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.")
77 set(LLVM_TARGETS_TO_BUILD X86
78 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
80 set(LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS}
81 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
84 set(C_INCLUDE_DIRS "" CACHE STRING
85 "Colon separated list of directories clang will search for headers.")
87 set(LLVM_TARGET_ARCH "host"
88 CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.")
90 option(LLVM_ENABLE_THREADS "Use threads if available." ON)
92 if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
93 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
95 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
98 if( LLVM_ENABLE_ASSERTIONS )
99 # MSVC doesn't like _DEBUG on release builds. See PR 4379.
101 add_definitions( -D_DEBUG )
103 # On Release builds cmake automatically defines NDEBUG, so we
104 # explicitly undefine it:
105 if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
106 add_definitions( -UNDEBUG )
109 if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
110 add_definitions( -DNDEBUG )
114 if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
115 set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
118 set(LLVM_ENUM_TARGETS "")
119 foreach(c ${LLVM_TARGETS_TO_BUILD})
120 list(FIND LLVM_ALL_TARGETS ${c} idx)
122 message(FATAL_ERROR "The target `${c}' does not exist.
123 It should be one of\n${LLVM_ALL_TARGETS}")
125 set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${c})\n")
129 # Produce llvm/Config/Targets.def
131 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in
132 ${LLVM_BINARY_DIR}/include/llvm/Config/Targets.def
135 set(llvm_builded_incs_dir ${LLVM_BINARY_DIR}/include/llvm)
137 include(AddLLVMDefinitions)
147 set(LTDL_SHLIB_EXT ".dll")
149 # Maximum path length is 160 for non-unicode paths
156 set(LTDL_SHLIB_EXT ".dylib")
158 set(LTDL_SHLIB_EXT ".so")
161 # FIXME: Maximum path length is currently set to 'safe' fixed value
164 MESSAGE(SEND_ERROR "Unable to determine platform")
170 option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON)
173 if( LLVM_ENABLE_PIC )
175 # Xcode has -mdynamic-no-pic on by default, which overrides -fPIC. I don't
176 # know how to disable this, so just force ENABLE_PIC off for now.
177 message(STATUS "Warning: -fPIC not supported with Xcode.")
179 if( SUPPORTS_FPIC_FLAG )
180 message(STATUS "Building with -fPIC")
181 add_llvm_definitions(-fPIC)
183 else( SUPPORTS_FPIC_FLAG )
184 message(STATUS "Warning: -fPIC not supported.")
189 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR} )
190 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
191 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
193 # set(CMAKE_VERBOSE_MAKEFILE true)
195 add_llvm_definitions( -D__STDC_LIMIT_MACROS )
196 add_llvm_definitions( -D__STDC_CONSTANT_MACROS )
198 # MSVC has a gazillion warnings with this.
200 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." OFF)
202 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON)
205 option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
206 option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
208 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
209 # TODO: support other platforms and toolchains.
210 option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
211 if( LLVM_BUILD_32_BITS )
212 message(STATUS "Building 32 bits executables and libraries.")
213 add_llvm_definitions( -m32 )
214 list(APPEND CMAKE_EXE_LINKER_FLAGS -m32)
215 list(APPEND CMAKE_SHARED_LINKER_FLAGS -m32)
216 endif( LLVM_BUILD_32_BITS )
217 endif( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
220 include(ChooseMSVCCRT)
222 add_llvm_definitions( -D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS )
223 add_llvm_definitions( -D_SCL_SECURE_NO_WARNINGS -DCRT_NONSTDC_NO_WARNINGS )
224 add_llvm_definitions( -D_SCL_SECURE_NO_DEPRECATE )
225 add_llvm_definitions( -wd4146 -wd4503 -wd4996 -wd4800 -wd4244 -wd4624 )
226 add_llvm_definitions( -wd4355 -wd4715 -wd4180 -wd4345 -wd4224 )
228 # Suppress 'new behavior: elements of array 'array' will be default initialized'
229 add_llvm_definitions( -wd4351 )
232 if (LLVM_ENABLE_WARNINGS)
233 add_llvm_definitions( /W4 /Wall )
234 if (LLVM_ENABLE_PEDANTIC)
235 # No MSVC equivalent available
236 endif (LLVM_ENABLE_PEDANTIC)
237 endif (LLVM_ENABLE_WARNINGS)
238 if (LLVM_ENABLE_WERROR)
239 add_llvm_definitions( /WX )
240 endif (LLVM_ENABLE_WERROR)
241 elseif( CMAKE_COMPILER_IS_GNUCXX )
242 if (LLVM_ENABLE_WARNINGS)
243 add_llvm_definitions( -Wall -W -Wno-unused-parameter -Wwrite-strings )
244 if (LLVM_ENABLE_PEDANTIC)
245 add_llvm_definitions( -pedantic -Wno-long-long )
246 endif (LLVM_ENABLE_PEDANTIC)
247 endif (LLVM_ENABLE_WARNINGS)
248 if (LLVM_ENABLE_WERROR)
249 add_llvm_definitions( -Werror )
250 endif (LLVM_ENABLE_WERROR)
253 include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR})
255 if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
256 SET(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} "-include llvm/System/Solaris.h")
257 endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
263 get_system_libs(LLVM_SYSTEM_LIBS_LIST)
264 foreach(l ${LLVM_SYSTEM_LIBS_LIST})
265 set(LLVM_SYSTEM_LIBS "${LLVM_SYSTEM_LIBS} -l${l}")
267 set(CMAKE_CXX_STANDARD_LIBRARIES "${CMAKE_CXX_STANDARD_LIBRARIES}${LLVM_SYSTEM_LIBS}")
268 set(CMAKE_C_STANDARD_LIBRARIES "${CMAKE_C_STANDARD_LIBRARIES}${LLVM_SYSTEM_LIBS}")
271 add_subdirectory(lib/Support)
272 add_subdirectory(lib/System)
274 # Everything else depends on Support and System:
275 set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} ${LLVM_LIBS} )
277 set(LLVM_TABLEGEN "tblgen" CACHE
278 STRING "Native TableGen executable. Saves building one when cross-compiling.")
279 # Effective tblgen executable to be used:
280 set(LLVM_TABLEGEN_EXE ${LLVM_TABLEGEN})
282 add_subdirectory(utils/TableGen)
284 if( CMAKE_CROSSCOMPILING )
285 # This adds a dependency on target `tblgen', so must go after utils/TableGen
286 include( CrossCompileLLVM )
287 endif( CMAKE_CROSSCOMPILING )
289 add_subdirectory(include/llvm)
291 add_subdirectory(lib/VMCore)
292 add_subdirectory(lib/CodeGen)
293 add_subdirectory(lib/CodeGen/SelectionDAG)
294 add_subdirectory(lib/CodeGen/AsmPrinter)
295 add_subdirectory(lib/Bitcode/Reader)
296 add_subdirectory(lib/Bitcode/Writer)
297 add_subdirectory(lib/Transforms/Utils)
298 add_subdirectory(lib/Transforms/Instrumentation)
299 add_subdirectory(lib/Transforms/InstCombine)
300 add_subdirectory(lib/Transforms/Scalar)
301 add_subdirectory(lib/Transforms/IPO)
302 add_subdirectory(lib/Transforms/Hello)
303 add_subdirectory(lib/Linker)
304 add_subdirectory(lib/Analysis)
305 add_subdirectory(lib/Analysis/IPA)
306 add_subdirectory(lib/MC)
307 add_subdirectory(lib/MC/MCParser)
308 add_subdirectory(lib/MC/MCDisassembler)
310 add_subdirectory(utils/FileCheck)
311 add_subdirectory(utils/count)
312 add_subdirectory(utils/not)
313 add_subdirectory(utils/llvm-lit)
315 set(LLVM_ENUM_ASM_PRINTERS "")
316 set(LLVM_ENUM_ASM_PARSERS "")
317 set(LLVM_ENUM_DISASSEMBLERS "")
318 foreach(t ${LLVM_TARGETS_TO_BUILD})
319 message(STATUS "Targeting ${t}")
320 add_subdirectory(lib/Target/${t})
321 add_subdirectory(lib/Target/${t}/TargetInfo)
322 if( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmPrinter/CMakeLists.txt )
323 add_subdirectory(lib/Target/${t}/AsmPrinter)
324 set(LLVM_ENUM_ASM_PRINTERS
325 "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n")
326 endif( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmPrinter/CMakeLists.txt )
327 if( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/InstPrinter/CMakeLists.txt )
328 add_subdirectory(lib/Target/${t}/InstPrinter)
329 set(LLVM_ENUM_ASM_PRINTERS
330 "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n")
331 endif( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/InstPrinter/CMakeLists.txt )
332 if( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmParser/CMakeLists.txt )
333 add_subdirectory(lib/Target/${t}/AsmParser)
334 set(LLVM_ENUM_ASM_PARSERS
335 "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n")
336 endif( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmParser/CMakeLists.txt )
337 if( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/Disassembler/CMakeLists.txt )
338 add_subdirectory(lib/Target/${t}/Disassembler)
339 set(LLVM_ENUM_DISASSEMBLERS
340 "${LLVM_ENUM_DISASSEMBLERS}LLVM_DISASSEMBLER(${t})\n")
341 endif( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/Disassembler/CMakeLists.txt )
342 set(CURRENT_LLVM_TARGET)
345 # PIC16 contains an odd library:
346 if( LLVM_TARGETS_TO_BUILD MATCHES ".*PIC16.*" )
347 add_subdirectory(lib/Target/PIC16/PIC16Passes)
350 # Produce llvm/Config/AsmPrinters.def
352 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in
353 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmPrinters.def
356 # Produce llvm/Config/AsmParsers.def
358 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in
359 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmParsers.def
362 # Produce llvm/Config/Disassemblers.def
364 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Disassemblers.def.in
365 ${LLVM_BINARY_DIR}/include/llvm/Config/Disassemblers.def
368 add_subdirectory(lib/ExecutionEngine)
369 add_subdirectory(lib/ExecutionEngine/Interpreter)
370 add_subdirectory(lib/ExecutionEngine/JIT)
371 add_subdirectory(lib/Target)
372 add_subdirectory(lib/AsmParser)
373 add_subdirectory(lib/Archive)
375 add_subdirectory(projects)
377 option(LLVM_BUILD_TOOLS
378 "Build the LLVM tools. If OFF, just generate build targets." ON)
379 option(LLVM_INCLUDE_TOOLS "Generate build targets for the LLVM tools." ON)
380 if( LLVM_INCLUDE_TOOLS )
381 add_subdirectory(tools)
384 option(LLVM_BUILD_EXAMPLES
385 "Build the LLVM example programs. If OFF, just generate build targets." OFF)
386 option(LLVM_INCLUDE_EXAMPLES "Generate build targets for the LLVM examples" ON)
387 if( LLVM_INCLUDE_EXAMPLES )
388 add_subdirectory(examples)
391 option(LLVM_BUILD_TESTS
392 "Build LLVM unit tests. If OFF, just generate build targes." OFF)
393 option(LLVM_INCLUDE_TESTS "Generate build targets for the LLVM unit tests." ON)
394 if( LLVM_INCLUDE_TESTS )
395 add_subdirectory(test)
396 add_subdirectory(utils/unittest)
397 add_subdirectory(unittests)
400 add_subdirectory(cmake/modules)
402 install(DIRECTORY include/
409 PATTERN ".svn" EXCLUDE
412 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/
419 # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
420 PATTERN "CMakeFiles" EXCLUDE
421 PATTERN ".svn" EXCLUDE
424 # TODO: make and install documentation.