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)" )
48 # List of targets whose asmprinters need to be forced to link
49 # into executables on some platforms (i.e. Windows):
50 set(LLVM_ASMPRINTERS_FORCE_LINK X86 PowerPC)
53 set(LLVM_TARGETS_TO_BUILD X86
54 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
56 set(LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS}
57 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
60 option(LLVM_ENABLE_THREADS "Use threads if available." ON)
62 if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
63 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
65 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
68 if( LLVM_ENABLE_ASSERTIONS )
69 # MSVC doesn't like _DEBUG on release builds. See PR 4379.
71 add_definitions( -D_DEBUG )
73 # On Release builds cmake automatically defines NDEBUG, so we
74 # explicitly undefine it:
75 if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
76 add_definitions( -UNDEBUG )
79 if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
80 add_definitions( -DNDEBUG )
84 if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
85 set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
88 set(LLVM_ENUM_TARGETS "")
89 foreach(c ${LLVM_TARGETS_TO_BUILD})
90 list(FIND LLVM_ALL_TARGETS ${c} idx)
92 message(FATAL_ERROR "The target `${c}' does not exists.
93 It should be one of\n${LLVM_ALL_TARGETS}")
95 set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${c})\n")
99 # Produce llvm/Config/Targets.def
101 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in
102 ${LLVM_BINARY_DIR}/include/llvm/Config/Targets.def
105 set(llvm_builded_incs_dir ${LLVM_BINARY_DIR}/include/llvm)
107 # Add path for custom modules
108 set(CMAKE_MODULE_PATH
110 "${LLVM_MAIN_SRC_DIR}/cmake"
111 "${LLVM_MAIN_SRC_DIR}/cmake/modules"
114 include(AddLLVMDefinitions)
124 set(LTDL_SHLIB_EXT ".dll")
126 # Maximum path length is 160 for non-unicode paths
132 set(LTDL_SHLIB_EXT ".so")
134 # FIXME: Maximum path length is currently set to 'safe' fixed value
137 MESSAGE(SEND_ERROR "Unable to determine platform")
141 if( EXISTS ${LLVM_TOOLS_BINARY_DIR}/llvm-config )
142 set(HAVE_LLVM_CONFIG 1)
143 endif( EXISTS ${LLVM_TOOLS_BINARY_DIR}/llvm-config )
147 option(LLVM_ENABLE_PIC "Build Position-Independent Code" OFF)
150 if( LLVM_ENABLE_PIC )
151 if( SUPPORTS_FPIC_FLAG )
152 message(STATUS "Building with -fPIC")
153 add_llvm_definitions(-fPIC)
155 else( SUPPORTS_FPIC_FLAG )
156 message(STATUS "Warning: -fPIC not supported.")
160 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR} )
161 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
162 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
164 # set(CMAKE_VERBOSE_MAKEFILE true)
166 add_llvm_definitions( -D__STDC_LIMIT_MACROS )
167 add_llvm_definitions( -D__STDC_CONSTANT_MACROS )
169 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
170 # TODO: support other platforms and toolchains.
171 option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
172 if( LLVM_BUILD_32_BITS )
173 message(STATUS "Building 32 bits executables and libraries.")
174 add_llvm_definitions( -m32 )
175 list(APPEND CMAKE_EXE_LINKER_FLAGS -m32)
176 list(APPEND CMAKE_SHARED_LINKER_FLAGS -m32)
177 set( LLVM_PLO_FLAGS -melf_i386 ${LLVM_PLO_FLAGS} )
178 endif( LLVM_BUILD_32_BITS )
179 endif( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
182 # List of valid CRTs for MSVC
187 set(LLVM_USE_CRT "" CACHE STRING "Specify VC++ CRT to use for debug/release configurations.")
188 add_llvm_definitions( -D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS )
189 add_llvm_definitions( -D_SCL_SECURE_NO_WARNINGS -DCRT_NONSTDC_NO_WARNINGS )
190 add_llvm_definitions( -D_SCL_SECURE_NO_DEPRECATE )
191 add_llvm_definitions( -wd4146 -wd4503 -wd4996 -wd4800 -wd4244 -wd4624 )
192 add_llvm_definitions( -wd4355 -wd4715 -wd4180 -wd4345 -wd4224 )
194 if (NOT ${LLVM_USE_CRT} STREQUAL "")
195 list(FIND MSVC_CRT ${LLVM_USE_CRT} idx)
197 message(FATAL_ERROR "Invalid value for LLVM_USE_CRT: ${LLVM_USE_CRT}. Valid options are one of: ${MSVC_CRT}")
199 add_llvm_definitions("/${LLVM_USE_CRT}")
200 message(STATUS "Using VC++ CRT: ${LLVM_USE_CRT}")
201 endif (NOT ${LLVM_USE_CRT} STREQUAL "")
204 include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR})
209 add_subdirectory(lib/Support)
210 add_subdirectory(lib/System)
212 # Everything else depends on Support and System:
213 set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} ${LLVM_LIBS} )
215 set(LLVM_TABLEGEN "tblgen" CACHE
216 STRING "Native TableGen executable. Saves building one when cross-compiling.")
217 # Effective tblgen executable to be used:
218 set(LLVM_TABLEGEN_EXE ${LLVM_TABLEGEN})
220 add_subdirectory(utils/TableGen)
222 if( CMAKE_CROSSCOMPILING )
223 # This adds a dependency on target `tblgen', so must go after utils/TableGen
224 include( CrossCompileLLVM )
225 endif( CMAKE_CROSSCOMPILING )
227 add_subdirectory(include/llvm)
229 add_subdirectory(lib/VMCore)
230 add_subdirectory(lib/CodeGen)
231 add_subdirectory(lib/CodeGen/SelectionDAG)
232 add_subdirectory(lib/CodeGen/AsmPrinter)
233 add_subdirectory(lib/Bitcode/Reader)
234 add_subdirectory(lib/Bitcode/Writer)
235 add_subdirectory(lib/Transforms/Utils)
236 add_subdirectory(lib/Transforms/Instrumentation)
237 add_subdirectory(lib/Transforms/Scalar)
238 add_subdirectory(lib/Transforms/IPO)
239 add_subdirectory(lib/Transforms/Hello)
240 add_subdirectory(lib/Linker)
241 add_subdirectory(lib/Analysis)
242 add_subdirectory(lib/Analysis/IPA)
243 add_subdirectory(lib/MC)
245 set(LLVM_ENUM_ASM_PRINTERS "")
246 foreach(t ${LLVM_TARGETS_TO_BUILD})
247 message(STATUS "Targeting ${t}")
248 add_subdirectory(lib/Target/${t})
249 if( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmPrinter/CMakeLists.txt )
250 add_subdirectory(lib/Target/${t}/AsmPrinter)
251 set(LLVM_ENUM_ASM_PRINTERS
252 "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n")
253 endif( EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Target/${t}/AsmPrinter/CMakeLists.txt )
256 # Produce llvm/Config/AsmPrinters.def
258 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in
259 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmPrinters.def
262 add_subdirectory(lib/ExecutionEngine)
263 add_subdirectory(lib/ExecutionEngine/Interpreter)
264 add_subdirectory(lib/ExecutionEngine/JIT)
265 add_subdirectory(lib/Target)
266 add_subdirectory(lib/AsmParser)
267 add_subdirectory(lib/Debugger)
268 add_subdirectory(lib/Archive)
270 add_subdirectory(projects)
271 add_subdirectory(tools)
273 option(LLVM_EXAMPLES "Build LLVM example programs." OFF)
275 add_subdirectory(examples)
278 install(DIRECTORY include
280 PATTERN ".svn" EXCLUDE
281 PATTERN "*.cmake" EXCLUDE
282 PATTERN "*.in" EXCLUDE
285 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include
289 # TODO: make and install documentation.