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 2.6svn)
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)
24 set(LLVM_MAIN_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR})
25 set(LLVM_MAIN_INCLUDE_DIR ${LLVM_MAIN_SRC_DIR}/include)
26 set(LLVM_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
27 set(LLVM_TOOLS_BINARY_DIR ${LLVM_BINARY_DIR}/bin)
28 set(LLVM_EXAMPLES_BINARY_DIR ${LLVM_BINARY_DIR}/examples)
29 set(LLVM_LIBDIR_SUFFIX "" CACHE STRING "Define suffix of library directory name (32/64)" )
31 if( NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR )
33 tablegenned_files_on_include_dir
34 "${LLVM_MAIN_SRC_DIR}/include/llvm/*.gen")
36 tablegenned_files_on_lib_dir
37 "${LLVM_MAIN_SRC_DIR}/lib/Target/*.inc")
38 if( tablegenned_files_on_include_dir OR tablegenned_files_on_lib_dir)
39 message(FATAL_ERROR "Apparently there is a previous in-source build,
40 probably as the result of running `configure' and `make' on
42 This may cause problems. The suspicious files are:
43 ${tablegenned_files_on_lib_dir}
44 ${tablegenned_files_on_include_dir}
45 Please clean the source directory.")
68 set(LLVM_TARGETS_TO_BUILD X86
69 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
71 set(LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS}
72 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
75 option(LLVM_ENABLE_THREADS "Use threads if available." ON)
77 if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
78 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
80 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
83 if( LLVM_ENABLE_ASSERTIONS )
84 # MSVC doesn't like _DEBUG on release builds. See PR 4379.
86 add_definitions( -D_DEBUG )
88 # On Release builds cmake automatically defines NDEBUG, so we
89 # explicitly undefine it:
90 if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
91 add_definitions( -UNDEBUG )
94 if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
95 add_definitions( -DNDEBUG )
99 if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
100 set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
103 set(LLVM_ENUM_TARGETS "")
104 foreach(c ${LLVM_TARGETS_TO_BUILD})
105 list(FIND LLVM_ALL_TARGETS ${c} idx)
107 message(FATAL_ERROR "The target `${c}' does not exists.
108 It should be one of\n${LLVM_ALL_TARGETS}")
110 set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${c})\n")
114 # Produce llvm/Config/Targets.def
116 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in
117 ${LLVM_BINARY_DIR}/include/llvm/Config/Targets.def
120 set(llvm_builded_incs_dir ${LLVM_BINARY_DIR}/include/llvm)
122 # Add path for custom modules
123 set(CMAKE_MODULE_PATH
125 "${LLVM_MAIN_SRC_DIR}/cmake"
126 "${LLVM_MAIN_SRC_DIR}/cmake/modules"
129 include(AddLLVMDefinitions)
139 set(LTDL_SHLIB_EXT ".dll")
141 # Maximum path length is 160 for non-unicode paths
147 set(LTDL_SHLIB_EXT ".so")
149 # FIXME: Maximum path length is currently set to 'safe' fixed value
152 MESSAGE(SEND_ERROR "Unable to determine platform")
156 if( EXISTS ${LLVM_TOOLS_BINARY_DIR}/llvm-config )
157 set(HAVE_LLVM_CONFIG 1)
158 endif( EXISTS ${LLVM_TOOLS_BINARY_DIR}/llvm-config )
162 option(LLVM_ENABLE_PIC "Build Position-Independent Code" OFF)
165 if( LLVM_ENABLE_PIC )
166 if( SUPPORTS_FPIC_FLAG )
167 message(STATUS "Building with -fPIC")
168 add_llvm_definitions(-fPIC)
170 else( SUPPORTS_FPIC_FLAG )
171 message(STATUS "Warning: -fPIC not supported.")
175 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR} )
176 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
177 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
179 # set(CMAKE_VERBOSE_MAKEFILE true)
181 add_llvm_definitions( -D__STDC_LIMIT_MACROS )
182 add_llvm_definitions( -D__STDC_CONSTANT_MACROS )
184 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
185 # TODO: support other platforms and toolchains.
186 option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
187 if( LLVM_BUILD_32_BITS )
188 message(STATUS "Building 32 bits executables and libraries.")
189 add_llvm_definitions( -m32 )
190 list(APPEND CMAKE_EXE_LINKER_FLAGS -m32)
191 list(APPEND CMAKE_SHARED_LINKER_FLAGS -m32)
192 set( LLVM_PLO_FLAGS -melf_i386 ${LLVM_PLO_FLAGS} )
193 endif( LLVM_BUILD_32_BITS )
194 endif( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
197 # List of valid CRTs for MSVC
202 set(LLVM_USE_CRT "" CACHE STRING "Specify VC++ CRT to use for debug/release configurations.")
203 add_llvm_definitions( -D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS )
204 add_llvm_definitions( -D_SCL_SECURE_NO_WARNINGS -DCRT_NONSTDC_NO_WARNINGS )
205 add_llvm_definitions( -D_SCL_SECURE_NO_DEPRECATE )
206 add_llvm_definitions( -wd4146 -wd4503 -wd4996 -wd4800 -wd4244 -wd4624 )
207 add_llvm_definitions( -wd4355 -wd4715 -wd4180 -wd4345 -wd4224 )
209 # Suppress 'new behavior: elements of array 'array' will be default initialized'
210 add_llvm_definitions( -wd4351 )
212 if (NOT ${LLVM_USE_CRT} STREQUAL "")
213 list(FIND MSVC_CRT ${LLVM_USE_CRT} idx)
215 message(FATAL_ERROR "Invalid value for LLVM_USE_CRT: ${LLVM_USE_CRT}. Valid options are one of: ${MSVC_CRT}")
217 add_llvm_definitions("/${LLVM_USE_CRT}")
218 message(STATUS "Using VC++ CRT: ${LLVM_USE_CRT}")
219 endif (NOT ${LLVM_USE_CRT} STREQUAL "")
222 include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR})
227 add_subdirectory(lib/Support)
228 add_subdirectory(lib/System)
230 # Everything else depends on Support and System:
231 set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} ${LLVM_LIBS} )
233 set(LLVM_TABLEGEN "tblgen" CACHE
234 STRING "Native TableGen executable. Saves building one when cross-compiling.")
235 # Effective tblgen executable to be used:
236 set(LLVM_TABLEGEN_EXE ${LLVM_TABLEGEN})
238 add_subdirectory(utils/TableGen)
240 if( CMAKE_CROSSCOMPILING )
241 # This adds a dependency on target `tblgen', so must go after utils/TableGen
242 include( CrossCompileLLVM )
243 endif( CMAKE_CROSSCOMPILING )
245 add_subdirectory(include/llvm)
247 add_subdirectory(lib/VMCore)
248 add_subdirectory(lib/CodeGen)
249 add_subdirectory(lib/CodeGen/SelectionDAG)
250 add_subdirectory(lib/CodeGen/AsmPrinter)
251 add_subdirectory(lib/Bitcode/Reader)
252 add_subdirectory(lib/Bitcode/Writer)
253 add_subdirectory(lib/Transforms/Utils)
254 add_subdirectory(lib/Transforms/Instrumentation)
255 add_subdirectory(lib/Transforms/Scalar)
256 add_subdirectory(lib/Transforms/IPO)
257 add_subdirectory(lib/Transforms/Hello)
258 add_subdirectory(lib/Linker)
259 add_subdirectory(lib/Analysis)
260 add_subdirectory(lib/Analysis/IPA)
261 add_subdirectory(lib/MC)
263 add_subdirectory(utils/FileCheck)
265 set(LLVM_ENUM_ASM_PRINTERS "")
266 set(LLVM_ENUM_ASM_PARSERS "")
267 foreach(t ${LLVM_TARGETS_TO_BUILD})
268 message(STATUS "Targeting ${t}")
269 add_subdirectory(lib/Target/${t})
270 add_subdirectory(lib/Target/${t}/TargetInfo)
271 if( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmPrinter/CMakeLists.txt )
272 add_subdirectory(lib/Target/${t}/AsmPrinter)
273 set(LLVM_ENUM_ASM_PRINTERS
274 "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n")
275 endif( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmPrinter/CMakeLists.txt )
276 if( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmParser/CMakeLists.txt )
277 add_subdirectory(lib/Target/${t}/AsmParser)
278 set(LLVM_ENUM_ASM_PARSERS
279 "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n")
280 endif( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmParser/CMakeLists.txt )
283 # Produce llvm/Config/AsmPrinters.def
285 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in
286 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmPrinters.def
289 # Produce llvm/Config/AsmParsers.def
291 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in
292 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmParsers.def
295 add_subdirectory(lib/ExecutionEngine)
296 add_subdirectory(lib/ExecutionEngine/Interpreter)
297 add_subdirectory(lib/ExecutionEngine/JIT)
298 add_subdirectory(lib/Target)
299 add_subdirectory(lib/AsmParser)
300 add_subdirectory(lib/Debugger)
301 add_subdirectory(lib/Archive)
303 add_subdirectory(projects)
304 add_subdirectory(tools)
306 option(LLVM_EXAMPLES "Build LLVM example programs." OFF)
308 add_subdirectory(examples)
311 install(DIRECTORY include
313 PATTERN ".svn" EXCLUDE
314 PATTERN "*.cmake" EXCLUDE
315 PATTERN "*.in" EXCLUDE
318 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include
322 # TODO: make and install documentation.