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)" )
47 # List of targets whose asmprinters need to be forced to link
48 # into executables on some platforms (i.e. Windows):
49 set(LLVM_ASMPRINTERS_FORCE_LINK X86 PowerPC)
52 set(LLVM_TARGETS_TO_BUILD X86
53 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
55 set(LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS}
56 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
59 option(LLVM_ENABLE_THREADS "Use threads if available." ON)
61 if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
62 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
64 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
67 if( LLVM_ENABLE_ASSERTIONS )
68 add_definitions( -D_DEBUG )
69 # On Release builds cmake automatically defines NDEBUG, so we
70 # explicitly undefine it:
71 if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
72 add_definitions( -UNDEBUG )
75 if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
76 add_definitions( -DNDEBUG )
80 if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
81 set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
84 foreach(c ${LLVM_TARGETS_TO_BUILD})
85 list(FIND LLVM_ALL_TARGETS ${c} idx)
87 message(FATAL_ERROR "The target `${c}' does not exists.
88 It should be one of\n${LLVM_ALL_TARGETS}")
92 set(llvm_builded_incs_dir ${LLVM_BINARY_DIR}/include/llvm)
94 # The USE_EXPLICIT_DEPENDENCIES variable will be TRUE to indicate that
95 # we should use the library dependencies explicitly specified in the
96 # CMakeLists.txt files rather than those determined by
97 # llvm-config. This value must be true for non-make and IDE
100 set(DEFAULT_USE_EXPLICIT_DEPENDENCIES ON)
102 set(DEFAULT_USE_EXPLICIT_DEPENDENCIES ON)
104 set(DEFAULT_USE_EXPLICIT_DEPENDENCIES OFF)
107 option(USE_EXPLICIT_DEPENDENCIES
108 "Use explicit dependencies instead of llvm-config"
109 ${DEFAULT_USE_EXPLICIT_DEPENDENCIES})
110 mark_as_advanced(USE_EXPLICIT_DEPENDENCIES)
112 # Add path for custom modules
113 set(CMAKE_MODULE_PATH
115 "${LLVM_MAIN_SRC_DIR}/cmake"
116 "${LLVM_MAIN_SRC_DIR}/cmake/modules"
119 include(AddLLVMDefinitions)
129 set(LTDL_SHLIB_EXT ".dll")
131 # Maximum path length is 160 for non-unicode paths
137 set(LTDL_SHLIB_EXT ".so")
139 # FIXME: Maximum path length is currently set to 'safe' fixed value
142 MESSAGE(SEND_ERROR "Unable to determine platform")
146 if( EXISTS ${LLVM_TOOLS_BINARY_DIR}/llvm-config )
147 set(HAVE_LLVM_CONFIG 1)
148 endif( EXISTS ${LLVM_TOOLS_BINARY_DIR}/llvm-config )
152 option(LLVM_ENABLE_PIC "Build Position-Independent Code" OFF)
155 if( LLVM_ENABLE_PIC )
156 if( SUPPORTS_FPIC_FLAG )
157 message(STATUS "Building with -fPIC")
158 add_llvm_definitions(-fPIC)
160 else( SUPPORTS_FPIC_FLAG )
161 message(STATUS "Warning: -fPIC not supported.")
165 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR} )
166 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
167 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
169 # set(CMAKE_VERBOSE_MAKEFILE true)
171 add_llvm_definitions( -D__STDC_LIMIT_MACROS )
172 add_llvm_definitions( -D__STDC_CONSTANT_MACROS )
174 set(LLVM_PLO_FLAGS "" CACHE
175 STRING "Flags for creating partially linked objects.")
177 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
178 # TODO: support other platforms and toolchains.
179 option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
180 if( LLVM_BUILD_32_BITS )
181 message(STATUS "Building 32 bits executables and libraries.")
182 add_llvm_definitions( -m32 )
183 list(APPEND CMAKE_EXE_LINKER_FLAGS -m32)
184 list(APPEND CMAKE_SHARED_LINKER_FLAGS -m32)
185 set( LLVM_PLO_FLAGS -melf_i386 ${LLVM_PLO_FLAGS} )
186 endif( LLVM_BUILD_32_BITS )
187 endif( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
190 # List of valid CRTs for MSVC
195 set(LLVM_USE_CRT "" CACHE STRING "Specify VC++ CRT to use for debug/release configurations.")
196 add_llvm_definitions( -D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS )
197 add_llvm_definitions( -D_SCL_SECURE_NO_WARNINGS -DCRT_NONSTDC_NO_WARNINGS )
198 add_llvm_definitions( -D_SCL_SECURE_NO_DEPRECATE )
199 add_llvm_definitions( -wd4146 -wd4503 -wd4996 -wd4800 -wd4244 -wd4624 )
200 add_llvm_definitions( -wd4355 -wd4715 -wd4180 -wd4345 -wd4224 )
202 if (NOT ${LLVM_USE_CRT} STREQUAL "")
203 list(FIND MSVC_CRT ${LLVM_USE_CRT} idx)
205 message(FATAL_ERROR "Invalid value for LLVM_USE_CRT: ${LLVM_USE_CRT}. Valid options are one of: ${MSVC_CRT}")
207 add_llvm_definitions("/${LLVM_USE_CRT}")
208 message(STATUS "Using VC++ CRT: ${LLVM_USE_CRT}")
209 endif (NOT ${LLVM_USE_CRT} STREQUAL "")
212 include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR})
215 include(AddPartiallyLinkedObject)
218 add_subdirectory(lib/Support)
219 add_subdirectory(lib/System)
221 # Everything else depends on Support and System:
222 set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} ${LLVM_LIBS} )
224 set(LLVM_TABLEGEN "tblgen" CACHE
225 STRING "Native TableGen executable. Saves building one when cross-compiling.")
226 # Effective tblgen executable to be used:
227 set(LLVM_TABLEGEN_EXE ${LLVM_TABLEGEN})
229 add_subdirectory(utils/TableGen)
231 if( CMAKE_CROSSCOMPILING )
232 # This adds a dependency on target `tblgen', so must go after utils/TableGen
233 include( CrossCompileLLVM )
234 endif( CMAKE_CROSSCOMPILING )
236 add_subdirectory(include/llvm)
238 add_subdirectory(lib/VMCore)
239 add_subdirectory(lib/CodeGen)
240 add_subdirectory(lib/CodeGen/SelectionDAG)
241 add_subdirectory(lib/CodeGen/AsmPrinter)
242 add_subdirectory(lib/Bitcode/Reader)
243 add_subdirectory(lib/Bitcode/Writer)
244 add_subdirectory(lib/Transforms/Utils)
245 add_subdirectory(lib/Transforms/Instrumentation)
246 add_subdirectory(lib/Transforms/Scalar)
247 add_subdirectory(lib/Transforms/IPO)
248 add_subdirectory(lib/Transforms/Hello)
249 add_subdirectory(lib/Linker)
250 add_subdirectory(lib/Analysis)
251 add_subdirectory(lib/Analysis/IPA)
253 foreach(t ${LLVM_TARGETS_TO_BUILD})
254 message(STATUS "Targeting ${t}")
255 add_subdirectory(lib/Target/${t})
256 if( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmPrinter/CMakeLists.txt )
257 add_subdirectory(lib/Target/${t}/AsmPrinter)
258 endif( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmPrinter/CMakeLists.txt )
261 add_subdirectory(lib/ExecutionEngine)
262 add_subdirectory(lib/ExecutionEngine/Interpreter)
263 add_subdirectory(lib/ExecutionEngine/JIT)
264 add_subdirectory(lib/Target)
265 add_subdirectory(lib/AsmParser)
266 add_subdirectory(lib/Debugger)
267 add_subdirectory(lib/Archive)
269 add_subdirectory(projects)
270 add_subdirectory(tools)
272 add_subdirectory(examples)
274 install(DIRECTORY include
276 PATTERN ".svn" EXCLUDE
277 PATTERN "*.cmake" EXCLUDE
278 PATTERN "*.in" EXCLUDE
281 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include
285 # TODO: make and install documentation.