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 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
195 # TODO: support other platforms and toolchains.
196 option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
197 if( LLVM_BUILD_32_BITS )
198 message(STATUS "Building 32 bits executables and libraries.")
199 add_llvm_definitions( -m32 )
200 list(APPEND CMAKE_EXE_LINKER_FLAGS -m32)
201 list(APPEND CMAKE_SHARED_LINKER_FLAGS -m32)
202 endif( LLVM_BUILD_32_BITS )
203 endif( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
206 # List of valid CRTs for MSVC
211 set(LLVM_USE_CRT "" CACHE STRING "Specify VC++ CRT to use for debug/release configurations.")
212 add_llvm_definitions( -D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS )
213 add_llvm_definitions( -D_SCL_SECURE_NO_WARNINGS -DCRT_NONSTDC_NO_WARNINGS )
214 add_llvm_definitions( -D_SCL_SECURE_NO_DEPRECATE )
215 add_llvm_definitions( -wd4146 -wd4503 -wd4996 -wd4800 -wd4244 -wd4624 )
216 add_llvm_definitions( -wd4355 -wd4715 -wd4180 -wd4345 -wd4224 )
218 # Suppress 'new behavior: elements of array 'array' will be default initialized'
219 add_llvm_definitions( -wd4351 )
221 if (NOT ${LLVM_USE_CRT} STREQUAL "")
222 list(FIND MSVC_CRT ${LLVM_USE_CRT} idx)
224 message(FATAL_ERROR "Invalid value for LLVM_USE_CRT: ${LLVM_USE_CRT}. Valid options are one of: ${MSVC_CRT}")
226 add_llvm_definitions("/${LLVM_USE_CRT}")
227 message(STATUS "Using VC++ CRT: ${LLVM_USE_CRT}")
228 endif (NOT ${LLVM_USE_CRT} STREQUAL "")
231 include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR})
233 if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
234 SET(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} "-include llvm/System/Solaris.h")
235 endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
240 add_subdirectory(lib/Support)
241 add_subdirectory(lib/System)
243 # Everything else depends on Support and System:
244 set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} ${LLVM_LIBS} )
246 set(LLVM_TABLEGEN "tblgen" CACHE
247 STRING "Native TableGen executable. Saves building one when cross-compiling.")
248 # Effective tblgen executable to be used:
249 set(LLVM_TABLEGEN_EXE ${LLVM_TABLEGEN})
251 add_subdirectory(utils/TableGen)
253 if( CMAKE_CROSSCOMPILING )
254 # This adds a dependency on target `tblgen', so must go after utils/TableGen
255 include( CrossCompileLLVM )
256 endif( CMAKE_CROSSCOMPILING )
258 add_subdirectory(include/llvm)
260 add_subdirectory(lib/VMCore)
261 add_subdirectory(lib/CodeGen)
262 add_subdirectory(lib/CodeGen/SelectionDAG)
263 add_subdirectory(lib/CodeGen/AsmPrinter)
264 add_subdirectory(lib/Bitcode/Reader)
265 add_subdirectory(lib/Bitcode/Writer)
266 add_subdirectory(lib/Transforms/Utils)
267 add_subdirectory(lib/Transforms/Instrumentation)
268 add_subdirectory(lib/Transforms/Scalar)
269 add_subdirectory(lib/Transforms/IPO)
270 add_subdirectory(lib/Transforms/Hello)
271 add_subdirectory(lib/Linker)
272 add_subdirectory(lib/Analysis)
273 add_subdirectory(lib/Analysis/IPA)
274 add_subdirectory(lib/MC)
275 add_subdirectory(test)
277 add_subdirectory(utils/FileCheck)
278 add_subdirectory(utils/count)
279 add_subdirectory(utils/not)
281 set(LLVM_ENUM_ASM_PRINTERS "")
282 set(LLVM_ENUM_ASM_PARSERS "")
283 foreach(t ${LLVM_TARGETS_TO_BUILD})
284 message(STATUS "Targeting ${t}")
285 add_subdirectory(lib/Target/${t})
286 add_subdirectory(lib/Target/${t}/TargetInfo)
287 if( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmPrinter/CMakeLists.txt )
288 add_subdirectory(lib/Target/${t}/AsmPrinter)
289 set(LLVM_ENUM_ASM_PRINTERS
290 "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n")
291 endif( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmPrinter/CMakeLists.txt )
292 if( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmParser/CMakeLists.txt )
293 add_subdirectory(lib/Target/${t}/AsmParser)
294 set(LLVM_ENUM_ASM_PARSERS
295 "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n")
296 endif( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmParser/CMakeLists.txt )
297 set(CURRENT_LLVM_TARGET)
300 # Produce llvm/Config/AsmPrinters.def
302 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in
303 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmPrinters.def
306 # Produce llvm/Config/AsmParsers.def
308 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in
309 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmParsers.def
312 add_subdirectory(lib/ExecutionEngine)
313 add_subdirectory(lib/ExecutionEngine/Interpreter)
314 add_subdirectory(lib/ExecutionEngine/JIT)
315 add_subdirectory(lib/Target)
316 add_subdirectory(lib/AsmParser)
317 add_subdirectory(lib/Archive)
319 add_subdirectory(projects)
321 option(LLVM_BUILD_TOOLS "Build LLVM tool programs." ON)
323 add_subdirectory(tools)
326 option(LLVM_BUILD_EXAMPLES "Build LLVM example programs." ON)
327 if(LLVM_BUILD_EXAMPLES)
328 add_subdirectory(examples)
331 install(DIRECTORY include/
338 PATTERN ".svn" EXCLUDE
341 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/
348 # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
349 PATTERN "CMakeFiles" EXCLUDE
350 PATTERN ".svn" EXCLUDE
353 # TODO: make and install documentation.