1 # See docs/CMake.html for instructions about how to build LLVM with CMake. 2 3 cmake_minimum_required(VERSION 2.8.12.2) 4 5 if (NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES) 6 message(STATUS "No build type selected, default to Debug") 7 set(CMAKE_BUILD_TYPE "Debug") 8 endif() 9 10 if(POLICY CMP0022) 11 cmake_policy(SET CMP0022 NEW) # automatic when 2.8.12 is required 12 endif() 13 14 if (POLICY CMP0051) 15 # CMake 3.1 and higher include generator expressions of the form 16 # $<TARGETLIB:obj> in the SOURCES property. These need to be 17 # stripped everywhere that access the SOURCES property, so we just 18 # defer to the OLD behavior of not including generator expressions 19 # in the output for now. 20 cmake_policy(SET CMP0051 OLD) 21 endif() 22 23 if(CMAKE_VERSION VERSION_LESS 3.1.20141117) 24 set(cmake_3_2_USES_TERMINAL) 25 else() 26 set(cmake_3_2_USES_TERMINAL USES_TERMINAL) 27 endif() 28 29 if(NOT DEFINED LLVM_VERSION_MAJOR) 30 set(LLVM_VERSION_MAJOR 3) 31 endif() 32 if(NOT DEFINED LLVM_VERSION_MINOR) 33 set(LLVM_VERSION_MINOR 8) 34 endif() 35 if(NOT DEFINED LLVM_VERSION_PATCH) 36 set(LLVM_VERSION_PATCH 0) 37 endif() 38 if(NOT DEFINED LLVM_VERSION_SUFFIX) 39 set(LLVM_VERSION_SUFFIX svn) 40 endif() 41 42 if (POLICY CMP0048) 43 cmake_policy(SET CMP0048 NEW) 44 set(cmake_3_0_PROJ_VERSION 45 VERSION ${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}) 46 set(cmake_3_0_LANGUAGES LANGUAGES) 47 endif() 48 49 if (NOT PACKAGE_VERSION) 50 set(PACKAGE_VERSION 51 "${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}${LLVM_VERSION_SUFFIX}") 52 endif() 53 54 project(LLVM 55 ${cmake_3_0_PROJ_VERSION} 56 ${cmake_3_0_LANGUAGES} 57 C CXX ASM) 58 59 # The following only works with the Ninja generator in CMake >= 3.0. 60 set(LLVM_PARALLEL_COMPILE_JOBS "" CACHE STRING 61 "Define the maximum number of concurrent compilation jobs.") 62 if(LLVM_PARALLEL_COMPILE_JOBS) 63 if(CMAKE_VERSION VERSION_LESS 3.0 OR NOT CMAKE_MAKE_PROGRAM MATCHES "ninja") 64 message(WARNING "Job pooling is only available with Ninja generators and CMake 3.0 and later.") 65 else() 66 set_property(GLOBAL APPEND PROPERTY JOB_POOLS compile_job_pool=${LLVM_PARALLEL_COMPILE_JOBS}) 67 set(CMAKE_JOB_POOL_COMPILE compile_job_pool) 68 endif() 69 endif() 70 71 set(LLVM_PARALLEL_LINK_JOBS "" CACHE STRING 72 "Define the maximum number of concurrent link jobs.") 73 if(LLVM_PARALLEL_LINK_JOBS) 74 if(CMAKE_VERSION VERSION_LESS 3.0 OR NOT CMAKE_MAKE_PROGRAM MATCHES "ninja") 75 message(WARNING "Job pooling is only available with Ninja generators and CMake 3.0 and later.") 76 else() 77 set_property(GLOBAL APPEND PROPERTY JOB_POOLS link_job_pool=${LLVM_PARALLEL_LINK_JOBS}) 78 set(CMAKE_JOB_POOL_LINK link_job_pool) 79 endif() 80 endif() 81 82 # Add path for custom modules 83 set(CMAKE_MODULE_PATH 84 ${CMAKE_MODULE_PATH} 85 "${CMAKE_CURRENT_SOURCE_DIR}/cmake" 86 "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules" 87 ) 88 89 # Generate a CompilationDatabase (compile_commands.json file) for our build, 90 # for use by clang_complete, YouCompleteMe, etc. 91 set(CMAKE_EXPORT_COMPILE_COMMANDS 1) 92 93 option(LLVM_INSTALL_UTILS "Include utility binaries in the 'install' target." OFF) 94 95 option(LLVM_INSTALL_TOOLCHAIN_ONLY "Only include toolchain files in the 'install' target." OFF) 96 97 option(LLVM_USE_FOLDERS "Enable solution folders in Visual Studio. Disable for Express versions." ON) 98 if ( LLVM_USE_FOLDERS ) 99 set_property(GLOBAL PROPERTY USE_FOLDERS ON) 100 endif() 101 102 include(VersionFromVCS) 103 104 option(LLVM_APPEND_VC_REV 105 "Append the version control system revision id to LLVM version" OFF) 106 107 if( LLVM_APPEND_VC_REV ) 108 add_version_info_from_vcs(PACKAGE_VERSION) 109 endif() 110 111 set(PACKAGE_NAME LLVM) 112 set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}") 113 set(PACKAGE_BUGREPORT "http://llvm.org/bugs/") 114 115 set(BUG_REPORT_URL "${PACKAGE_BUGREPORT}" CACHE STRING 116 "Default URL where bug reports are to be submitted.") 117 118 # Configure CPack. 119 set(CPACK_PACKAGE_INSTALL_DIRECTORY "LLVM") 120 set(CPACK_PACKAGE_VENDOR "LLVM") 121 set(CPACK_PACKAGE_VERSION_MAJOR ${LLVM_VERSION_MAJOR}) 122 set(CPACK_PACKAGE_VERSION_MINOR ${LLVM_VERSION_MINOR}) 123 set(CPACK_PACKAGE_VERSION_PATCH ${LLVM_VERSION_PATCH}) 124 set(CPACK_PACKAGE_VERSION ${PACKAGE_VERSION}) 125 set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE.TXT") 126 set(CPACK_NSIS_COMPRESSOR "/SOLID lzma \r\n SetCompressorDictSize 32") 127 if(WIN32 AND NOT UNIX) 128 set(CPACK_PACKAGE_INSTALL_REGISTRY_KEY "LLVM") 129 set(CPACK_PACKAGE_ICON "${CMAKE_CURRENT_SOURCE_DIR}\\\\cmake\\\\nsis_logo.bmp") 130 set(CPACK_NSIS_MUI_ICON "${CMAKE_CURRENT_SOURCE_DIR}\\\\cmake\\\\nsis_icon.ico") 131 set(CPACK_NSIS_MUI_UNIICON "${CMAKE_CURRENT_SOURCE_DIR}\\\\cmake\\\\nsis_icon.ico") 132 set(CPACK_NSIS_MODIFY_PATH "ON") 133 set(CPACK_NSIS_ENABLE_UNINSTALL_BEFORE_INSTALL "ON") 134 set(CPACK_NSIS_EXTRA_INSTALL_COMMANDS 135 "ExecWait '$INSTDIR/tools/msbuild/install.bat'") 136 set(CPACK_NSIS_EXTRA_UNINSTALL_COMMANDS 137 "ExecWait '$INSTDIR/tools/msbuild/uninstall.bat'") 138 if( CMAKE_CL_64 ) 139 set(CPACK_NSIS_INSTALL_ROOT "$PROGRAMFILES64") 140 endif() 141 endif() 142 include(CPack) 143 144 # Sanity check our source directory to make sure that we are not trying to 145 # generate an in-tree build (unless on MSVC_IDE, where it is ok), and to make 146 # sure that we don't have any stray generated files lying around in the tree 147 # (which would end up getting picked up by header search, instead of the correct 148 # versions). 149 if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE ) 150 message(FATAL_ERROR "In-source builds are not allowed. 151 CMake would overwrite the makefiles distributed with LLVM. 152 Please create a directory and run cmake from there, passing the path 153 to this source directory as the last argument. 154 This process created the file `CMakeCache.txt' and the directory `CMakeFiles'. 155 Please delete them.") 156 endif() 157 if( NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR ) 158 file(GLOB_RECURSE 159 tablegenned_files_on_include_dir 160 "${CMAKE_CURRENT_SOURCE_DIR}/include/llvm/*.gen") 161 file(GLOB_RECURSE 162 tablegenned_files_on_lib_dir 163 "${CMAKE_CURRENT_SOURCE_DIR}/lib/Target/*.inc") 164 if( tablegenned_files_on_include_dir OR tablegenned_files_on_lib_dir) 165 message(FATAL_ERROR "Apparently there is a previous in-source build, 166 probably as the result of running `configure' and `make' on 167 ${CMAKE_CURRENT_SOURCE_DIR}. 168 This may cause problems. The suspicious files are: 169 ${tablegenned_files_on_lib_dir} 170 ${tablegenned_files_on_include_dir} 171 Please clean the source directory.") 172 endif() 173 endif() 174 175 string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE) 176 177 if (CMAKE_BUILD_TYPE AND 178 NOT uppercase_CMAKE_BUILD_TYPE MATCHES "^(DEBUG|RELEASE|RELWITHDEBINFO|MINSIZEREL)$") 179 message(FATAL_ERROR "Invalid value for CMAKE_BUILD_TYPE: ${CMAKE_BUILD_TYPE}") 180 endif() 181 182 set(LLVM_LIBDIR_SUFFIX "" CACHE STRING "Define suffix of library directory name (32/64)" ) 183 184 # They are used as destination of target generators. 185 set(LLVM_RUNTIME_OUTPUT_INTDIR ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/bin) 186 set(LLVM_LIBRARY_OUTPUT_INTDIR ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib${LLVM_LIBDIR_SUFFIX}) 187 if(WIN32 OR CYGWIN) 188 # DLL platform -- put DLLs into bin. 189 set(LLVM_SHLIB_OUTPUT_INTDIR ${LLVM_RUNTIME_OUTPUT_INTDIR}) 190 else() 191 set(LLVM_SHLIB_OUTPUT_INTDIR ${LLVM_LIBRARY_OUTPUT_INTDIR}) 192 endif() 193 194 # Each of them corresponds to llvm-config's. 195 set(LLVM_TOOLS_BINARY_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR}) # --bindir 196 set(LLVM_LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}) # --libdir 197 set(LLVM_MAIN_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR} ) # --src-root 198 set(LLVM_MAIN_INCLUDE_DIR ${LLVM_MAIN_SRC_DIR}/include ) # --includedir 199 set(LLVM_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR} ) # --prefix 200 201 set(LLVM_EXAMPLES_BINARY_DIR ${LLVM_BINARY_DIR}/examples) 202 set(LLVM_INCLUDE_DIR ${CMAKE_CURRENT_BINARY_DIR}/include) 203 204 set(LLVM_ALL_TARGETS 205 AArch64 206 AMDGPU 207 ARM 208 BPF 209 CppBackend 210 Hexagon 211 Mips 212 MSP430 213 NVPTX 214 PowerPC 215 Sparc 216 SystemZ 217 X86 218 XCore 219 ) 220 221 # List of targets with JIT support: 222 set(LLVM_TARGETS_WITH_JIT X86 PowerPC AArch64 ARM Mips SystemZ) 223 224 set(LLVM_TARGETS_TO_BUILD "all" 225 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".") 226 227 set(LLVM_EXPERIMENTAL_TARGETS_TO_BUILD "" 228 CACHE STRING "Semicolon-separated list of experimental targets to build.") 229 230 option(BUILD_SHARED_LIBS 231 "Build all libraries as shared libraries instead of static" OFF) 232 233 option(LLVM_ENABLE_TIMESTAMPS "Enable embedding timestamp information in build" ON) 234 if(LLVM_ENABLE_TIMESTAMPS) 235 set(ENABLE_TIMESTAMPS 1) 236 endif() 237 238 option(LLVM_ENABLE_BACKTRACES "Enable embedding backtraces on crash." ON) 239 if(LLVM_ENABLE_BACKTRACES) 240 set(ENABLE_BACKTRACES 1) 241 endif() 242 243 option(LLVM_ENABLE_CRASH_OVERRIDES "Enable crash overrides." ON) 244 if(LLVM_ENABLE_CRASH_OVERRIDES) 245 set(ENABLE_CRASH_OVERRIDES 1) 246 endif() 247 248 option(LLVM_ENABLE_FFI "Use libffi to call external functions from the interpreter" OFF) 249 set(FFI_LIBRARY_DIR "" CACHE PATH "Additional directory, where CMake should search for libffi.so") 250 set(FFI_INCLUDE_DIR "" CACHE PATH "Additional directory, where CMake should search for ffi.h or ffi/ffi.h") 251 252 set(LLVM_TARGET_ARCH "host" 253 CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.") 254 255 option(LLVM_ENABLE_TERMINFO "Use terminfo database if available." ON) 256 257 option(LLVM_ENABLE_THREADS "Use threads if available." ON) 258 259 option(LLVM_ENABLE_ZLIB "Use zlib for compression/decompression if available." ON) 260 261 if( LLVM_TARGETS_TO_BUILD STREQUAL "all" ) 262 set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} ) 263 endif() 264 265 set(LLVM_TARGETS_TO_BUILD 266 ${LLVM_TARGETS_TO_BUILD} 267 ${LLVM_EXPERIMENTAL_TARGETS_TO_BUILD}) 268 list(REMOVE_DUPLICATES LLVM_TARGETS_TO_BUILD) 269 270 include(AddLLVMDefinitions) 271 272 option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON) 273 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON) 274 option(LLVM_ENABLE_MODULES "Compile with C++ modules enabled." OFF) 275 option(LLVM_ENABLE_CXX1Y "Compile with C++1y enabled." OFF) 276 option(LLVM_ENABLE_LIBCXX "Use libc++ if available." OFF) 277 option(LLVM_ENABLE_LIBCXXABI "Use libc++abi when using libc++." OFF) 278 option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON) 279 option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF) 280 281 if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG" ) 282 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF) 283 else() 284 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON) 285 endif() 286 287 set(LLVM_ABI_BREAKING_CHECKS "WITH_ASSERTS" CACHE STRING 288 "Enable abi-breaking checks. Can be WITH_ASSERTS, FORCE_ON or FORCE_OFF.") 289 290 option(LLVM_FORCE_USE_OLD_HOST_TOOLCHAIN 291 "Set to ON to force using an old, unsupported host toolchain." OFF) 292 293 option(LLVM_USE_INTEL_JITEVENTS 294 "Use Intel JIT API to inform Intel(R) VTune(TM) Amplifier XE 2011 about JIT code" 295 OFF) 296 297 if( LLVM_USE_INTEL_JITEVENTS ) 298 # Verify we are on a supported platform 299 if( NOT CMAKE_SYSTEM_NAME MATCHES "Windows" AND NOT CMAKE_SYSTEM_NAME MATCHES "Linux" ) 300 message(FATAL_ERROR 301 "Intel JIT API support is available on Linux and Windows only.") 302 endif() 303 endif( LLVM_USE_INTEL_JITEVENTS ) 304 305 option(LLVM_USE_OPROFILE 306 "Use opagent JIT interface to inform OProfile about JIT code" OFF) 307 308 option(LLVM_EXTERNALIZE_DEBUGINFO 309 "Generate dSYM files and strip executables and libraries (Darwin Only)" OFF) 310 311 # If enabled, verify we are on a platform that supports oprofile. 312 if( LLVM_USE_OPROFILE ) 313 if( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" ) 314 message(FATAL_ERROR "OProfile support is available on Linux only.") 315 endif( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" ) 316 endif( LLVM_USE_OPROFILE ) 317 318 set(LLVM_USE_SANITIZER "" CACHE STRING 319 "Define the sanitizer used to build binaries and tests.") 320 321 option(LLVM_USE_SPLIT_DWARF 322 "Use -gsplit-dwarf when compiling llvm." OFF) 323 324 option(WITH_POLLY "Build LLVM with Polly" ON) 325 option(LINK_POLLY_INTO_TOOLS "Static link Polly into tools" OFF) 326 327 # Define an option controlling whether we should build for 32-bit on 64-bit 328 # platforms, where supported. 329 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 ) 330 # TODO: support other platforms and toolchains. 331 option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF) 332 endif() 333 334 # Define the default arguments to use with 'lit', and an option for the user to 335 # override. 336 set(LIT_ARGS_DEFAULT "-sv") 337 if (MSVC_IDE OR XCODE) 338 set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar") 339 endif() 340 set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit") 341 342 # On Win32 hosts, provide an option to specify the path to the GnuWin32 tools. 343 if( WIN32 AND NOT CYGWIN ) 344 set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools") 345 endif() 346 347 # Define options to control the inclusion and default build behavior for 348 # components which may not strictly be necessary (tools, examples, and tests). 349 # 350 # This is primarily to support building smaller or faster project files. 351 option(LLVM_INCLUDE_TOOLS "Generate build targets for the LLVM tools." ON) 352 option(LLVM_BUILD_TOOLS 353 "Build the LLVM tools. If OFF, just generate build targets." ON) 354 355 option(LLVM_INCLUDE_UTILS "Generate build targets for the LLVM utils." ON) 356 357 option(LLVM_BUILD_RUNTIME 358 "Build the LLVM runtime libraries." ON) 359 option(LLVM_BUILD_EXAMPLES 360 "Build the LLVM example programs. If OFF, just generate build targets." OFF) 361 option(LLVM_INCLUDE_EXAMPLES "Generate build targets for the LLVM examples" ON) 362 363 option(LLVM_BUILD_TESTS 364 "Build LLVM unit tests. If OFF, just generate build targets." OFF) 365 option(LLVM_INCLUDE_TESTS "Generate build targets for the LLVM unit tests." ON) 366 option(LLVM_INCLUDE_GO_TESTS "Include the Go bindings tests in test build targets." ON) 367 368 option (LLVM_BUILD_DOCS "Build the llvm documentation." OFF) 369 option (LLVM_INCLUDE_DOCS "Generate build targets for llvm documentation." ON) 370 option (LLVM_ENABLE_DOXYGEN "Use doxygen to generate llvm API documentation." OFF) 371 option (LLVM_ENABLE_SPHINX "Use Sphinx to generate llvm documentation." OFF) 372 373 option (LLVM_BUILD_EXTERNAL_COMPILER_RT 374 "Build compiler-rt as an external project." OFF) 375 376 # You can configure which libraries from LLVM you want to include in the 377 # shared library by setting LLVM_DYLIB_COMPONENTS to a semi-colon delimited 378 # list of LLVM components. All component names handled by llvm-config are valid. 379 if(NOT DEFINED LLVM_DYLIB_COMPONENTS) 380 set(LLVM_DYLIB_COMPONENTS "all" CACHE STRING 381 "Semicolon-separated list of components to include in libLLVM, or \"all\".") 382 endif() 383 option(LLVM_LINK_LLVM_DYLIB "Link tools against the libllvm dynamic library" OFF) 384 option(LLVM_BUILD_LLVM_C_DYLIB "Build libllvm-c re-export library (Darwin Only)" OFF) 385 set(LLVM_BUILD_LLVM_DYLIB_default OFF) 386 if(LLVM_LINK_LLVM_DYLIB OR LLVM_BUILD_LLVM_C_DYLIB) 387 set(LLVM_BUILD_LLVM_DYLIB_default ON) 388 endif() 389 option(LLVM_BUILD_LLVM_DYLIB "Build libllvm dynamic library" ${LLVM_BUILD_LLVM_DYLIB_default}) 390 set(LLVM_DISABLE_LLVM_DYLIB_ATEXIT_DEFAULT ON) 391 if (LLVM_LINK_LLVM_DYLIB) 392 set(LLVM_DISABLE_LLVM_DYLIB_ATEXIT_DEFAULT OFF) 393 endif() 394 option(LLVM_DISABLE_LLVM_DYLIB_ATEXIT "Disable llvm-shlib's atexit destructors." ${LLVM_DISABLE_LLVM_DYLIB_ATEXIT_DEFAULT}) 395 if(LLVM_DISABLE_LLVM_DYLIB_ATEXIT) 396 set(DISABLE_LLVM_DYLIB_ATEXIT 1) 397 endif() 398 399 option(LLVM_OPTIMIZED_TABLEGEN "Force TableGen to be built with optimization" OFF) 400 if(CMAKE_CROSSCOMPILING OR (LLVM_OPTIMIZED_TABLEGEN AND LLVM_ENABLE_ASSERTIONS)) 401 set(LLVM_USE_HOST_TOOLS ON) 402 endif() 403 404 # All options referred to from HandleLLVMOptions have to be specified 405 # BEFORE this include, otherwise options will not be correctly set on 406 # first cmake run 407 include(config-ix) 408 409 # By default, we target the host, but this can be overridden at CMake 410 # invocation time. 411 set(LLVM_DEFAULT_TARGET_TRIPLE "${LLVM_HOST_TRIPLE}" CACHE STRING 412 "Default target for which LLVM will generate code." ) 413 set(TARGET_TRIPLE "${LLVM_DEFAULT_TARGET_TRIPLE}") 414 415 include(HandleLLVMOptions) 416 417 # Verify that we can find a Python 2 interpreter. Python 3 is unsupported. 418 # FIXME: We should support systems with only Python 3, but that requires work 419 # on LLDB. 420 set(Python_ADDITIONAL_VERSIONS 2.7) 421 include(FindPythonInterp) 422 if( NOT PYTHONINTERP_FOUND ) 423 message(FATAL_ERROR 424 "Unable to find Python interpreter, required for builds and testing. 425 426 Please install Python or specify the PYTHON_EXECUTABLE CMake variable.") 427 endif() 428 429 if( ${PYTHON_VERSION_STRING} VERSION_LESS 2.7 ) 430 message(FATAL_ERROR "Python 2.7 or newer is required") 431 endif() 432 433 ###### 434 # LLVMBuild Integration 435 # 436 # We use llvm-build to generate all the data required by the CMake based 437 # build system in one swoop: 438 # 439 # - We generate a file (a CMake fragment) in the object root which contains 440 # all the definitions that are required by CMake. 441 # 442 # - We generate the library table used by llvm-config. 443 # 444 # - We generate the dependencies for the CMake fragment, so that we will 445 # automatically reconfigure outselves. 446 447 set(LLVMBUILDTOOL "${LLVM_MAIN_SRC_DIR}/utils/llvm-build/llvm-build") 448 set(LLVMCONFIGLIBRARYDEPENDENCIESINC 449 "${LLVM_BINARY_DIR}/tools/llvm-config/LibraryDependencies.inc") 450 set(LLVMBUILDCMAKEFRAG 451 "${LLVM_BINARY_DIR}/LLVMBuild.cmake") 452 453 # Create the list of optional components that are enabled 454 if (LLVM_USE_INTEL_JITEVENTS) 455 set(LLVMOPTIONALCOMPONENTS IntelJITEvents) 456 endif (LLVM_USE_INTEL_JITEVENTS) 457 if (LLVM_USE_OPROFILE) 458 set(LLVMOPTIONALCOMPONENTS ${LLVMOPTIONALCOMPONENTS} OProfileJIT) 459 endif (LLVM_USE_OPROFILE) 460 461 message(STATUS "Constructing LLVMBuild project information") 462 execute_process( 463 COMMAND ${PYTHON_EXECUTABLE} ${LLVMBUILDTOOL} 464 --native-target "${LLVM_NATIVE_ARCH}" 465 --enable-targets "${LLVM_TARGETS_TO_BUILD}" 466 --enable-optional-components "${LLVMOPTIONALCOMPONENTS}" 467 --write-library-table ${LLVMCONFIGLIBRARYDEPENDENCIESINC} 468 --write-cmake-fragment ${LLVMBUILDCMAKEFRAG} 469 OUTPUT_VARIABLE LLVMBUILDOUTPUT 470 ERROR_VARIABLE LLVMBUILDERRORS 471 OUTPUT_STRIP_TRAILING_WHITESPACE 472 ERROR_STRIP_TRAILING_WHITESPACE 473 RESULT_VARIABLE LLVMBUILDRESULT) 474 475 # On Win32, CMake doesn't properly handle piping the default output/error 476 # streams into the GUI console. So, we explicitly catch and report them. 477 if( NOT "${LLVMBUILDOUTPUT}" STREQUAL "") 478 message(STATUS "llvm-build output: ${LLVMBUILDOUTPUT}") 479 endif() 480 if( NOT "${LLVMBUILDRESULT}" STREQUAL "0" ) 481 message(FATAL_ERROR 482 "Unexpected failure executing llvm-build: ${LLVMBUILDERRORS}") 483 endif() 484 485 # Include the generated CMake fragment. This will define properties from the 486 # LLVMBuild files in a format which is easy to consume from CMake, and will add 487 # the dependencies so that CMake will reconfigure properly when the LLVMBuild 488 # files change. 489 include(${LLVMBUILDCMAKEFRAG}) 490 491 ###### 492 493 # Configure all of the various header file fragments LLVM uses which depend on 494 # configuration variables. 495 set(LLVM_ENUM_TARGETS "") 496 set(LLVM_ENUM_ASM_PRINTERS "") 497 set(LLVM_ENUM_ASM_PARSERS "") 498 set(LLVM_ENUM_DISASSEMBLERS "") 499 foreach(t ${LLVM_TARGETS_TO_BUILD}) 500 set( td ${LLVM_MAIN_SRC_DIR}/lib/Target/${t} ) 501 502 list(FIND LLVM_ALL_TARGETS ${t} idx) 503 list(FIND LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ${t} idy) 504 if( idx LESS 0 AND idy LESS 0 ) 505 message(FATAL_ERROR "The target `${t}' does not exist. 506 It should be one of\n${LLVM_ALL_TARGETS}") 507 else() 508 set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${t})\n") 509 endif() 510 511 file(GLOB asmp_file "${td}/*AsmPrinter.cpp") 512 if( asmp_file ) 513 set(LLVM_ENUM_ASM_PRINTERS 514 "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n") 515 endif() 516 if( EXISTS ${td}/AsmParser/CMakeLists.txt ) 517 set(LLVM_ENUM_ASM_PARSERS 518 "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n") 519 endif() 520 if( EXISTS ${td}/Disassembler/CMakeLists.txt ) 521 set(LLVM_ENUM_DISASSEMBLERS 522 "${LLVM_ENUM_DISASSEMBLERS}LLVM_DISASSEMBLER(${t})\n") 523 endif() 524 endforeach(t) 525 526 # Produce the target definition files, which provide a way for clients to easily 527 # include various classes of targets. 528 configure_file( 529 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in 530 ${LLVM_INCLUDE_DIR}/llvm/Config/AsmPrinters.def 531 ) 532 configure_file( 533 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in 534 ${LLVM_INCLUDE_DIR}/llvm/Config/AsmParsers.def 535 ) 536 configure_file( 537 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Disassemblers.def.in 538 ${LLVM_INCLUDE_DIR}/llvm/Config/Disassemblers.def 539 ) 540 configure_file( 541 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in 542 ${LLVM_INCLUDE_DIR}/llvm/Config/Targets.def 543 ) 544 545 # Configure the three LLVM configuration header files. 546 configure_file( 547 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/config.h.cmake 548 ${LLVM_INCLUDE_DIR}/llvm/Config/config.h) 549 configure_file( 550 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/llvm-config.h.cmake 551 ${LLVM_INCLUDE_DIR}/llvm/Config/llvm-config.h) 552 configure_file( 553 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Support/DataTypes.h.cmake 554 ${LLVM_INCLUDE_DIR}/llvm/Support/DataTypes.h) 555 556 # They are not referenced. See set_output_directory(). 557 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/bin ) 558 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} ) 559 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} ) 560 561 set(CMAKE_BUILD_WITH_INSTALL_RPATH ON) 562 if (APPLE) 563 set(CMAKE_INSTALL_NAME_DIR "@rpath") 564 set(CMAKE_INSTALL_RPATH "@executable_path/../lib") 565 else(UNIX) 566 if(NOT DEFINED CMAKE_INSTALL_RPATH) 567 set(CMAKE_INSTALL_RPATH "\$ORIGIN/../lib${LLVM_LIBDIR_SUFFIX}") 568 if(${CMAKE_SYSTEM_NAME} MATCHES "(FreeBSD|DragonFly)") 569 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-z,origin") 570 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,-z,origin") 571 endif() 572 endif(NOT DEFINED CMAKE_INSTALL_RPATH) 573 endif() 574 575 if(APPLE AND DARWIN_LTO_LIBRARY) 576 set(CMAKE_EXE_LINKER_FLAGS 577 "${CMAKE_EXE_LINKER_FLAGS} -Wl,-lto_library -Wl,${DARWIN_LTO_LIBRARY}") 578 set(CMAKE_SHARED_LINKER_FLAGS 579 "${CMAKE_SHARED_LINKER_FLAGS} -Wl,-lto_library -Wl,${DARWIN_LTO_LIBRARY}") 580 set(CMAKE_MODULE_LINKER_FLAGS 581 "${CMAKE_MODULE_LINKER_FLAGS} -Wl,-lto_library -Wl,${DARWIN_LTO_LIBRARY}") 582 endif() 583 584 # Work around a broken bfd ld behavior. When linking a binary with a 585 # foo.so library, it will try to find any library that foo.so uses and 586 # check its symbols. This is wasteful (the check was done when foo.so 587 # was created) and can fail since it is not the dynamic linker and 588 # doesn't know how to handle search paths correctly. 589 if (UNIX AND NOT APPLE AND NOT ${CMAKE_SYSTEM_NAME} MATCHES "SunOS") 590 set(CMAKE_EXE_LINKER_FLAGS 591 "${CMAKE_EXE_LINKER_FLAGS} -Wl,-allow-shlib-undefined") 592 endif() 593 594 set(CMAKE_INCLUDE_CURRENT_DIR ON) 595 596 include_directories( ${LLVM_INCLUDE_DIR} ${LLVM_MAIN_INCLUDE_DIR}) 597 598 # when crosscompiling import the executable targets from a file 599 if(LLVM_USE_HOST_TOOLS) 600 include(CrossCompile) 601 endif(LLVM_USE_HOST_TOOLS) 602 if(LLVM_TARGET_IS_CROSSCOMPILE_HOST) 603 # Dummy use to avoid CMake Wraning: Manually-specified variables were not used 604 # (this is a variable that CrossCompile sets on recursive invocations) 605 endif() 606 607 if(${CMAKE_SYSTEM_NAME} MATCHES "(FreeBSD|DragonFly)") 608 # On FreeBSD, /usr/local/* is not used by default. In order to build LLVM 609 # with libxml2, iconv.h, etc., we must add /usr/local paths. 610 include_directories("/usr/local/include") 611 link_directories("/usr/local/lib") 612 endif(${CMAKE_SYSTEM_NAME} MATCHES "(FreeBSD|DragonFly)") 613 614 if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS ) 615 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -include llvm/Support/Solaris.h") 616 endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS ) 617 618 # Make sure we don't get -rdynamic in every binary. For those that need it, 619 # use export_executable_symbols(target). 620 set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "") 621 622 set(LLVM_PROFDATA_FILE "" CACHE FILEPATH 623 "Profiling data file to use when compiling in order to improve runtime performance.") 624 625 if(LLVM_PROFDATA_FILE AND EXISTS ${LLVM_PROFDATA_FILE}) 626 if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" ) 627 add_definitions("-fprofile-instr-use=${LLVM_PROFDATA_FILE}") 628 else() 629 message(FATAL_ERROR "LLVM_PROFDATA_FILE can only be specified when compiling with clang") 630 endif() 631 endif() 632 633 include(AddLLVM) 634 include(TableGen) 635 636 if( MINGW ) 637 # People report that -O3 is unreliable on MinGW. The traditional 638 # build also uses -O2 for that reason: 639 llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2") 640 endif() 641 642 # Put this before tblgen. Else we have a circular dependence. 643 add_subdirectory(lib/Support) 644 add_subdirectory(lib/TableGen) 645 646 add_subdirectory(utils/TableGen) 647 648 add_subdirectory(include/llvm) 649 650 add_subdirectory(lib) 651 652 if( LLVM_INCLUDE_UTILS ) 653 add_subdirectory(utils/FileCheck) 654 add_subdirectory(utils/PerfectShuffle) 655 add_subdirectory(utils/count) 656 add_subdirectory(utils/not) 657 add_subdirectory(utils/llvm-lit) 658 add_subdirectory(utils/yaml-bench) 659 else() 660 if ( LLVM_INCLUDE_TESTS ) 661 message(FATAL_ERROR "Including tests when not building utils will not work. 662 Either set LLVM_INCLUDE_UTILS to On, or set LLVM_INCLDE_TESTS to Off.") 663 endif() 664 endif() 665 666 if(LLVM_INCLUDE_TESTS) 667 add_subdirectory(utils/unittest) 668 endif() 669 670 foreach( binding ${LLVM_BINDINGS_LIST} ) 671 if( EXISTS "${LLVM_MAIN_SRC_DIR}/bindings/${binding}/CMakeLists.txt" ) 672 add_subdirectory(bindings/${binding}) 673 endif() 674 endforeach() 675 676 add_subdirectory(projects) 677 678 if(WITH_POLLY) 679 if(NOT EXISTS ${LLVM_MAIN_SRC_DIR}/tools/polly/CMakeLists.txt) 680 set(WITH_POLLY OFF) 681 endif() 682 endif(WITH_POLLY) 683 684 if( LLVM_INCLUDE_TOOLS ) 685 add_subdirectory(tools) 686 endif() 687 688 if( LLVM_INCLUDE_EXAMPLES ) 689 add_subdirectory(examples) 690 endif() 691 692 if( LLVM_INCLUDE_TESTS ) 693 if(EXISTS ${LLVM_MAIN_SRC_DIR}/projects/test-suite AND TARGET clang) 694 include(LLVMExternalProjectUtils) 695 llvm_ExternalProject_Add(test-suite ${LLVM_MAIN_SRC_DIR}/projects/test-suite 696 USE_TOOLCHAIN 697 EXCLUDE_FROM_ALL 698 NO_INSTALL) 699 endif() 700 add_subdirectory(test) 701 add_subdirectory(unittests) 702 if (MSVC) 703 # This utility is used to prevent crashing tests from calling Dr. Watson on 704 # Windows. 705 add_subdirectory(utils/KillTheDoctor) 706 endif() 707 708 # Add a global check rule now that all subdirectories have been traversed 709 # and we know the total set of lit testsuites. 710 get_property(LLVM_LIT_TESTSUITES GLOBAL PROPERTY LLVM_LIT_TESTSUITES) 711 get_property(LLVM_LIT_PARAMS GLOBAL PROPERTY LLVM_LIT_PARAMS) 712 get_property(LLVM_LIT_DEPENDS GLOBAL PROPERTY LLVM_LIT_DEPENDS) 713 get_property(LLVM_LIT_EXTRA_ARGS GLOBAL PROPERTY LLVM_LIT_EXTRA_ARGS) 714 add_lit_target(check-all 715 "Running all regression tests" 716 ${LLVM_LIT_TESTSUITES} 717 PARAMS ${LLVM_LIT_PARAMS} 718 DEPENDS ${LLVM_LIT_DEPENDS} 719 ARGS ${LLVM_LIT_EXTRA_ARGS} 720 ) 721 endif() 722 723 if (LLVM_INCLUDE_DOCS) 724 add_subdirectory(docs) 725 endif() 726 727 add_subdirectory(cmake/modules) 728 729 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY) 730 install(DIRECTORY include/llvm include/llvm-c 731 DESTINATION include 732 COMPONENT llvm-headers 733 FILES_MATCHING 734 PATTERN "*.def" 735 PATTERN "*.h" 736 PATTERN "*.td" 737 PATTERN "*.inc" 738 PATTERN "LICENSE.TXT" 739 PATTERN ".svn" EXCLUDE 740 ) 741 742 install(DIRECTORY ${LLVM_INCLUDE_DIR}/llvm 743 DESTINATION include 744 COMPONENT llvm-headers 745 FILES_MATCHING 746 PATTERN "*.def" 747 PATTERN "*.h" 748 PATTERN "*.gen" 749 PATTERN "*.inc" 750 # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def" 751 PATTERN "CMakeFiles" EXCLUDE 752 PATTERN "config.h" EXCLUDE 753 PATTERN ".svn" EXCLUDE 754 ) 755 756 if (NOT CMAKE_CONFIGURATION_TYPES) 757 add_custom_target(installhdrs 758 DEPENDS ${name} 759 COMMAND "${CMAKE_COMMAND}" 760 -DCMAKE_INSTALL_COMPONENT=llvm-headers 761 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake") 762 endif() 763 endif() 764
