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 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON)
195 option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
196 option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
198 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
199 # TODO: support other platforms and toolchains.
200 option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
201 if( LLVM_BUILD_32_BITS )
202 message(STATUS "Building 32 bits executables and libraries.")
203 add_llvm_definitions( -m32 )
204 list(APPEND CMAKE_EXE_LINKER_FLAGS -m32)
205 list(APPEND CMAKE_SHARED_LINKER_FLAGS -m32)
206 endif( LLVM_BUILD_32_BITS )
207 endif( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
210 # List of valid CRTs for MSVC
215 set(LLVM_USE_CRT "" CACHE STRING "Specify VC++ CRT to use for debug/release configurations.")
216 add_llvm_definitions( -D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS )
217 add_llvm_definitions( -D_SCL_SECURE_NO_WARNINGS -DCRT_NONSTDC_NO_WARNINGS )
218 add_llvm_definitions( -D_SCL_SECURE_NO_DEPRECATE )
219 add_llvm_definitions( -wd4146 -wd4503 -wd4996 -wd4800 -wd4244 -wd4624 )
220 add_llvm_definitions( -wd4355 -wd4715 -wd4180 -wd4345 -wd4224 )
222 # Suppress 'new behavior: elements of array 'array' will be default initialized'
223 add_llvm_definitions( -wd4351 )
225 if (NOT ${LLVM_USE_CRT} STREQUAL "")
226 list(FIND MSVC_CRT ${LLVM_USE_CRT} idx)
228 message(FATAL_ERROR "Invalid value for LLVM_USE_CRT: ${LLVM_USE_CRT}. Valid options are one of: ${MSVC_CRT}")
230 add_llvm_definitions("/${LLVM_USE_CRT}")
231 message(STATUS "Using VC++ CRT: ${LLVM_USE_CRT}")
232 endif (NOT ${LLVM_USE_CRT} STREQUAL "")
235 if (LLVM_ENABLE_WARNINGS)
236 add_llvm_definitions( /W4 /Wall )
237 if (LLVM_ENABLE_PEDANTIC)
238 # No MSVC equivalent available
239 endif (LLVM_ENABLE_PEDANTIC)
240 endif (LLVM_ENABLE_WARNINGS)
241 if (LLVM_ENABLE_WERROR)
242 add_llvm_definitions( /WX )
243 endif (LLVM_ENABLE_WERROR)
244 elseif( CMAKE_COMPILER_IS_GNUCXX )
245 if (LLVM_ENABLE_WARNINGS)
246 add_llvm_definitions( -Wall -W -Wno-unused-parameter -Wwrite-strings )
247 if (LLVM_ENABLE_PEDANTIC)
248 add_llvm_definitions( -pedantic -Wno-long-long )
249 endif (LLVM_ENABLE_PEDANTIC)
250 endif (LLVM_ENABLE_WARNINGS)
251 if (LLVM_ENABLE_WERROR)
252 add_llvm_definitions( -Werror )
253 endif (LLVM_ENABLE_WERROR)
256 include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR})
258 if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
259 SET(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} "-include llvm/System/Solaris.h")
260 endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
265 add_subdirectory(lib/Support)
266 add_subdirectory(lib/System)
268 # Everything else depends on Support and System:
269 set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} ${LLVM_LIBS} )
271 set(LLVM_TABLEGEN "tblgen" CACHE
272 STRING "Native TableGen executable. Saves building one when cross-compiling.")
273 # Effective tblgen executable to be used:
274 set(LLVM_TABLEGEN_EXE ${LLVM_TABLEGEN})
276 add_subdirectory(utils/TableGen)
278 if( CMAKE_CROSSCOMPILING )
279 # This adds a dependency on target `tblgen', so must go after utils/TableGen
280 include( CrossCompileLLVM )
281 endif( CMAKE_CROSSCOMPILING )
283 add_subdirectory(include/llvm)
285 add_subdirectory(lib/VMCore)
286 add_subdirectory(lib/CodeGen)
287 add_subdirectory(lib/CodeGen/SelectionDAG)
288 add_subdirectory(lib/CodeGen/AsmPrinter)
289 add_subdirectory(lib/Bitcode/Reader)
290 add_subdirectory(lib/Bitcode/Writer)
291 add_subdirectory(lib/Transforms/Utils)
292 add_subdirectory(lib/Transforms/Instrumentation)
293 add_subdirectory(lib/Transforms/Scalar)
294 add_subdirectory(lib/Transforms/IPO)
295 add_subdirectory(lib/Transforms/Hello)
296 add_subdirectory(lib/Linker)
297 add_subdirectory(lib/Analysis)
298 add_subdirectory(lib/Analysis/IPA)
299 add_subdirectory(lib/MC)
300 add_subdirectory(test)
302 add_subdirectory(utils/FileCheck)
303 add_subdirectory(utils/count)
304 add_subdirectory(utils/not)
306 set(LLVM_ENUM_ASM_PRINTERS "")
307 set(LLVM_ENUM_ASM_PARSERS "")
308 set(LLVM_ENUM_DISASSEMBLERS "")
309 foreach(t ${LLVM_TARGETS_TO_BUILD})
310 message(STATUS "Targeting ${t}")
311 add_subdirectory(lib/Target/${t})
312 add_subdirectory(lib/Target/${t}/TargetInfo)
313 if( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmPrinter/CMakeLists.txt )
314 add_subdirectory(lib/Target/${t}/AsmPrinter)
315 set(LLVM_ENUM_ASM_PRINTERS
316 "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n")
317 endif( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmPrinter/CMakeLists.txt )
318 if( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmParser/CMakeLists.txt )
319 add_subdirectory(lib/Target/${t}/AsmParser)
320 set(LLVM_ENUM_ASM_PARSERS
321 "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n")
322 endif( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmParser/CMakeLists.txt )
323 if( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/Disassembler/CMakeLists.txt )
324 add_subdirectory(lib/Target/${t}/Disassembler)
325 set(LLVM_ENUM_DISASSEMBLERS
326 "${LLVM_ENUM_DISASSEMBLERS}LLVM_DISASSEMBLER(${t})\n")
327 endif( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/Disassembler/CMakeLists.txt )
328 set(CURRENT_LLVM_TARGET)
331 # Produce llvm/Config/AsmPrinters.def
333 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in
334 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmPrinters.def
337 # Produce llvm/Config/AsmParsers.def
339 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in
340 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmParsers.def
343 # Produce llvm/Config/Disassemblers.def
345 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Disassemblers.def.in
346 ${LLVM_BINARY_DIR}/include/llvm/Config/Disassemblers.def
349 add_subdirectory(lib/ExecutionEngine)
350 add_subdirectory(lib/ExecutionEngine/Interpreter)
351 add_subdirectory(lib/ExecutionEngine/JIT)
352 add_subdirectory(lib/Target)
353 add_subdirectory(lib/AsmParser)
354 add_subdirectory(lib/Archive)
356 add_subdirectory(projects)
358 option(LLVM_BUILD_TOOLS "Build LLVM tool programs." ON)
359 add_subdirectory(tools)
361 option(LLVM_BUILD_EXAMPLES "Build LLVM example programs." OFF)
362 add_subdirectory(examples)
364 install(DIRECTORY include/
371 PATTERN ".svn" EXCLUDE
374 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/
381 # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
382 PATTERN "CMakeFiles" EXCLUDE
383 PATTERN ".svn" EXCLUDE
386 # TODO: make and install documentation.