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_INSTALL_TOOLCHAIN_ONLY "Only include toolchain files in the 'install' target." OFF)
20 option(LLVM_USE_FOLDERS "Enable solution folders in Visual Studio. Disable for Express versions." ON)
21 if ( LLVM_USE_FOLDERS )
22 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
25 include(VersionFromVCS)
27 option(LLVM_APPEND_VC_REV
28 "Append the version control system revision id to LLVM version" OFF)
30 if( LLVM_APPEND_VC_REV )
31 add_version_info_from_vcs(PACKAGE_VERSION)
34 set(PACKAGE_NAME LLVM)
35 set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
36 set(PACKAGE_BUGREPORT "http://llvm.org/bugs/")
38 # Sanity check our source directory to make sure that we are not trying to
39 # generate an in-tree build (unless on MSVC_IDE, where it is ok), and to make
40 # sure that we don't have any stray generated files lying around in the tree
41 # (which would end up getting picked up by header search, instead of the correct
43 if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE )
44 message(FATAL_ERROR "In-source builds are not allowed.
45 CMake would overwrite the makefiles distributed with LLVM.
46 Please create a directory and run cmake from there, passing the path
47 to this source directory as the last argument.
48 This process created the file `CMakeCache.txt' and the directory `CMakeFiles'.
51 if( NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR )
53 tablegenned_files_on_include_dir
54 "${CMAKE_CURRENT_SOURCE_DIR}/include/llvm/*.gen")
56 tablegenned_files_on_lib_dir
57 "${CMAKE_CURRENT_SOURCE_DIR}/lib/Target/*.inc")
58 if( tablegenned_files_on_include_dir OR tablegenned_files_on_lib_dir)
59 message(FATAL_ERROR "Apparently there is a previous in-source build,
60 probably as the result of running `configure' and `make' on
61 ${CMAKE_CURRENT_SOURCE_DIR}.
62 This may cause problems. The suspicious files are:
63 ${tablegenned_files_on_lib_dir}
64 ${tablegenned_files_on_include_dir}
65 Please clean the source directory.")
69 string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE)
71 set(LLVM_MAIN_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR})
72 set(LLVM_MAIN_INCLUDE_DIR ${LLVM_MAIN_SRC_DIR}/include)
73 set(LLVM_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
74 set(LLVM_TOOLS_BINARY_DIR ${LLVM_BINARY_DIR}/bin)
75 set(LLVM_EXAMPLES_BINARY_DIR ${LLVM_BINARY_DIR}/examples)
76 set(LLVM_LIBDIR_SUFFIX "" CACHE STRING "Define suffix of library directory name (32/64)" )
94 # List of targets with JIT support:
95 set(LLVM_TARGETS_WITH_JIT X86 PowerPC AArch64 ARM Mips SystemZ)
97 set(LLVM_TARGETS_TO_BUILD "all"
98 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
100 set(LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ""
101 CACHE STRING "Semicolon-separated list of experimental targets to build.")
103 option(BUILD_SHARED_LIBS
104 "Build all libraries as shared libraries instead of static" OFF)
106 option(LLVM_ENABLE_CBE_PRINTF_A "Set to ON if CBE is enabled for printf %a output" ON)
107 if(LLVM_ENABLE_CBE_PRINTF_A)
108 set(ENABLE_CBE_PRINTF_A 1)
111 option(LLVM_ENABLE_TIMESTAMPS "Enable embedding timestamp information in build" ON)
112 if(LLVM_ENABLE_TIMESTAMPS)
113 set(ENABLE_TIMESTAMPS 1)
116 option(LLVM_ENABLE_BACKTRACES "Enable embedding backtraces on crash." ON)
117 if(LLVM_ENABLE_BACKTRACES)
118 set(ENABLE_BACKTRACES 1)
121 option(LLVM_ENABLE_FFI "Use libffi to call external functions from the interpreter" OFF)
122 set(FFI_LIBRARY_DIR "" CACHE PATH "Additional directory, where CMake should search for libffi.so")
123 set(FFI_INCLUDE_DIR "" CACHE PATH "Additional directory, where CMake should search for ffi.h or ffi/ffi.h")
125 set(LLVM_TARGET_ARCH "host"
126 CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.")
128 option(LLVM_ENABLE_TERMINFO "Use terminfo database if available." ON)
130 option(LLVM_ENABLE_THREADS "Use threads if available." ON)
132 option(LLVM_ENABLE_ZLIB "Use zlib for compression/decompression if available." ON)
134 if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
135 set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
138 set(LLVM_TARGETS_TO_BUILD
139 ${LLVM_TARGETS_TO_BUILD}
140 ${LLVM_EXPERIMENTAL_TARGETS_TO_BUILD})
141 list(REMOVE_DUPLICATES LLVM_TARGETS_TO_BUILD)
143 set(llvm_builded_incs_dir ${LLVM_BINARY_DIR}/include/llvm)
145 include(AddLLVMDefinitions)
147 option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON)
149 # MSVC has a gazillion warnings with this.
151 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." OFF)
153 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON)
156 option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
157 option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
159 if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG" )
160 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
162 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
165 option(LLVM_USE_INTEL_JITEVENTS
166 "Use Intel JIT API to inform Intel(R) VTune(TM) Amplifier XE 2011 about JIT code"
169 if( LLVM_USE_INTEL_JITEVENTS )
170 # Verify we are on a supported platform
171 if( NOT CMAKE_SYSTEM_NAME MATCHES "Windows" AND NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
173 "Intel JIT API support is available on Linux and Windows only.")
175 endif( LLVM_USE_INTEL_JITEVENTS )
177 option(LLVM_USE_OPROFILE
178 "Use opagent JIT interface to inform OProfile about JIT code" OFF)
180 # If enabled, verify we are on a platform that supports oprofile.
181 if( LLVM_USE_OPROFILE )
182 if( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
183 message(FATAL_ERROR "OProfile support is available on Linux only.")
184 endif( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
185 endif( LLVM_USE_OPROFILE )
187 set(LLVM_USE_SANITIZER "" CACHE STRING
188 "Define the sanitizer used to build binaries and tests.")
190 option(LLVM_USE_SPLIT_DWARF
191 "Use -gsplit-dwarf when compiling llvm." OFF)
193 # Define an option controlling whether we should build for 32-bit on 64-bit
194 # platforms, where supported.
195 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
196 # TODO: support other platforms and toolchains.
197 option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
200 # Define the default arguments to use with 'lit', and an option for the user to
202 set(LIT_ARGS_DEFAULT "-sv")
204 set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
206 set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit")
208 # On Win32 hosts, provide an option to specify the path to the GnuWin32 tools.
209 if( WIN32 AND NOT CYGWIN )
210 set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools")
213 # Define options to control the inclusion and default build behavior for
214 # components which may not strictly be necessary (tools, runtime, examples, and
217 # This is primarily to support building smaller or faster project files.
218 option(LLVM_INCLUDE_TOOLS "Generate build targets for the LLVM tools." ON)
219 option(LLVM_BUILD_TOOLS
220 "Build the LLVM tools. If OFF, just generate build targets." ON)
222 option(LLVM_INCLUDE_RUNTIME "Generate build targets for the LLVM runtimes" ON)
223 option(LLVM_BUILD_RUNTIME
224 "Build the LLVM runtime libraries. If OFF, just generate build targets." ON)
226 option(LLVM_BUILD_EXAMPLES
227 "Build the LLVM example programs. If OFF, just generate build targets." OFF)
228 option(LLVM_INCLUDE_EXAMPLES "Generate build targets for the LLVM examples" ON)
230 option(LLVM_BUILD_TESTS
231 "Build LLVM unit tests. If OFF, just generate build targets." OFF)
232 option(LLVM_INCLUDE_TESTS "Generate build targets for the LLVM unit tests." ON)
234 # All options referred to from HandleLLVMOptions have to be specified
235 # BEFORE this include, otherwise options will not be correctly set on
239 # By default, we target the host, but this can be overridden at CMake
241 set(LLVM_DEFAULT_TARGET_TRIPLE "${LLVM_HOST_TRIPLE}" CACHE STRING
242 "Default target for which LLVM will generate code." )
243 set(TARGET_TRIPLE "${LLVM_DEFAULT_TARGET_TRIPLE}")
245 include(HandleLLVMOptions)
247 # Verify that we can find a Python 2 interpreter. Python 3 is unsupported.
248 set(Python_ADDITIONAL_VERSIONS 2.7 2.6 2.5 2.4)
249 include(FindPythonInterp)
250 if( NOT PYTHONINTERP_FOUND )
252 "Unable to find Python interpreter, required for builds and testing.
254 Please install Python or specify the PYTHON_EXECUTABLE CMake variable.")
258 # LLVMBuild Integration
260 # We use llvm-build to generate all the data required by the CMake based
261 # build system in one swoop:
263 # - We generate a file (a CMake fragment) in the object root which contains
264 # all the definitions that are required by CMake.
266 # - We generate the library table used by llvm-config.
268 # - We generate the dependencies for the CMake fragment, so that we will
269 # automatically reconfigure outselves.
271 set(LLVMBUILDTOOL "${LLVM_MAIN_SRC_DIR}/utils/llvm-build/llvm-build")
272 set(LLVMCONFIGLIBRARYDEPENDENCIESINC
273 "${LLVM_BINARY_DIR}/tools/llvm-config/LibraryDependencies.inc")
274 set(LLVMBUILDCMAKEFRAG
275 "${LLVM_BINARY_DIR}/LLVMBuild.cmake")
277 # Create the list of optional components that are enabled
278 if (LLVM_USE_INTEL_JITEVENTS)
279 set(LLVMOPTIONALCOMPONENTS IntelJITEvents)
280 endif (LLVM_USE_INTEL_JITEVENTS)
281 if (LLVM_USE_OPROFILE)
282 set(LLVMOPTIONALCOMPONENTS ${LLVMOPTIONALCOMPONENTS} OProfileJIT)
283 endif (LLVM_USE_OPROFILE)
285 message(STATUS "Constructing LLVMBuild project information")
287 COMMAND ${PYTHON_EXECUTABLE} ${LLVMBUILDTOOL}
288 --native-target "${LLVM_NATIVE_ARCH}"
289 --enable-targets "${LLVM_TARGETS_TO_BUILD}"
290 --enable-optional-components "${LLVMOPTIONALCOMPONENTS}"
291 --write-library-table ${LLVMCONFIGLIBRARYDEPENDENCIESINC}
292 --write-cmake-fragment ${LLVMBUILDCMAKEFRAG}
293 OUTPUT_VARIABLE LLVMBUILDOUTPUT
294 ERROR_VARIABLE LLVMBUILDERRORS
295 OUTPUT_STRIP_TRAILING_WHITESPACE
296 ERROR_STRIP_TRAILING_WHITESPACE
297 RESULT_VARIABLE LLVMBUILDRESULT)
299 # On Win32, CMake doesn't properly handle piping the default output/error
300 # streams into the GUI console. So, we explicitly catch and report them.
301 if( NOT "${LLVMBUILDOUTPUT}" STREQUAL "")
302 message(STATUS "llvm-build output: ${LLVMBUILDOUTPUT}")
304 if( NOT "${LLVMBUILDRESULT}" STREQUAL "0" )
306 "Unexpected failure executing llvm-build: ${LLVMBUILDERRORS}")
309 # Include the generated CMake fragment. This will define properties from the
310 # LLVMBuild files in a format which is easy to consume from CMake, and will add
311 # the dependencies so that CMake will reconfigure properly when the LLVMBuild
313 include(${LLVMBUILDCMAKEFRAG})
317 # Configure all of the various header file fragments LLVM uses which depend on
318 # configuration variables.
319 set(LLVM_ENUM_TARGETS "")
320 set(LLVM_ENUM_ASM_PRINTERS "")
321 set(LLVM_ENUM_ASM_PARSERS "")
322 set(LLVM_ENUM_DISASSEMBLERS "")
323 foreach(t ${LLVM_TARGETS_TO_BUILD})
324 set( td ${LLVM_MAIN_SRC_DIR}/lib/Target/${t} )
326 list(FIND LLVM_ALL_TARGETS ${t} idx)
327 list(FIND LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ${t} idy)
328 if( idx LESS 0 AND idy LESS 0 )
329 message(FATAL_ERROR "The target `${t}' does not exist.
330 It should be one of\n${LLVM_ALL_TARGETS}")
332 set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${t})\n")
335 file(GLOB asmp_file "${td}/*AsmPrinter.cpp")
337 set(LLVM_ENUM_ASM_PRINTERS
338 "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n")
340 if( EXISTS ${td}/AsmParser/CMakeLists.txt )
341 set(LLVM_ENUM_ASM_PARSERS
342 "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n")
344 if( EXISTS ${td}/Disassembler/CMakeLists.txt )
345 set(LLVM_ENUM_DISASSEMBLERS
346 "${LLVM_ENUM_DISASSEMBLERS}LLVM_DISASSEMBLER(${t})\n")
350 # Produce the target definition files, which provide a way for clients to easily
351 # include various classes of targets.
353 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in
354 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmPrinters.def
357 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in
358 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmParsers.def
361 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Disassemblers.def.in
362 ${LLVM_BINARY_DIR}/include/llvm/Config/Disassemblers.def
365 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in
366 ${LLVM_BINARY_DIR}/include/llvm/Config/Targets.def
369 # Configure the three LLVM configuration header files.
371 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/config.h.cmake
372 ${LLVM_BINARY_DIR}/include/llvm/Config/config.h)
374 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/llvm-config.h.cmake
375 ${LLVM_BINARY_DIR}/include/llvm/Config/llvm-config.h)
377 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Support/DataTypes.h.cmake
378 ${LLVM_BINARY_DIR}/include/llvm/Support/DataTypes.h)
380 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR} )
381 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
382 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
384 set(CMAKE_INCLUDE_CURRENT_DIR ON)
386 include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR})
388 if( ${CMAKE_SYSTEM_NAME} MATCHES FreeBSD )
389 # On FreeBSD, /usr/local/* is not used by default. In order to build LLVM
390 # with libxml2, iconv.h, etc., we must add /usr/local paths.
391 include_directories("/usr/local/include")
392 link_directories("/usr/local/lib")
393 endif( ${CMAKE_SYSTEM_NAME} MATCHES FreeBSD )
395 if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
396 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -include llvm/Support/Solaris.h")
397 endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
399 # Make sure we don't get -rdynamic in every binary. For those that need it,
400 # use set_target_properties(target PROPERTIES ENABLE_EXPORTS 1)
401 set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "")
407 # People report that -O3 is unreliable on MinGW. The traditional
408 # build also uses -O2 for that reason:
409 llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2")
412 # Put this before tblgen. Else we have a circular dependence.
413 add_subdirectory(lib/Support)
414 add_subdirectory(lib/TableGen)
416 add_subdirectory(utils/TableGen)
418 add_subdirectory(include/llvm)
420 add_subdirectory(lib)
422 add_subdirectory(utils/FileCheck)
423 add_subdirectory(utils/FileUpdate)
424 add_subdirectory(utils/count)
425 add_subdirectory(utils/not)
426 add_subdirectory(utils/llvm-lit)
427 add_subdirectory(utils/yaml-bench)
429 add_subdirectory(projects)
431 if( LLVM_INCLUDE_TOOLS )
432 add_subdirectory(tools)
435 if( LLVM_INCLUDE_RUNTIME )
436 add_subdirectory(runtime)
439 if( LLVM_INCLUDE_EXAMPLES )
440 add_subdirectory(examples)
443 if( LLVM_INCLUDE_TESTS )
444 add_subdirectory(test)
445 add_subdirectory(utils/unittest)
446 add_subdirectory(unittests)
448 # This utility is used to prevent crashing tests from calling Dr. Watson on
450 add_subdirectory(utils/KillTheDoctor)
453 # Add a global check rule now that all subdirectories have been traversed
454 # and we know the total set of lit testsuites.
455 get_property(LLVM_LIT_TESTSUITES GLOBAL PROPERTY LLVM_LIT_TESTSUITES)
456 get_property(LLVM_LIT_PARAMS GLOBAL PROPERTY LLVM_LIT_PARAMS)
457 get_property(LLVM_LIT_DEPENDS GLOBAL PROPERTY LLVM_LIT_DEPENDS)
458 get_property(LLVM_LIT_EXTRA_ARGS GLOBAL PROPERTY LLVM_LIT_EXTRA_ARGS)
459 add_lit_target(check-all
460 "Running all regression tests"
461 ${LLVM_LIT_TESTSUITES}
462 PARAMS ${LLVM_LIT_PARAMS}
463 DEPENDS ${LLVM_LIT_DEPENDS}
464 ARGS ${LLVM_LIT_EXTRA_ARGS}
468 add_subdirectory(cmake/modules)
470 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
471 install(DIRECTORY include/
478 PATTERN "LICENSE.TXT"
479 PATTERN ".svn" EXCLUDE
482 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/
489 # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
490 PATTERN "CMakeFiles" EXCLUDE
491 PATTERN ".svn" EXCLUDE
496 install(FILES include/llvm-c/lto.h DESTINATION include/llvm-c)
500 # TODO: make and install documentation.
502 set(CPACK_PACKAGE_VENDOR "LLVM")
503 set(CPACK_PACKAGE_VERSION_MAJOR ${LLVM_VERSION_MAJOR})
504 set(CPACK_PACKAGE_VERSION_MINOR ${LLVM_VERSION_MINOR})
505 if( LLVM_APPEND_VC_REV )
506 add_version_info_from_vcs(CPACK_PACKAGE_VERSION_PATCH)
508 set(CPACK_PACKAGE_VERSION_PATCH "svn")
510 set(CPACK_RESOURCE_FILE_LICENSE "${LLVM_MAIN_SRC_DIR}/LICENSE.TXT")
511 if(WIN32 AND NOT UNIX)
512 set(CPACK_PACKAGE_ICON "${LLVM_MAIN_SRC_DIR}\\\\cmake\\\\nsis_logo.bmp")
513 set(CPACK_NSIS_MODIFY_PATH "ON")
517 # Workaround for MSVS10 to avoid the Dialog Hell
518 # FIXME: This could be removed with future version of CMake.
519 if(MSVC_VERSION EQUAL 1600)
520 set(LLVM_SLN_FILENAME "${CMAKE_CURRENT_BINARY_DIR}/LLVM.sln")
521 if( EXISTS "${LLVM_SLN_FILENAME}" )
522 file(APPEND "${LLVM_SLN_FILENAME}" "\n# This should be regenerated!\n")