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)
46 # List of targets whose asmprinters need to be forced to link
47 # into executables on some platforms (i.e. Windows):
48 set(LLVM_ASMPRINTERS_FORCE_LINK X86 PowerPC)
51 set(LLVM_TARGETS_TO_BUILD X86
52 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
54 set(LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS}
55 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
58 option(LLVM_ENABLE_THREADS "Use threads if available." ON)
60 if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
61 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
63 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
66 if( LLVM_ENABLE_ASSERTIONS )
67 add_definitions( -D_DEBUG )
68 # On Release builds cmake automatically defines NDEBUG, so we
69 # explicitly undefine it:
70 if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
71 add_definitions( -UNDEBUG )
74 if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
75 add_definitions( -DNDEBUG )
79 if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
80 set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
83 foreach(c ${LLVM_TARGETS_TO_BUILD})
84 list(FIND LLVM_ALL_TARGETS ${c} idx)
86 message(FATAL_ERROR "The target `${c}' does not exists.
87 It should be one of\n${LLVM_ALL_TARGETS}")
91 set(llvm_builded_incs_dir ${LLVM_BINARY_DIR}/include/llvm)
93 # The USE_EXPLICIT_DEPENDENCIES variable will be TRUE to indicate that
94 # we should use the library dependencies explicitly specified in the
95 # CMakeLists.txt files rather than those determined by
96 # llvm-config. This value must be true for non-make and IDE
99 set(DEFAULT_USE_EXPLICIT_DEPENDENCIES ON)
101 set(DEFAULT_USE_EXPLICIT_DEPENDENCIES ON)
103 set(DEFAULT_USE_EXPLICIT_DEPENDENCIES OFF)
106 option(USE_EXPLICIT_DEPENDENCIES
107 "Use explicit dependencies instead of llvm-config"
108 ${DEFAULT_USE_EXPLICIT_DEPENDENCIES})
109 mark_as_advanced(USE_EXPLICIT_DEPENDENCIES)
111 # Add path for custom modules
112 set(CMAKE_MODULE_PATH
114 "${LLVM_MAIN_SRC_DIR}/cmake"
115 "${LLVM_MAIN_SRC_DIR}/cmake/modules"
118 include(AddLLVMDefinitions)
128 set(LTDL_SHLIB_EXT ".dll")
130 # Maximum path length is 160 for non-unicode paths
136 set(LTDL_SHLIB_EXT ".so")
138 # FIXME: Maximum path length is currently set to 'safe' fixed value
141 MESSAGE(SEND_ERROR "Unable to determine platform")
145 if( EXISTS ${LLVM_TOOLS_BINARY_DIR}/llvm-config )
146 set(HAVE_LLVM_CONFIG 1)
147 endif( EXISTS ${LLVM_TOOLS_BINARY_DIR}/llvm-config )
151 option(LLVM_ENABLE_PIC "Build Position-Independent Code" OFF)
154 if( LLVM_ENABLE_PIC )
155 if( SUPPORTS_FPIC_FLAG )
156 message(STATUS "Building with -fPIC")
157 add_llvm_definitions(-fPIC)
159 else( SUPPORTS_FPIC_FLAG )
160 message(STATUS "Warning: -fPIC not supported.")
164 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR} )
165 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
166 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
168 # set(CMAKE_VERBOSE_MAKEFILE true)
170 add_llvm_definitions( -D__STDC_LIMIT_MACROS )
171 add_llvm_definitions( -D__STDC_CONSTANT_MACROS )
173 set(LLVM_PLO_FLAGS "" CACHE
174 STRING "Flags for creating partially linked objects.")
176 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
177 # TODO: support other platforms and toolchains.
178 option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
179 if( LLVM_BUILD_32_BITS )
180 message(STATUS "Building 32 bits executables and libraries.")
181 add_llvm_definitions( -m32 )
182 list(APPEND CMAKE_EXE_LINKER_FLAGS -m32)
183 list(APPEND CMAKE_SHARED_LINKER_FLAGS -m32)
184 set( LLVM_PLO_FLAGS -melf_i386 ${LLVM_PLO_FLAGS} )
185 endif( LLVM_BUILD_32_BITS )
186 endif( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
189 add_llvm_definitions( -D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS )
190 add_llvm_definitions( -D_SCL_SECURE_NO_WARNINGS -DCRT_NONSTDC_NO_WARNINGS )
191 add_llvm_definitions( -D_SCL_SECURE_NO_DEPRECATE )
192 add_llvm_definitions( -wd4146 -wd4503 -wd4996 -wd4800 -wd4244 -wd4624 )
193 add_llvm_definitions( -wd4355 -wd4715 -wd4180 -wd4345 -wd4224 )
196 include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR})
199 include(AddPartiallyLinkedObject)
202 add_subdirectory(lib/Support)
203 add_subdirectory(lib/System)
205 # Everything else depends on Support and System:
206 set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} ${LLVM_LIBS} )
208 set(LLVM_TABLEGEN "tblgen" CACHE
209 STRING "Native TableGen executable. Saves building one when cross-compiling.")
211 add_subdirectory(utils/TableGen)
213 if( CMAKE_CROSSCOMPILING )
214 # This adds a dependency on target `tblgen', so must go after utils/TableGen
215 include( CrossCompileLLVM )
216 endif( CMAKE_CROSSCOMPILING )
218 add_subdirectory(include/llvm)
220 add_subdirectory(lib/VMCore)
221 add_subdirectory(lib/CodeGen)
222 add_subdirectory(lib/CodeGen/SelectionDAG)
223 add_subdirectory(lib/CodeGen/AsmPrinter)
224 add_subdirectory(lib/Bitcode/Reader)
225 add_subdirectory(lib/Bitcode/Writer)
226 add_subdirectory(lib/Transforms/Utils)
227 add_subdirectory(lib/Transforms/Instrumentation)
228 add_subdirectory(lib/Transforms/Scalar)
229 add_subdirectory(lib/Transforms/IPO)
230 add_subdirectory(lib/Transforms/Hello)
231 add_subdirectory(lib/Linker)
232 add_subdirectory(lib/Analysis)
233 add_subdirectory(lib/Analysis/IPA)
235 foreach(t ${LLVM_TARGETS_TO_BUILD})
236 message(STATUS "Targeting ${t}")
237 add_subdirectory(lib/Target/${t})
238 if( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmPrinter/CMakeLists.txt )
239 add_subdirectory(lib/Target/${t}/AsmPrinter)
240 endif( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmPrinter/CMakeLists.txt )
243 add_subdirectory(lib/ExecutionEngine)
244 add_subdirectory(lib/ExecutionEngine/Interpreter)
245 add_subdirectory(lib/ExecutionEngine/JIT)
246 add_subdirectory(lib/Target)
247 add_subdirectory(lib/AsmParser)
248 add_subdirectory(lib/Debugger)
249 add_subdirectory(lib/Archive)
251 add_subdirectory(projects)
252 add_subdirectory(tools)
254 add_subdirectory(examples)
256 install(DIRECTORY include
258 PATTERN ".svn" EXCLUDE
259 PATTERN "*.cmake" EXCLUDE
260 PATTERN "*.in" EXCLUDE
263 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include
267 # TODO: make and install documentation.