1 # See docs/CMake.html for instructions about how to build LLVM with CMake. 2 3 project(LLVM) 4 cmake_minimum_required(VERSION 2.8) 5 6 # Add path for custom modules 7 set(CMAKE_MODULE_PATH 8 ${CMAKE_MODULE_PATH} 9 "${CMAKE_CURRENT_SOURCE_DIR}/cmake" 10 "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules" 11 ) 12 13 set(LLVM_VERSION_MAJOR 3) 14 set(LLVM_VERSION_MINOR 1) 15 16 set(PACKAGE_VERSION "${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}svn") 17 18 set_property(GLOBAL PROPERTY USE_FOLDERS ON) 19 20 include(VersionFromVCS) 21 22 option(LLVM_APPEND_VC_REV 23 "Append the version control system revision id to LLVM version" OFF) 24 25 if( LLVM_APPEND_VC_REV ) 26 add_version_info_from_vcs(PACKAGE_VERSION) 27 endif() 28 29 set(PACKAGE_NAME LLVM) 30 set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}") 31 set(PACKAGE_BUGREPORT "http://llvm.org/bugs/") 32 33 # Sanity check our source directory to make sure that we are not trying to 34 # generate an in-tree build (unless on MSVC_IDE, where it is ok), and to make 35 # sure that we don't have any stray generated files lying around in the tree 36 # (which would end up getting picked up by header search, instead of the correct 37 # versions). 38 if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE ) 39 message(FATAL_ERROR "In-source builds are not allowed. 40 CMake would overwrite the makefiles distributed with LLVM. 41 Please create a directory and run cmake from there, passing the path 42 to this source directory as the last argument. 43 This process created the file `CMakeCache.txt' and the directory `CMakeFiles'. 44 Please delete them.") 45 endif() 46 if( NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR ) 47 file(GLOB_RECURSE 48 tablegenned_files_on_include_dir 49 "${CMAKE_CURRENT_SOURCE_DIR}/include/llvm/*.gen") 50 file(GLOB_RECURSE 51 tablegenned_files_on_lib_dir 52 "${CMAKE_CURRENT_SOURCE_DIR}/lib/Target/*.inc") 53 if( tablegenned_files_on_include_dir OR tablegenned_files_on_lib_dir) 54 message(FATAL_ERROR "Apparently there is a previous in-source build, 55 probably as the result of running `configure' and `make' on 56 ${CMAKE_CURRENT_SOURCE_DIR}. 57 This may cause problems. The suspicious files are: 58 ${tablegenned_files_on_lib_dir} 59 ${tablegenned_files_on_include_dir} 60 Please clean the source directory.") 61 endif() 62 endif() 63 64 string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE) 65 66 set(LLVM_MAIN_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR}) 67 set(LLVM_MAIN_INCLUDE_DIR ${LLVM_MAIN_SRC_DIR}/include) 68 set(LLVM_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}) 69 set(LLVM_TOOLS_BINARY_DIR ${LLVM_BINARY_DIR}/bin) 70 set(LLVM_EXAMPLES_BINARY_DIR ${LLVM_BINARY_DIR}/examples) 71 set(LLVM_LIBDIR_SUFFIX "" CACHE STRING "Define suffix of library directory name (32/64)" ) 72 73 set(LLVM_ALL_TARGETS 74 ARM 75 CellSPU 76 CppBackend 77 Hexagon 78 Mips 79 MBlaze 80 MSP430 81 PowerPC 82 PTX 83 Sparc 84 X86 85 XCore 86 ) 87 88 # List of targets with JIT support: 89 set(LLVM_TARGETS_WITH_JIT X86 PowerPC ARM Mips) 90 91 if( MSVC ) 92 set(LLVM_TARGETS_TO_BUILD X86 93 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".") 94 else( MSVC ) 95 set(LLVM_TARGETS_TO_BUILD "all" 96 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".") 97 endif( MSVC ) 98 99 option(BUILD_SHARED_LIBS 100 "Build all libraries as shared libraries instead of static" OFF) 101 102 option(LLVM_ENABLE_CBE_PRINTF_A "Set to ON if CBE is enabled for printf %a output" ON) 103 if(LLVM_ENABLE_CBE_PRINTF_A) 104 set(ENABLE_CBE_PRINTF_A 1) 105 endif() 106 107 option(LLVM_ENABLE_TIMESTAMPS "Enable embedding timestamp information in build" ON) 108 if(LLVM_ENABLE_TIMESTAMPS) 109 set(ENABLE_TIMESTAMPS 1) 110 endif() 111 112 option(LLVM_ENABLE_FFI "Use libffi to call external functions from the interpreter" OFF) 113 set(FFI_LIBRARY_DIR "" CACHE PATH "Additional directory, where CMake should search for libffi.so") 114 set(FFI_INCLUDE_DIR "" CACHE PATH "Additional directory, where CMake should search for ffi.h or ffi/ffi.h") 115 116 set(LLVM_TARGET_ARCH "host" 117 CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.") 118 119 option(LLVM_ENABLE_THREADS "Use threads if available." ON) 120 121 if( LLVM_TARGETS_TO_BUILD STREQUAL "all" ) 122 set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} ) 123 endif() 124 125 set(LLVM_ENUM_TARGETS "") 126 foreach(c ${LLVM_TARGETS_TO_BUILD}) 127 list(FIND LLVM_ALL_TARGETS ${c} idx) 128 if( idx LESS 0 ) 129 message(FATAL_ERROR "The target `${c}' does not exist. 130 It should be one of\n${LLVM_ALL_TARGETS}") 131 else() 132 set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${c})\n") 133 endif() 134 endforeach(c) 135 136 set(llvm_builded_incs_dir ${LLVM_BINARY_DIR}/include/llvm) 137 138 include(AddLLVMDefinitions) 139 140 option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON) 141 142 # MSVC has a gazillion warnings with this. 143 if( MSVC ) 144 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." OFF) 145 else( MSVC ) 146 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON) 147 endif() 148 149 option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON) 150 option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF) 151 152 if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" ) 153 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF) 154 else() 155 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON) 156 endif() 157 158 option(LLVM_USE_INTEL_JITEVENTS 159 "Use Intel JIT API to inform Intel(R) VTune(TM) Amplifier XE 2011 about JIT code" 160 OFF) 161 162 if( LLVM_USE_INTEL_JITEVENTS ) 163 # Verify we are on a supported platform 164 if( CMAKE_SYSTEM_NAME MATCHES "Windows" OR CMAKE_SYSTEM_NAME MATCHES "Linux" ) 165 # Directory where Intel Parallel Amplifier XE 2011 is installed. 166 if ( WIN32 ) 167 set(LLVM_INTEL_JITEVENTS_DIR $ENV{VTUNE_AMPLIFIER_XE_2011_DIR}) 168 else ( WIN32 ) 169 set(LLVM_INTEL_JITEVENTS_DIR "/opt/intel/vtune_amplifier_xe_2011") 170 endif ( WIN32 ) 171 172 # Set include and library search paths for Intel JIT Events API 173 set(LLVM_INTEL_JITEVENTS_INCDIR "${LLVM_INTEL_JITEVENTS_DIR}/include") 174 175 if ( CMAKE_SIZEOF_VOID_P EQUAL 8 ) 176 set(LLVM_INTEL_JITEVENTS_LIBDIR "${LLVM_INTEL_JITEVENTS_DIR}/lib64") 177 else ( CMAKE_SIZEOF_VOID_P EQUAL 8 ) 178 set(LLVM_INTEL_JITEVENTS_LIBDIR "${LLVM_INTEL_JITEVENTS_DIR}/lib32") 179 endif ( CMAKE_SIZEOF_VOID_P EQUAL 8 ) 180 else() 181 message(FATAL_ERROR 182 "Intel JIT API support is available on Linux and Windows only.") 183 endif() 184 endif( LLVM_USE_INTEL_JITEVENTS ) 185 186 option(LLVM_USE_OPROFILE 187 "Use opagent JIT interface to inform OProfile about JIT code" OFF) 188 189 # If enabled, ierify we are on a platform that supports oprofile. 190 if( LLVM_USE_OPROFILE ) 191 if( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" ) 192 message(FATAL_ERROR "OProfile support is available on Linux only.") 193 endif( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" ) 194 endif( LLVM_USE_OPROFILE ) 195 196 # Define an option controlling whether we should build for 32-bit on 64-bit 197 # platforms, where supported. 198 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 ) 199 # TODO: support other platforms and toolchains. 200 option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF) 201 endif() 202 203 # Define the default arguments to use with 'lit', and an option for the user to 204 # override. 205 set(LIT_ARGS_DEFAULT "-sv") 206 if (MSVC OR XCODE) 207 set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar") 208 endif() 209 set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit") 210 211 # On Win32 hosts, provide an option to specify the path to the GnuWin32 tools. 212 if( WIN32 AND NOT CYGWIN ) 213 set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools") 214 endif() 215 216 # On Win32 using MS tools, provide an option to set the number of parallel jobs 217 # to use. 218 if( MSVC_IDE AND ( MSVC90 OR MSVC10 ) ) 219 # Only Visual Studio 2008 and 2010 officially supports /MP. Visual Studio 220 # 2005 supports it but it is experimental. 221 set(LLVM_COMPILER_JOBS "0" CACHE STRING 222 "Number of parallel compiler jobs. 0 means use all processors. Default is 0.") 223 endif() 224 225 # Define options to control the inclusion and default build behavior for 226 # components which may not strictly be necessary (tools, runtime, examples, and 227 # tests). 228 # 229 # This is primarily to support building smaller or faster project files. 230 option(LLVM_INCLUDE_TOOLS "Generate build targets for the LLVM tools." ON) 231 option(LLVM_BUILD_TOOLS 232 "Build the LLVM tools. If OFF, just generate build targets." ON) 233 234 option(LLVM_INCLUDE_RUNTIME "Generate build targets for the LLVM runtimes" ON) 235 option(LLVM_BUILD_RUNTIME 236 "Build the LLVM runtime libraries. If OFF, just generate build targets." ON) 237 238 option(LLVM_BUILD_EXAMPLES 239 "Build the LLVM example programs. If OFF, just generate build targets." OFF) 240 option(LLVM_INCLUDE_EXAMPLES "Generate build targets for the LLVM examples" ON) 241 242 option(LLVM_BUILD_TESTS 243 "Build LLVM unit tests. If OFF, just generate build targets." OFF) 244 option(LLVM_INCLUDE_TESTS "Generate build targets for the LLVM unit tests." ON) 245 246 # All options referred to from HandleLLVMOptions have to be specified 247 # BEFORE this include, otherwise options will not be correctly set on 248 # first cmake run 249 include(config-ix) 250 include(HandleLLVMOptions) 251 252 # Verify that we can find a Python interpreter, 253 include(FindPythonInterp) 254 if( NOT PYTHONINTERP_FOUND ) 255 message(FATAL_ERROR 256 "Unable to find Python interpreter, required for builds and testing. 257 258 Please install Python or specify the PYTHON_EXECUTABLE CMake variable.") 259 endif() 260 261 ###### 262 # LLVMBuild Integration 263 # 264 # We use llvm-build to generate all the data required by the CMake based 265 # build system in one swoop: 266 # 267 # - We generate a file (a CMake fragment) in the object root which contains 268 # all the definitions that are required by CMake. 269 # 270 # - We generate the library table used by llvm-config. 271 # 272 # - We generate the dependencies for the CMake fragment, so that we will 273 # automatically reconfigure outselves. 274 275 set(LLVMBUILDTOOL "${LLVM_MAIN_SRC_DIR}/utils/llvm-build/llvm-build") 276 set(LLVMCONFIGLIBRARYDEPENDENCIESINC 277 "${LLVM_BINARY_DIR}/tools/llvm-config/LibraryDependencies.inc") 278 set(LLVMBUILDCMAKEFRAG 279 "${LLVM_BINARY_DIR}/LLVMBuild.cmake") 280 message(STATUS "Constructing LLVMBuild project information") 281 execute_process( 282 COMMAND ${PYTHON_EXECUTABLE} ${LLVMBUILDTOOL} 283 --native-target "${LLVM_NATIVE_ARCH}" 284 --enable-targets "${LLVM_TARGETS_TO_BUILD}" 285 --write-library-table ${LLVMCONFIGLIBRARYDEPENDENCIESINC} 286 --write-cmake-fragment ${LLVMBUILDCMAKEFRAG} 287 ERROR_VARIABLE LLVMBUILDOUTPUT 288 ERROR_VARIABLE LLVMBUILDERRORS 289 OUTPUT_STRIP_TRAILING_WHITESPACE 290 ERROR_STRIP_TRAILING_WHITESPACE 291 RESULT_VARIABLE LLVMBUILDRESULT) 292 293 # On Win32, CMake doesn't properly handle piping the default output/error 294 # streams into the GUI console. So, we explicitly catch and report them. 295 if( NOT "${LLVMBUILDOUTPUT}" STREQUAL "") 296 message(STATUS "llvm-build output: ${LLVMBUILDOUTPUT}") 297 endif() 298 if( NOT "${LLVMBUILDRESULT}" STREQUAL "0" ) 299 message(FATAL_ERROR 300 "Unexpected failure executing llvm-build: ${LLVMBUILDERRORS}") 301 endif() 302 303 # Include the generated CMake fragment. This will define properties from the 304 # LLVMBuild files in a format which is easy to consume from CMake, and will add 305 # the dependencies so that CMake will reconfigure properly when the LLVMBuild 306 # files change. 307 include(${LLVMBUILDCMAKEFRAG}) 308 309 ###### 310 311 # Configure all of the various header file fragments LLVM uses which depend on 312 # configuration variables. 313 set(LLVM_ENUM_ASM_PRINTERS "") 314 set(LLVM_ENUM_ASM_PARSERS "") 315 set(LLVM_ENUM_DISASSEMBLERS "") 316 foreach(t ${LLVM_TARGETS_TO_BUILD}) 317 set( td ${LLVM_MAIN_SRC_DIR}/lib/Target/${t} ) 318 file(GLOB asmp_file "${td}/*AsmPrinter.cpp") 319 if( asmp_file ) 320 set(LLVM_ENUM_ASM_PRINTERS 321 "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n") 322 endif() 323 if( EXISTS ${td}/AsmParser/CMakeLists.txt ) 324 set(LLVM_ENUM_ASM_PARSERS 325 "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n") 326 endif() 327 if( EXISTS ${td}/Disassembler/CMakeLists.txt ) 328 set(LLVM_ENUM_DISASSEMBLERS 329 "${LLVM_ENUM_DISASSEMBLERS}LLVM_DISASSEMBLER(${t})\n") 330 endif() 331 endforeach(t) 332 333 # Produce the target definition files, which provide a way for clients to easily 334 # include various classes of targets. 335 configure_file( 336 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in 337 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmPrinters.def 338 ) 339 configure_file( 340 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in 341 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmParsers.def 342 ) 343 configure_file( 344 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Disassemblers.def.in 345 ${LLVM_BINARY_DIR}/include/llvm/Config/Disassemblers.def 346 ) 347 configure_file( 348 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in 349 ${LLVM_BINARY_DIR}/include/llvm/Config/Targets.def 350 ) 351 352 # Configure the three LLVM configuration header files. 353 configure_file( 354 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/config.h.cmake 355 ${LLVM_BINARY_DIR}/include/llvm/Config/config.h) 356 configure_file( 357 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/llvm-config.h.cmake 358 ${LLVM_BINARY_DIR}/include/llvm/Config/llvm-config.h) 359 configure_file( 360 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Support/DataTypes.h.cmake 361 ${LLVM_BINARY_DIR}/include/llvm/Support/DataTypes.h) 362 363 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR} ) 364 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib ) 365 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib ) 366 367 set(CMAKE_INCLUDE_CURRENT_DIR ON) 368 369 include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR}) 370 371 if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS ) 372 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -include llvm/Support/Solaris.h") 373 endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS ) 374 375 include(AddLLVM) 376 include(TableGen) 377 378 if( MINGW ) 379 # People report that -O3 is unreliable on MinGW. The traditional 380 # build also uses -O2 for that reason: 381 llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2") 382 endif() 383 384 # Put this before tblgen. Else we have a circular dependence. 385 add_subdirectory(lib/Support) 386 add_subdirectory(lib/TableGen) 387 388 add_subdirectory(utils/TableGen) 389 390 add_subdirectory(include/llvm) 391 392 add_subdirectory(lib) 393 394 add_subdirectory(utils/FileCheck) 395 add_subdirectory(utils/FileUpdate) 396 add_subdirectory(utils/count) 397 add_subdirectory(utils/not) 398 add_subdirectory(utils/llvm-lit) 399 add_subdirectory(utils/yaml-bench) 400 401 add_subdirectory(projects) 402 403 if( LLVM_INCLUDE_TOOLS ) 404 add_subdirectory(tools) 405 endif() 406 407 if( LLVM_INCLUDE_RUNTIME ) 408 add_subdirectory(runtime) 409 endif() 410 411 if( LLVM_INCLUDE_EXAMPLES ) 412 add_subdirectory(examples) 413 endif() 414 415 if( LLVM_INCLUDE_TESTS ) 416 add_subdirectory(test) 417 add_subdirectory(utils/unittest) 418 add_subdirectory(unittests) 419 if (MSVC) 420 # This utility is used to prevent chrashing tests from calling Dr. Watson on 421 # Windows. 422 add_subdirectory(utils/KillTheDoctor) 423 endif() 424 endif() 425 426 add_subdirectory(cmake/modules) 427 428 install(DIRECTORY include/ 429 DESTINATION include 430 FILES_MATCHING 431 PATTERN "*.def" 432 PATTERN "*.h" 433 PATTERN "*.td" 434 PATTERN "*.inc" 435 PATTERN "LICENSE.TXT" 436 PATTERN ".svn" EXCLUDE 437 ) 438 439 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/ 440 DESTINATION include 441 FILES_MATCHING 442 PATTERN "*.def" 443 PATTERN "*.h" 444 PATTERN "*.gen" 445 PATTERN "*.inc" 446 # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def" 447 PATTERN "CMakeFiles" EXCLUDE 448 PATTERN ".svn" EXCLUDE 449 ) 450 451 # TODO: make and install documentation. 452 453 set(CPACK_PACKAGE_VENDOR "LLVM") 454 set(CPACK_PACKAGE_VERSION_MAJOR ${LLVM_VERSION_MAJOR}) 455 set(CPACK_PACKAGE_VERSION_MINOR ${LLVM_VERSION_MINOR}) 456 add_version_info_from_vcs(CPACK_PACKAGE_VERSION_PATCH) 457 include(CPack) 458 459 # Workaround for MSVS10 to avoid the Dialog Hell 460 # FIXME: This could be removed with future version of CMake. 461 if(MSVC_VERSION EQUAL 1600) 462 set(LLVM_SLN_FILENAME "${CMAKE_CURRENT_BINARY_DIR}/LLVM.sln") 463 if( EXISTS "${LLVM_SLN_FILENAME}" ) 464 file(APPEND "${LLVM_SLN_FILENAME}" "\n# This should be regenerated!\n") 465 endif() 466 endif() 467
