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(PACKAGE_VERSION "2.9")
15 include(VersionFromVCS)
17 option(LLVM_APPEND_VC_REV
18 "Append the version control system revision id to LLVM version" OFF)
20 if( LLVM_APPEND_VC_REV )
21 add_version_info_from_vcs(PACKAGE_VERSION)
24 set(PACKAGE_NAME llvm)
25 set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
26 set(PACKAGE_BUGREPORT "llvmbugs@cs.uiuc.edu")
28 if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE )
29 message(FATAL_ERROR "In-source builds are not allowed.
30 CMake would overwrite the makefiles distributed with LLVM.
31 Please create a directory and run cmake from there, passing the path
32 to this source directory as the last argument.
33 This process created the file `CMakeCache.txt' and the directory `CMakeFiles'.
37 # Run-time build mode; It is used for unittests.
39 # Expect "$(Configuration)", "$(OutDir)", etc.
40 # It is expanded by msbuild or similar.
41 set(RUNTIME_BUILD_MODE "${CMAKE_CFG_INTDIR}")
42 elseif(NOT CMAKE_BUILD_TYPE STREQUAL "")
43 # Expect "Release" "Debug", etc.
44 # Or unittests could not run.
45 set(RUNTIME_BUILD_MODE ${CMAKE_BUILD_TYPE})
48 set(RUNTIME_BUILD_MODE "${CMAKE_CFG_INTDIR}")
51 string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE)
53 set(LLVM_MAIN_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR})
54 set(LLVM_MAIN_INCLUDE_DIR ${LLVM_MAIN_SRC_DIR}/include)
55 set(LLVM_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
56 set(LLVM_TOOLS_BINARY_DIR ${LLVM_BINARY_DIR}/bin)
57 set(LLVM_EXAMPLES_BINARY_DIR ${LLVM_BINARY_DIR}/examples)
58 set(LLVM_LIBDIR_SUFFIX "" CACHE STRING "Define suffix of library directory name (32/64)" )
60 if( NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR )
62 tablegenned_files_on_include_dir
63 "${LLVM_MAIN_SRC_DIR}/include/llvm/*.gen")
65 tablegenned_files_on_lib_dir
66 "${LLVM_MAIN_SRC_DIR}/lib/Target/*.inc")
67 if( tablegenned_files_on_include_dir OR tablegenned_files_on_lib_dir)
68 message(FATAL_ERROR "Apparently there is a previous in-source build,
69 probably as the result of running `configure' and `make' on
71 This may cause problems. The suspicious files are:
72 ${tablegenned_files_on_lib_dir}
73 ${tablegenned_files_on_include_dir}
74 Please clean the source directory.")
97 set(LLVM_TARGETS_TO_BUILD X86
98 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
100 set(LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS}
101 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
104 set(CLANG_RESOURCE_DIR "" CACHE STRING
105 "Relative directory from the Clang binary to its resource files.")
107 option(LLVM_ENABLE_CBE_PRINTF_A "Set to ON if CBE is enabled for printf %a output" ON)
108 if(LLVM_ENABLE_CBE_PRINTF_A)
109 set(ENABLE_CBE_PRINTF_A 1)
112 option(LLVM_ENABLE_TIMESTAMPS "Enable embedding timestamp information in build" ON)
113 if(LLVM_ENABLE_TIMESTAMPS)
114 set(ENABLE_TIMESTAMPS 1)
117 set(C_INCLUDE_DIRS "" CACHE STRING
118 "Colon separated list of directories clang will search for headers.")
120 set(LLVM_TARGET_ARCH "host"
121 CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.")
123 set(LIT_ARGS_DEFAULT "-sv")
125 set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
127 set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}"
128 CACHE STRING "Default options for lit")
130 option(LLVM_ENABLE_THREADS "Use threads if available." ON)
132 if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
133 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
135 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
138 if( LLVM_ENABLE_ASSERTIONS )
139 # MSVC doesn't like _DEBUG on release builds. See PR 4379.
141 add_definitions( -D_DEBUG )
143 # On Release builds cmake automatically defines NDEBUG, so we
144 # explicitly undefine it:
145 if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
146 add_definitions( -UNDEBUG )
149 if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
150 add_definitions( -DNDEBUG )
154 if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
155 set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
158 set(LLVM_ENUM_TARGETS "")
159 foreach(c ${LLVM_TARGETS_TO_BUILD})
160 list(FIND LLVM_ALL_TARGETS ${c} idx)
162 message(FATAL_ERROR "The target `${c}' does not exist.
163 It should be one of\n${LLVM_ALL_TARGETS}")
165 set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${c})\n")
169 # Produce llvm/Config/Targets.def
171 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in
172 ${LLVM_BINARY_DIR}/include/llvm/Config/Targets.def
175 set(llvm_builded_incs_dir ${LLVM_BINARY_DIR}/include/llvm)
177 include(AddLLVMDefinitions)
187 set(LTDL_SHLIB_EXT ".dll")
189 # Maximum path length is 160 for non-unicode paths
196 set(LTDL_SHLIB_EXT ".dylib")
198 set(LTDL_SHLIB_EXT ".so")
201 # FIXME: Maximum path length is currently set to 'safe' fixed value
204 MESSAGE(SEND_ERROR "Unable to determine platform")
208 option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON)
210 if( LLVM_ENABLE_PIC )
212 # Xcode has -mdynamic-no-pic on by default, which overrides -fPIC. I don't
213 # know how to disable this, so just force ENABLE_PIC off for now.
214 message(WARNING "-fPIC not supported with Xcode.")
216 # On Windows all code is PIC. MinGW warns if -fPIC is used.
218 include(CheckCXXCompilerFlag)
219 check_cxx_compiler_flag("-fPIC" SUPPORTS_FPIC_FLAG)
220 if( SUPPORTS_FPIC_FLAG )
221 message(STATUS "Building with -fPIC")
222 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC")
223 set(CMAKE_C_FLAGS "${CMAKE_CXX_FLAGS} -fPIC")
224 else( SUPPORTS_FPIC_FLAG )
225 message(WARNING "-fPIC not supported.")
232 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR} )
233 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
234 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
236 # set(CMAKE_VERBOSE_MAKEFILE true)
238 add_llvm_definitions( -D__STDC_LIMIT_MACROS )
239 add_llvm_definitions( -D__STDC_CONSTANT_MACROS )
241 # MSVC has a gazillion warnings with this.
243 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." OFF)
245 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON)
248 option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
249 option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
251 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
252 # TODO: support other platforms and toolchains.
253 option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
254 if( LLVM_BUILD_32_BITS )
255 message(STATUS "Building 32 bits executables and libraries.")
256 add_llvm_definitions( -m32 )
257 list(APPEND CMAKE_EXE_LINKER_FLAGS -m32)
258 list(APPEND CMAKE_SHARED_LINKER_FLAGS -m32)
259 endif( LLVM_BUILD_32_BITS )
260 endif( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
263 include(ChooseMSVCCRT)
265 # Add definitions that make MSVC much less annoying.
266 add_llvm_definitions(
267 # For some reason MS wants to deprecate a bunch of standard functions...
268 -D_CRT_SECURE_NO_DEPRECATE
269 -D_CRT_SECURE_NO_WARNINGS
270 -D_CRT_NONSTDC_NO_DEPRECATE
271 -D_CRT_NONSTDC_NO_WARNINGS
272 -D_SCL_SECURE_NO_DEPRECATE
273 -D_SCL_SECURE_NO_WARNINGS
275 -wd4146 # Suppress 'unary minus operator applied to unsigned type, result still unsigned'
276 -wd4180 # Suppress 'qualifier applied to function type has no meaning; ignored'
277 -wd4224 # Suppress 'nonstandard extension used : formal parameter 'identifier' was previously defined as a type'
278 -wd4244 # Suppress ''argument' : conversion from 'type1' to 'type2', possible loss of data'
279 -wd4267 # Suppress ''var' : conversion from 'size_t' to 'type', possible loss of data'
280 -wd4275 # Suppress 'An exported class was derived from a class that was not exported.'
281 -wd4291 # Suppress ''declaration' : no matching operator delete found; memory will not be freed if initialization throws an exception'
282 -wd4345 # Suppress 'behavior change: an object of POD type constructed with an initializer of the form () will be default-initialized'
283 -wd4351 # Suppress 'new behavior: elements of array 'array' will be default initialized'
284 -wd4355 # Suppress ''this' : used in base member initializer list'
285 -wd4503 # Suppress ''identifier' : decorated name length exceeded, name was truncated'
286 -wd4624 # Suppress ''derived class' : destructor could not be generated because a base class destructor is inaccessible'
287 -wd4715 # Suppress ''function' : not all control paths return a value'
288 -wd4800 # Suppress ''type' : forcing value to bool 'true' or 'false' (performance warning)'
290 -w14062 # Promote "enumerator in switch of enum is not handled" to level 1 warning.
294 if (LLVM_ENABLE_WARNINGS)
295 add_llvm_definitions( /W4 /Wall )
296 if (LLVM_ENABLE_PEDANTIC)
297 # No MSVC equivalent available
298 endif (LLVM_ENABLE_PEDANTIC)
299 endif (LLVM_ENABLE_WARNINGS)
300 if (LLVM_ENABLE_WERROR)
301 add_llvm_definitions( /WX )
302 endif (LLVM_ENABLE_WERROR)
303 elseif( CMAKE_COMPILER_IS_GNUCXX )
304 if (LLVM_ENABLE_WARNINGS)
305 add_llvm_definitions( -Wall -W -Wno-unused-parameter -Wwrite-strings )
306 if (LLVM_ENABLE_PEDANTIC)
307 add_llvm_definitions( -pedantic -Wno-long-long )
308 endif (LLVM_ENABLE_PEDANTIC)
309 endif (LLVM_ENABLE_WARNINGS)
310 if (LLVM_ENABLE_WERROR)
311 add_llvm_definitions( -Werror )
312 endif (LLVM_ENABLE_WERROR)
315 include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR})
317 if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
318 SET(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} "-include llvm/Support/Solaris.h")
319 endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
325 get_system_libs(LLVM_SYSTEM_LIBS_LIST)
326 foreach(l ${LLVM_SYSTEM_LIBS_LIST})
327 set(LLVM_SYSTEM_LIBS "${LLVM_SYSTEM_LIBS} -l${l}")
329 set(CMAKE_CXX_STANDARD_LIBRARIES "${CMAKE_CXX_STANDARD_LIBRARIES}${LLVM_SYSTEM_LIBS}")
330 set(CMAKE_C_STANDARD_LIBRARIES "${CMAKE_C_STANDARD_LIBRARIES}${LLVM_SYSTEM_LIBS}")
334 # People report that -O3 is unreliable on MinGW. The traditional
335 # build also uses -O2 for that reason:
336 llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2")
339 add_subdirectory(lib/Support)
341 # Everything else depends on Support:
342 set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} ${LLVM_LIBS} )
344 set(LLVM_TABLEGEN "tblgen" CACHE
345 STRING "Native TableGen executable. Saves building one when cross-compiling.")
346 # Effective tblgen executable to be used:
347 set(LLVM_TABLEGEN_EXE ${LLVM_TABLEGEN})
349 add_subdirectory(utils/TableGen)
351 if( CMAKE_CROSSCOMPILING )
352 # This adds a dependency on target `tblgen', so must go after utils/TableGen
353 include( CrossCompileLLVM )
354 endif( CMAKE_CROSSCOMPILING )
356 add_subdirectory(include/llvm)
358 add_subdirectory(lib/VMCore)
359 add_subdirectory(lib/CodeGen)
360 add_subdirectory(lib/CodeGen/SelectionDAG)
361 add_subdirectory(lib/CodeGen/AsmPrinter)
362 add_subdirectory(lib/Bitcode/Reader)
363 add_subdirectory(lib/Bitcode/Writer)
364 add_subdirectory(lib/Transforms/Utils)
365 add_subdirectory(lib/Transforms/Instrumentation)
366 add_subdirectory(lib/Transforms/InstCombine)
367 add_subdirectory(lib/Transforms/Scalar)
368 add_subdirectory(lib/Transforms/IPO)
369 add_subdirectory(lib/Transforms/Hello)
370 add_subdirectory(lib/Linker)
371 add_subdirectory(lib/Analysis)
372 add_subdirectory(lib/Analysis/IPA)
373 add_subdirectory(lib/MC)
374 add_subdirectory(lib/MC/MCParser)
375 add_subdirectory(lib/MC/MCDisassembler)
376 add_subdirectory(lib/Object)
378 add_subdirectory(utils/FileCheck)
379 add_subdirectory(utils/FileUpdate)
380 add_subdirectory(utils/count)
381 add_subdirectory(utils/not)
382 add_subdirectory(utils/llvm-lit)
384 set(LLVM_ENUM_ASM_PRINTERS "")
385 set(LLVM_ENUM_ASM_PARSERS "")
386 set(LLVM_ENUM_DISASSEMBLERS "")
387 foreach(t ${LLVM_TARGETS_TO_BUILD})
388 message(STATUS "Targeting ${t}")
389 add_subdirectory(lib/Target/${t})
390 add_subdirectory(lib/Target/${t}/TargetInfo)
391 set( td ${LLVM_MAIN_SRC_DIR}/lib/Target/${t} )
392 file(GLOB asmp_file "${td}/*AsmPrinter.cpp")
394 set(LLVM_ENUM_ASM_PRINTERS
395 "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n")
397 if( EXISTS ${td}/InstPrinter/CMakeLists.txt )
398 add_subdirectory(lib/Target/${t}/InstPrinter)
400 if( EXISTS ${td}/AsmParser/CMakeLists.txt )
401 add_subdirectory(lib/Target/${t}/AsmParser)
402 set(LLVM_ENUM_ASM_PARSERS
403 "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n")
405 if( EXISTS ${td}/Disassembler/CMakeLists.txt )
406 add_subdirectory(lib/Target/${t}/Disassembler)
407 set(LLVM_ENUM_DISASSEMBLERS
408 "${LLVM_ENUM_DISASSEMBLERS}LLVM_DISASSEMBLER(${t})\n")
410 set(CURRENT_LLVM_TARGET)
413 # Produce llvm/Config/AsmPrinters.def
415 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in
416 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmPrinters.def
419 # Produce llvm/Config/AsmParsers.def
421 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in
422 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmParsers.def
425 # Produce llvm/Config/Disassemblers.def
427 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Disassemblers.def.in
428 ${LLVM_BINARY_DIR}/include/llvm/Config/Disassemblers.def
431 add_subdirectory(lib/ExecutionEngine)
432 add_subdirectory(lib/ExecutionEngine/Interpreter)
433 add_subdirectory(lib/ExecutionEngine/JIT)
434 add_subdirectory(lib/ExecutionEngine/MCJIT)
435 add_subdirectory(lib/Target)
436 add_subdirectory(lib/AsmParser)
437 add_subdirectory(lib/Archive)
439 add_subdirectory(projects)
441 option(LLVM_BUILD_TOOLS
442 "Build the LLVM tools. If OFF, just generate build targets." ON)
443 option(LLVM_INCLUDE_TOOLS "Generate build targets for the LLVM tools." ON)
444 if( LLVM_INCLUDE_TOOLS )
445 add_subdirectory(tools)
448 option(LLVM_BUILD_EXAMPLES
449 "Build the LLVM example programs. If OFF, just generate build targets." OFF)
450 option(LLVM_INCLUDE_EXAMPLES "Generate build targets for the LLVM examples" ON)
451 if( LLVM_INCLUDE_EXAMPLES )
452 add_subdirectory(examples)
455 option(LLVM_BUILD_TESTS
456 "Build LLVM unit tests. If OFF, just generate build targes." OFF)
457 option(LLVM_INCLUDE_TESTS "Generate build targets for the LLVM unit tests." ON)
458 if( LLVM_INCLUDE_TESTS )
459 add_subdirectory(test)
460 add_subdirectory(utils/unittest)
461 add_subdirectory(unittests)
463 # This utility is used to prevent chrashing tests from calling Dr. Watson on
465 add_subdirectory(utils/KillTheDoctor)
469 add_subdirectory(cmake/modules)
471 install(DIRECTORY include/
478 PATTERN ".svn" EXCLUDE
481 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/
488 # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
489 PATTERN "CMakeFiles" EXCLUDE
490 PATTERN ".svn" EXCLUDE
493 # TODO: make and install documentation.
495 set(CPACK_PACKAGE_VENDOR "LLVM")
496 set(CPACK_PACKAGE_VERSION_MAJOR 2)
497 set(CPACK_PACKAGE_VERSION_MINOR 9)
498 add_version_info_from_vcs(CPACK_PACKAGE_VERSION_PATCH)
501 # Workaround for MSVS10 to avoid the Dialog Hell
502 # FIXME: This could be removed with future version of CMake.
503 if(MSVC_VERSION EQUAL 1600)
504 set(LLVM_SLN_FILENAME "${CMAKE_CURRENT_BINARY_DIR}/LLVM.sln")
505 if( EXISTS "${LLVM_SLN_FILENAME}" )
506 file(APPEND "${LLVM_SLN_FILENAME}" "\n# This should be regenerated!\n")