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.")
66 set(LLVM_TARGETS_TO_BUILD X86
67 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
69 set(LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS}
70 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
73 set(C_INCLUDE_DIRS "" CACHE STRING
74 "Colon separated list of directories clang will search for headers.")
76 set(LLVM_TARGET_ARCH "host"
77 CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.")
79 option(LLVM_ENABLE_THREADS "Use threads if available." ON)
81 if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
82 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
84 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
87 if( LLVM_ENABLE_ASSERTIONS )
88 # MSVC doesn't like _DEBUG on release builds. See PR 4379.
90 add_definitions( -D_DEBUG )
92 # On Release builds cmake automatically defines NDEBUG, so we
93 # explicitly undefine it:
94 if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
95 add_definitions( -UNDEBUG )
98 if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
99 add_definitions( -DNDEBUG )
103 if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
104 set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
107 set(LLVM_ENUM_TARGETS "")
108 foreach(c ${LLVM_TARGETS_TO_BUILD})
109 list(FIND LLVM_ALL_TARGETS ${c} idx)
111 message(FATAL_ERROR "The target `${c}' does not exist.
112 It should be one of\n${LLVM_ALL_TARGETS}")
114 set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${c})\n")
118 # Produce llvm/Config/Targets.def
120 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in
121 ${LLVM_BINARY_DIR}/include/llvm/Config/Targets.def
124 set(llvm_builded_incs_dir ${LLVM_BINARY_DIR}/include/llvm)
126 # Add path for custom modules
127 set(CMAKE_MODULE_PATH
129 "${LLVM_MAIN_SRC_DIR}/cmake"
130 "${LLVM_MAIN_SRC_DIR}/cmake/modules"
133 include(AddLLVMDefinitions)
143 set(LTDL_SHLIB_EXT ".dll")
145 # Maximum path length is 160 for non-unicode paths
152 set(LTDL_SHLIB_EXT ".dylib")
154 set(LTDL_SHLIB_EXT ".so")
157 # FIXME: Maximum path length is currently set to 'safe' fixed value
160 MESSAGE(SEND_ERROR "Unable to determine platform")
166 option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON)
169 if( LLVM_ENABLE_PIC )
171 # Xcode has -mdynamic-no-pic on by default, which overrides -fPIC. I don't
172 # know how to disable this, so just force ENABLE_PIC off for now.
173 message(STATUS "Warning: -fPIC not supported with Xcode.")
175 if( SUPPORTS_FPIC_FLAG )
176 message(STATUS "Building with -fPIC")
177 add_llvm_definitions(-fPIC)
179 else( SUPPORTS_FPIC_FLAG )
180 message(STATUS "Warning: -fPIC not supported.")
185 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR} )
186 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
187 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
189 # set(CMAKE_VERBOSE_MAKEFILE true)
191 add_llvm_definitions( -D__STDC_LIMIT_MACROS )
192 add_llvm_definitions( -D__STDC_CONSTANT_MACROS )
194 # MSVC has a gazillion warnings with this.
196 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." OFF)
198 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON)
201 option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
202 option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
204 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
205 # TODO: support other platforms and toolchains.
206 option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
207 if( LLVM_BUILD_32_BITS )
208 message(STATUS "Building 32 bits executables and libraries.")
209 add_llvm_definitions( -m32 )
210 list(APPEND CMAKE_EXE_LINKER_FLAGS -m32)
211 list(APPEND CMAKE_SHARED_LINKER_FLAGS -m32)
212 endif( LLVM_BUILD_32_BITS )
213 endif( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
216 # List of valid CRTs for MSVC
221 set(LLVM_USE_CRT "" CACHE STRING "Specify VC++ CRT to use for debug/release configurations.")
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 )
231 if (NOT ${LLVM_USE_CRT} STREQUAL "")
232 list(FIND MSVC_CRT ${LLVM_USE_CRT} idx)
234 message(FATAL_ERROR "Invalid value for LLVM_USE_CRT: ${LLVM_USE_CRT}. Valid options are one of: ${MSVC_CRT}")
236 add_llvm_definitions("/${LLVM_USE_CRT}")
237 message(STATUS "Using VC++ CRT: ${LLVM_USE_CRT}")
238 endif (NOT ${LLVM_USE_CRT} STREQUAL "")
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 )
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(test)
309 add_subdirectory(utils/FileCheck)
310 add_subdirectory(utils/count)
311 add_subdirectory(utils/not)
313 set(LLVM_ENUM_ASM_PRINTERS "")
314 set(LLVM_ENUM_ASM_PARSERS "")
315 set(LLVM_ENUM_DISASSEMBLERS "")
316 foreach(t ${LLVM_TARGETS_TO_BUILD})
317 message(STATUS "Targeting ${t}")
318 add_subdirectory(lib/Target/${t})
319 add_subdirectory(lib/Target/${t}/TargetInfo)
320 if( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmPrinter/CMakeLists.txt )
321 add_subdirectory(lib/Target/${t}/AsmPrinter)
322 set(LLVM_ENUM_ASM_PRINTERS
323 "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n")
324 endif( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmPrinter/CMakeLists.txt )
325 if( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmParser/CMakeLists.txt )
326 add_subdirectory(lib/Target/${t}/AsmParser)
327 set(LLVM_ENUM_ASM_PARSERS
328 "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n")
329 endif( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmParser/CMakeLists.txt )
330 if( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/Disassembler/CMakeLists.txt )
331 add_subdirectory(lib/Target/${t}/Disassembler)
332 set(LLVM_ENUM_DISASSEMBLERS
333 "${LLVM_ENUM_DISASSEMBLERS}LLVM_DISASSEMBLER(${t})\n")
334 endif( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/Disassembler/CMakeLists.txt )
335 set(CURRENT_LLVM_TARGET)
338 # Produce llvm/Config/AsmPrinters.def
340 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in
341 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmPrinters.def
344 # Produce llvm/Config/AsmParsers.def
346 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in
347 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmParsers.def
350 # Produce llvm/Config/Disassemblers.def
352 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Disassemblers.def.in
353 ${LLVM_BINARY_DIR}/include/llvm/Config/Disassemblers.def
356 add_subdirectory(lib/ExecutionEngine)
357 add_subdirectory(lib/ExecutionEngine/Interpreter)
358 add_subdirectory(lib/ExecutionEngine/JIT)
359 add_subdirectory(lib/Target)
360 add_subdirectory(lib/AsmParser)
361 add_subdirectory(lib/Archive)
363 add_subdirectory(projects)
365 option(LLVM_BUILD_TOOLS "Build LLVM tool programs." ON)
366 add_subdirectory(tools)
368 option(LLVM_BUILD_EXAMPLES "Build LLVM example programs." OFF)
369 add_subdirectory(examples)
371 install(DIRECTORY include/
378 PATTERN ".svn" EXCLUDE
381 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/
388 # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
389 PATTERN "CMakeFiles" EXCLUDE
390 PATTERN ".svn" EXCLUDE
393 # TODO: make and install documentation.