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(LLVM_TARGET_ARCH "host"
74 CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.")
76 option(LLVM_ENABLE_THREADS "Use threads if available." ON)
78 if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
79 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
81 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
84 if( LLVM_ENABLE_ASSERTIONS )
85 # MSVC doesn't like _DEBUG on release builds. See PR 4379.
87 add_definitions( -D_DEBUG )
89 # On Release builds cmake automatically defines NDEBUG, so we
90 # explicitly undefine it:
91 if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
92 add_definitions( -UNDEBUG )
95 if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
96 add_definitions( -DNDEBUG )
100 if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
101 set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
104 set(LLVM_ENUM_TARGETS "")
105 foreach(c ${LLVM_TARGETS_TO_BUILD})
106 list(FIND LLVM_ALL_TARGETS ${c} idx)
108 message(FATAL_ERROR "The target `${c}' does not exist.
109 It should be one of\n${LLVM_ALL_TARGETS}")
111 set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${c})\n")
115 # Produce llvm/Config/Targets.def
117 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in
118 ${LLVM_BINARY_DIR}/include/llvm/Config/Targets.def
121 set(llvm_builded_incs_dir ${LLVM_BINARY_DIR}/include/llvm)
123 # Add path for custom modules
124 set(CMAKE_MODULE_PATH
126 "${LLVM_MAIN_SRC_DIR}/cmake"
127 "${LLVM_MAIN_SRC_DIR}/cmake/modules"
130 include(AddLLVMDefinitions)
140 set(LTDL_SHLIB_EXT ".dll")
142 # Maximum path length is 160 for non-unicode paths
149 set(LTDL_SHLIB_EXT ".dylib")
151 set(LTDL_SHLIB_EXT ".so")
154 # FIXME: Maximum path length is currently set to 'safe' fixed value
157 MESSAGE(SEND_ERROR "Unable to determine platform")
163 option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON)
166 if( LLVM_ENABLE_PIC )
168 # Xcode has -mdynamic-no-pic on by default, which overrides -fPIC. I don't
169 # know how to disable this, so just force ENABLE_PIC off for now.
170 message(STATUS "Warning: -fPIC not supported with Xcode.")
172 if( SUPPORTS_FPIC_FLAG )
173 message(STATUS "Building with -fPIC")
174 add_llvm_definitions(-fPIC)
176 else( SUPPORTS_FPIC_FLAG )
177 message(STATUS "Warning: -fPIC not supported.")
182 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR} )
183 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
184 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
186 # set(CMAKE_VERBOSE_MAKEFILE true)
188 add_llvm_definitions( -D__STDC_LIMIT_MACROS )
189 add_llvm_definitions( -D__STDC_CONSTANT_MACROS )
191 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
192 # TODO: support other platforms and toolchains.
193 option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
194 if( LLVM_BUILD_32_BITS )
195 message(STATUS "Building 32 bits executables and libraries.")
196 add_llvm_definitions( -m32 )
197 list(APPEND CMAKE_EXE_LINKER_FLAGS -m32)
198 list(APPEND CMAKE_SHARED_LINKER_FLAGS -m32)
199 endif( LLVM_BUILD_32_BITS )
200 endif( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
203 # List of valid CRTs for MSVC
208 set(LLVM_USE_CRT "" CACHE STRING "Specify VC++ CRT to use for debug/release configurations.")
209 add_llvm_definitions( -D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS )
210 add_llvm_definitions( -D_SCL_SECURE_NO_WARNINGS -DCRT_NONSTDC_NO_WARNINGS )
211 add_llvm_definitions( -D_SCL_SECURE_NO_DEPRECATE )
212 add_llvm_definitions( -wd4146 -wd4503 -wd4996 -wd4800 -wd4244 -wd4624 )
213 add_llvm_definitions( -wd4355 -wd4715 -wd4180 -wd4345 -wd4224 )
215 # Suppress 'new behavior: elements of array 'array' will be default initialized'
216 add_llvm_definitions( -wd4351 )
218 if (NOT ${LLVM_USE_CRT} STREQUAL "")
219 list(FIND MSVC_CRT ${LLVM_USE_CRT} idx)
221 message(FATAL_ERROR "Invalid value for LLVM_USE_CRT: ${LLVM_USE_CRT}. Valid options are one of: ${MSVC_CRT}")
223 add_llvm_definitions("/${LLVM_USE_CRT}")
224 message(STATUS "Using VC++ CRT: ${LLVM_USE_CRT}")
225 endif (NOT ${LLVM_USE_CRT} STREQUAL "")
228 include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR})
230 if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
231 SET(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} "-include llvm/System/Solaris.h")
232 endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
237 add_subdirectory(lib/Support)
238 add_subdirectory(lib/System)
240 # Everything else depends on Support and System:
241 set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} ${LLVM_LIBS} )
243 set(LLVM_TABLEGEN "tblgen" CACHE
244 STRING "Native TableGen executable. Saves building one when cross-compiling.")
245 # Effective tblgen executable to be used:
246 set(LLVM_TABLEGEN_EXE ${LLVM_TABLEGEN})
248 add_subdirectory(utils/TableGen)
250 if( CMAKE_CROSSCOMPILING )
251 # This adds a dependency on target `tblgen', so must go after utils/TableGen
252 include( CrossCompileLLVM )
253 endif( CMAKE_CROSSCOMPILING )
255 add_subdirectory(include/llvm)
257 add_subdirectory(lib/VMCore)
258 add_subdirectory(lib/CodeGen)
259 add_subdirectory(lib/CodeGen/SelectionDAG)
260 add_subdirectory(lib/CodeGen/AsmPrinter)
261 add_subdirectory(lib/Bitcode/Reader)
262 add_subdirectory(lib/Bitcode/Writer)
263 add_subdirectory(lib/Transforms/Utils)
264 add_subdirectory(lib/Transforms/Instrumentation)
265 add_subdirectory(lib/Transforms/Scalar)
266 add_subdirectory(lib/Transforms/IPO)
267 add_subdirectory(lib/Transforms/Hello)
268 add_subdirectory(lib/Linker)
269 add_subdirectory(lib/Analysis)
270 add_subdirectory(lib/Analysis/IPA)
271 add_subdirectory(lib/MC)
272 add_subdirectory(test)
274 add_subdirectory(utils/FileCheck)
275 add_subdirectory(utils/count)
276 add_subdirectory(utils/not)
278 set(LLVM_ENUM_ASM_PRINTERS "")
279 set(LLVM_ENUM_ASM_PARSERS "")
280 foreach(t ${LLVM_TARGETS_TO_BUILD})
281 message(STATUS "Targeting ${t}")
282 add_subdirectory(lib/Target/${t})
283 add_subdirectory(lib/Target/${t}/TargetInfo)
284 if( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmPrinter/CMakeLists.txt )
285 add_subdirectory(lib/Target/${t}/AsmPrinter)
286 set(LLVM_ENUM_ASM_PRINTERS
287 "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n")
288 endif( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmPrinter/CMakeLists.txt )
289 if( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmParser/CMakeLists.txt )
290 add_subdirectory(lib/Target/${t}/AsmParser)
291 set(LLVM_ENUM_ASM_PARSERS
292 "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n")
293 endif( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmParser/CMakeLists.txt )
294 set(CURRENT_LLVM_TARGET)
297 # Produce llvm/Config/AsmPrinters.def
299 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in
300 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmPrinters.def
303 # Produce llvm/Config/AsmParsers.def
305 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in
306 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmParsers.def
309 add_subdirectory(lib/ExecutionEngine)
310 add_subdirectory(lib/ExecutionEngine/Interpreter)
311 add_subdirectory(lib/ExecutionEngine/JIT)
312 add_subdirectory(lib/Target)
313 add_subdirectory(lib/AsmParser)
314 add_subdirectory(lib/Archive)
316 add_subdirectory(projects)
318 option(LLVM_BUILD_TOOLS "Build LLVM tool programs." ON)
320 add_subdirectory(tools)
323 option(LLVM_BUILD_EXAMPLES "Build LLVM example programs." ON)
324 if(LLVM_BUILD_EXAMPLES)
325 add_subdirectory(examples)
328 install(DIRECTORY include/
335 PATTERN ".svn" EXCLUDE
338 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/
345 # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
346 PATTERN "CMakeFiles" EXCLUDE
347 PATTERN ".svn" EXCLUDE
350 # TODO: make and install documentation.