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 "2.8")
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 ${LLVM_BINARY_DIR}/lib )
193 # set(CMAKE_VERBOSE_MAKEFILE true)
195 add_llvm_definitions( -D__STDC_LIMIT_MACROS )
196 add_llvm_definitions( -D__STDC_CONSTANT_MACROS )
198 # MSVC has a gazillion warnings with this.
200 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." OFF)
202 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON)
205 option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
206 option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
208 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
209 # TODO: support other platforms and toolchains.
210 option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
211 if( LLVM_BUILD_32_BITS )
212 message(STATUS "Building 32 bits executables and libraries.")
213 add_llvm_definitions( -m32 )
214 list(APPEND CMAKE_EXE_LINKER_FLAGS -m32)
215 list(APPEND CMAKE_SHARED_LINKER_FLAGS -m32)
216 endif( LLVM_BUILD_32_BITS )
217 endif( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
220 # List of valid CRTs for MSVC
227 set(LLVM_USE_CRT "" CACHE STRING "Specify VC++ CRT to use for debug/release configurations.")
228 # Lets the GUI show a drop-down list of possible values, including
229 # an empty string as the default:
230 set_property(CACHE LLVM_USE_CRT PROPERTY STRINGS "";${MSVC_CRT})
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 )
237 # Suppress 'new behavior: elements of array 'array' will be default initialized'
238 add_llvm_definitions( -wd4351 )
240 if (NOT ${LLVM_USE_CRT} STREQUAL "")
241 list(FIND MSVC_CRT ${LLVM_USE_CRT} idx)
243 message(FATAL_ERROR "Invalid value for LLVM_USE_CRT: ${LLVM_USE_CRT}. Valid options are one of: ${MSVC_CRT}")
245 add_llvm_definitions("/${LLVM_USE_CRT}")
246 message(STATUS "Using VC++ CRT: ${LLVM_USE_CRT}")
247 endif (NOT ${LLVM_USE_CRT} STREQUAL "")
250 if (LLVM_ENABLE_WARNINGS)
251 add_llvm_definitions( /W4 /Wall )
252 if (LLVM_ENABLE_PEDANTIC)
253 # No MSVC equivalent available
254 endif (LLVM_ENABLE_PEDANTIC)
255 endif (LLVM_ENABLE_WARNINGS)
256 if (LLVM_ENABLE_WERROR)
257 add_llvm_definitions( /WX )
258 endif (LLVM_ENABLE_WERROR)
259 elseif( CMAKE_COMPILER_IS_GNUCXX )
260 if (LLVM_ENABLE_WARNINGS)
261 add_llvm_definitions( -Wall -W -Wno-unused-parameter -Wwrite-strings )
262 if (LLVM_ENABLE_PEDANTIC)
263 add_llvm_definitions( -pedantic -Wno-long-long )
264 endif (LLVM_ENABLE_PEDANTIC)
265 endif (LLVM_ENABLE_WARNINGS)
266 if (LLVM_ENABLE_WERROR)
267 add_llvm_definitions( -Werror )
268 endif (LLVM_ENABLE_WERROR)
271 include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR})
273 if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
274 SET(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} "-include llvm/System/Solaris.h")
275 endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
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)
318 add_subdirectory(test)
320 add_subdirectory(utils/FileCheck)
321 add_subdirectory(utils/count)
322 add_subdirectory(utils/not)
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 if( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmPrinter/CMakeLists.txt )
332 add_subdirectory(lib/Target/${t}/AsmPrinter)
333 set(LLVM_ENUM_ASM_PRINTERS
334 "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n")
335 endif( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmPrinter/CMakeLists.txt )
336 if( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmParser/CMakeLists.txt )
337 add_subdirectory(lib/Target/${t}/AsmParser)
338 set(LLVM_ENUM_ASM_PARSERS
339 "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n")
340 endif( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmParser/CMakeLists.txt )
341 if( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/Disassembler/CMakeLists.txt )
342 add_subdirectory(lib/Target/${t}/Disassembler)
343 set(LLVM_ENUM_DISASSEMBLERS
344 "${LLVM_ENUM_DISASSEMBLERS}LLVM_DISASSEMBLER(${t})\n")
345 endif( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/Disassembler/CMakeLists.txt )
346 set(CURRENT_LLVM_TARGET)
349 # Produce llvm/Config/AsmPrinters.def
351 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in
352 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmPrinters.def
355 # Produce llvm/Config/AsmParsers.def
357 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in
358 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmParsers.def
361 # Produce llvm/Config/Disassemblers.def
363 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Disassemblers.def.in
364 ${LLVM_BINARY_DIR}/include/llvm/Config/Disassemblers.def
367 add_subdirectory(lib/ExecutionEngine)
368 add_subdirectory(lib/ExecutionEngine/Interpreter)
369 add_subdirectory(lib/ExecutionEngine/JIT)
370 add_subdirectory(lib/Target)
371 add_subdirectory(lib/AsmParser)
372 add_subdirectory(lib/Archive)
374 add_subdirectory(projects)
376 option(LLVM_BUILD_TOOLS "Build LLVM tool programs." ON)
377 add_subdirectory(tools)
379 option(LLVM_BUILD_EXAMPLES "Build LLVM example programs." OFF)
380 add_subdirectory(examples)
382 install(DIRECTORY include/
389 PATTERN ".svn" EXCLUDE
392 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/
399 # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
400 PATTERN "CMakeFiles" EXCLUDE
401 PATTERN ".svn" EXCLUDE
404 # TODO: make and install documentation.