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/")
39 set(CPACK_PACKAGE_VENDOR "LLVM")
40 set(CPACK_PACKAGE_VERSION_MAJOR ${LLVM_VERSION_MAJOR})
41 set(CPACK_PACKAGE_VERSION_MINOR ${LLVM_VERSION_MINOR})
42 if( LLVM_APPEND_VC_REV )
43 add_version_info_from_vcs(CPACK_PACKAGE_VERSION_PATCH)
45 set(CPACK_PACKAGE_VERSION_PATCH "svn")
47 set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE.TXT")
48 if(WIN32 AND NOT UNIX)
49 set(CPACK_PACKAGE_ICON "${CMAKE_CURRENT_SOURCE_DIR}\\\\cmake\\\\nsis_logo.bmp")
50 set(CPACK_NSIS_MODIFY_PATH "ON")
51 set(CPACK_NSIS_ENABLE_UNINSTALL_BEFORE_INSTALL "ON")
52 set(CPACK_NSIS_EXTRA_INSTALL_COMMANDS
53 "ExecWait '$INSTDIR/tools/msbuild/install.bat'")
54 set(CPACK_NSIS_EXTRA_UNINSTALL_COMMANDS
55 "ExecWait '$INSTDIR/tools/msbuild/uninstall.bat'")
59 # Sanity check our source directory to make sure that we are not trying to
60 # generate an in-tree build (unless on MSVC_IDE, where it is ok), and to make
61 # sure that we don't have any stray generated files lying around in the tree
62 # (which would end up getting picked up by header search, instead of the correct
64 if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE )
65 message(FATAL_ERROR "In-source builds are not allowed.
66 CMake would overwrite the makefiles distributed with LLVM.
67 Please create a directory and run cmake from there, passing the path
68 to this source directory as the last argument.
69 This process created the file `CMakeCache.txt' and the directory `CMakeFiles'.
72 if( NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR )
74 tablegenned_files_on_include_dir
75 "${CMAKE_CURRENT_SOURCE_DIR}/include/llvm/*.gen")
77 tablegenned_files_on_lib_dir
78 "${CMAKE_CURRENT_SOURCE_DIR}/lib/Target/*.inc")
79 if( tablegenned_files_on_include_dir OR tablegenned_files_on_lib_dir)
80 message(FATAL_ERROR "Apparently there is a previous in-source build,
81 probably as the result of running `configure' and `make' on
82 ${CMAKE_CURRENT_SOURCE_DIR}.
83 This may cause problems. The suspicious files are:
84 ${tablegenned_files_on_lib_dir}
85 ${tablegenned_files_on_include_dir}
86 Please clean the source directory.")
90 string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE)
92 set(LLVM_MAIN_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR})
93 set(LLVM_MAIN_INCLUDE_DIR ${LLVM_MAIN_SRC_DIR}/include)
94 set(LLVM_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
95 set(LLVM_TOOLS_BINARY_DIR ${LLVM_BINARY_DIR}/bin)
96 set(LLVM_EXAMPLES_BINARY_DIR ${LLVM_BINARY_DIR}/examples)
97 set(LLVM_LIBDIR_SUFFIX "" CACHE STRING "Define suffix of library directory name (32/64)" )
115 # List of targets with JIT support:
116 set(LLVM_TARGETS_WITH_JIT X86 PowerPC AArch64 ARM Mips SystemZ)
118 set(LLVM_TARGETS_TO_BUILD "all"
119 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
121 set(LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ""
122 CACHE STRING "Semicolon-separated list of experimental targets to build.")
124 option(BUILD_SHARED_LIBS
125 "Build all libraries as shared libraries instead of static" OFF)
127 option(LLVM_ENABLE_CBE_PRINTF_A "Set to ON if CBE is enabled for printf %a output" ON)
128 if(LLVM_ENABLE_CBE_PRINTF_A)
129 set(ENABLE_CBE_PRINTF_A 1)
132 option(LLVM_ENABLE_TIMESTAMPS "Enable embedding timestamp information in build" ON)
133 if(LLVM_ENABLE_TIMESTAMPS)
134 set(ENABLE_TIMESTAMPS 1)
137 option(LLVM_ENABLE_BACKTRACES "Enable embedding backtraces on crash." ON)
138 if(LLVM_ENABLE_BACKTRACES)
139 set(ENABLE_BACKTRACES 1)
142 option(LLVM_ENABLE_FFI "Use libffi to call external functions from the interpreter" OFF)
143 set(FFI_LIBRARY_DIR "" CACHE PATH "Additional directory, where CMake should search for libffi.so")
144 set(FFI_INCLUDE_DIR "" CACHE PATH "Additional directory, where CMake should search for ffi.h or ffi/ffi.h")
146 set(LLVM_TARGET_ARCH "host"
147 CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.")
149 option(LLVM_ENABLE_TERMINFO "Use terminfo database if available." ON)
151 option(LLVM_ENABLE_THREADS "Use threads if available." ON)
153 option(LLVM_ENABLE_ZLIB "Use zlib for compression/decompression if available." ON)
155 if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
156 set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
159 set(LLVM_TARGETS_TO_BUILD
160 ${LLVM_TARGETS_TO_BUILD}
161 ${LLVM_EXPERIMENTAL_TARGETS_TO_BUILD})
162 list(REMOVE_DUPLICATES LLVM_TARGETS_TO_BUILD)
164 set(llvm_builded_incs_dir ${LLVM_BINARY_DIR}/include/llvm)
166 include(AddLLVMDefinitions)
168 option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON)
170 # MSVC has a gazillion warnings with this.
172 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." OFF)
174 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON)
177 option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
178 option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
180 if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG" )
181 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
183 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
186 option(LLVM_USE_INTEL_JITEVENTS
187 "Use Intel JIT API to inform Intel(R) VTune(TM) Amplifier XE 2011 about JIT code"
190 if( LLVM_USE_INTEL_JITEVENTS )
191 # Verify we are on a supported platform
192 if( NOT CMAKE_SYSTEM_NAME MATCHES "Windows" AND NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
194 "Intel JIT API support is available on Linux and Windows only.")
196 endif( LLVM_USE_INTEL_JITEVENTS )
198 option(LLVM_USE_OPROFILE
199 "Use opagent JIT interface to inform OProfile about JIT code" OFF)
201 # If enabled, verify we are on a platform that supports oprofile.
202 if( LLVM_USE_OPROFILE )
203 if( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
204 message(FATAL_ERROR "OProfile support is available on Linux only.")
205 endif( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
206 endif( LLVM_USE_OPROFILE )
208 set(LLVM_USE_SANITIZER "" CACHE STRING
209 "Define the sanitizer used to build binaries and tests.")
211 option(LLVM_USE_SPLIT_DWARF
212 "Use -gsplit-dwarf when compiling llvm." OFF)
214 # Define an option controlling whether we should build for 32-bit on 64-bit
215 # platforms, where supported.
216 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
217 # TODO: support other platforms and toolchains.
218 option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
221 # Define the default arguments to use with 'lit', and an option for the user to
223 set(LIT_ARGS_DEFAULT "-sv")
225 set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
227 set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit")
229 # On Win32 hosts, provide an option to specify the path to the GnuWin32 tools.
230 if( WIN32 AND NOT CYGWIN )
231 set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools")
234 # Define options to control the inclusion and default build behavior for
235 # components which may not strictly be necessary (tools, runtime, examples, and
238 # This is primarily to support building smaller or faster project files.
239 option(LLVM_INCLUDE_TOOLS "Generate build targets for the LLVM tools." ON)
240 option(LLVM_BUILD_TOOLS
241 "Build the LLVM tools. If OFF, just generate build targets." ON)
243 option(LLVM_INCLUDE_RUNTIME "Generate build targets for the LLVM runtimes" ON)
244 option(LLVM_BUILD_RUNTIME
245 "Build the LLVM runtime libraries. If OFF, just generate build targets." ON)
247 option(LLVM_BUILD_EXAMPLES
248 "Build the LLVM example programs. If OFF, just generate build targets." OFF)
249 option(LLVM_INCLUDE_EXAMPLES "Generate build targets for the LLVM examples" ON)
251 option(LLVM_BUILD_TESTS
252 "Build LLVM unit tests. If OFF, just generate build targets." OFF)
253 option(LLVM_INCLUDE_TESTS "Generate build targets for the LLVM unit tests." ON)
255 option (LLVM_BUILD_DOCS "Build the llvm documentation." OFF)
256 option (LLVM_INCLUDE_DOCS "Generate build targets for llvm documentation." ON)
257 option (LLVM_ENABLE_DOXYGEN "Use doxygen to generate llvm documentation." OFF)
259 # All options referred to from HandleLLVMOptions have to be specified
260 # BEFORE this include, otherwise options will not be correctly set on
264 # By default, we target the host, but this can be overridden at CMake
266 set(LLVM_DEFAULT_TARGET_TRIPLE "${LLVM_HOST_TRIPLE}" CACHE STRING
267 "Default target for which LLVM will generate code." )
268 set(TARGET_TRIPLE "${LLVM_DEFAULT_TARGET_TRIPLE}")
270 include(HandleLLVMOptions)
272 # Verify that we can find a Python 2 interpreter. Python 3 is unsupported.
273 set(Python_ADDITIONAL_VERSIONS 2.7 2.6 2.5 2.4)
274 include(FindPythonInterp)
275 if( NOT PYTHONINTERP_FOUND )
277 "Unable to find Python interpreter, required for builds and testing.
279 Please install Python or specify the PYTHON_EXECUTABLE CMake variable.")
283 # LLVMBuild Integration
285 # We use llvm-build to generate all the data required by the CMake based
286 # build system in one swoop:
288 # - We generate a file (a CMake fragment) in the object root which contains
289 # all the definitions that are required by CMake.
291 # - We generate the library table used by llvm-config.
293 # - We generate the dependencies for the CMake fragment, so that we will
294 # automatically reconfigure outselves.
296 set(LLVMBUILDTOOL "${LLVM_MAIN_SRC_DIR}/utils/llvm-build/llvm-build")
297 set(LLVMCONFIGLIBRARYDEPENDENCIESINC
298 "${LLVM_BINARY_DIR}/tools/llvm-config/LibraryDependencies.inc")
299 set(LLVMBUILDCMAKEFRAG
300 "${LLVM_BINARY_DIR}/LLVMBuild.cmake")
302 # Create the list of optional components that are enabled
303 if (LLVM_USE_INTEL_JITEVENTS)
304 set(LLVMOPTIONALCOMPONENTS IntelJITEvents)
305 endif (LLVM_USE_INTEL_JITEVENTS)
306 if (LLVM_USE_OPROFILE)
307 set(LLVMOPTIONALCOMPONENTS ${LLVMOPTIONALCOMPONENTS} OProfileJIT)
308 endif (LLVM_USE_OPROFILE)
310 message(STATUS "Constructing LLVMBuild project information")
312 COMMAND ${PYTHON_EXECUTABLE} ${LLVMBUILDTOOL}
313 --native-target "${LLVM_NATIVE_ARCH}"
314 --enable-targets "${LLVM_TARGETS_TO_BUILD}"
315 --enable-optional-components "${LLVMOPTIONALCOMPONENTS}"
316 --write-library-table ${LLVMCONFIGLIBRARYDEPENDENCIESINC}
317 --write-cmake-fragment ${LLVMBUILDCMAKEFRAG}
318 OUTPUT_VARIABLE LLVMBUILDOUTPUT
319 ERROR_VARIABLE LLVMBUILDERRORS
320 OUTPUT_STRIP_TRAILING_WHITESPACE
321 ERROR_STRIP_TRAILING_WHITESPACE
322 RESULT_VARIABLE LLVMBUILDRESULT)
324 # On Win32, CMake doesn't properly handle piping the default output/error
325 # streams into the GUI console. So, we explicitly catch and report them.
326 if( NOT "${LLVMBUILDOUTPUT}" STREQUAL "")
327 message(STATUS "llvm-build output: ${LLVMBUILDOUTPUT}")
329 if( NOT "${LLVMBUILDRESULT}" STREQUAL "0" )
331 "Unexpected failure executing llvm-build: ${LLVMBUILDERRORS}")
334 # Include the generated CMake fragment. This will define properties from the
335 # LLVMBuild files in a format which is easy to consume from CMake, and will add
336 # the dependencies so that CMake will reconfigure properly when the LLVMBuild
338 include(${LLVMBUILDCMAKEFRAG})
342 # Configure all of the various header file fragments LLVM uses which depend on
343 # configuration variables.
344 set(LLVM_ENUM_TARGETS "")
345 set(LLVM_ENUM_ASM_PRINTERS "")
346 set(LLVM_ENUM_ASM_PARSERS "")
347 set(LLVM_ENUM_DISASSEMBLERS "")
348 foreach(t ${LLVM_TARGETS_TO_BUILD})
349 set( td ${LLVM_MAIN_SRC_DIR}/lib/Target/${t} )
351 list(FIND LLVM_ALL_TARGETS ${t} idx)
352 list(FIND LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ${t} idy)
353 if( idx LESS 0 AND idy LESS 0 )
354 message(FATAL_ERROR "The target `${t}' does not exist.
355 It should be one of\n${LLVM_ALL_TARGETS}")
357 set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${t})\n")
360 file(GLOB asmp_file "${td}/*AsmPrinter.cpp")
362 set(LLVM_ENUM_ASM_PRINTERS
363 "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n")
365 if( EXISTS ${td}/AsmParser/CMakeLists.txt )
366 set(LLVM_ENUM_ASM_PARSERS
367 "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n")
369 if( EXISTS ${td}/Disassembler/CMakeLists.txt )
370 set(LLVM_ENUM_DISASSEMBLERS
371 "${LLVM_ENUM_DISASSEMBLERS}LLVM_DISASSEMBLER(${t})\n")
375 # Produce the target definition files, which provide a way for clients to easily
376 # include various classes of targets.
378 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in
379 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmPrinters.def
382 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in
383 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmParsers.def
386 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Disassemblers.def.in
387 ${LLVM_BINARY_DIR}/include/llvm/Config/Disassemblers.def
390 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in
391 ${LLVM_BINARY_DIR}/include/llvm/Config/Targets.def
394 # Configure the three LLVM configuration header files.
396 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/config.h.cmake
397 ${LLVM_BINARY_DIR}/include/llvm/Config/config.h)
399 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/llvm-config.h.cmake
400 ${LLVM_BINARY_DIR}/include/llvm/Config/llvm-config.h)
402 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Support/DataTypes.h.cmake
403 ${LLVM_BINARY_DIR}/include/llvm/Support/DataTypes.h)
405 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR} )
406 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
407 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
409 set(CMAKE_INCLUDE_CURRENT_DIR ON)
411 include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR})
413 if( ${CMAKE_SYSTEM_NAME} MATCHES FreeBSD )
414 # On FreeBSD, /usr/local/* is not used by default. In order to build LLVM
415 # with libxml2, iconv.h, etc., we must add /usr/local paths.
416 include_directories("/usr/local/include")
417 link_directories("/usr/local/lib")
418 endif( ${CMAKE_SYSTEM_NAME} MATCHES FreeBSD )
420 if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
421 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -include llvm/Support/Solaris.h")
422 endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
424 # Make sure we don't get -rdynamic in every binary. For those that need it,
425 # use set_target_properties(target PROPERTIES ENABLE_EXPORTS 1)
426 set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "")
432 # People report that -O3 is unreliable on MinGW. The traditional
433 # build also uses -O2 for that reason:
434 llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2")
437 # Put this before tblgen. Else we have a circular dependence.
438 add_subdirectory(lib/Support)
439 add_subdirectory(lib/TableGen)
441 add_subdirectory(utils/TableGen)
443 add_subdirectory(include/llvm)
445 add_subdirectory(lib)
447 add_subdirectory(utils/FileCheck)
448 add_subdirectory(utils/FileUpdate)
449 add_subdirectory(utils/count)
450 add_subdirectory(utils/not)
451 add_subdirectory(utils/llvm-lit)
452 add_subdirectory(utils/yaml-bench)
454 add_subdirectory(projects)
456 if( LLVM_INCLUDE_TOOLS )
457 add_subdirectory(tools)
460 if( LLVM_INCLUDE_RUNTIME )
461 add_subdirectory(runtime)
464 if( LLVM_INCLUDE_EXAMPLES )
465 add_subdirectory(examples)
468 if( LLVM_INCLUDE_TESTS )
469 add_subdirectory(test)
470 add_subdirectory(utils/unittest)
471 add_subdirectory(unittests)
473 # This utility is used to prevent crashing tests from calling Dr. Watson on
475 add_subdirectory(utils/KillTheDoctor)
478 # Add a global check rule now that all subdirectories have been traversed
479 # and we know the total set of lit testsuites.
480 get_property(LLVM_LIT_TESTSUITES GLOBAL PROPERTY LLVM_LIT_TESTSUITES)
481 get_property(LLVM_LIT_PARAMS GLOBAL PROPERTY LLVM_LIT_PARAMS)
482 get_property(LLVM_LIT_DEPENDS GLOBAL PROPERTY LLVM_LIT_DEPENDS)
483 get_property(LLVM_LIT_EXTRA_ARGS GLOBAL PROPERTY LLVM_LIT_EXTRA_ARGS)
484 add_lit_target(check-all
485 "Running all regression tests"
486 ${LLVM_LIT_TESTSUITES}
487 PARAMS ${LLVM_LIT_PARAMS}
488 DEPENDS ${LLVM_LIT_DEPENDS}
489 ARGS ${LLVM_LIT_EXTRA_ARGS}
493 if (LLVM_INCLUDE_DOCS)
494 add_subdirectory(docs)
497 add_subdirectory(cmake/modules)
499 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
500 install(DIRECTORY include/
507 PATTERN "LICENSE.TXT"
508 PATTERN ".svn" EXCLUDE
511 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/
518 # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
519 PATTERN "CMakeFiles" EXCLUDE
520 PATTERN ".svn" EXCLUDE
524 # Workaround for MSVS10 to avoid the Dialog Hell
525 # FIXME: This could be removed with future version of CMake.
526 if(MSVC_VERSION EQUAL 1600)
527 set(LLVM_SLN_FILENAME "${CMAKE_CURRENT_BINARY_DIR}/LLVM.sln")
528 if( EXISTS "${LLVM_SLN_FILENAME}" )
529 file(APPEND "${LLVM_SLN_FILENAME}" "\n# This should be regenerated!\n")