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)
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 option(LLVM_ENABLE_THREADS "Use threads if available." ON)
75 if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
76 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
78 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
81 if( LLVM_ENABLE_ASSERTIONS )
82 # MSVC doesn't like _DEBUG on release builds. See PR 4379.
84 add_definitions( -D_DEBUG )
86 # On Release builds cmake automatically defines NDEBUG, so we
87 # explicitly undefine it:
88 if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
89 add_definitions( -UNDEBUG )
92 if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
93 add_definitions( -DNDEBUG )
97 if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" AND NOT LLVM_ENABLE_ASSERTIONS )
98 set( LLVM_COMPACT_SENTINELS 1 )
99 else( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" AND NOT LLVM_ENABLE_ASSERTIONS )
100 set( LLVM_COMPACT_SENTINELS 0 )
101 endif( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" AND NOT LLVM_ENABLE_ASSERTIONS )
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
151 set(LTDL_SHLIB_EXT ".so")
153 # FIXME: Maximum path length is currently set to 'safe' fixed value
156 MESSAGE(SEND_ERROR "Unable to determine platform")
162 option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON)
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 endif( LLVM_BUILD_32_BITS )
193 endif( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
196 # List of valid CRTs for MSVC
201 set(LLVM_USE_CRT "" CACHE STRING "Specify VC++ CRT to use for debug/release configurations.")
202 add_llvm_definitions( -D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS )
203 add_llvm_definitions( -D_SCL_SECURE_NO_WARNINGS -DCRT_NONSTDC_NO_WARNINGS )
204 add_llvm_definitions( -D_SCL_SECURE_NO_DEPRECATE )
205 add_llvm_definitions( -wd4146 -wd4503 -wd4996 -wd4800 -wd4244 -wd4624 )
206 add_llvm_definitions( -wd4355 -wd4715 -wd4180 -wd4345 -wd4224 )
208 # Suppress 'new behavior: elements of array 'array' will be default initialized'
209 add_llvm_definitions( -wd4351 )
211 if (NOT ${LLVM_USE_CRT} STREQUAL "")
212 list(FIND MSVC_CRT ${LLVM_USE_CRT} idx)
214 message(FATAL_ERROR "Invalid value for LLVM_USE_CRT: ${LLVM_USE_CRT}. Valid options are one of: ${MSVC_CRT}")
216 add_llvm_definitions("/${LLVM_USE_CRT}")
217 message(STATUS "Using VC++ CRT: ${LLVM_USE_CRT}")
218 endif (NOT ${LLVM_USE_CRT} STREQUAL "")
221 include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR})
226 add_subdirectory(lib/Support)
227 add_subdirectory(lib/System)
229 # Everything else depends on Support and System:
230 set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} ${LLVM_LIBS} )
232 set(LLVM_TABLEGEN "tblgen" CACHE
233 STRING "Native TableGen executable. Saves building one when cross-compiling.")
234 # Effective tblgen executable to be used:
235 set(LLVM_TABLEGEN_EXE ${LLVM_TABLEGEN})
237 add_subdirectory(utils/TableGen)
239 if( CMAKE_CROSSCOMPILING )
240 # This adds a dependency on target `tblgen', so must go after utils/TableGen
241 include( CrossCompileLLVM )
242 endif( CMAKE_CROSSCOMPILING )
244 add_subdirectory(include/llvm)
246 add_subdirectory(lib/VMCore)
247 add_subdirectory(lib/CodeGen)
248 add_subdirectory(lib/CodeGen/SelectionDAG)
249 add_subdirectory(lib/CodeGen/AsmPrinter)
250 add_subdirectory(lib/Bitcode/Reader)
251 add_subdirectory(lib/Bitcode/Writer)
252 add_subdirectory(lib/Transforms/Utils)
253 add_subdirectory(lib/Transforms/Instrumentation)
254 add_subdirectory(lib/Transforms/Scalar)
255 add_subdirectory(lib/Transforms/IPO)
256 add_subdirectory(lib/Transforms/Hello)
257 add_subdirectory(lib/Linker)
258 add_subdirectory(lib/Analysis)
259 add_subdirectory(lib/Analysis/IPA)
260 add_subdirectory(lib/MC)
262 add_subdirectory(utils/FileCheck)
264 set(LLVM_ENUM_ASM_PRINTERS "")
265 set(LLVM_ENUM_ASM_PARSERS "")
266 foreach(t ${LLVM_TARGETS_TO_BUILD})
267 message(STATUS "Targeting ${t}")
268 add_subdirectory(lib/Target/${t})
269 add_subdirectory(lib/Target/${t}/TargetInfo)
270 if( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmPrinter/CMakeLists.txt )
271 add_subdirectory(lib/Target/${t}/AsmPrinter)
272 set(LLVM_ENUM_ASM_PRINTERS
273 "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n")
274 endif( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmPrinter/CMakeLists.txt )
275 if( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmParser/CMakeLists.txt )
276 add_subdirectory(lib/Target/${t}/AsmParser)
277 set(LLVM_ENUM_ASM_PARSERS
278 "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n")
279 endif( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmParser/CMakeLists.txt )
280 set(CURRENT_LLVM_TARGET)
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)
305 option(LLVM_BUILD_TOOLS "Build LLVM tool programs." ON)
307 add_subdirectory(tools)
310 option(LLVM_BUILD_EXAMPLES "Build LLVM example programs." ON)
311 if(LLVM_BUILD_EXAMPLES)
312 add_subdirectory(examples)
315 install(DIRECTORY include
317 PATTERN ".svn" EXCLUDE
318 PATTERN "*.cmake" EXCLUDE
319 PATTERN "*.in" EXCLUDE
320 PATTERN "*.tmp" EXCLUDE
323 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include
327 # TODO: make and install documentation.