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")
14 include(VersionFromVCS)
15 add_version_info_from_vcs(PACKAGE_VERSION)
17 set(PACKAGE_NAME llvm)
18 set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
19 set(PACKAGE_BUGREPORT "llvmbugs@cs.uiuc.edu")
21 if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE )
22 message(FATAL_ERROR "In-source builds are not allowed.
23 CMake would overwrite the makefiles distributed with LLVM.
24 Please create a directory and run cmake from there, passing the path
25 to this source directory as the last argument.
26 This process created the file `CMakeCache.txt' and the directory `CMakeFiles'.
30 string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE)
32 set(LLVM_MAIN_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR})
33 set(LLVM_MAIN_INCLUDE_DIR ${LLVM_MAIN_SRC_DIR}/include)
34 set(LLVM_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
35 set(LLVM_TOOLS_BINARY_DIR ${LLVM_BINARY_DIR}/bin)
36 set(LLVM_EXAMPLES_BINARY_DIR ${LLVM_BINARY_DIR}/examples)
37 set(LLVM_LIBDIR_SUFFIX "" CACHE STRING "Define suffix of library directory name (32/64)" )
39 if( NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR )
41 tablegenned_files_on_include_dir
42 "${LLVM_MAIN_SRC_DIR}/include/llvm/*.gen")
44 tablegenned_files_on_lib_dir
45 "${LLVM_MAIN_SRC_DIR}/lib/Target/*.inc")
46 if( tablegenned_files_on_include_dir OR tablegenned_files_on_lib_dir)
47 message(FATAL_ERROR "Apparently there is a previous in-source build,
48 probably as the result of running `configure' and `make' on
50 This may cause problems. The suspicious files are:
51 ${tablegenned_files_on_lib_dir}
52 ${tablegenned_files_on_include_dir}
53 Please clean the source directory.")
76 set(LLVM_TARGETS_TO_BUILD X86
77 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
79 set(LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS}
80 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
83 set(CLANG_RESOURCE_DIR "" CACHE STRING
84 "Relative directory from the Clang binary to its resource files.")
86 set(C_INCLUDE_DIRS "" CACHE STRING
87 "Colon separated list of directories clang will search for headers.")
89 set(LLVM_TARGET_ARCH "host"
90 CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.")
92 set(LIT_ARGS_DEFAULT "-sv")
94 set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
96 set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}"
97 CACHE STRING "Default options for lit")
99 option(LLVM_ENABLE_THREADS "Use threads if available." ON)
101 if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
102 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
104 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
107 if( LLVM_ENABLE_ASSERTIONS )
108 # MSVC doesn't like _DEBUG on release builds. See PR 4379.
110 add_definitions( -D_DEBUG )
112 # On Release builds cmake automatically defines NDEBUG, so we
113 # explicitly undefine it:
114 if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
115 add_definitions( -UNDEBUG )
118 if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
119 add_definitions( -DNDEBUG )
123 if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
124 set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
127 set(LLVM_ENUM_TARGETS "")
128 foreach(c ${LLVM_TARGETS_TO_BUILD})
129 list(FIND LLVM_ALL_TARGETS ${c} idx)
131 message(FATAL_ERROR "The target `${c}' does not exist.
132 It should be one of\n${LLVM_ALL_TARGETS}")
134 set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${c})\n")
138 # Produce llvm/Config/Targets.def
140 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in
141 ${LLVM_BINARY_DIR}/include/llvm/Config/Targets.def
144 set(llvm_builded_incs_dir ${LLVM_BINARY_DIR}/include/llvm)
146 include(AddLLVMDefinitions)
156 set(LTDL_SHLIB_EXT ".dll")
158 # Maximum path length is 160 for non-unicode paths
165 set(LTDL_SHLIB_EXT ".dylib")
167 set(LTDL_SHLIB_EXT ".so")
170 # FIXME: Maximum path length is currently set to 'safe' fixed value
173 MESSAGE(SEND_ERROR "Unable to determine platform")
179 option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON)
182 if( LLVM_ENABLE_PIC )
184 # Xcode has -mdynamic-no-pic on by default, which overrides -fPIC. I don't
185 # know how to disable this, so just force ENABLE_PIC off for now.
186 message(STATUS "Warning: -fPIC not supported with Xcode.")
188 if( SUPPORTS_FPIC_FLAG )
189 message(STATUS "Building with -fPIC")
190 add_llvm_definitions(-fPIC)
192 else( SUPPORTS_FPIC_FLAG )
193 message(STATUS "Warning: -fPIC not supported.")
198 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR} )
199 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
200 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
202 # set(CMAKE_VERBOSE_MAKEFILE true)
204 add_llvm_definitions( -D__STDC_LIMIT_MACROS )
205 add_llvm_definitions( -D__STDC_CONSTANT_MACROS )
207 # MSVC has a gazillion warnings with this.
209 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." OFF)
211 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON)
214 option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
215 option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
217 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
218 # TODO: support other platforms and toolchains.
219 option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
220 if( LLVM_BUILD_32_BITS )
221 message(STATUS "Building 32 bits executables and libraries.")
222 add_llvm_definitions( -m32 )
223 list(APPEND CMAKE_EXE_LINKER_FLAGS -m32)
224 list(APPEND CMAKE_SHARED_LINKER_FLAGS -m32)
225 endif( LLVM_BUILD_32_BITS )
226 endif( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
229 include(ChooseMSVCCRT)
231 add_llvm_definitions( -D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS )
232 add_llvm_definitions( -D_SCL_SECURE_NO_WARNINGS -DCRT_NONSTDC_NO_WARNINGS )
233 add_llvm_definitions( -D_SCL_SECURE_NO_DEPRECATE )
234 add_llvm_definitions( -wd4146 -wd4503 -wd4996 -wd4800 -wd4244 -wd4624 )
235 add_llvm_definitions( -wd4355 -wd4715 -wd4180 -wd4345 -wd4224 -wd4267 )
237 # Suppress 'new behavior: elements of array 'array' will be default initialized'
238 add_llvm_definitions( -wd4351 )
241 if (LLVM_ENABLE_WARNINGS)
242 add_llvm_definitions( /W4 /Wall )
243 if (LLVM_ENABLE_PEDANTIC)
244 # No MSVC equivalent available
245 endif (LLVM_ENABLE_PEDANTIC)
246 endif (LLVM_ENABLE_WARNINGS)
247 if (LLVM_ENABLE_WERROR)
248 add_llvm_definitions( /WX )
249 endif (LLVM_ENABLE_WERROR)
250 elseif( CMAKE_COMPILER_IS_GNUCXX )
251 if (LLVM_ENABLE_WARNINGS)
252 add_llvm_definitions( -Wall -W -Wno-unused-parameter -Wwrite-strings )
253 if (LLVM_ENABLE_PEDANTIC)
254 add_llvm_definitions( -pedantic -Wno-long-long )
255 endif (LLVM_ENABLE_PEDANTIC)
256 endif (LLVM_ENABLE_WARNINGS)
257 if (LLVM_ENABLE_WERROR)
258 add_llvm_definitions( -Werror )
259 endif (LLVM_ENABLE_WERROR)
262 include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR})
264 if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
265 SET(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} "-include llvm/System/Solaris.h")
266 endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
272 get_system_libs(LLVM_SYSTEM_LIBS_LIST)
273 foreach(l ${LLVM_SYSTEM_LIBS_LIST})
274 set(LLVM_SYSTEM_LIBS "${LLVM_SYSTEM_LIBS} -l${l}")
276 set(CMAKE_CXX_STANDARD_LIBRARIES "${CMAKE_CXX_STANDARD_LIBRARIES}${LLVM_SYSTEM_LIBS}")
277 set(CMAKE_C_STANDARD_LIBRARIES "${CMAKE_C_STANDARD_LIBRARIES}${LLVM_SYSTEM_LIBS}")
280 add_subdirectory(lib/Support)
281 add_subdirectory(lib/System)
283 # Everything else depends on Support and System:
284 set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} ${LLVM_LIBS} )
286 set(LLVM_TABLEGEN "tblgen" CACHE
287 STRING "Native TableGen executable. Saves building one when cross-compiling.")
288 # Effective tblgen executable to be used:
289 set(LLVM_TABLEGEN_EXE ${LLVM_TABLEGEN})
291 add_subdirectory(utils/TableGen)
293 if( CMAKE_CROSSCOMPILING )
294 # This adds a dependency on target `tblgen', so must go after utils/TableGen
295 include( CrossCompileLLVM )
296 endif( CMAKE_CROSSCOMPILING )
298 add_subdirectory(include/llvm)
300 add_subdirectory(lib/VMCore)
301 add_subdirectory(lib/CodeGen)
302 add_subdirectory(lib/CodeGen/SelectionDAG)
303 add_subdirectory(lib/CodeGen/AsmPrinter)
304 add_subdirectory(lib/Bitcode/Reader)
305 add_subdirectory(lib/Bitcode/Writer)
306 add_subdirectory(lib/Transforms/Utils)
307 add_subdirectory(lib/Transforms/Instrumentation)
308 add_subdirectory(lib/Transforms/InstCombine)
309 add_subdirectory(lib/Transforms/Scalar)
310 add_subdirectory(lib/Transforms/IPO)
311 add_subdirectory(lib/Transforms/Hello)
312 add_subdirectory(lib/Linker)
313 add_subdirectory(lib/Analysis)
314 add_subdirectory(lib/Analysis/IPA)
315 add_subdirectory(lib/MC)
316 add_subdirectory(lib/MC/MCParser)
317 add_subdirectory(lib/MC/MCDisassembler)
319 add_subdirectory(utils/FileCheck)
320 add_subdirectory(utils/count)
321 add_subdirectory(utils/not)
322 add_subdirectory(utils/llvm-lit)
324 set(LLVM_ENUM_ASM_PRINTERS "")
325 set(LLVM_ENUM_ASM_PARSERS "")
326 set(LLVM_ENUM_DISASSEMBLERS "")
327 foreach(t ${LLVM_TARGETS_TO_BUILD})
328 message(STATUS "Targeting ${t}")
329 add_subdirectory(lib/Target/${t})
330 add_subdirectory(lib/Target/${t}/TargetInfo)
331 set( td ${LLVM_MAIN_SRC_DIR}/lib/Target/${t} )
332 file(GLOB asmp_file "${td}/*AsmPrinter.cpp")
334 set(LLVM_ENUM_ASM_PRINTERS
335 "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n")
337 if( EXISTS ${td}/InstPrinter/CMakeLists.txt )
338 add_subdirectory(lib/Target/${t}/InstPrinter)
340 if( EXISTS ${td}/AsmParser/CMakeLists.txt )
341 add_subdirectory(lib/Target/${t}/AsmParser)
342 set(LLVM_ENUM_ASM_PARSERS
343 "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n")
345 if( EXISTS ${td}/Disassembler/CMakeLists.txt )
346 add_subdirectory(lib/Target/${t}/Disassembler)
347 set(LLVM_ENUM_DISASSEMBLERS
348 "${LLVM_ENUM_DISASSEMBLERS}LLVM_DISASSEMBLER(${t})\n")
350 set(CURRENT_LLVM_TARGET)
353 # Produce llvm/Config/AsmPrinters.def
355 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in
356 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmPrinters.def
359 # Produce llvm/Config/AsmParsers.def
361 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in
362 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmParsers.def
365 # Produce llvm/Config/Disassemblers.def
367 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Disassemblers.def.in
368 ${LLVM_BINARY_DIR}/include/llvm/Config/Disassemblers.def
371 add_subdirectory(lib/ExecutionEngine)
372 add_subdirectory(lib/ExecutionEngine/Interpreter)
373 add_subdirectory(lib/ExecutionEngine/JIT)
374 add_subdirectory(lib/Target)
375 add_subdirectory(lib/AsmParser)
376 add_subdirectory(lib/Archive)
378 add_subdirectory(projects)
380 option(LLVM_BUILD_TOOLS
381 "Build the LLVM tools. If OFF, just generate build targets." ON)
382 option(LLVM_INCLUDE_TOOLS "Generate build targets for the LLVM tools." ON)
383 if( LLVM_INCLUDE_TOOLS )
384 add_subdirectory(tools)
387 option(LLVM_BUILD_EXAMPLES
388 "Build the LLVM example programs. If OFF, just generate build targets." OFF)
389 option(LLVM_INCLUDE_EXAMPLES "Generate build targets for the LLVM examples" ON)
390 if( LLVM_INCLUDE_EXAMPLES )
391 add_subdirectory(examples)
394 option(LLVM_BUILD_TESTS
395 "Build LLVM unit tests. If OFF, just generate build targes." OFF)
396 option(LLVM_INCLUDE_TESTS "Generate build targets for the LLVM unit tests." ON)
397 if( LLVM_INCLUDE_TESTS )
398 add_subdirectory(test)
399 add_subdirectory(utils/unittest)
400 add_subdirectory(unittests)
402 # This utility is used to prevent chrashing tests from calling Dr. Watson on
404 add_subdirectory(utils/KillTheDoctor)
408 add_subdirectory(cmake/modules)
410 install(DIRECTORY include/
417 PATTERN ".svn" EXCLUDE
420 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/
427 # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
428 PATTERN "CMakeFiles" EXCLUDE
429 PATTERN ".svn" EXCLUDE
432 # TODO: make and install documentation.
434 set(CPACK_PACKAGE_VENDOR "LLVM")
435 set(CPACK_PACKAGE_VERSION_MAJOR 2)
436 set(CPACK_PACKAGE_VERSION_MINOR 9)
437 add_version_info_from_vcs(CPACK_PACKAGE_VERSION_PATCH)