCIESINC}
288 --write-cmake-fragment ${LLVMBUILDCMAKEFRAG}
289 ERROR_VARIABLE LLVMBUILDOUTPUT
290 ERROR_VARIABLE LLVMBUILDERRORS
291 OUTPUT_STRIP_TRAILING_WHITESPACE
292 ERROR_STRIP_TRAILING_WHITESPACE
293 RESULT_VARIABLE LLVMBUILDRESULT)
295 # On Win32, CMake doesn't properly handle piping the default output/error
296 # streams into the GUI console. So, we explicitly catch and report them.
297 if( NOT "${LLVMBUILDOUTPUT}" STREQUAL "")
298 message(STATUS "llvm-build output: ${LLVMBUILDOUTPUT}")
300 if( NOT "${LLVMBUILDRESULT}" STREQUAL "0" )
302 "Unexpected failure executing llvm-build: ${LLVMBUILDERRORS}")
305 # Include the generated CMake fragment. This will define properties from the
306 # LLVMBuild files in a format which is easy to consume from CMake, and will add
307 # the dependencies so that CMake will reconfigure properly when the LLVMBuild
309 include(${LLVMBUILDCMAKEFRAG})
313 # Configure all of the various header file fragments LLVM uses which depend on
314 # configuration variables.
315 set(LLVM_ENUM_TARGETS "")
316 set(LLVM_ENUM_ASM_PRINTERS "")
317 set(LLVM_ENUM_ASM_PARSERS "")
318 set(LLVM_ENUM_DISASSEMBLERS "")
319 foreach(t ${LLVM_TARGETS_TO_BUILD})
320 set( td ${LLVM_MAIN_SRC_DIR}/lib/Target/${t} )
322 list(FIND LLVM_ALL_TARGETS ${t} idx)
323 list(FIND LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ${t} idy)
324 if( idx LESS 0 AND idy LESS 0 )
325 message(FATAL_ERROR "The target `${t}' does not exist.
326 It should be one of\n${LLVM_ALL_TARGETS}")
328 set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${t})\n")
331 file(GLOB asmp_file "${td}/*AsmPrinter.cpp")
333 set(LLVM_ENUM_ASM_PRINTERS
334 "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n")
336 if( EXISTS ${td}/AsmParser/CMakeLists.txt )
337 set(LLVM_ENUM_ASM_PARSERS
338 "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n")
340 if( EXISTS ${td}/Disassembler/CMakeLists.txt )
341 set(LLVM_ENUM_DISASSEMBLERS
342 "${LLVM_ENUM_DISASSEMBLERS}LLVM_DISASSEMBLER(${t})\n")
346 # Produce the target definition files, which provide a way for clients to easily
347 # include various classes of targets.
349 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in
350 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmPrinters.def
353 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in
354 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmParsers.def
357 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Disassemblers.def.in
358 ${LLVM_BINARY_DIR}/include/llvm/Config/Disassemblers.def
361 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in
362 ${LLVM_BINARY_DIR}/include/llvm/Config/Targets.def
365 # Configure the three LLVM configuration header files.
367 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/config.h.cmake
368 ${LLVM_BINARY_DIR}/include/llvm/Config/config.h)
370 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/llvm-config.h.cmake
371 ${LLVM_BINARY_DIR}/include/llvm/Config/llvm-config.h)
373 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Support/DataTypes.h.cmake
374 ${LLVM_BINARY_DIR}/include/llvm/Support/DataTypes.h)
376 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR} )
377 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
378 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
380 set(CMAKE_INCLUDE_CURRENT_DIR ON)
382 include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR})
384 if( ${CMAKE_SYSTEM_NAME} MATCHES FreeBSD )
385 # On FreeBSD, /usr/local/* is not used by default. In order to build LLVM
386 # with libxml2, iconv.h, etc., we must add /usr/local paths.
387 include_directories("/usr/local/include")
388 link_directories("/usr/local/lib")
389 endif( ${CMAKE_SYSTEM_NAME} MATCHES FreeBSD )
391 if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
392 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -include llvm/Support/Solaris.h")
393 endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
395 # Make sure we don't get -rdynamic in every binary. For those that need it,
396 # use set_target_properties(target PROPERTIES ENABLE_EXPORTS 1)
397 set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "")
403 # People report that -O3 is unreliable on MinGW. The traditional
404 # build also uses -O2 for that reason:
405 llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2")
408 # Put this before tblgen. Else we have a circular dependence.
409 add_subdirectory(lib/Support)
410 add_subdirectory(lib/TableGen)
412 add_subdirectory(utils/TableGen)
414 add_subdirectory(include/llvm)
416 add_subdirectory(lib)
418 add_subdirectory(utils/FileCheck)
419 add_subdirectory(utils/FileUpdate)
420 add_subdirectory(utils/count)
421 add_subdirectory(utils/not)
422 add_subdirectory(utils/llvm-lit)
423 add_subdirectory(utils/yaml-bench)
425 add_subdirectory(projects)
427 if( LLVM_INCLUDE_TOOLS )
428 add_subdirectory(tools)
431 if( LLVM_INCLUDE_RUNTIME )
432 add_subdirectory(runtime)
435 if( LLVM_INCLUDE_EXAMPLES )
436 add_subdirectory(examples)
439 if( LLVM_INCLUDE_TESTS )
440 add_subdirectory(test)
441 add_subdirectory(utils/unittest)
442 add_subdirectory(unittests)
444 # This utility is used to prevent crashing tests from calling Dr. Watson on
446 add_subdirectory(utils/KillTheDoctor)
449 # Add a global check rule now that all subdirectories have been traversed
450 # and we know the total set of lit testsuites.
451 get_property(LLVM_LIT_TESTSUITES GLOBAL PROPERTY LLVM_LIT_TESTSUITES)
452 get_property(LLVM_LIT_PARAMS GLOBAL PROPERTY LLVM_LIT_PARAMS)
453 get_property(LLVM_LIT_DEPENDS GLOBAL PROPERTY LLVM_LIT_DEPENDS)
454 get_property(LLVM_LIT_EXTRA_ARGS GLOBAL PROPERTY LLVM_LIT_EXTRA_ARGS)
455 add_lit_target(check-all
456 "Running all regression tests"
457 ${LLVM_LIT_TESTSUITES}
458 PARAMS ${LLVM_LIT_PARAMS}
459 DEPENDS ${LLVM_LIT_DEPENDS}
460 ARGS ${LLVM_LIT_EXTRA_ARGS}
464 add_subdirectory(cmake/modules)
466 install(DIRECTORY include/
473 PATTERN "LICENSE.TXT"
474 PATTERN ".svn" EXCLUDE
477 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/
484 # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
485 PATTERN "CMakeFiles" EXCLUDE
486 PATTERN ".svn" EXCLUDE
489 # TODO: make and install documentation.
491 set(CPACK_PACKAGE_VENDOR "LLVM")
492 set(CPACK_PACKAGE_VERSION_MAJOR ${LLVM_VERSION_MAJOR})
493 set(CPACK_PACKAGE_VERSION_MINOR ${LLVM_VERSION_MINOR})
494 add_version_info_from_vcs(CPACK_PACKAGE_VERSION_PATCH)
497 # Workaround for MSVS10 to avoid the Dialog Hell
498 # FIXME: This could be removed with future version of CMake.
499 if(MSVC_VERSION EQUAL 1600)
500 set(LLVM_SLN_FILENAME "${CMAKE_CURRENT_BINARY_DIR}/LLVM.sln")
501 if( EXISTS "${LLVM_SLN_FILENAME}" )
502 file(APPEND "${LLVM_SLN_FILENAME}" "\n# This should be regenerated!\n")