1 # See docs/CMake.html for instructions about how to build LLVM with CMake.
4 cmake_minimum_required(VERSION 2.6.1)
7 set(PACKAGE_VERSION 2.7svn)
8 set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
9 set(PACKAGE_BUGREPORT "llvmbugs@cs.uiuc.edu")
11 if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE )
12 message(FATAL_ERROR "In-source builds are not allowed.
13 CMake would overwrite the makefiles distributed with LLVM.
14 Please create a directory and run cmake from there, passing the path
15 to this source directory as the last argument.
16 This process created the file `CMakeCache.txt' and the directory `CMakeFiles'.
20 string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE)
22 set(LLVM_MAIN_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR})
23 set(LLVM_MAIN_INCLUDE_DIR ${LLVM_MAIN_SRC_DIR}/include)
24 set(LLVM_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
25 set(LLVM_TOOLS_BINARY_DIR ${LLVM_BINARY_DIR}/bin)
26 set(LLVM_EXAMPLES_BINARY_DIR ${LLVM_BINARY_DIR}/examples)
27 set(LLVM_LIBDIR_SUFFIX "" CACHE STRING "Define suffix of library directory name (32/64)" )
29 if( NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR )
31 tablegenned_files_on_include_dir
32 "${LLVM_MAIN_SRC_DIR}/include/llvm/*.gen")
34 tablegenned_files_on_lib_dir
35 "${LLVM_MAIN_SRC_DIR}/lib/Target/*.inc")
36 if( tablegenned_files_on_include_dir OR tablegenned_files_on_lib_dir)
37 message(FATAL_ERROR "Apparently there is a previous in-source build,
38 probably as the result of running `configure' and `make' on
40 This may cause problems. The suspicious files are:
41 ${tablegenned_files_on_lib_dir}
42 ${tablegenned_files_on_include_dir}
43 Please clean the source directory.")
67 set(LLVM_TARGETS_TO_BUILD X86
68 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
70 set(LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS}
71 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
74 set(C_INCLUDE_DIRS "" CACHE STRING
75 "Colon separated list of directories clang will search for headers.")
77 set(LLVM_TARGET_ARCH "host"
78 CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.")
80 option(LLVM_ENABLE_THREADS "Use threads if available." ON)
82 if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
83 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
85 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
88 if( LLVM_ENABLE_ASSERTIONS )
89 # MSVC doesn't like _DEBUG on release builds. See PR 4379.
91 add_definitions( -D_DEBUG )
93 # On Release builds cmake automatically defines NDEBUG, so we
94 # explicitly undefine it:
95 if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
96 add_definitions( -UNDEBUG )
99 if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
100 add_definitions( -DNDEBUG )
104 if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
105 set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
108 set(LLVM_ENUM_TARGETS "")
109 foreach(c ${LLVM_TARGETS_TO_BUILD})
110 list(FIND LLVM_ALL_TARGETS ${c} idx)
112 message(FATAL_ERROR "The target `${c}' does not exist.
113 It should be one of\n${LLVM_ALL_TARGETS}")
115 set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${c})\n")
119 # Produce llvm/Config/Targets.def
121 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in
122 ${LLVM_BINARY_DIR}/include/llvm/Config/Targets.def
125 set(llvm_builded_incs_dir ${LLVM_BINARY_DIR}/include/llvm)
127 # Add path for custom modules
128 set(CMAKE_MODULE_PATH
130 "${LLVM_MAIN_SRC_DIR}/cmake"
131 "${LLVM_MAIN_SRC_DIR}/cmake/modules"
134 include(AddLLVMDefinitions)
144 set(LTDL_SHLIB_EXT ".dll")
146 # Maximum path length is 160 for non-unicode paths
153 set(LTDL_SHLIB_EXT ".dylib")
155 set(LTDL_SHLIB_EXT ".so")
158 # FIXME: Maximum path length is currently set to 'safe' fixed value
161 MESSAGE(SEND_ERROR "Unable to determine platform")
167 option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON)
170 if( LLVM_ENABLE_PIC )
172 # Xcode has -mdynamic-no-pic on by default, which overrides -fPIC. I don't
173 # know how to disable this, so just force ENABLE_PIC off for now.
174 message(STATUS "Warning: -fPIC not supported with Xcode.")
176 if( SUPPORTS_FPIC_FLAG )
177 message(STATUS "Building with -fPIC")
178 add_llvm_definitions(-fPIC)
180 else( SUPPORTS_FPIC_FLAG )
181 message(STATUS "Warning: -fPIC not supported.")
186 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR} )
187 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
188 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
190 # set(CMAKE_VERBOSE_MAKEFILE true)
192 add_llvm_definitions( -D__STDC_LIMIT_MACROS )
193 add_llvm_definitions( -D__STDC_CONSTANT_MACROS )
195 # MSVC has a gazillion warnings with this.
197 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." OFF)
199 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON)
202 option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
203 option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
205 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
206 # TODO: support other platforms and toolchains.
207 option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
208 if( LLVM_BUILD_32_BITS )
209 message(STATUS "Building 32 bits executables and libraries.")
210 add_llvm_definitions( -m32 )
211 list(APPEND CMAKE_EXE_LINKER_FLAGS -m32)
212 list(APPEND CMAKE_SHARED_LINKER_FLAGS -m32)
213 endif( LLVM_BUILD_32_BITS )
214 endif( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
217 # List of valid CRTs for MSVC
222 set(LLVM_USE_CRT "" CACHE STRING "Specify VC++ CRT to use for debug/release configurations.")
223 add_llvm_definitions( -D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS )
224 add_llvm_definitions( -D_SCL_SECURE_NO_WARNINGS -DCRT_NONSTDC_NO_WARNINGS )
225 add_llvm_definitions( -D_SCL_SECURE_NO_DEPRECATE )
226 add_llvm_definitions( -wd4146 -wd4503 -wd4996 -wd4800 -wd4244 -wd4624 )
227 add_llvm_definitions( -wd4355 -wd4715 -wd4180 -wd4345 -wd4224 )
229 # Suppress 'new behavior: elements of array 'array' will be default initialized'
230 add_llvm_definitions( -wd4351 )
232 if (NOT ${LLVM_USE_CRT} STREQUAL "")
233 list(FIND MSVC_CRT ${LLVM_USE_CRT} idx)
235 message(FATAL_ERROR "Invalid value for LLVM_USE_CRT: ${LLVM_USE_CRT}. Valid options are one of: ${MSVC_CRT}")
237 add_llvm_definitions("/${LLVM_USE_CRT}")
238 message(STATUS "Using VC++ CRT: ${LLVM_USE_CRT}")
239 endif (NOT ${LLVM_USE_CRT} STREQUAL "")
242 if (LLVM_ENABLE_WARNINGS)
243 add_llvm_definitions( /W4 /Wall )
244 if (LLVM_ENABLE_PEDANTIC)
245 # No MSVC equivalent available
246 endif (LLVM_ENABLE_PEDANTIC)
247 endif (LLVM_ENABLE_WARNINGS)
248 if (LLVM_ENABLE_WERROR)
249 add_llvm_definitions( /WX )
250 endif (LLVM_ENABLE_WERROR)
251 elseif( CMAKE_COMPILER_IS_GNUCXX )
252 if (LLVM_ENABLE_WARNINGS)
253 add_llvm_definitions( -Wall -W -Wno-unused-parameter -Wwrite-strings )
254 if (LLVM_ENABLE_PEDANTIC)
255 add_llvm_definitions( -pedantic -Wno-long-long )
256 endif (LLVM_ENABLE_PEDANTIC)
257 endif (LLVM_ENABLE_WARNINGS)
258 if (LLVM_ENABLE_WERROR)
259 add_llvm_definitions( -Werror )
260 endif (LLVM_ENABLE_WERROR)
263 include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR})
265 if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
266 SET(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} "-include llvm/System/Solaris.h")
267 endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
272 add_subdirectory(lib/Support)
273 add_subdirectory(lib/System)
275 # Everything else depends on Support and System:
276 set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} ${LLVM_LIBS} )
278 set(LLVM_TABLEGEN "tblgen" CACHE
279 STRING "Native TableGen executable. Saves building one when cross-compiling.")
280 # Effective tblgen executable to be used:
281 set(LLVM_TABLEGEN_EXE ${LLVM_TABLEGEN})
283 add_subdirectory(utils/TableGen)
285 if( CMAKE_CROSSCOMPILING )
286 # This adds a dependency on target `tblgen', so must go after utils/TableGen
287 include( CrossCompileLLVM )
288 endif( CMAKE_CROSSCOMPILING )
290 add_subdirectory(include/llvm)
292 add_subdirectory(lib/VMCore)
293 add_subdirectory(lib/CodeGen)
294 add_subdirectory(lib/CodeGen/SelectionDAG)
295 add_subdirectory(lib/CodeGen/AsmPrinter)
296 add_subdirectory(lib/Bitcode/Reader)
297 add_subdirectory(lib/Bitcode/Writer)
298 add_subdirectory(lib/Transforms/Utils)
299 add_subdirectory(lib/Transforms/Instrumentation)
300 add_subdirectory(lib/Transforms/InstCombine)
301 add_subdirectory(lib/Transforms/Scalar)
302 add_subdirectory(lib/Transforms/IPO)
303 add_subdirectory(lib/Transforms/Hello)
304 add_subdirectory(lib/Linker)
305 add_subdirectory(lib/Analysis)
306 add_subdirectory(lib/Analysis/IPA)
307 add_subdirectory(lib/MC)
308 add_subdirectory(lib/MC/MCParser)
309 add_subdirectory(test)
311 add_subdirectory(utils/FileCheck)
312 add_subdirectory(utils/count)
313 add_subdirectory(utils/not)
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}/AsmParser/CMakeLists.txt )
328 add_subdirectory(lib/Target/${t}/AsmParser)
329 set(LLVM_ENUM_ASM_PARSERS
330 "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n")
331 endif( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmParser/CMakeLists.txt )
332 if( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/Disassembler/CMakeLists.txt )
333 add_subdirectory(lib/Target/${t}/Disassembler)
334 set(LLVM_ENUM_DISASSEMBLERS
335 "${LLVM_ENUM_DISASSEMBLERS}LLVM_DISASSEMBLER(${t})\n")
336 endif( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/Disassembler/CMakeLists.txt )
337 set(CURRENT_LLVM_TARGET)
340 # Produce llvm/Config/AsmPrinters.def
342 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in
343 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmPrinters.def
346 # Produce llvm/Config/AsmParsers.def
348 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in
349 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmParsers.def
352 # Produce llvm/Config/Disassemblers.def
354 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Disassemblers.def.in
355 ${LLVM_BINARY_DIR}/include/llvm/Config/Disassemblers.def
358 add_subdirectory(lib/ExecutionEngine)
359 add_subdirectory(lib/ExecutionEngine/Interpreter)
360 add_subdirectory(lib/ExecutionEngine/JIT)
361 add_subdirectory(lib/Target)
362 add_subdirectory(lib/AsmParser)
363 add_subdirectory(lib/Archive)
365 add_subdirectory(projects)
367 option(LLVM_BUILD_TOOLS "Build LLVM tool programs." ON)
368 add_subdirectory(tools)
370 option(LLVM_BUILD_EXAMPLES "Build LLVM example programs." OFF)
371 add_subdirectory(examples)
373 install(DIRECTORY include/
380 PATTERN ".svn" EXCLUDE
383 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/
390 # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
391 PATTERN "CMakeFiles" EXCLUDE
392 PATTERN ".svn" EXCLUDE
395 # TODO: make and install documentation.