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 ${LLVM_ALL_TARGETS}
101 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
104 set(CLANG_RESOURCE_DIR "" CACHE STRING
105 "Relative directory from the Clang binary to its resource files.")
107 option(LLVM_ENABLE_CBE_PRINTF_A "Set to ON if CBE is enabled for printf %a output" ON)
108 if(LLVM_ENABLE_CBE_PRINTF_A)
109 set(ENABLE_CBE_PRINTF_A 1)
112 option(LLVM_ENABLE_TIMESTAMPS "Enable embedding timestamp information in build" ON)
113 if(LLVM_ENABLE_TIMESTAMPS)
114 set(ENABLE_TIMESTAMPS 1)
117 option(LLVM_ENABLE_FFI "Use libffi to call external functions from the interpreter" OFF)
118 set(FFI_LIBRARY_DIR "" CACHE PATH "Additional directory, where CMake should search for libffi.so")
119 set(FFI_INCLUDE_DIR "" CACHE PATH "Additional directory, where CMake should search for ffi.h or ffi/ffi.h")
121 set(C_INCLUDE_DIRS "" CACHE STRING
122 "Colon separated list of directories clang will search for headers.")
124 set(LLVM_TARGET_ARCH "host"
125 CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.")
127 set(LIT_ARGS_DEFAULT "-sv")
129 set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
131 set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}"
132 CACHE STRING "Default options for lit")
134 option(LLVM_ENABLE_THREADS "Use threads if available." ON)
136 if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
137 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
139 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
142 if( LLVM_ENABLE_ASSERTIONS )
143 # MSVC doesn't like _DEBUG on release builds. See PR 4379.
145 add_definitions( -D_DEBUG )
147 # On Release builds cmake automatically defines NDEBUG, so we
148 # explicitly undefine it:
149 if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
150 add_definitions( -UNDEBUG )
153 if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
154 add_definitions( -DNDEBUG )
158 if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
159 set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
162 set(LLVM_ENUM_TARGETS "")
163 foreach(c ${LLVM_TARGETS_TO_BUILD})
164 list(FIND LLVM_ALL_TARGETS ${c} idx)
166 message(FATAL_ERROR "The target `${c}' does not exist.
167 It should be one of\n${LLVM_ALL_TARGETS}")
169 set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${c})\n")
173 # Produce llvm/Config/Targets.def
175 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in
176 ${LLVM_BINARY_DIR}/include/llvm/Config/Targets.def
179 set(llvm_builded_incs_dir ${LLVM_BINARY_DIR}/include/llvm)
181 include(AddLLVMDefinitions)
191 set(LTDL_SHLIB_EXT ".dll")
193 # Maximum path length is 160 for non-unicode paths
200 set(LTDL_SHLIB_EXT ".dylib")
202 set(LTDL_SHLIB_EXT ".so")
205 # FIXME: Maximum path length is currently set to 'safe' fixed value
208 MESSAGE(SEND_ERROR "Unable to determine platform")
212 option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON)
214 if( LLVM_ENABLE_PIC )
216 # Xcode has -mdynamic-no-pic on by default, which overrides -fPIC. I don't
217 # know how to disable this, so just force ENABLE_PIC off for now.
218 message(WARNING "-fPIC not supported with Xcode.")
220 # On Windows all code is PIC. MinGW warns if -fPIC is used.
222 include(CheckCXXCompilerFlag)
223 check_cxx_compiler_flag("-fPIC" SUPPORTS_FPIC_FLAG)
224 if( SUPPORTS_FPIC_FLAG )
225 message(STATUS "Building with -fPIC")
226 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC")
227 set(CMAKE_C_FLAGS "${CMAKE_CXX_FLAGS} -fPIC")
228 else( SUPPORTS_FPIC_FLAG )
229 message(WARNING "-fPIC not supported.")
236 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR} )
237 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
238 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
240 # set(CMAKE_VERBOSE_MAKEFILE true)
242 add_llvm_definitions( -D__STDC_LIMIT_MACROS )
243 add_llvm_definitions( -D__STDC_CONSTANT_MACROS )
245 # MSVC has a gazillion warnings with this.
247 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." OFF)
249 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON)
252 option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
253 option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
255 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
256 # TODO: support other platforms and toolchains.
257 option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
258 if( LLVM_BUILD_32_BITS )
259 message(STATUS "Building 32 bits executables and libraries.")
260 add_llvm_definitions( -m32 )
261 list(APPEND CMAKE_EXE_LINKER_FLAGS -m32)
262 list(APPEND CMAKE_SHARED_LINKER_FLAGS -m32)
263 endif( LLVM_BUILD_32_BITS )
264 endif( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
267 include(ChooseMSVCCRT)
269 # Add definitions that make MSVC much less annoying.
270 add_llvm_definitions(
271 # For some reason MS wants to deprecate a bunch of standard functions...
272 -D_CRT_SECURE_NO_DEPRECATE
273 -D_CRT_SECURE_NO_WARNINGS
274 -D_CRT_NONSTDC_NO_DEPRECATE
275 -D_CRT_NONSTDC_NO_WARNINGS
276 -D_SCL_SECURE_NO_DEPRECATE
277 -D_SCL_SECURE_NO_WARNINGS
279 -wd4146 # Suppress 'unary minus operator applied to unsigned type, result still unsigned'
280 -wd4180 # Suppress 'qualifier applied to function type has no meaning; ignored'
281 -wd4224 # Suppress 'nonstandard extension used : formal parameter 'identifier' was previously defined as a type'
282 -wd4244 # Suppress ''argument' : conversion from 'type1' to 'type2', possible loss of data'
283 -wd4267 # Suppress ''var' : conversion from 'size_t' to 'type', possible loss of data'
284 -wd4275 # Suppress 'An exported class was derived from a class that was not exported.'
285 -wd4291 # Suppress ''declaration' : no matching operator delete found; memory will not be freed if initialization throws an exception'
286 -wd4345 # Suppress 'behavior change: an object of POD type constructed with an initializer of the form () will be default-initialized'
287 -wd4351 # Suppress 'new behavior: elements of array 'array' will be default initialized'
288 -wd4355 # Suppress ''this' : used in base member initializer list'
289 -wd4503 # Suppress ''identifier' : decorated name length exceeded, name was truncated'
290 -wd4624 # Suppress ''derived class' : destructor could not be generated because a base class destructor is inaccessible'
291 -wd4715 # Suppress ''function' : not all control paths return a value'
292 -wd4800 # Suppress ''type' : forcing value to bool 'true' or 'false' (performance warning)'
293 -wd4065 # Suppress 'switch statement contains 'default' but no 'case' labels'
295 -w14062 # Promote "enumerator in switch of enum is not handled" to level 1 warning.
299 if (LLVM_ENABLE_WARNINGS)
300 add_llvm_definitions( /W4 /Wall )
301 if (LLVM_ENABLE_PEDANTIC)
302 # No MSVC equivalent available
303 endif (LLVM_ENABLE_PEDANTIC)
304 endif (LLVM_ENABLE_WARNINGS)
305 if (LLVM_ENABLE_WERROR)
306 add_llvm_definitions( /WX )
307 endif (LLVM_ENABLE_WERROR)
308 elseif( CMAKE_COMPILER_IS_GNUCXX )
309 if (LLVM_ENABLE_WARNINGS)
310 add_llvm_definitions( -Wall -W -Wno-unused-parameter -Wwrite-strings )
311 if (LLVM_ENABLE_PEDANTIC)
312 add_llvm_definitions( -pedantic -Wno-long-long )
313 endif (LLVM_ENABLE_PEDANTIC)
314 endif (LLVM_ENABLE_WARNINGS)
315 if (LLVM_ENABLE_WERROR)
316 add_llvm_definitions( -Werror )
317 endif (LLVM_ENABLE_WERROR)
320 include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR})
322 if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
323 SET(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} "-include llvm/Support/Solaris.h")
324 endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
330 get_system_libs(LLVM_SYSTEM_LIBS_LIST)
331 foreach(l ${LLVM_SYSTEM_LIBS_LIST})
332 set(LLVM_SYSTEM_LIBS "${LLVM_SYSTEM_LIBS} -l${l}")
334 set(CMAKE_CXX_STANDARD_LIBRARIES "${CMAKE_CXX_STANDARD_LIBRARIES}${LLVM_SYSTEM_LIBS}")
335 set(CMAKE_C_STANDARD_LIBRARIES "${CMAKE_C_STANDARD_LIBRARIES}${LLVM_SYSTEM_LIBS}")
339 # People report that -O3 is unreliable on MinGW. The traditional
340 # build also uses -O2 for that reason:
341 llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2")
344 add_subdirectory(lib/Support)
346 # Everything else depends on Support:
347 set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} ${LLVM_LIBS} )
349 set(LLVM_TABLEGEN "tblgen" CACHE
350 STRING "Native TableGen executable. Saves building one when cross-compiling.")
351 # Effective tblgen executable to be used:
352 set(LLVM_TABLEGEN_EXE ${LLVM_TABLEGEN})
354 add_subdirectory(utils/TableGen)
356 if( CMAKE_CROSSCOMPILING )
357 # This adds a dependency on target `tblgen', so must go after utils/TableGen
358 include( CrossCompileLLVM )
359 endif( CMAKE_CROSSCOMPILING )
361 add_subdirectory(include/llvm)
363 add_subdirectory(lib/VMCore)
364 add_subdirectory(lib/CodeGen)
365 add_subdirectory(lib/CodeGen/SelectionDAG)
366 add_subdirectory(lib/CodeGen/AsmPrinter)
367 add_subdirectory(lib/Bitcode/Reader)
368 add_subdirectory(lib/Bitcode/Writer)
369 add_subdirectory(lib/Transforms/Utils)
370 add_subdirectory(lib/Transforms/Instrumentation)
371 add_subdirectory(lib/Transforms/InstCombine)
372 add_subdirectory(lib/Transforms/Scalar)
373 add_subdirectory(lib/Transforms/IPO)
374 add_subdirectory(lib/Transforms/Hello)
375 add_subdirectory(lib/Linker)
376 add_subdirectory(lib/Analysis)
377 add_subdirectory(lib/Analysis/IPA)
378 add_subdirectory(lib/MC)
379 add_subdirectory(lib/MC/MCParser)
380 add_subdirectory(lib/MC/MCDisassembler)
381 add_subdirectory(lib/Object)
383 add_subdirectory(utils/FileCheck)
384 add_subdirectory(utils/FileUpdate)
385 add_subdirectory(utils/count)
386 add_subdirectory(utils/not)
387 add_subdirectory(utils/llvm-lit)
389 set(LLVM_ENUM_ASM_PRINTERS "")
390 set(LLVM_ENUM_ASM_PARSERS "")
391 set(LLVM_ENUM_DISASSEMBLERS "")
392 foreach(t ${LLVM_TARGETS_TO_BUILD})
393 message(STATUS "Targeting ${t}")
394 add_subdirectory(lib/Target/${t})
395 add_subdirectory(lib/Target/${t}/TargetInfo)
396 set( td ${LLVM_MAIN_SRC_DIR}/lib/Target/${t} )
397 file(GLOB asmp_file "${td}/*AsmPrinter.cpp")
399 set(LLVM_ENUM_ASM_PRINTERS
400 "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n")
402 if( EXISTS ${td}/InstPrinter/CMakeLists.txt )
403 add_subdirectory(lib/Target/${t}/InstPrinter)
405 if( EXISTS ${td}/AsmParser/CMakeLists.txt )
406 add_subdirectory(lib/Target/${t}/AsmParser)
407 set(LLVM_ENUM_ASM_PARSERS
408 "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n")
410 if( EXISTS ${td}/Disassembler/CMakeLists.txt )
411 add_subdirectory(lib/Target/${t}/Disassembler)
412 set(LLVM_ENUM_DISASSEMBLERS
413 "${LLVM_ENUM_DISASSEMBLERS}LLVM_DISASSEMBLER(${t})\n")
415 set(CURRENT_LLVM_TARGET)
418 # Produce llvm/Config/AsmPrinters.def
420 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in
421 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmPrinters.def
424 # Produce llvm/Config/AsmParsers.def
426 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in
427 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmParsers.def
430 # Produce llvm/Config/Disassemblers.def
432 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Disassemblers.def.in
433 ${LLVM_BINARY_DIR}/include/llvm/Config/Disassemblers.def
436 add_subdirectory(lib/ExecutionEngine)
437 add_subdirectory(lib/ExecutionEngine/Interpreter)
438 add_subdirectory(lib/ExecutionEngine/JIT)
439 add_subdirectory(lib/ExecutionEngine/MCJIT)
440 add_subdirectory(lib/Target)
441 add_subdirectory(lib/AsmParser)
442 add_subdirectory(lib/Archive)
444 add_subdirectory(projects)
446 option(LLVM_BUILD_TOOLS
447 "Build the LLVM tools. If OFF, just generate build targets." ON)
448 option(LLVM_INCLUDE_TOOLS "Generate build targets for the LLVM tools." ON)
449 if( LLVM_INCLUDE_TOOLS )
450 add_subdirectory(tools)
453 option(LLVM_BUILD_EXAMPLES
454 "Build the LLVM example programs. If OFF, just generate build targets." OFF)
455 option(LLVM_INCLUDE_EXAMPLES "Generate build targets for the LLVM examples" ON)
456 if( LLVM_INCLUDE_EXAMPLES )
457 add_subdirectory(examples)
460 option(LLVM_BUILD_TESTS
461 "Build LLVM unit tests. If OFF, just generate build targes." OFF)
462 option(LLVM_INCLUDE_TESTS "Generate build targets for the LLVM unit tests." ON)
463 if( LLVM_INCLUDE_TESTS )
464 add_subdirectory(test)
465 add_subdirectory(utils/unittest)
466 add_subdirectory(unittests)
468 # This utility is used to prevent chrashing tests from calling Dr. Watson on
470 add_subdirectory(utils/KillTheDoctor)
474 add_subdirectory(cmake/modules)
476 install(DIRECTORY include/
483 PATTERN ".svn" EXCLUDE
486 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/
493 # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
494 PATTERN "CMakeFiles" EXCLUDE
495 PATTERN ".svn" EXCLUDE
498 # TODO: make and install documentation.
500 set(CPACK_PACKAGE_VENDOR "LLVM")
501 set(CPACK_PACKAGE_VERSION_MAJOR 2)
502 set(CPACK_PACKAGE_VERSION_MINOR 9)
503 add_version_info_from_vcs(CPACK_PACKAGE_VERSION_PATCH)
506 # Workaround for MSVS10 to avoid the Dialog Hell
507 # FIXME: This could be removed with future version of CMake.
508 if(MSVC_VERSION EQUAL 1600)
509 set(LLVM_SLN_FILENAME "${CMAKE_CURRENT_BINARY_DIR}/LLVM.sln")
510 if( EXISTS "${LLVM_SLN_FILENAME}" )
511 file(APPEND "${LLVM_SLN_FILENAME}" "\n# This should be regenerated!\n")