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 2)
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)" )
91 # List of targets with JIT support:
92 set(LLVM_TARGETS_WITH_JIT X86 PowerPC ARM Mips)
95 set(LLVM_TARGETS_TO_BUILD X86
96 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
98 set(LLVM_TARGETS_TO_BUILD "all"
99 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
102 set(LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ""
103 CACHE STRING "Semicolon-separated list of experimental targets to build.")
105 option(BUILD_SHARED_LIBS
106 "Build all libraries as shared libraries instead of static" OFF)
108 option(LLVM_ENABLE_CBE_PRINTF_A "Set to ON if CBE is enabled for printf %a output" ON)
109 if(LLVM_ENABLE_CBE_PRINTF_A)
110 set(ENABLE_CBE_PRINTF_A 1)
113 option(LLVM_ENABLE_TIMESTAMPS "Enable embedding timestamp information in build" ON)
114 if(LLVM_ENABLE_TIMESTAMPS)
115 set(ENABLE_TIMESTAMPS 1)
118 option(LLVM_ENABLE_FFI "Use libffi to call external functions from the interpreter" OFF)
119 set(FFI_LIBRARY_DIR "" CACHE PATH "Additional directory, where CMake should search for libffi.so")
120 set(FFI_INCLUDE_DIR "" CACHE PATH "Additional directory, where CMake should search for ffi.h or ffi/ffi.h")
122 set(LLVM_TARGET_ARCH "host"
123 CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.")
125 option(LLVM_ENABLE_THREADS "Use threads if available." ON)
127 if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
128 set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
131 set(LLVM_TARGETS_TO_BUILD
132 ${LLVM_TARGETS_TO_BUILD}
133 ${LLVM_EXPERIMENTAL_TARGETS_TO_BUILD})
135 set(LLVM_ENUM_TARGETS "")
136 foreach(c ${LLVM_TARGETS_TO_BUILD})
137 list(FIND LLVM_ALL_TARGETS ${c} idx)
138 list(FIND LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ${c} idy)
139 if( idx LESS 0 AND idy LESS 0 )
140 message(FATAL_ERROR "The target `${c}' does not exist.
141 It should be one of\n${LLVM_ALL_TARGETS}")
143 set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${c})\n")
147 set(llvm_builded_incs_dir ${LLVM_BINARY_DIR}/include/llvm)
149 include(AddLLVMDefinitions)
151 option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON)
153 # MSVC has a gazillion warnings with this.
155 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." OFF)
157 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON)
160 option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
161 option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
163 if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
164 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
166 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
169 option(LLVM_USE_INTEL_JITEVENTS
170 "Use Intel JIT API to inform Intel(R) VTune(TM) Amplifier XE 2011 about JIT code"
173 if( LLVM_USE_INTEL_JITEVENTS )
174 # Verify we are on a supported platform
175 if( CMAKE_SYSTEM_NAME MATCHES "Windows" OR CMAKE_SYSTEM_NAME MATCHES "Linux" )
176 # Directory where Intel Parallel Amplifier XE 2011 is installed.
178 set(LLVM_INTEL_JITEVENTS_DIR $ENV{VTUNE_AMPLIFIER_XE_2011_DIR})
180 set(LLVM_INTEL_JITEVENTS_DIR "/opt/intel/vtune_amplifier_xe_2011")
183 # Set include and library search paths for Intel JIT Events API
184 set(LLVM_INTEL_JITEVENTS_INCDIR "${LLVM_INTEL_JITEVENTS_DIR}/include")
186 if ( CMAKE_SIZEOF_VOID_P EQUAL 8 )
187 set(LLVM_INTEL_JITEVENTS_LIBDIR "${LLVM_INTEL_JITEVENTS_DIR}/lib64")
188 else ( CMAKE_SIZEOF_VOID_P EQUAL 8 )
189 set(LLVM_INTEL_JITEVENTS_LIBDIR "${LLVM_INTEL_JITEVENTS_DIR}/lib32")
190 endif ( CMAKE_SIZEOF_VOID_P EQUAL 8 )
193 "Intel JIT API support is available on Linux and Windows only.")
195 endif( LLVM_USE_INTEL_JITEVENTS )
197 option(LLVM_USE_OPROFILE
198 "Use opagent JIT interface to inform OProfile about JIT code" OFF)
200 # If enabled, ierify we are on a platform that supports oprofile.
201 if( LLVM_USE_OPROFILE )
202 if( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
203 message(FATAL_ERROR "OProfile support is available on Linux only.")
204 endif( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
205 endif( LLVM_USE_OPROFILE )
207 # Define an option controlling whether we should build for 32-bit on 64-bit
208 # platforms, where supported.
209 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
210 # TODO: support other platforms and toolchains.
211 option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
214 # Define the default arguments to use with 'lit', and an option for the user to
216 set(LIT_ARGS_DEFAULT "-sv")
218 set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
220 set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit")
222 # On Win32 hosts, provide an option to specify the path to the GnuWin32 tools.
223 if( WIN32 AND NOT CYGWIN )
224 set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools")
227 # Define options to control the inclusion and default build behavior for
228 # components which may not strictly be necessary (tools, runtime, examples, and
231 # This is primarily to support building smaller or faster project files.
232 option(LLVM_INCLUDE_TOOLS "Generate build targets for the LLVM tools." ON)
233 option(LLVM_BUILD_TOOLS
234 "Build the LLVM tools. If OFF, just generate build targets." ON)
236 option(LLVM_INCLUDE_RUNTIME "Generate build targets for the LLVM runtimes" ON)
237 option(LLVM_BUILD_RUNTIME
238 "Build the LLVM runtime libraries. If OFF, just generate build targets." ON)
240 option(LLVM_BUILD_EXAMPLES
241 "Build the LLVM example programs. If OFF, just generate build targets." OFF)
242 option(LLVM_INCLUDE_EXAMPLES "Generate build targets for the LLVM examples" ON)
244 option(LLVM_BUILD_TESTS
245 "Build LLVM unit tests. If OFF, just generate build targets." OFF)
246 option(LLVM_INCLUDE_TESTS "Generate build targets for the LLVM unit tests." ON)
248 # All options referred to from HandleLLVMOptions have to be specified
249 # BEFORE this include, otherwise options will not be correctly set on
253 # By default, we target the host, but this can be overridden at CMake
255 set(LLVM_DEFAULT_TARGET_TRIPLE "${LLVM_HOST_TRIPLE}" CACHE STRING
256 "Default target for which LLVM will generate code." )
257 set(TARGET_TRIPLE "${LLVM_DEFAULT_TARGET_TRIPLE}" CACHE STRING
258 "Default target for which LLVM will generate code." )
260 include(HandleLLVMOptions)
262 # Verify that we can find a Python interpreter,
263 include(FindPythonInterp)
264 if( NOT PYTHONINTERP_FOUND )
266 "Unable to find Python interpreter, required for builds and testing.
268 Please install Python or specify the PYTHON_EXECUTABLE CMake variable.")
272 # LLVMBuild Integration
274 # We use llvm-build to generate all the data required by the CMake based
275 # build system in one swoop:
277 # - We generate a file (a CMake fragment) in the object root which contains
278 # all the definitions that are required by CMake.
280 # - We generate the library table used by llvm-config.
282 # - We generate the dependencies for the CMake fragment, so that we will
283 # automatically reconfigure outselves.
285 set(LLVMBUILDTOOL "${LLVM_MAIN_SRC_DIR}/utils/llvm-build/llvm-build")
286 set(LLVMCONFIGLIBRARYDEPENDENCIESINC
287 "${LLVM_BINARY_DIR}/tools/llvm-config/LibraryDependencies.inc")
288 set(LLVMBUILDCMAKEFRAG
289 "${LLVM_BINARY_DIR}/LLVMBuild.cmake")
291 # Create the list of optional components that are enabled
292 if (LLVM_USE_INTEL_JITEVENTS)
293 set(LLVMOPTIONALCOMPONENTS IntelJITEvents)
294 endif (LLVM_USE_INTEL_JITEVENTS)
295 if (LLVM_USE_OPROFILE)
296 set(LLVMOPTIONALCOMPONENTS ${LLVMOPTIONALCOMPONENTS} OProfileJIT)
297 endif (LLVM_USE_OPROFILE)
299 message(STATUS "Constructing LLVMBuild project information")
301 COMMAND ${PYTHON_EXECUTABLE} ${LLVMBUILDTOOL}
302 --native-target "${LLVM_NATIVE_ARCH}"
303 --enable-targets "${LLVM_TARGETS_TO_BUILD}"
304 --enable-optional-components "${LLVMOPTIONALCOMPONENTS}"
305 --write-library-table ${LLVMCONFIGLIBRARYDEPENDENCIESINC}
306 --write-cmake-fragment ${LLVMBUILDCMAKEFRAG}
307 ERROR_VARIABLE LLVMBUILDOUTPUT
308 ERROR_VARIABLE LLVMBUILDERRORS
309 OUTPUT_STRIP_TRAILING_WHITESPACE
310 ERROR_STRIP_TRAILING_WHITESPACE
311 RESULT_VARIABLE LLVMBUILDRESULT)
313 # On Win32, CMake doesn't properly handle piping the default output/error
314 # streams into the GUI console. So, we explicitly catch and report them.
315 if( NOT "${LLVMBUILDOUTPUT}" STREQUAL "")
316 message(STATUS "llvm-build output: ${LLVMBUILDOUTPUT}")
318 if( NOT "${LLVMBUILDRESULT}" STREQUAL "0" )
320 "Unexpected failure executing llvm-build: ${LLVMBUILDERRORS}")
323 # Include the generated CMake fragment. This will define properties from the
324 # LLVMBuild files in a format which is easy to consume from CMake, and will add
325 # the dependencies so that CMake will reconfigure properly when the LLVMBuild
327 include(${LLVMBUILDCMAKEFRAG})
331 # Configure all of the various header file fragments LLVM uses which depend on
332 # configuration variables.
333 set(LLVM_ENUM_ASM_PRINTERS "")
334 set(LLVM_ENUM_ASM_PARSERS "")
335 set(LLVM_ENUM_DISASSEMBLERS "")
336 foreach(t ${LLVM_TARGETS_TO_BUILD})
337 set( td ${LLVM_MAIN_SRC_DIR}/lib/Target/${t} )
338 file(GLOB asmp_file "${td}/*AsmPrinter.cpp")
340 set(LLVM_ENUM_ASM_PRINTERS
341 "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n")
343 if( EXISTS ${td}/AsmParser/CMakeLists.txt )
344 set(LLVM_ENUM_ASM_PARSERS
345 "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n")
347 if( EXISTS ${td}/Disassembler/CMakeLists.txt )
348 set(LLVM_ENUM_DISASSEMBLERS
349 "${LLVM_ENUM_DISASSEMBLERS}LLVM_DISASSEMBLER(${t})\n")
353 # Produce the target definition files, which provide a way for clients to easily
354 # include various classes of targets.
356 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in
357 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmPrinters.def
360 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in
361 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmParsers.def
364 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Disassemblers.def.in
365 ${LLVM_BINARY_DIR}/include/llvm/Config/Disassemblers.def
368 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in
369 ${LLVM_BINARY_DIR}/include/llvm/Config/Targets.def
372 # Configure the three LLVM configuration header files.
374 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/config.h.cmake
375 ${LLVM_BINARY_DIR}/include/llvm/Config/config.h)
377 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/llvm-config.h.cmake
378 ${LLVM_BINARY_DIR}/include/llvm/Config/llvm-config.h)
380 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Support/DataTypes.h.cmake
381 ${LLVM_BINARY_DIR}/include/llvm/Support/DataTypes.h)
383 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR} )
384 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
385 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
387 set(CMAKE_INCLUDE_CURRENT_DIR ON)
389 include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR})
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 )
399 # People report that -O3 is unreliable on MinGW. The traditional
400 # build also uses -O2 for that reason:
401 llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2")
404 # Put this before tblgen. Else we have a circular dependence.
405 add_subdirectory(lib/Support)
406 add_subdirectory(lib/TableGen)
408 add_subdirectory(utils/TableGen)
410 add_subdirectory(include/llvm)
412 add_subdirectory(lib)
414 add_subdirectory(utils/FileCheck)
415 add_subdirectory(utils/FileUpdate)
416 add_subdirectory(utils/count)
417 add_subdirectory(utils/not)
418 add_subdirectory(utils/llvm-lit)
419 add_subdirectory(utils/yaml-bench)
420 add_subdirectory(utils/obj2yaml)
421 add_subdirectory(utils/yaml2obj)
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 chrashing 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")