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 "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules" 11 ) 12 13 set(LLVM_VERSION_MAJOR 3) 14 set(LLVM_VERSION_MINOR 4) 15 16 set(PACKAGE_VERSION "${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 MSP430 83 NVPTX 84 PowerPC 85 R600 86 Sparc 87 SystemZ 88 X86 89 XCore 90 ) 91 92 # List of targets with JIT support: 93 set(LLVM_TARGETS_WITH_JIT X86 PowerPC AArch64 ARM Mips SystemZ) 94 95 set(LLVM_TARGETS_TO_BUILD "all" 96 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".") 97 98 set(LLVM_EXPERIMENTAL_TARGETS_TO_BUILD "" 99 CACHE STRING "Semicolon-separated list of experimental targets to build.") 100 101 option(BUILD_SHARED_LIBS 102 "Build all libraries as shared libraries instead of static" OFF) 103 104 option(LLVM_ENABLE_CBE_PRINTF_A "Set to ON if CBE is enabled for printf %a output" ON) 105 if(LLVM_ENABLE_CBE_PRINTF_A) 106 set(ENABLE_CBE_PRINTF_A 1) 107 endif() 108 109 option(LLVM_ENABLE_TIMESTAMPS "Enable embedding timestamp information in build" ON) 110 if(LLVM_ENABLE_TIMESTAMPS) 111 set(ENABLE_TIMESTAMPS 1) 112 endif() 113 114 option(LLVM_ENABLE_BACKTRACES "Enable embedding backtraces on crash." ON) 115 if(LLVM_ENABLE_BACKTRACES) 116 set(ENABLE_BACKTRACES 1) 117 endif() 118 119 option(LLVM_ENABLE_FFI "Use libffi to call external functions from the interpreter" OFF) 120 set(FFI_LIBRARY_DIR "" CACHE PATH "Additional directory, where CMake should search for libffi.so") 121 set(FFI_INCLUDE_DIR "" CACHE PATH "Additional directory, where CMake should search for ffi.h or ffi/ffi.h") 122 123 set(LLVM_TARGET_ARCH "host" 124 CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.") 125 126 option(LLVM_ENABLE_CURSES "Use curses to detect terminal info if available." ON) 127 128 option(LLVM_ENABLE_THREADS "Use threads if available." ON) 129 130 option(LLVM_ENABLE_ZLIB "Use zlib for compression/decompression 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 list(REMOVE_DUPLICATES LLVM_TARGETS_TO_BUILD) 140 141 set(llvm_builded_incs_dir ${LLVM_BINARY_DIR}/include/llvm) 142 143 include(AddLLVMDefinitions) 144 145 option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON) 146 147 # MSVC has a gazillion warnings with this. 148 if( MSVC ) 149 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." OFF) 150 else( MSVC ) 151 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON) 152 endif() 153 154 option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON) 155 option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF) 156 157 if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG" ) 158 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF) 159 else() 160 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON) 161 endif() 162 163 option(LLVM_USE_INTEL_JITEVENTS 164 "Use Intel JIT API to inform Intel(R) VTune(TM) Amplifier XE 2011 about JIT code" 165 OFF) 166 167 if( LLVM_USE_INTEL_JITEVENTS ) 168 # Verify we are on a supported platform 169 if( NOT CMAKE_SYSTEM_NAME MATCHES "Windows" AND NOT CMAKE_SYSTEM_NAME MATCHES "Linux" ) 170 message(FATAL_ERROR 171 "Intel JIT API support is available on Linux and Windows only.") 172 endif() 173 endif( LLVM_USE_INTEL_JITEVENTS ) 174 175 option(LLVM_USE_OPROFILE 176 "Use opagent JIT interface to inform OProfile about JIT code" OFF) 177 178 # If enabled, verify we are on a platform that supports oprofile. 179 if( LLVM_USE_OPROFILE ) 180 if( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" ) 181 message(FATAL_ERROR "OProfile support is available on Linux only.") 182 endif( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" ) 183 endif( LLVM_USE_OPROFILE ) 184 185 set(LLVM_USE_SANITIZER "" CACHE STRING 186 "Define the sanitizer used to build binaries and tests.") 187 188 option(LLVM_USE_SPLIT_DWARF 189 "Use -gsplit-dwarf when compiling llvm." OFF) 190 191 # Define an option controlling whether we should build for 32-bit on 64-bit 192 # platforms, where supported. 193 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 ) 194 # TODO: support other platforms and toolchains. 195 option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF) 196 endif() 197 198 # Define the default arguments to use with 'lit', and an option for the user to 199 # override. 200 set(LIT_ARGS_DEFAULT "-sv") 201 if (MSVC OR XCODE) 202 set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar") 203 endif() 204 set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit") 205 206 # On Win32 hosts, provide an option to specify the path to the GnuWin32 tools. 207 if( WIN32 AND NOT CYGWIN ) 208 set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools") 209 endif() 210 211 # Define options to control the inclusion and default build behavior for 212 # components which may not strictly be necessary (tools, runtime, examples, and 213 # tests). 214 # 215 # This is primarily to support building smaller or faster project files. 216 option(LLVM_INCLUDE_TOOLS "Generate build targets for the LLVM tools." ON) 217 option(LLVM_BUILD_TOOLS 218 "Build the LLVM tools. If OFF, just generate build targets." ON) 219 220 option(LLVM_INCLUDE_RUNTIME "Generate build targets for the LLVM runtimes" ON) 221 option(LLVM_BUILD_RUNTIME 222 "Build the LLVM runtime libraries. If OFF, just generate build targets." ON) 223 224 option(LLVM_BUILD_EXAMPLES 225 "Build the LLVM example programs. If OFF, just generate build targets." OFF) 226 option(LLVM_INCLUDE_EXAMPLES "Generate build targets for the LLVM examples" ON) 227 228 option(LLVM_BUILD_TESTS 229 "Build LLVM unit tests. If OFF, just generate build targets." OFF) 230 option(LLVM_INCLUDE_TESTS "Generate build targets for the LLVM unit tests." ON) 231 232 # All options referred to from HandleLLVMOptions have to be specified 233 # BEFORE this include, otherwise options will not be correctly set on 234 # first cmake run 235 include(config-ix) 236 237 # By default, we target the host, but this can be overridden at CMake 238 # invocation time. 239 set(LLVM_DEFAULT_TARGET_TRIPLE "${LLVM_HOST_TRIPLE}" CACHE STRING 240 "Default target for which LLVM will generate code." ) 241 set(TARGET_TRIPLE "${LLVM_DEFAULT_TARGET_TRIPLE}") 242 243 include(HandleLLVMOptions) 244 245 # Verify that we can find a Python 2 interpreter. Python 3 is unsupported. 246 set(Python_ADDITIONAL_VERSIONS 2.7 2.6 2.5 2.4) 247 include(FindPythonInterp) 248 if( NOT PYTHONINTERP_FOUND ) 249 message(FATAL_ERROR 250 "Unable to find Python interpreter, required for builds and testing. 251 252 Please install Python or specify the PYTHON_EXECUTABLE CMake variable.") 253 endif() 254 255 ###### 256 # LLVMBuild Integration 257 # 258 # We use llvm-build to generate all the data required by the CMake based 259 # build system in one swoop: 260 # 261 # - We generate a file (a CMake fragment) in the object root which contains 262 # all the definitions that are required by CMake. 263 # 264 # - We generate the library table used by llvm-config. 265 # 266 # - We generate the dependencies for the CMake fragment, so that we will 267 # automatically reconfigure outselves. 268 269 set(LLVMBUILDTOOL "${LLVM_MAIN_SRC_DIR}/utils/llvm-build/llvm-build") 270 set(LLVMCONFIGLIBRARYDEPENDENCIESINC 271 "${LLVM_BINARY_DIR}/tools/llvm-config/LibraryDependencies.inc") 272 set(LLVMBUILDCMAKEFRAG 273 "${LLVM_BINARY_DIR}/LLVMBuild.cmake") 274 275 # Create the list of optional components that are enabled 276 if (LLVM_USE_INTEL_JITEVENTS) 277 set(LLVMOPTIONALCOMPONENTS IntelJITEvents) 278 endif (LLVM_USE_INTEL_JITEVENTS) 279 if (LLVM_USE_OPROFILE) 280 set(LLVMOPTIONALCOMPONENTS ${LLVMOPTIONALCOMPONENTS} OProfileJIT) 281 endif (LLVM_USE_OPROFILE) 282 283 message(STATUS "Constructing LLVMBuild project information") 284 execute_process( 285 COMMAND ${PYTHON_EXECUTABLE} ${LLVMBUILDTOOL} 286 --native-target "${LLVM_NATIVE_ARCH}" 287 --enable-targets "${LLVM_TARGETS_TO_BUILD}" 288 --enable-optional-components "${LLVMOPTIONALCOMPONENTS}" 289 --write-library-table ${LLVMCONFIGLIBRARYDEPENDENCIESINC} 290 --write-cmake-fragment ${LLVMBUILDCMAKEFRAG} 291 ERROR_VARIABLE LLVMBUILDOUTPUT 292 ERROR_VARIABLE LLVMBUILDERRORS 293 OUTPUT_STRIP_TRAILING_WHITESPACE 294 ERROR_STRIP_TRAILING_WHITESPACE 295 RESULT_VARIABLE LLVMBUILDRESULT) 296 297 # On Win32, CMake doesn't properly handle piping the default output/error 298 # streams into the GUI console. So, we explicitly catch and report them. 299 if( NOT "${LLVMBUILDOUTPUT}" STREQUAL "") 300 message(STATUS "llvm-build output: ${LLVMBUILDOUTPUT}") 301 endif() 302 if( NOT "${LLVMBUILDRESULT}" STREQUAL "0" ) 303 message(FATAL_ERROR 304 "Unexpected failure executing llvm-build: ${LLVMBUILDERRORS}") 305 endif() 306 307 # Include the generated CMake fragment. This will define properties from the 308 # LLVMBuild files in a format which is easy to consume from CMake, and will add 309 # the dependencies so that CMake will reconfigure properly when the LLVMBuild 310 # files change. 311 include(${LLVMBUILDCMAKEFRAG}) 312 313 ###### 314 315 # Configure all of the various header file fragments LLVM uses which depend on 316 # configuration variables. 317 set(LLVM_ENUM_TARGETS "") 318 set(LLVM_ENUM_ASM_PRINTERS "") 319 set(LLVM_ENUM_ASM_PARSERS "") 320 set(LLVM_ENUM_DISASSEMBLERS "") 321 foreach(t ${LLVM_TARGETS_TO_BUILD}) 322 set( td ${LLVM_MAIN_SRC_DIR}/lib/Target/${t} ) 323 324 list(FIND LLVM_ALL_TARGETS ${t} idx) 325 list(FIND LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ${t} idy) 326 if( idx LESS 0 AND idy LESS 0 ) 327 message(FATAL_ERROR "The target `${t}' does not exist. 328 It should be one of\n${LLVM_ALL_TARGETS}") 329 else() 330 set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${t})\n") 331 endif() 332 333 file(GLOB asmp_file "${td}/*AsmPrinter.cpp") 334 if( asmp_file ) 335 set(LLVM_ENUM_ASM_PRINTERS 336 "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n") 337 endif() 338 if( EXISTS ${td}/AsmParser/CMakeLists.txt ) 339 set(LLVM_ENUM_ASM_PARSERS 340 "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n") 341 endif() 342 if( EXISTS ${td}/Disassembler/CMakeLists.txt ) 343 set(LLVM_ENUM_DISASSEMBLERS 344 "${LLVM_ENUM_DISASSEMBLERS}LLVM_DISASSEMBLER(${t})\n") 345 endif() 346 endforeach(t) 347 348 # Produce the target definition files, which provide a way for clients to easily 349 # include various classes of targets. 350 configure_file( 351 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in 352 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmPrinters.def 353 ) 354 configure_file( 355 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in 356 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmParsers.def 357 ) 358 configure_file( 359 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Disassemblers.def.in 360 ${LLVM_BINARY_DIR}/include/llvm/Config/Disassemblers.def 361 ) 362 configure_file( 363 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in 364 ${LLVM_BINARY_DIR}/include/llvm/Config/Targets.def 365 ) 366 367 # Configure the three LLVM configuration header files. 368 configure_file( 369 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/config.h.cmake 370 ${LLVM_BINARY_DIR}/include/llvm/Config/config.h) 371 configure_file( 372 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/llvm-config.h.cmake 373 ${LLVM_BINARY_DIR}/include/llvm/Config/llvm-config.h) 374 configure_file( 375 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Support/DataTypes.h.cmake 376 ${LLVM_BINARY_DIR}/include/llvm/Support/DataTypes.h) 377 378 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR} ) 379 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib ) 380 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib ) 381 382 set(CMAKE_INCLUDE_CURRENT_DIR ON) 383 384 include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR}) 385 386 if( ${CMAKE_SYSTEM_NAME} MATCHES FreeBSD ) 387 # On FreeBSD, /usr/local/* is not used by default. In order to build LLVM 388 # with libxml2, iconv.h, etc., we must add /usr/local paths. 389 include_directories("/usr/local/include") 390 link_directories("/usr/local/lib") 391 endif( ${CMAKE_SYSTEM_NAME} MATCHES FreeBSD ) 392 393 if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS ) 394 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -include llvm/Support/Solaris.h") 395 endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS ) 396 397 # Make sure we don't get -rdynamic in every binary. For those that need it, 398 # use set_target_properties(target PROPERTIES ENABLE_EXPORTS 1) 399 set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "") 400 401 include(AddLLVM) 402 include(TableGen) 403 404 if( MINGW ) 405 # People report that -O3 is unreliable on MinGW. The traditional 406 # build also uses -O2 for that reason: 407 llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2") 408 endif() 409 410 # Put this before tblgen. Else we have a circular dependence. 411 add_subdirectory(lib/Support) 412 add_subdirectory(lib/TableGen) 413 414 add_subdirectory(utils/TableGen) 415 416 add_subdirectory(include/llvm) 417 418 add_subdirectory(lib) 419 420 add_subdirectory(utils/FileCheck) 421 add_subdirectory(utils/FileUpdate) 422 add_subdirectory(utils/count) 423 add_subdirectory(utils/not) 424 add_subdirectory(utils/llvm-lit) 425 add_subdirectory(utils/yaml-bench) 426 427 add_subdirectory(projects) 428 429 if( LLVM_INCLUDE_TOOLS ) 430 add_subdirectory(tools) 431 endif() 432 433 if( LLVM_INCLUDE_RUNTIME ) 434 add_subdirectory(runtime) 435 endif() 436 437 if( LLVM_INCLUDE_EXAMPLES ) 438 add_subdirectory(examples) 439 endif() 440 441 if( LLVM_INCLUDE_TESTS ) 442 add_subdirectory(test) 443 add_subdirectory(utils/unittest) 444 add_subdirectory(unittests) 445 if (MSVC) 446 # This utility is used to prevent crashing tests from calling Dr. Watson on 447 # Windows. 448 add_subdirectory(utils/KillTheDoctor) 449 endif() 450 451 # Add a global check rule now that all subdirectories have been traversed 452 # and we know the total set of lit testsuites. 453 get_property(LLVM_LIT_TESTSUITES GLOBAL PROPERTY LLVM_LIT_TESTSUITES) 454 get_property(LLVM_LIT_PARAMS GLOBAL PROPERTY LLVM_LIT_PARAMS) 455 get_property(LLVM_LIT_DEPENDS GLOBAL PROPERTY LLVM_LIT_DEPENDS) 456 get_property(LLVM_LIT_EXTRA_ARGS GLOBAL PROPERTY LLVM_LIT_EXTRA_ARGS) 457 add_lit_target(check-all 458 "Running all regression tests" 459 ${LLVM_LIT_TESTSUITES} 460 PARAMS ${LLVM_LIT_PARAMS} 461 DEPENDS ${LLVM_LIT_DEPENDS} 462 ARGS ${LLVM_LIT_EXTRA_ARGS} 463 ) 464 endif() 465 466 add_subdirectory(cmake/modules) 467 468 install(DIRECTORY include/ 469 DESTINATION include 470 FILES_MATCHING 471 PATTERN "*.def" 472 PATTERN "*.h" 473 PATTERN "*.td" 474 PATTERN "*.inc" 475 PATTERN "LICENSE.TXT" 476 PATTERN ".svn" EXCLUDE 477 ) 478 479 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/ 480 DESTINATION include 481 FILES_MATCHING 482 PATTERN "*.def" 483 PATTERN "*.h" 484 PATTERN "*.gen" 485 PATTERN "*.inc" 486 # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def" 487 PATTERN "CMakeFiles" EXCLUDE 488 PATTERN ".svn" EXCLUDE 489 ) 490 491 # TODO: make and install documentation. 492 493 set(CPACK_PACKAGE_VENDOR "LLVM") 494 set(CPACK_PACKAGE_VERSION_MAJOR ${LLVM_VERSION_MAJOR}) 495 set(CPACK_PACKAGE_VERSION_MINOR ${LLVM_VERSION_MINOR}) 496 add_version_info_from_vcs(CPACK_PACKAGE_VERSION_PATCH) 497 include(CPack) 498 499 # Workaround for MSVS10 to avoid the Dialog Hell 500 # FIXME: This could be removed with future version of CMake. 501 if(MSVC_VERSION EQUAL 1600) 502 set(LLVM_SLN_FILENAME "${CMAKE_CURRENT_BINARY_DIR}/LLVM.sln") 503 if( EXISTS "${LLVM_SLN_FILENAME}" ) 504 file(APPEND "${LLVM_SLN_FILENAME}" "\n# This should be regenerated!\n") 505 endif() 506 endif() 507