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)" )
92 # List of targets with JIT support:
93 set(LLVM_TARGETS_WITH_JIT X86 PowerPC ARM Mips)
96 set(LLVM_TARGETS_TO_BUILD X86
97 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
99 set(LLVM_TARGETS_TO_BUILD "all"
100 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
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_FFI "Use libffi to call external functions from the interpreter" OFF)
117 set(FFI_LIBRARY_DIR "" CACHE PATH "Additional directory, where CMake should search for libffi.so")
118 set(FFI_INCLUDE_DIR "" CACHE PATH "Additional directory, where CMake should search for ffi.h or ffi/ffi.h")
120 set(LLVM_TARGET_ARCH "host"
121 CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.")
123 option(LLVM_ENABLE_THREADS "Use threads if available." ON)
125 if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
126 set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
129 set(LLVM_ENUM_TARGETS "")
130 foreach(c ${LLVM_TARGETS_TO_BUILD})
131 list(FIND LLVM_ALL_TARGETS ${c} idx)
133 message(FATAL_ERROR "The target `${c}' does not exist.
134 It should be one of\n${LLVM_ALL_TARGETS}")
136 set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${c})\n")
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( CMAKE_SYSTEM_NAME MATCHES "Windows" OR CMAKE_SYSTEM_NAME MATCHES "Linux" )
169 # Directory where Intel Parallel Amplifier XE 2011 is installed.
171 set(LLVM_INTEL_JITEVENTS_DIR $ENV{VTUNE_AMPLIFIER_XE_2011_DIR})
173 set(LLVM_INTEL_JITEVENTS_DIR "/opt/intel/vtune_amplifier_xe_2011")
176 # Set include and library search paths for Intel JIT Events API
177 set(LLVM_INTEL_JITEVENTS_INCDIR "${LLVM_INTEL_JITEVENTS_DIR}/include")
179 if ( CMAKE_SIZEOF_VOID_P EQUAL 8 )
180 set(LLVM_INTEL_JITEVENTS_LIBDIR "${LLVM_INTEL_JITEVENTS_DIR}/lib64")
181 else ( CMAKE_SIZEOF_VOID_P EQUAL 8 )
182 set(LLVM_INTEL_JITEVENTS_LIBDIR "${LLVM_INTEL_JITEVENTS_DIR}/lib32")
183 endif ( CMAKE_SIZEOF_VOID_P EQUAL 8 )
186 "Intel JIT API support is available on Linux and Windows only.")
188 endif( LLVM_USE_INTEL_JITEVENTS )
190 option(LLVM_USE_OPROFILE
191 "Use opagent JIT interface to inform OProfile about JIT code" OFF)
193 # If enabled, ierify we are on a platform that supports oprofile.
194 if( LLVM_USE_OPROFILE )
195 if( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
196 message(FATAL_ERROR "OProfile support is available on Linux only.")
197 endif( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
198 endif( LLVM_USE_OPROFILE )
200 # Define an option controlling whether we should build for 32-bit on 64-bit
201 # platforms, where supported.
202 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
203 # TODO: support other platforms and toolchains.
204 option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
207 # Define the default arguments to use with 'lit', and an option for the user to
209 set(LIT_ARGS_DEFAULT "-sv")
211 set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
213 set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit")
215 # On Win32 hosts, provide an option to specify the path to the GnuWin32 tools.
216 if( WIN32 AND NOT CYGWIN )
217 set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools")
220 # Define options to control the inclusion and default build behavior for
221 # components which may not strictly be necessary (tools, runtime, examples, and
224 # This is primarily to support building smaller or faster project files.
225 option(LLVM_INCLUDE_TOOLS "Generate build targets for the LLVM tools." ON)
226 option(LLVM_BUILD_TOOLS
227 "Build the LLVM tools. If OFF, just generate build targets." ON)
229 option(LLVM_INCLUDE_RUNTIME "Generate build targets for the LLVM runtimes" ON)
230 option(LLVM_BUILD_RUNTIME
231 "Build the LLVM runtime libraries. If OFF, just generate build targets." ON)
233 option(LLVM_BUILD_EXAMPLES
234 "Build the LLVM example programs. If OFF, just generate build targets." OFF)
235 option(LLVM_INCLUDE_EXAMPLES "Generate build targets for the LLVM examples" ON)
237 option(LLVM_BUILD_TESTS
238 "Build LLVM unit tests. If OFF, just generate build targets." OFF)
239 option(LLVM_INCLUDE_TESTS "Generate build targets for the LLVM unit tests." ON)
241 # All options referred to from HandleLLVMOptions have to be specified
242 # BEFORE this include, otherwise options will not be correctly set on
245 include(HandleLLVMOptions)
247 # Verify that we can find a Python interpreter,
248 include(FindPythonInterp)
249 if( NOT PYTHONINTERP_FOUND )
251 "Unable to find Python interpreter, required for builds and testing.
253 Please install Python or specify the PYTHON_EXECUTABLE CMake variable.")
257 # LLVMBuild Integration
259 # We use llvm-build to generate all the data required by the CMake based
260 # build system in one swoop:
262 # - We generate a file (a CMake fragment) in the object root which contains
263 # all the definitions that are required by CMake.
265 # - We generate the library table used by llvm-config.
267 # - We generate the dependencies for the CMake fragment, so that we will
268 # automatically reconfigure outselves.
270 set(LLVMBUILDTOOL "${LLVM_MAIN_SRC_DIR}/utils/llvm-build/llvm-build")
271 set(LLVMCONFIGLIBRARYDEPENDENCIESINC
272 "${LLVM_BINARY_DIR}/tools/llvm-config/LibraryDependencies.inc")
273 set(LLVMBUILDCMAKEFRAG
274 "${LLVM_BINARY_DIR}/LLVMBuild.cmake")
276 # Create the list of optional components that are enabled
277 if (LLVM_USE_INTEL_JITEVENTS)
278 set(LLVMOPTIONALCOMPONENTS IntelJITEvents)
279 endif (LLVM_USE_INTEL_JITEVENTS)
280 if (LLVM_USE_OPROFILE)
281 set(LLVMOPTIONALCOMPONENTS ${LLVMOPTIONALCOMPONENTS} OProfileJIT)
282 endif (LLVM_USE_OPROFILE)
284 message(STATUS "Constructing LLVMBuild project information")
286 COMMAND ${PYTHON_EXECUTABLE} ${LLVMBUILDTOOL}
287 --native-target "${LLVM_NATIVE_ARCH}"
288 --enable-targets "${LLVM_TARGETS_TO_BUILD}"
289 --enable-optional-components "${LLVMOPTIONALCOMPONENTS}"
290 --write-library-table ${LLVMCONFIGLIBRARYDEPENDENCIESINC}
291 --write-cmake-fragment ${LLVMBUILDCMAKEFRAG}
292 ERROR_VARIABLE LLVMBUILDOUTPUT
293 ERROR_VARIABLE LLVMBUILDERRORS
294 OUTPUT_STRIP_TRAILING_WHITESPACE
295 ERROR_STRIP_TRAILING_WHITESPACE
296 RESULT_VARIABLE LLVMBUILDRESULT)
298 # On Win32, CMake doesn't properly handle piping the default output/error
299 # streams into the GUI console. So, we explicitly catch and report them.
300 if( NOT "${LLVMBUILDOUTPUT}" STREQUAL "")
301 message(STATUS "llvm-build output: ${LLVMBUILDOUTPUT}")
303 if( NOT "${LLVMBUILDRESULT}" STREQUAL "0" )
305 "Unexpected failure executing llvm-build: ${LLVMBUILDERRORS}")
308 # Include the generated CMake fragment. This will define properties from the
309 # LLVMBuild files in a format which is easy to consume from CMake, and will add
310 # the dependencies so that CMake will reconfigure properly when the LLVMBuild
312 include(${LLVMBUILDCMAKEFRAG})
316 # Configure all of the various header file fragments LLVM uses which depend on
317 # configuration variables.
318 set(LLVM_ENUM_ASM_PRINTERS "")
319 set(LLVM_ENUM_ASM_PARSERS "")
320 set(LLVM_ENUM_DISASSEMBLERS "")
321 foreach(t ${LLVM_TARGETS_TO_BUILD})
322 set( td ${LLVM_MAIN_SRC_DIR}/lib/Target/${t} )
323 file(GLOB asmp_file "${td}/*AsmPrinter.cpp")
325 set(LLVM_ENUM_ASM_PRINTERS
326 "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n")
328 if( EXISTS ${td}/AsmParser/CMakeLists.txt )
329 set(LLVM_ENUM_ASM_PARSERS
330 "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n")
332 if( EXISTS ${td}/Disassembler/CMakeLists.txt )
333 set(LLVM_ENUM_DISASSEMBLERS
334 "${LLVM_ENUM_DISASSEMBLERS}LLVM_DISASSEMBLER(${t})\n")
338 # Produce the target definition files, which provide a way for clients to easily
339 # include various classes of targets.
341 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in
342 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmPrinters.def
345 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in
346 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmParsers.def
349 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Disassemblers.def.in
350 ${LLVM_BINARY_DIR}/include/llvm/Config/Disassemblers.def
353 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in
354 ${LLVM_BINARY_DIR}/include/llvm/Config/Targets.def
357 # Configure the three LLVM configuration header files.
359 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/config.h.cmake
360 ${LLVM_BINARY_DIR}/include/llvm/Config/config.h)
362 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/llvm-config.h.cmake
363 ${LLVM_BINARY_DIR}/include/llvm/Config/llvm-config.h)
365 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Support/DataTypes.h.cmake
366 ${LLVM_BINARY_DIR}/include/llvm/Support/DataTypes.h)
368 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR} )
369 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
370 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
372 set(CMAKE_INCLUDE_CURRENT_DIR ON)
374 include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR})
376 if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
377 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -include llvm/Support/Solaris.h")
378 endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
384 # People report that -O3 is unreliable on MinGW. The traditional
385 # build also uses -O2 for that reason:
386 llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2")
389 # Put this before tblgen. Else we have a circular dependence.
390 add_subdirectory(lib/Support)
391 add_subdirectory(lib/TableGen)
393 add_subdirectory(utils/TableGen)
395 add_subdirectory(include/llvm)
397 add_subdirectory(lib)
399 add_subdirectory(utils/FileCheck)
400 add_subdirectory(utils/FileUpdate)
401 add_subdirectory(utils/count)
402 add_subdirectory(utils/not)
403 add_subdirectory(utils/llvm-lit)
404 add_subdirectory(utils/yaml-bench)
406 add_subdirectory(projects)
408 if( LLVM_INCLUDE_TOOLS )
409 add_subdirectory(tools)
412 if( LLVM_INCLUDE_RUNTIME )
413 add_subdirectory(runtime)
416 if( LLVM_INCLUDE_EXAMPLES )
417 add_subdirectory(examples)
420 if( LLVM_INCLUDE_TESTS )
421 add_subdirectory(test)
422 add_subdirectory(utils/unittest)
423 add_subdirectory(unittests)
425 # This utility is used to prevent chrashing tests from calling Dr. Watson on
427 add_subdirectory(utils/KillTheDoctor)
431 add_subdirectory(cmake/modules)
433 install(DIRECTORY include/
440 PATTERN "LICENSE.TXT"
441 PATTERN ".svn" EXCLUDE
444 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/
451 # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
452 PATTERN "CMakeFiles" EXCLUDE
453 PATTERN ".svn" EXCLUDE
456 # TODO: make and install documentation.
458 set(CPACK_PACKAGE_VENDOR "LLVM")
459 set(CPACK_PACKAGE_VERSION_MAJOR ${LLVM_VERSION_MAJOR})
460 set(CPACK_PACKAGE_VERSION_MINOR ${LLVM_VERSION_MINOR})
461 add_version_info_from_vcs(CPACK_PACKAGE_VERSION_PATCH)
464 # Workaround for MSVS10 to avoid the Dialog Hell
465 # FIXME: This could be removed with future version of CMake.
466 if(MSVC_VERSION EQUAL 1600)
467 set(LLVM_SLN_FILENAME "${CMAKE_CURRENT_BINARY_DIR}/LLVM.sln")
468 if( EXISTS "${LLVM_SLN_FILENAME}" )
469 file(APPEND "${LLVM_SLN_FILENAME}" "\n# This should be regenerated!\n")