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)" )
93 # List of targets with JIT support:
94 set(LLVM_TARGETS_WITH_JIT X86 PowerPC AArch64 ARM Mips SystemZ)
96 set(LLVM_TARGETS_TO_BUILD "all"
97 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
99 set(LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ""
100 CACHE STRING "Semicolon-separated list of experimental targets to build.")
102 option(BUILD_SHARED_LIBS
103 "Build all libraries as shared libraries instead of static" OFF)
105 option(LLVM_ENABLE_CBE_PRINTF_A "Set to ON if CBE is enabled for printf %a output" ON)
106 if(LLVM_ENABLE_CBE_PRINTF_A)
107 set(ENABLE_CBE_PRINTF_A 1)
110 option(LLVM_ENABLE_TIMESTAMPS "Enable embedding timestamp information in build" ON)
111 if(LLVM_ENABLE_TIMESTAMPS)
112 set(ENABLE_TIMESTAMPS 1)
115 option(LLVM_ENABLE_BACKTRACES "Enable embedding backtraces on crash." ON)
116 if(LLVM_ENABLE_BACKTRACES)
117 set(ENABLE_BACKTRACES 1)
120 option(LLVM_ENABLE_FFI "Use libffi to call external functions from the interpreter" OFF)
121 set(FFI_LIBRARY_DIR "" CACHE PATH "Additional directory, where CMake should search for libffi.so")
122 set(FFI_INCLUDE_DIR "" CACHE PATH "Additional directory, where CMake should search for ffi.h or ffi/ffi.h")
124 set(LLVM_TARGET_ARCH "host"
125 CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.")
127 option(LLVM_ENABLE_THREADS "Use threads if available." ON)
129 option(LLVM_ENABLE_ZLIB "Use zlib for compression/decompression if available." ON)
131 if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
132 set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
135 set(LLVM_TARGETS_TO_BUILD
136 ${LLVM_TARGETS_TO_BUILD}
137 ${LLVM_EXPERIMENTAL_TARGETS_TO_BUILD})
138 list(REMOVE_DUPLICATES LLVM_TARGETS_TO_BUILD)
140 set(llvm_builded_incs_dir ${LLVM_BINARY_DIR}/include/llvm)
142 include(AddLLVMDefinitions)
144 option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON)
146 # MSVC has a gazillion warnings with this.
148 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." OFF)
150 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON)
153 option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
154 option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
156 if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
157 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
159 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
162 option(LLVM_USE_INTEL_JITEVENTS
163 "Use Intel JIT API to inform Intel(R) VTune(TM) Amplifier XE 2011 about JIT code"
166 if( LLVM_USE_INTEL_JITEVENTS )
167 # Verify we are on a supported platform
168 if( NOT CMAKE_SYSTEM_NAME MATCHES "Windows" AND NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
170 "Intel JIT API support is available on Linux and Windows only.")
172 endif( LLVM_USE_INTEL_JITEVENTS )
174 option(LLVM_USE_OPROFILE
175 "Use opagent JIT interface to inform OProfile about JIT code" OFF)
177 # If enabled, verify we are on a platform that supports oprofile.
178 if( LLVM_USE_OPROFILE )
179 if( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
180 message(FATAL_ERROR "OProfile support is available on Linux only.")
181 endif( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
182 endif( LLVM_USE_OPROFILE )
184 set(LLVM_USE_SANITIZER "" CACHE STRING
185 "Define the sanitizer used to build binaries and tests.")
187 # Define an option controlling whether we should build for 32-bit on 64-bit
188 # platforms, where supported.
189 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
190 # TODO: support other platforms and toolchains.
191 option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
194 # Define the default arguments to use with 'lit', and an option for the user to
196 set(LIT_ARGS_DEFAULT "-sv")
198 set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
200 set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit")
202 # On Win32 hosts, provide an option to specify the path to the GnuWin32 tools.
203 if( WIN32 AND NOT CYGWIN )
204 set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools")
207 # Define options to control the inclusion and default build behavior for
208 # components which may not strictly be necessary (tools, runtime, examples, and
211 # This is primarily to support building smaller or faster project files.
212 option(LLVM_INCLUDE_TOOLS "Generate build targets for the LLVM tools." ON)
213 option(LLVM_BUILD_TOOLS
214 "Build the LLVM tools. If OFF, just generate build targets." ON)
216 option(LLVM_INCLUDE_RUNTIME "Generate build targets for the LLVM runtimes" ON)
217 option(LLVM_BUILD_RUNTIME
218 "Build the LLVM runtime libraries. If OFF, just generate build targets." ON)
220 option(LLVM_BUILD_EXAMPLES
221 "Build the LLVM example programs. If OFF, just generate build targets." OFF)
222 option(LLVM_INCLUDE_EXAMPLES "Generate build targets for the LLVM examples" ON)
224 option(LLVM_BUILD_TESTS
225 "Build LLVM unit tests. If OFF, just generate build targets." OFF)
226 option(LLVM_INCLUDE_TESTS "Generate build targets for the LLVM unit tests." ON)
228 # All options referred to from HandleLLVMOptions have to be specified
229 # BEFORE this include, otherwise options will not be correctly set on
233 # By default, we target the host, but this can be overridden at CMake
235 set(LLVM_DEFAULT_TARGET_TRIPLE "${LLVM_HOST_TRIPLE}" CACHE STRING
236 "Default target for which LLVM will generate code." )
237 set(TARGET_TRIPLE "${LLVM_DEFAULT_TARGET_TRIPLE}")
239 include(HandleLLVMOptions)
241 # Verify that we can find a Python 2 interpreter. Python 3 is unsupported.
242 set(Python_ADDITIONAL_VERSIONS 2.7 2.6 2.5 2.4)
243 include(FindPythonInterp)
244 if( NOT PYTHONINTERP_FOUND )
246 "Unable to find Python interpreter, required for builds and testing.
248 Please install Python or specify the PYTHON_EXECUTABLE CMake variable.")
252 # LLVMBuild Integration
254 # We use llvm-build to generate all the data required by the CMake based
255 # build system in one swoop:
257 # - We generate a file (a CMake fragment) in the object root which contains
258 # all the definitions that are required by CMake.
260 # - We generate the library table used by llvm-config.
262 # - We generate the dependencies for the CMake fragment, so that we will
263 # automatically reconfigure outselves.
265 set(LLVMBUILDTOOL "${LLVM_MAIN_SRC_DIR}/utils/llvm-build/llvm-build")
266 set(LLVMCONFIGLIBRARYDEPENDENCIESINC
267 "${LLVM_BINARY_DIR}/tools/llvm-config/LibraryDependencies.inc")
268 set(LLVMBUILDCMAKEFRAG
269 "${LLVM_BINARY_DIR}/LLVMBuild.cmake")
271 # Create the list of optional components that are enabled
272 if (LLVM_USE_INTEL_JITEVENTS)
273 set(LLVMOPTIONALCOMPONENTS IntelJITEvents)
274 endif (LLVM_USE_INTEL_JITEVENTS)
275 if (LLVM_USE_OPROFILE)
276 set(LLVMOPTIONALCOMPONENTS ${LLVMOPTIONALCOMPONENTS} OProfileJIT)
277 endif (LLVM_USE_OPROFILE)
279 message(STATUS "Constructing LLVMBuild project information")
281 COMMAND ${PYTHON_EXECUTABLE} ${LLVMBUILDTOOL}
282 --native-target "${LLVM_NATIVE_ARCH}"
283 --enable-targets "${LLVM_TARGETS_TO_BUILD}"
284 --enable-optional-components "${LLVMOPTIONALCOMPONENTS}"
285 --write-library-table ${LLVMCONFIGLIBRARYDEPENDENCIESINC}
286 --write-cmake-fragment ${LLVMBUILDCMAKEFRAG}
287 ERROR_VARIABLE LLVMBUILDOUTPUT
288 ERROR_VARIABLE LLVMBUILDERRORS
289 OUTPUT_STRIP_TRAILING_WHITESPACE
290 ERROR_STRIP_TRAILING_WHITESPACE
291 RESULT_VARIABLE LLVMBUILDRESULT)
293 # On Win32, CMake doesn't properly handle piping the default output/error
294 # streams into the GUI console. So, we explicitly catch and report them.
295 if( NOT "${LLVMBUILDOUTPUT}" STREQUAL "")
296 message(STATUS "llvm-build output: ${LLVMBUILDOUTPUT}")
298 if( NOT "${LLVMBUILDRESULT}" STREQUAL "0" )
300 "Unexpected failure executing llvm-build: ${LLVMBUILDERRORS}")
303 # Include the generated CMake fragment. This will define properties from the
304 # LLVMBuild files in a format which is easy to consume from CMake, and will add
305 # the dependencies so that CMake will reconfigure properly when the LLVMBuild
307 include(${LLVMBUILDCMAKEFRAG})
311 # Configure all of the various header file fragments LLVM uses which depend on
312 # configuration variables.
313 set(LLVM_ENUM_TARGETS "")
314 set(LLVM_ENUM_ASM_PRINTERS "")
315 set(LLVM_ENUM_ASM_PARSERS "")
316 set(LLVM_ENUM_DISASSEMBLERS "")
317 foreach(t ${LLVM_TARGETS_TO_BUILD})
318 set( td ${LLVM_MAIN_SRC_DIR}/lib/Target/${t} )
320 list(FIND LLVM_ALL_TARGETS ${t} idx)
321 list(FIND LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ${t} idy)
322 if( idx LESS 0 AND idy LESS 0 )
323 message(FATAL_ERROR "The target `${t}' does not exist.
324 It should be one of\n${LLVM_ALL_TARGETS}")
326 set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${t})\n")
329 file(GLOB asmp_file "${td}/*AsmPrinter.cpp")
331 set(LLVM_ENUM_ASM_PRINTERS
332 "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n")
334 if( EXISTS ${td}/AsmParser/CMakeLists.txt )
335 set(LLVM_ENUM_ASM_PARSERS
336 "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n")
338 if( EXISTS ${td}/Disassembler/CMakeLists.txt )
339 set(LLVM_ENUM_DISASSEMBLERS
340 "${LLVM_ENUM_DISASSEMBLERS}LLVM_DISASSEMBLER(${t})\n")
344 # Produce the target definition files, which provide a way for clients to easily
345 # include various classes of targets.
347 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in
348 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmPrinters.def
351 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in
352 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmParsers.def
355 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Disassemblers.def.in
356 ${LLVM_BINARY_DIR}/include/llvm/Config/Disassemblers.def
359 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in
360 ${LLVM_BINARY_DIR}/include/llvm/Config/Targets.def
363 # Configure the three LLVM configuration header files.
365 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/config.h.cmake
366 ${LLVM_BINARY_DIR}/include/llvm/Config/config.h)
368 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/llvm-config.h.cmake
369 ${LLVM_BINARY_DIR}/include/llvm/Config/llvm-config.h)
371 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Support/DataTypes.h.cmake
372 ${LLVM_BINARY_DIR}/include/llvm/Support/DataTypes.h)
374 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR} )
375 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
376 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
378 set(CMAKE_INCLUDE_CURRENT_DIR ON)
380 include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR})
382 if( ${CMAKE_SYSTEM_NAME} MATCHES FreeBSD )
383 # On FreeBSD, /usr/local/* is not used by default. In order to build LLVM
384 # with libxml2, iconv.h, etc., we must add /usr/local paths.
385 include_directories("/usr/local/include")
386 link_directories("/usr/local/lib")
387 endif( ${CMAKE_SYSTEM_NAME} MATCHES FreeBSD )
389 if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
390 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -include llvm/Support/Solaris.h")
391 endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
393 # Make sure we don't get -rdynamic in every binary. For those that need it,
394 # use set_target_properties(target PROPERTIES ENABLE_EXPORTS 1)
395 set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "")
401 # People report that -O3 is unreliable on MinGW. The traditional
402 # build also uses -O2 for that reason:
403 llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2")
406 # Put this before tblgen. Else we have a circular dependence.
407 add_subdirectory(lib/Support)
408 add_subdirectory(lib/TableGen)
410 add_subdirectory(utils/TableGen)
412 add_subdirectory(include/llvm)
414 add_subdirectory(lib)
416 add_subdirectory(utils/FileCheck)
417 add_subdirectory(utils/FileUpdate)
418 add_subdirectory(utils/count)
419 add_subdirectory(utils/not)
420 add_subdirectory(utils/llvm-lit)
421 add_subdirectory(utils/yaml-bench)
423 add_subdirectory(projects)
425 if( LLVM_INCLUDE_TOOLS )
426 add_subdirectory(tools)
429 if( LLVM_INCLUDE_RUNTIME )
430 add_subdirectory(runtime)
433 if( LLVM_INCLUDE_EXAMPLES )
434 add_subdirectory(examples)
437 if( LLVM_INCLUDE_TESTS )
438 add_subdirectory(test)
439 add_subdirectory(utils/unittest)
440 add_subdirectory(unittests)
442 # This utility is used to prevent crashing tests from calling Dr. Watson on
444 add_subdirectory(utils/KillTheDoctor)
447 # Add a global check rule now that all subdirectories have been traversed
448 # and we know the total set of lit testsuites.
449 get_property(LLVM_LIT_TESTSUITES GLOBAL PROPERTY LLVM_LIT_TESTSUITES)
450 get_property(LLVM_LIT_PARAMS GLOBAL PROPERTY LLVM_LIT_PARAMS)
451 get_property(LLVM_LIT_DEPENDS GLOBAL PROPERTY LLVM_LIT_DEPENDS)
452 get_property(LLVM_LIT_EXTRA_ARGS GLOBAL PROPERTY LLVM_LIT_EXTRA_ARGS)
453 add_lit_target(check-all
454 "Running all regression tests"
455 ${LLVM_LIT_TESTSUITES}
456 PARAMS ${LLVM_LIT_PARAMS}
457 DEPENDS ${LLVM_LIT_DEPENDS}
458 ARGS ${LLVM_LIT_EXTRA_ARGS}
462 add_subdirectory(cmake/modules)
464 install(DIRECTORY include/
471 PATTERN "LICENSE.TXT"
472 PATTERN ".svn" EXCLUDE
475 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/
482 # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
483 PATTERN "CMakeFiles" EXCLUDE
484 PATTERN ".svn" EXCLUDE
487 # TODO: make and install documentation.
489 set(CPACK_PACKAGE_VENDOR "LLVM")
490 set(CPACK_PACKAGE_VERSION_MAJOR ${LLVM_VERSION_MAJOR})
491 set(CPACK_PACKAGE_VERSION_MINOR ${LLVM_VERSION_MINOR})
492 add_version_info_from_vcs(CPACK_PACKAGE_VERSION_PATCH)
495 # Workaround for MSVS10 to avoid the Dialog Hell
496 # FIXME: This could be removed with future version of CMake.
497 if(MSVC_VERSION EQUAL 1600)
498 set(LLVM_SLN_FILENAME "${CMAKE_CURRENT_BINARY_DIR}/LLVM.sln")
499 if( EXISTS "${LLVM_SLN_FILENAME}" )
500 file(APPEND "${LLVM_SLN_FILENAME}" "\n# This should be regenerated!\n")