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 1)
16 set(PACKAGE_VERSION "${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}svn")
18 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
20 include(VersionFromVCS)
22 option(LLVM_APPEND_VC_REV
23 "Append the version control system revision id to LLVM version" OFF)
25 if( LLVM_APPEND_VC_REV )
26 add_version_info_from_vcs(PACKAGE_VERSION)
29 set(PACKAGE_NAME LLVM)
30 set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
31 set(PACKAGE_BUGREPORT "http://llvm.org/bugs/")
33 # Sanity check our source directory to make sure that we are not trying to
34 # generate an in-tree build (unless on MSVC_IDE, where it is ok), and to make
35 # sure that we don't have any stray generated files lying around in the tree
36 # (which would end up getting picked up by header search, instead of the correct
38 if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE )
39 message(FATAL_ERROR "In-source builds are not allowed.
40 CMake would overwrite the makefiles distributed with LLVM.
41 Please create a directory and run cmake from there, passing the path
42 to this source directory as the last argument.
43 This process created the file `CMakeCache.txt' and the directory `CMakeFiles'.
46 if( NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR )
48 tablegenned_files_on_include_dir
49 "${CMAKE_CURRENT_SOURCE_DIR}/include/llvm/*.gen")
51 tablegenned_files_on_lib_dir
52 "${CMAKE_CURRENT_SOURCE_DIR}/lib/Target/*.inc")
53 if( tablegenned_files_on_include_dir OR tablegenned_files_on_lib_dir)
54 message(FATAL_ERROR "Apparently there is a previous in-source build,
55 probably as the result of running `configure' and `make' on
56 ${CMAKE_CURRENT_SOURCE_DIR}.
57 This may cause problems. The suspicious files are:
58 ${tablegenned_files_on_lib_dir}
59 ${tablegenned_files_on_include_dir}
60 Please clean the source directory.")
64 string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE)
66 set(LLVM_MAIN_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR})
67 set(LLVM_MAIN_INCLUDE_DIR ${LLVM_MAIN_SRC_DIR}/include)
68 set(LLVM_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
69 set(LLVM_TOOLS_BINARY_DIR ${LLVM_BINARY_DIR}/bin)
70 set(LLVM_EXAMPLES_BINARY_DIR ${LLVM_BINARY_DIR}/examples)
71 set(LLVM_LIBDIR_SUFFIX "" CACHE STRING "Define suffix of library directory name (32/64)" )
89 # List of targets with JIT support:
90 set(LLVM_TARGETS_WITH_JIT X86 PowerPC ARM Mips)
93 set(LLVM_TARGETS_TO_BUILD X86
94 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
96 set(LLVM_TARGETS_TO_BUILD "all"
97 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
100 option(BUILD_SHARED_LIBS
101 "Build all libraries as shared libraries instead of static" OFF)
103 option(LLVM_ENABLE_CBE_PRINTF_A "Set to ON if CBE is enabled for printf %a output" ON)
104 if(LLVM_ENABLE_CBE_PRINTF_A)
105 set(ENABLE_CBE_PRINTF_A 1)
108 option(LLVM_ENABLE_TIMESTAMPS "Enable embedding timestamp information in build" ON)
109 if(LLVM_ENABLE_TIMESTAMPS)
110 set(ENABLE_TIMESTAMPS 1)
113 option(LLVM_ENABLE_FFI "Use libffi to call external functions from the interpreter" OFF)
114 set(FFI_LIBRARY_DIR "" CACHE PATH "Additional directory, where CMake should search for libffi.so")
115 set(FFI_INCLUDE_DIR "" CACHE PATH "Additional directory, where CMake should search for ffi.h or ffi/ffi.h")
117 set(LLVM_TARGET_ARCH "host"
118 CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.")
120 option(LLVM_ENABLE_THREADS "Use threads if available." ON)
122 if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
123 set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
126 set(LLVM_ENUM_TARGETS "")
127 foreach(c ${LLVM_TARGETS_TO_BUILD})
128 list(FIND LLVM_ALL_TARGETS ${c} idx)
130 message(FATAL_ERROR "The target `${c}' does not exist.
131 It should be one of\n${LLVM_ALL_TARGETS}")
133 set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${c})\n")
137 set(llvm_builded_incs_dir ${LLVM_BINARY_DIR}/include/llvm)
139 include(AddLLVMDefinitions)
141 option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON)
143 # MSVC has a gazillion warnings with this.
145 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." OFF)
147 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON)
150 option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
151 option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
153 if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
154 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
156 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
159 option(LLVM_USE_INTEL_JITEVENTS
160 "Use Intel JIT API to inform Intel(R) VTune(TM) Amplifier XE 2011 about JIT code"
163 if( LLVM_USE_INTEL_JITEVENTS )
164 # Verify we are on a supported platform
165 if( CMAKE_SYSTEM_NAME MATCHES "Windows" OR CMAKE_SYSTEM_NAME MATCHES "Linux" )
166 # Directory where Intel Parallel Amplifier XE 2011 is installed.
168 set(LLVM_INTEL_JITEVENTS_DIR $ENV{VTUNE_AMPLIFIER_XE_2011_DIR})
170 set(LLVM_INTEL_JITEVENTS_DIR "/opt/intel/vtune_amplifier_xe_2011")
173 # Set include and library search paths for Intel JIT Events API
174 set(LLVM_INTEL_JITEVENTS_INCDIR "${LLVM_INTEL_JITEVENTS_DIR}/include")
176 if ( CMAKE_SIZEOF_VOID_P EQUAL 8 )
177 set(LLVM_INTEL_JITEVENTS_LIBDIR "${LLVM_INTEL_JITEVENTS_DIR}/lib64")
178 else ( CMAKE_SIZEOF_VOID_P EQUAL 8 )
179 set(LLVM_INTEL_JITEVENTS_LIBDIR "${LLVM_INTEL_JITEVENTS_DIR}/lib32")
180 endif ( CMAKE_SIZEOF_VOID_P EQUAL 8 )
183 "Intel JIT API support is available on Linux and Windows only.")
185 endif( LLVM_USE_INTEL_JITEVENTS )
187 option(LLVM_USE_OPROFILE
188 "Use opagent JIT interface to inform OProfile about JIT code" OFF)
190 # If enabled, ierify we are on a platform that supports oprofile.
191 if( LLVM_USE_OPROFILE )
192 if( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
193 message(FATAL_ERROR "OProfile support is available on Linux only.")
194 endif( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
195 endif( LLVM_USE_OPROFILE )
197 # Define an option controlling whether we should build for 32-bit on 64-bit
198 # platforms, where supported.
199 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
200 # TODO: support other platforms and toolchains.
201 option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
204 # Define the default arguments to use with 'lit', and an option for the user to
206 set(LIT_ARGS_DEFAULT "-sv")
208 set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
210 set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit")
212 # On Win32 hosts, provide an option to specify the path to the GnuWin32 tools.
213 if( WIN32 AND NOT CYGWIN )
214 set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools")
217 # On Win32 using MS tools, provide an option to set the number of parallel jobs
219 if( MSVC_IDE AND ( MSVC90 OR MSVC10 ) )
220 # Only Visual Studio 2008 and 2010 officially supports /MP. Visual Studio
221 # 2005 supports it but it is experimental.
222 set(LLVM_COMPILER_JOBS "0" CACHE STRING
223 "Number of parallel compiler jobs. 0 means use all processors. Default is 0.")
226 # Define options to control the inclusion and default build behavior for
227 # components which may not strictly be necessary (tools, runtime, examples, and
230 # This is primarily to support building smaller or faster project files.
231 option(LLVM_INCLUDE_TOOLS "Generate build targets for the LLVM tools." ON)
232 option(LLVM_BUILD_TOOLS
233 "Build the LLVM tools. If OFF, just generate build targets." ON)
235 option(LLVM_INCLUDE_RUNTIME "Generate build targets for the LLVM runtimes" ON)
236 option(LLVM_BUILD_RUNTIME
237 "Build the LLVM runtime libraries. If OFF, just generate build targets." ON)
239 option(LLVM_BUILD_EXAMPLES
240 "Build the LLVM example programs. If OFF, just generate build targets." OFF)
241 option(LLVM_INCLUDE_EXAMPLES "Generate build targets for the LLVM examples" ON)
243 option(LLVM_BUILD_TESTS
244 "Build LLVM unit tests. If OFF, just generate build targets." OFF)
245 option(LLVM_INCLUDE_TESTS "Generate build targets for the LLVM unit tests." ON)
247 # All options referred to from HandleLLVMOptions have to be specified
248 # BEFORE this include, otherwise options will not be correctly set on
251 include(HandleLLVMOptions)
253 # Verify that we can find a Python interpreter,
254 include(FindPythonInterp)
255 if( NOT PYTHONINTERP_FOUND )
257 "Unable to find Python interpreter, required for builds and testing.
259 Please install Python or specify the PYTHON_EXECUTABLE CMake variable.")
263 # LLVMBuild Integration
265 # We use llvm-build to generate all the data required by the CMake based
266 # build system in one swoop:
268 # - We generate a file (a CMake fragment) in the object root which contains
269 # all the definitions that are required by CMake.
271 # - We generate the library table used by llvm-config.
273 # - We generate the dependencies for the CMake fragment, so that we will
274 # automatically reconfigure outselves.
276 set(LLVMBUILDTOOL "${LLVM_MAIN_SRC_DIR}/utils/llvm-build/llvm-build")
277 set(LLVMCONFIGLIBRARYDEPENDENCIESINC
278 "${LLVM_BINARY_DIR}/tools/llvm-config/LibraryDependencies.inc")
279 set(LLVMBUILDCMAKEFRAG
280 "${LLVM_BINARY_DIR}/LLVMBuild.cmake")
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 --write-library-table ${LLVMCONFIGLIBRARYDEPENDENCIESINC}
287 --write-cmake-fragment ${LLVMBUILDCMAKEFRAG}
288 ERROR_VARIABLE LLVMBUILDOUTPUT
289 ERROR_VARIABLE LLVMBUILDERRORS
290 OUTPUT_STRIP_TRAILING_WHITESPACE
291 ERROR_STRIP_TRAILING_WHITESPACE
292 RESULT_VARIABLE LLVMBUILDRESULT)
294 # On Win32, CMake doesn't properly handle piping the default output/error
295 # streams into the GUI console. So, we explicitly catch and report them.
296 if( NOT "${LLVMBUILDOUTPUT}" STREQUAL "")
297 message(STATUS "llvm-build output: ${LLVMBUILDOUTPUT}")
299 if( NOT "${LLVMBUILDRESULT}" STREQUAL "0" )
301 "Unexpected failure executing llvm-build: ${LLVMBUILDERRORS}")
304 # Include the generated CMake fragment. This will define properties from the
305 # LLVMBuild files in a format which is easy to consume from CMake, and will add
306 # the dependencies so that CMake will reconfigure properly when the LLVMBuild
308 include(${LLVMBUILDCMAKEFRAG})
312 # Configure all of the various header file fragments LLVM uses which depend on
313 # configuration variables.
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} )
319 file(GLOB asmp_file "${td}/*AsmPrinter.cpp")
321 set(LLVM_ENUM_ASM_PRINTERS
322 "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n")
324 if( EXISTS ${td}/AsmParser/CMakeLists.txt )
325 set(LLVM_ENUM_ASM_PARSERS
326 "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n")
328 if( EXISTS ${td}/Disassembler/CMakeLists.txt )
329 set(LLVM_ENUM_DISASSEMBLERS
330 "${LLVM_ENUM_DISASSEMBLERS}LLVM_DISASSEMBLER(${t})\n")
334 # Produce the target definition files, which provide a way for clients to easily
335 # include various classes of targets.
337 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in
338 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmPrinters.def
341 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in
342 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmParsers.def
345 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Disassemblers.def.in
346 ${LLVM_BINARY_DIR}/include/llvm/Config/Disassemblers.def
349 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in
350 ${LLVM_BINARY_DIR}/include/llvm/Config/Targets.def
353 # Configure the three LLVM configuration header files.
355 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/config.h.cmake
356 ${LLVM_BINARY_DIR}/include/llvm/Config/config.h)
358 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/llvm-config.h.cmake
359 ${LLVM_BINARY_DIR}/include/llvm/Config/llvm-config.h)
361 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Support/DataTypes.h.cmake
362 ${LLVM_BINARY_DIR}/include/llvm/Support/DataTypes.h)
364 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR} )
365 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
366 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
368 set(CMAKE_INCLUDE_CURRENT_DIR ON)
370 include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR})
372 if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
373 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -include llvm/Support/Solaris.h")
374 endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
380 # People report that -O3 is unreliable on MinGW. The traditional
381 # build also uses -O2 for that reason:
382 llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2")
385 # Put this before tblgen. Else we have a circular dependence.
386 add_subdirectory(lib/Support)
387 add_subdirectory(lib/TableGen)
389 add_subdirectory(utils/TableGen)
391 add_subdirectory(include/llvm)
393 add_subdirectory(lib)
395 add_subdirectory(utils/FileCheck)
396 add_subdirectory(utils/FileUpdate)
397 add_subdirectory(utils/count)
398 add_subdirectory(utils/not)
399 add_subdirectory(utils/llvm-lit)
400 add_subdirectory(utils/json-bench)
402 add_subdirectory(projects)
404 if( LLVM_INCLUDE_TOOLS )
405 add_subdirectory(tools)
408 if( LLVM_INCLUDE_RUNTIME )
409 add_subdirectory(runtime)
412 if( LLVM_INCLUDE_EXAMPLES )
413 add_subdirectory(examples)
416 if( LLVM_INCLUDE_TESTS )
417 add_subdirectory(test)
418 add_subdirectory(utils/unittest)
419 add_subdirectory(unittests)
421 # This utility is used to prevent chrashing tests from calling Dr. Watson on
423 add_subdirectory(utils/KillTheDoctor)
427 add_subdirectory(cmake/modules)
429 install(DIRECTORY include/
436 PATTERN "LICENSE.TXT"
437 PATTERN ".svn" EXCLUDE
440 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/
447 # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
448 PATTERN "CMakeFiles" EXCLUDE
449 PATTERN ".svn" EXCLUDE
452 # TODO: make and install documentation.
454 set(CPACK_PACKAGE_VENDOR "LLVM")
455 set(CPACK_PACKAGE_VERSION_MAJOR ${LLVM_VERSION_MAJOR})
456 set(CPACK_PACKAGE_VERSION_MINOR ${LLVM_VERSION_MINOR})
457 add_version_info_from_vcs(CPACK_PACKAGE_VERSION_PATCH)
460 # Workaround for MSVS10 to avoid the Dialog Hell
461 # FIXME: This could be removed with future version of CMake.
462 if(MSVC_VERSION EQUAL 1600)
463 set(LLVM_SLN_FILENAME "${CMAKE_CURRENT_BINARY_DIR}/LLVM.sln")
464 if( EXISTS "${LLVM_SLN_FILENAME}" )
465 file(APPEND "${LLVM_SLN_FILENAME}" "\n# This should be regenerated!\n")