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)
153 if( LLVM_ENABLE_PIC )
154 if( SUPPORTS_FPIC_FLAG )
155 message(STATUS "Building with -fPIC")
156 add_llvm_definitions(-fPIC)
157 else( SUPPORTS_FPIC_FLAG )
158 message(STATUS "Warning: -fPIC not supported.")
162 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR} )
163 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
164 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
166 # set(CMAKE_VERBOSE_MAKEFILE true)
168 add_llvm_definitions( -D__STDC_LIMIT_MACROS )
169 add_llvm_definitions( -D__STDC_CONSTANT_MACROS )
171 set(LLVM_PLO_FLAGS "" CACHE
172 STRING "Flags for creating partially linked objects.")
174 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
175 # TODO: support other platforms and toolchains.
176 option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
177 if( LLVM_BUILD_32_BITS )
178 message(STATUS "Building 32 bits executables and libraries.")
179 add_llvm_definitions( -m32 )
180 list(APPEND CMAKE_EXE_LINKER_FLAGS -m32)
181 list(APPEND CMAKE_SHARED_LINKER_FLAGS -m32)
182 set( LLVM_PLO_FLAGS -melf_i386 ${LLVM_PLO_FLAGS} )
183 endif( LLVM_BUILD_32_BITS )
184 endif( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
187 add_llvm_definitions( -D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS )
188 add_llvm_definitions( -D_SCL_SECURE_NO_WARNINGS -DCRT_NONSTDC_NO_WARNINGS )
189 add_llvm_definitions( -D_SCL_SECURE_NO_DEPRECATE )
190 add_llvm_definitions( -wd4146 -wd4503 -wd4996 -wd4800 -wd4244 -wd4624 )
191 add_llvm_definitions( -wd4355 -wd4715 -wd4180 -wd4345 -wd4224 )
194 include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR})
197 include(AddPartiallyLinkedObject)
200 add_subdirectory(lib/Support)
201 add_subdirectory(lib/System)
203 # Everything else depends on Support and System:
204 set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} ${LLVM_LIBS} )
206 set(LLVM_TABLEGEN "tblgen" CACHE
207 STRING "Native TableGen executable. Saves building one when cross-compiling.")
209 add_subdirectory(utils/TableGen)
211 if( CMAKE_CROSSCOMPILING )
212 # This adds a dependency on target `tblgen', so must go after utils/TableGen
213 include( CrossCompileLLVM )
214 endif( CMAKE_CROSSCOMPILING )
216 add_subdirectory(include/llvm)
218 add_subdirectory(lib/VMCore)
219 add_subdirectory(lib/CodeGen)
220 add_subdirectory(lib/CodeGen/SelectionDAG)
221 add_subdirectory(lib/CodeGen/AsmPrinter)
222 add_subdirectory(lib/Bitcode/Reader)
223 add_subdirectory(lib/Bitcode/Writer)
224 add_subdirectory(lib/Transforms/Utils)
225 add_subdirectory(lib/Transforms/Instrumentation)
226 add_subdirectory(lib/Transforms/Scalar)
227 add_subdirectory(lib/Transforms/IPO)
228 add_subdirectory(lib/Transforms/Hello)
229 add_subdirectory(lib/Linker)
230 add_subdirectory(lib/Analysis)
231 add_subdirectory(lib/Analysis/IPA)
233 foreach(t ${LLVM_TARGETS_TO_BUILD})
234 message(STATUS "Targeting ${t}")
235 add_subdirectory(lib/Target/${t})
236 if( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmPrinter/CMakeLists.txt )
237 add_subdirectory(lib/Target/${t}/AsmPrinter)
238 endif( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmPrinter/CMakeLists.txt )
241 add_subdirectory(lib/ExecutionEngine)
242 add_subdirectory(lib/ExecutionEngine/Interpreter)
243 add_subdirectory(lib/ExecutionEngine/JIT)
244 add_subdirectory(lib/Target)
245 add_subdirectory(lib/AsmParser)
246 add_subdirectory(lib/Debugger)
247 add_subdirectory(lib/Archive)
249 add_subdirectory(projects)
250 add_subdirectory(tools)
252 add_subdirectory(examples)
254 install(DIRECTORY include
256 PATTERN ".svn" EXCLUDE
257 PATTERN "*.cmake" EXCLUDE
258 PATTERN "*.in" EXCLUDE
261 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include
265 # TODO: make and install documentation.