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 "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules" 11 ) 12 13 set(LLVM_VERSION_MAJOR 3) 14 set(LLVM_VERSION_MINOR 3) 15 16 set(PACKAGE_VERSION "${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}svn") 17 18 option(LLVM_USE_FOLDERS "Enable solution folders in Visual Studio. Disable for Express versions." ON) 19 if ( LLVM_USE_FOLDERS ) 20 set_property(GLOBAL PROPERTY USE_FOLDERS ON) 21 endif() 22 23 include(VersionFromVCS) 24 25 option(LLVM_APPEND_VC_REV 26 "Append the version control system revision id to LLVM version" OFF) 27 28 if( LLVM_APPEND_VC_REV ) 29 add_version_info_from_vcs(PACKAGE_VERSION) 30 endif() 31 32 set(PACKAGE_NAME LLVM) 33 set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}") 34 set(PACKAGE_BUGREPORT "http://llvm.org/bugs/") 35 36 # Sanity check our source directory to make sure that we are not trying to 37 # generate an in-tree build (unless on MSVC_IDE, where it is ok), and to make 38 # sure that we don't have any stray generated files lying around in the tree 39 # (which would end up getting picked up by header search, instead of the correct 40 # versions). 41 if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE ) 42 message(FATAL_ERROR "In-source builds are not allowed. 43 CMake would overwrite the makefiles distributed with LLVM. 44 Please create a directory and run cmake from there, passing the path 45 to this source directory as the last argument. 46 This process created the file `CMakeCache.txt' and the directory `CMakeFiles'. 47 Please delete them.") 48 endif() 49 if( NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR ) 50 file(GLOB_RECURSE 51 tablegenned_files_on_include_dir 52 "${CMAKE_CURRENT_SOURCE_DIR}/include/llvm/*.gen") 53 file(GLOB_RECURSE 54 tablegenned_files_on_lib_dir 55 "${CMAKE_CURRENT_SOURCE_DIR}/lib/Target/*.inc") 56 if( tablegenned_files_on_include_dir OR tablegenned_files_on_lib_dir) 57 message(FATAL_ERROR "Apparently there is a previous in-source build, 58 probably as the result of running `configure' and `make' on 59 ${CMAKE_CURRENT_SOURCE_DIR}. 60 This may cause problems. The suspicious files are: 61 ${tablegenned_files_on_lib_dir} 62 ${tablegenned_files_on_include_dir} 63 Please clean the source directory.") 64 endif() 65 endif() 66 67 string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE) 68 69 set(LLVM_MAIN_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR}) 70 set(LLVM_MAIN_INCLUDE_DIR ${LLVM_MAIN_SRC_DIR}/include) 71 set(LLVM_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}) 72 set(LLVM_TOOLS_BINARY_DIR ${LLVM_BINARY_DIR}/bin) 73 set(LLVM_EXAMPLES_BINARY_DIR ${LLVM_BINARY_DIR}/examples) 74 set(LLVM_LIBDIR_SUFFIX "" CACHE STRING "Define suffix of library directory name (32/64)" ) 75 76 set(LLVM_ALL_TARGETS 77 AArch64 78 ARM 79 CppBackend 80 Hexagon 81 Mips 82 MBlaze 83 MSP430 84 NVPTX 85 PowerPC 86 Sparc 87 X86 88 XCore 89 ) 90 91 # List of targets with JIT support: 92 set(LLVM_TARGETS_WITH_JIT X86 PowerPC ARM Mips) 93 94 if( MSVC ) 95 set(LLVM_TARGETS_TO_BUILD X86 96 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".") 97 else( MSVC ) 98 set(LLVM_TARGETS_TO_BUILD "all" 99 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".") 100 endif( MSVC ) 101 102 set(LLVM_EXPERIMENTAL_TARGETS_TO_BUILD "" 103 CACHE STRING "Semicolon-separated list of experimental targets to build.") 104 105 option(BUILD_SHARED_LIBS 106 "Build all libraries as shared libraries instead of static" OFF) 107 108 option(LLVM_ENABLE_CBE_PRINTF_A "Set to ON if CBE is enabled for printf %a output" ON) 109 if(LLVM_ENABLE_CBE_PRINTF_A) 110 set(ENABLE_CBE_PRINTF_A 1) 111 endif() 112 113 option(LLVM_ENABLE_TIMESTAMPS "Enable embedding timestamp information in build" ON) 114 if(LLVM_ENABLE_TIMESTAMPS) 115 set(ENABLE_TIMESTAMPS 1) 116 endif() 117 118 option(LLVM_ENABLE_BACKTRACES "Enable embedding backtraces on crash." ON) 119 if(LLVM_ENABLE_BACKTRACES) 120 set(ENABLE_BACKTRACES 1) 121 endif() 122 123 option(LLVM_ENABLE_FFI "Use libffi to call external functions from the interpreter" OFF) 124 set(FFI_LIBRARY_DIR "" CACHE PATH "Additional directory, where CMake should search for libffi.so") 125 set(FFI_INCLUDE_DIR "" CACHE PATH "Additional directory, where CMake should search for ffi.h or ffi/ffi.h") 126 127 set(LLVM_TARGET_ARCH "host" 128 CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.") 129 130 option(LLVM_ENABLE_THREADS "Use threads if available." ON) 131 132 if( LLVM_TARGETS_TO_BUILD STREQUAL "all" ) 133 set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} ) 134 endif() 135 136 set(LLVM_TARGETS_TO_BUILD 137 ${LLVM_TARGETS_TO_BUILD} 138 ${LLVM_EXPERIMENTAL_TARGETS_TO_BUILD}) 139 140 set(LLVM_ENUM_TARGETS "") 141 foreach(c ${LLVM_TARGETS_TO_BUILD}) 142 list(FIND LLVM_ALL_TARGETS ${c} idx) 143 list(FIND LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ${c} idy) 144 if( idx LESS 0 AND idy LESS 0 ) 145 message(FATAL_ERROR "The target `${c}' does not exist. 146 It should be one of\n${LLVM_ALL_TARGETS}") 147 else() 148 set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${c})\n") 149 endif() 150 endforeach(c) 151 152 set(llvm_builded_incs_dir ${LLVM_BINARY_DIR}/include/llvm) 153 154 include(AddLLVMDefinitions) 155 156 option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON) 157 158 # MSVC has a gazillion warnings with this. 159 if( MSVC ) 160 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." OFF) 161 else( MSVC ) 162 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON) 163 endif() 164 165 option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON) 166 option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF) 167 168 if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" ) 169 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF) 170 else() 171 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON) 172 endif() 173 174 option(LLVM_USE_INTEL_JITEVENTS 175 "Use Intel JIT API to inform Intel(R) VTune(TM) Amplifier XE 2011 about JIT code" 176 OFF) 177 178 if( LLVM_USE_INTEL_JITEVENTS ) 179 # Verify we are on a supported platform 180 if( NOT CMAKE_SYSTEM_NAME MATCHES "Windows" AND NOT CMAKE_SYSTEM_NAME MATCHES "Linux" ) 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, verify 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 "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit") 210 211 # On Win32 hosts, provide an option to specify the path to the GnuWin32 tools. 212 if( WIN32 AND NOT CYGWIN ) 213 set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools") 214 endif() 215 216 # Define options to control the inclusion and default build behavior for 217 # components which may not strictly be necessary (tools, runtime, examples, and 218 # tests). 219 # 220 # This is primarily to support building smaller or faster project files. 221 option(LLVM_INCLUDE_TOOLS "Generate build targets for the LLVM tools." ON) 222 option(LLVM_BUILD_TOOLS 223 "Build the LLVM tools. If OFF, just generate build targets." ON) 224 225 option(LLVM_INCLUDE_RUNTIME "Generate build targets for the LLVM runtimes" ON) 226 option(LLVM_BUILD_RUNTIME 227 "Build the LLVM runtime libraries. If OFF, just generate build targets." ON) 228 229 option(LLVM_BUILD_EXAMPLES 230 "Build the LLVM example programs. If OFF, just generate build targets." OFF) 231 option(LLVM_INCLUDE_EXAMPLES "Generate build targets for the LLVM examples" ON) 232 233 option(LLVM_BUILD_TESTS 234 "Build LLVM unit tests. If OFF, just generate build targets." OFF) 235 option(LLVM_INCLUDE_TESTS "Generate build targets for the LLVM unit tests." ON) 236 237 # All options referred to from HandleLLVMOptions have to be specified 238 # BEFORE this include, otherwise options will not be correctly set on 239 # first cmake run 240 include(config-ix) 241 242 # By default, we target the host, but this can be overridden at CMake 243 # invocation time. 244 set(LLVM_DEFAULT_TARGET_TRIPLE "${LLVM_HOST_TRIPLE}" CACHE STRING 245 "Default target for which LLVM will generate code." ) 246 set(TARGET_TRIPLE "${LLVM_DEFAULT_TARGET_TRIPLE}") 247 248 include(HandleLLVMOptions) 249 250 # Verify that we can find a Python interpreter, 251 include(FindPythonInterp) 252 if( NOT PYTHONINTERP_FOUND ) 253 message(FATAL_ERROR 254 "Unable to find Python interpreter, required for builds and testing. 255 256 Please install Python or specify the PYTHON_EXECUTABLE CMake variable.") 257 endif() 258 259 ###### 260 # LLVMBuild Integration 261 # 262 # We use llvm-build to generate all the data required by the CMake based 263 # build system in one swoop: 264 # 265 # - We generate a file (a CMake fragment) in the object root which contains 266 # all the definitions that are required by CMake. 267 # 268 # - We generate the library table used by llvm-config. 269 # 270 # - We generate the dependencies for the CMake fragment, so that we will 271 # automatically reconfigure outselves. 272 273 set(LLVMBUILDTOOL "${LLVM_MAIN_SRC_DIR}/utils/llvm-build/llvm-build") 274 set(LLVMCONFIGLIBRARYDEPENDENCIESINC 275 "${LLVM_BINARY_DIR}/tools/llvm-config/LibraryDependencies.inc") 276 set(LLVMBUILDCMAKEFRAG 277 "${LLVM_BINARY_DIR}/LLVMBuild.cmake") 278 279 # Create the list of optional components that are enabled 280 if (LLVM_USE_INTEL_JITEVENTS) 281 set(LLVMOPTIONALCOMPONENTS IntelJITEvents) 282 endif (LLVM_USE_INTEL_JITEVENTS) 283 if (LLVM_USE_OPROFILE) 284 set(LLVMOPTIONALCOMPONENTS ${LLVMOPTIONALCOMPONENTS} OProfileJIT) 285 endif (LLVM_USE_OPROFILE) 286 287 message(STATUS "Constructing LLVMBuild project information") 288 execute_process( 289 COMMAND ${PYTHON_EXECUTABLE} ${LLVMBUILDTOOL} 290 --native-target "${LLVM_NATIVE_ARCH}" 291 --enable-targets "${LLVM_TARGETS_TO_BUILD}" 292 --enable-optional-components "${LLVMOPTIONALCOMPONENTS}" 293 --write-library-table ${LLVMCONFIGLIBRARYDEPENDENCIESINC} 294 --write-cmake-fragment ${LLVMBUILDCMAKEFRAG} 295 ERROR_VARIABLE LLVMBUILDOUTPUT 296 ERROR_VARIABLE LLVMBUILDERRORS 297 OUTPUT_STRIP_TRAILING_WHITESPACE 298 ERROR_STRIP_TRAILING_WHITESPACE 299 RESULT_VARIABLE LLVMBUILDRESULT) 300 301 # On Win32, CMake doesn't properly handle piping the default output/error 302 # streams into the GUI console. So, we explicitly catch and report them. 303 if( NOT "${LLVMBUILDOUTPUT}" STREQUAL "") 304 message(STATUS "llvm-build output: ${LLVMBUILDOUTPUT}") 305 endif() 306 if( NOT "${LLVMBUILDRESULT}" STREQUAL "0" ) 307 message(FATAL_ERROR 308 "Unexpected failure executing llvm-build: ${LLVMBUILDERRORS}") 309 endif() 310 311 # Include the generated CMake fragment. This will define properties from the 312 # LLVMBuild files in a format which is easy to consume from CMake, and will add 313 # the dependencies so that CMake will reconfigure properly when the LLVMBuild 314 # files change. 315 include(${LLVMBUILDCMAKEFRAG}) 316 317 ###### 318 319 # Configure all of the various header file fragments LLVM uses which depend on 320 # configuration variables. 321 set(LLVM_ENUM_ASM_PRINTERS "") 322 set(LLVM_ENUM_ASM_PARSERS "") 323 set(LLVM_ENUM_DISASSEMBLERS "") 324 foreach(t ${LLVM_TARGETS_TO_BUILD}) 325 set( td ${LLVM_MAIN_SRC_DIR}/lib/Target/${t} ) 326 file(GLOB asmp_file "${td}/*AsmPrinter.cpp") 327 if( asmp_file ) 328 set(LLVM_ENUM_ASM_PRINTERS 329 "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n") 330 endif() 331 if( EXISTS ${td}/AsmParser/CMakeLists.txt ) 332 set(LLVM_ENUM_ASM_PARSERS 333 "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n") 334 endif() 335 if( EXISTS ${td}/Disassembler/CMakeLists.txt ) 336 set(LLVM_ENUM_DISASSEMBLERS 337 "${LLVM_ENUM_DISASSEMBLERS}LLVM_DISASSEMBLER(${t})\n") 338 endif() 339 endforeach(t) 340 341 # Produce the target definition files, which provide a way for clients to easily 342 # include various classes of targets. 343 configure_file( 344 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in 345 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmPrinters.def 346 ) 347 configure_file( 348 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in 349 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmParsers.def 350 ) 351 configure_file( 352 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Disassemblers.def.in 353 ${LLVM_BINARY_DIR}/include/llvm/Config/Disassemblers.def 354 ) 355 configure_file( 356 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in 357 ${LLVM_BINARY_DIR}/include/llvm/Config/Targets.def 358 ) 359 360 # Configure the three LLVM configuration header files. 361 configure_file( 362 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/config.h.cmake 363 ${LLVM_BINARY_DIR}/include/llvm/Config/config.h) 364 configure_file( 365 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/llvm-config.h.cmake 366 ${LLVM_BINARY_DIR}/include/llvm/Config/llvm-config.h) 367 configure_file( 368 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Support/DataTypes.h.cmake 369 ${LLVM_BINARY_DIR}/include/llvm/Support/DataTypes.h) 370 371 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR} ) 372 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib ) 373 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib ) 374 375 set(CMAKE_INCLUDE_CURRENT_DIR ON) 376 377 include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR}) 378 379 if( ${CMAKE_SYSTEM_NAME} MATCHES FreeBSD ) 380 # On FreeBSD, /usr/local/* is not used by default. In order to build LLVM 381 # with libxml2, iconv.h, etc., we must add /usr/local paths. 382 include_directories("/usr/local/include") 383 link_directories("/usr/local/lib") 384 endif( ${CMAKE_SYSTEM_NAME} MATCHES FreeBSD ) 385 386 if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS ) 387 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -include llvm/Support/Solaris.h") 388 endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS ) 389 390 include(AddLLVM) 391 include(TableGen) 392 393 if( MINGW ) 394 # People report that -O3 is unreliable on MinGW. The traditional 395 # build also uses -O2 for that reason: 396 llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2") 397 endif() 398 399 # Put this before tblgen. Else we have a circular dependence. 400 add_subdirectory(lib/Support) 401 add_subdirectory(lib/TableGen) 402 403 add_subdirectory(utils/TableGen) 404 405 add_subdirectory(include/llvm) 406 407 add_subdirectory(lib) 408 409 add_subdirectory(utils/FileCheck) 410 add_subdirectory(utils/FileUpdate) 411 add_subdirectory(utils/count) 412 add_subdirectory(utils/not) 413 add_subdirectory(utils/llvm-lit) 414 add_subdirectory(utils/yaml-bench) 415 add_subdirectory(utils/obj2yaml) 416 add_subdirectory(utils/yaml2obj) 417 418 add_subdirectory(projects) 419 420 if( LLVM_INCLUDE_TOOLS ) 421 add_subdirectory(tools) 422 endif() 423 424 if( LLVM_INCLUDE_RUNTIME ) 425 add_subdirectory(runtime) 426 endif() 427 428 if( LLVM_INCLUDE_EXAMPLES ) 429 add_subdirectory(examples) 430 endif() 431 432 if( LLVM_INCLUDE_TESTS ) 433 add_subdirectory(test) 434 add_subdirectory(utils/unittest) 435 add_subdirectory(unittests) 436 if (MSVC) 437 # This utility is used to prevent crashing tests from calling Dr. Watson on 438 # Windows. 439 add_subdirectory(utils/KillTheDoctor) 440 endif() 441 442 # Add a global check rule now that all subdirectories have been traversed 443 # and we know the total set of lit testsuites. 444 get_property(LLVM_LIT_TESTSUITES GLOBAL PROPERTY LLVM_LIT_TESTSUITES) 445 get_property(LLVM_LIT_PARAMS GLOBAL PROPERTY LLVM_LIT_PARAMS) 446 get_property(LLVM_LIT_DEPENDS GLOBAL PROPERTY LLVM_LIT_DEPENDS) 447 get_property(LLVM_LIT_EXTRA_ARGS GLOBAL PROPERTY LLVM_LIT_EXTRA_ARGS) 448 add_lit_target(check-all 449 "Running all regression tests" 450 ${LLVM_LIT_TESTSUITES} 451 PARAMS ${LLVM_LIT_PARAMS} 452 DEPENDS ${LLVM_LIT_DEPENDS} 453 ARGS ${LLVM_LIT_EXTRA_ARGS} 454 ) 455 endif() 456 457 add_subdirectory(cmake/modules) 458 459 install(DIRECTORY include/ 460 DESTINATION include 461 FILES_MATCHING 462 PATTERN "*.def" 463 PATTERN "*.h" 464 PATTERN "*.td" 465 PATTERN "*.inc" 466 PATTERN "LICENSE.TXT" 467 PATTERN ".svn" EXCLUDE 468 ) 469 470 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/ 471 DESTINATION include 472 FILES_MATCHING 473 PATTERN "*.def" 474 PATTERN "*.h" 475 PATTERN "*.gen" 476 PATTERN "*.inc" 477 # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def" 478 PATTERN "CMakeFiles" EXCLUDE 479 PATTERN ".svn" EXCLUDE 480 ) 481 482 # TODO: make and install documentation. 483 484 set(CPACK_PACKAGE_VENDOR "LLVM") 485 set(CPACK_PACKAGE_VERSION_MAJOR ${LLVM_VERSION_MAJOR}) 486 set(CPACK_PACKAGE_VERSION_MINOR ${LLVM_VERSION_MINOR}) 487 add_version_info_from_vcs(CPACK_PACKAGE_VERSION_PATCH) 488 include(CPack) 489 490 # Workaround for MSVS10 to avoid the Dialog Hell 491 # FIXME: This could be removed with future version of CMake. 492 if(MSVC_VERSION EQUAL 1600) 493 set(LLVM_SLN_FILENAME "${CMAKE_CURRENT_BINARY_DIR}/LLVM.sln") 494 if( EXISTS "${LLVM_SLN_FILENAME}" ) 495 file(APPEND "${LLVM_SLN_FILENAME}" "\n# This should be regenerated!\n") 496 endif() 497 endif() 498
