1 # See docs/CMake.html for instructions about how to build LLVM with CMake.
4 cmake_minimum_required(VERSION 2.8.8)
6 # Add path for custom modules
9 "${CMAKE_CURRENT_SOURCE_DIR}/cmake"
10 "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules"
13 set(LLVM_VERSION_MAJOR 3)
14 set(LLVM_VERSION_MINOR 5)
16 if (NOT PACKAGE_VERSION)
17 set(PACKAGE_VERSION "${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}svn")
20 option(LLVM_INSTALL_TOOLCHAIN_ONLY "Only include toolchain files in the 'install' target." OFF)
22 option(LLVM_USE_FOLDERS "Enable solution folders in Visual Studio. Disable for Express versions." ON)
23 if ( LLVM_USE_FOLDERS )
24 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
27 include(VersionFromVCS)
29 option(LLVM_APPEND_VC_REV
30 "Append the version control system revision id to LLVM version" OFF)
32 if( LLVM_APPEND_VC_REV )
33 add_version_info_from_vcs(PACKAGE_VERSION)
36 set(PACKAGE_NAME LLVM)
37 set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
38 set(PACKAGE_BUGREPORT "http://llvm.org/bugs/")
40 set(BUG_REPORT_URL "${PACKAGE_BUGREPORT}" CACHE STRING
41 "Default URL where bug reports are to be submitted.")
44 set(CPACK_PACKAGE_INSTALL_DIRECTORY "LLVM")
45 set(CPACK_PACKAGE_VENDOR "LLVM")
46 set(CPACK_PACKAGE_VERSION_MAJOR ${LLVM_VERSION_MAJOR})
47 set(CPACK_PACKAGE_VERSION_MINOR ${LLVM_VERSION_MINOR})
48 set(CPACK_PACKAGE_VERSION ${PACKAGE_VERSION})
49 set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE.TXT")
50 if(WIN32 AND NOT UNIX)
51 set(CPACK_PACKAGE_INSTALL_REGISTRY_KEY "LLVM")
52 set(CPACK_PACKAGE_ICON "${CMAKE_CURRENT_SOURCE_DIR}\\\\cmake\\\\nsis_logo.bmp")
53 set(CPACK_NSIS_MODIFY_PATH "ON")
54 set(CPACK_NSIS_ENABLE_UNINSTALL_BEFORE_INSTALL "ON")
55 set(CPACK_NSIS_EXTRA_INSTALL_COMMANDS
56 "ExecWait '$INSTDIR/tools/msbuild/install.bat'")
57 set(CPACK_NSIS_EXTRA_UNINSTALL_COMMANDS
58 "ExecWait '$INSTDIR/tools/msbuild/uninstall.bat'")
62 # Sanity check our source directory to make sure that we are not trying to
63 # generate an in-tree build (unless on MSVC_IDE, where it is ok), and to make
64 # sure that we don't have any stray generated files lying around in the tree
65 # (which would end up getting picked up by header search, instead of the correct
67 if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE )
68 message(FATAL_ERROR "In-source builds are not allowed.
69 CMake would overwrite the makefiles distributed with LLVM.
70 Please create a directory and run cmake from there, passing the path
71 to this source directory as the last argument.
72 This process created the file `CMakeCache.txt' and the directory `CMakeFiles'.
75 if( NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR )
77 tablegenned_files_on_include_dir
78 "${CMAKE_CURRENT_SOURCE_DIR}/include/llvm/*.gen")
80 tablegenned_files_on_lib_dir
81 "${CMAKE_CURRENT_SOURCE_DIR}/lib/Target/*.inc")
82 if( tablegenned_files_on_include_dir OR tablegenned_files_on_lib_dir)
83 message(FATAL_ERROR "Apparently there is a previous in-source build,
84 probably as the result of running `configure' and `make' on
85 ${CMAKE_CURRENT_SOURCE_DIR}.
86 This may cause problems. The suspicious files are:
87 ${tablegenned_files_on_lib_dir}
88 ${tablegenned_files_on_include_dir}
89 Please clean the source directory.")
93 string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE)
95 set(LLVM_MAIN_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR})
96 set(LLVM_MAIN_INCLUDE_DIR ${LLVM_MAIN_SRC_DIR}/include)
97 set(LLVM_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
98 set(LLVM_TOOLS_BINARY_DIR ${LLVM_BINARY_DIR}/bin)
99 set(LLVM_EXAMPLES_BINARY_DIR ${LLVM_BINARY_DIR}/examples)
100 set(LLVM_INCLUDE_DIR ${CMAKE_CURRENT_BINARY_DIR}/include)
101 set(LLVM_LIBDIR_SUFFIX "" CACHE STRING "Define suffix of library directory name (32/64)" )
103 set(LLVM_RUNTIME_OUTPUT_INTDIR ${LLVM_BINARY_DIR}/${CMAKE_CFG_INTDIR}/bin)
104 set(LLVM_LIBRARY_OUTPUT_INTDIR ${LLVM_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib)
122 # List of targets with JIT support:
123 set(LLVM_TARGETS_WITH_JIT X86 PowerPC AArch64 ARM Mips SystemZ)
125 set(LLVM_TARGETS_TO_BUILD "all"
126 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
128 set(LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ""
129 CACHE STRING "Semicolon-separated list of experimental targets to build.")
131 option(BUILD_SHARED_LIBS
132 "Build all libraries as shared libraries instead of static" OFF)
134 option(LLVM_ENABLE_CBE_PRINTF_A "Set to ON if CBE is enabled for printf %a output" ON)
135 if(LLVM_ENABLE_CBE_PRINTF_A)
136 set(ENABLE_CBE_PRINTF_A 1)
139 option(LLVM_ENABLE_TIMESTAMPS "Enable embedding timestamp information in build" ON)
140 if(LLVM_ENABLE_TIMESTAMPS)
141 set(ENABLE_TIMESTAMPS 1)
144 option(LLVM_ENABLE_BACKTRACES "Enable embedding backtraces on crash." ON)
145 if(LLVM_ENABLE_BACKTRACES)
146 set(ENABLE_BACKTRACES 1)
149 option(LLVM_ENABLE_CRASH_OVERRIDES "Enable crash overrides." ON)
150 if(LLVM_ENABLE_CRASH_OVERRIDES)
151 set(ENABLE_CRASH_OVERRIDES 1)
154 option(LLVM_ENABLE_FFI "Use libffi to call external functions from the interpreter" OFF)
155 set(FFI_LIBRARY_DIR "" CACHE PATH "Additional directory, where CMake should search for libffi.so")
156 set(FFI_INCLUDE_DIR "" CACHE PATH "Additional directory, where CMake should search for ffi.h or ffi/ffi.h")
158 set(LLVM_TARGET_ARCH "host"
159 CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.")
161 option(LLVM_ENABLE_TERMINFO "Use terminfo database if available." ON)
163 option(LLVM_ENABLE_THREADS "Use threads if available." ON)
165 option(LLVM_ENABLE_ZLIB "Use zlib for compression/decompression if available." ON)
167 if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
168 set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
171 set(LLVM_TARGETS_TO_BUILD
172 ${LLVM_TARGETS_TO_BUILD}
173 ${LLVM_EXPERIMENTAL_TARGETS_TO_BUILD})
174 list(REMOVE_DUPLICATES LLVM_TARGETS_TO_BUILD)
176 include(AddLLVMDefinitions)
178 option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON)
180 # MSVC has a gazillion warnings with this.
182 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." OFF)
184 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON)
187 option(LLVM_ENABLE_CXX11 "Compile with C++11 enabled." OFF)
188 option(LLVM_ENABLE_LIBCXX "Use libc++ if available." OFF)
189 option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
190 option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
192 if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG" )
193 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
195 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
198 option(LLVM_USE_INTEL_JITEVENTS
199 "Use Intel JIT API to inform Intel(R) VTune(TM) Amplifier XE 2011 about JIT code"
202 if( LLVM_USE_INTEL_JITEVENTS )
203 # Verify we are on a supported platform
204 if( NOT CMAKE_SYSTEM_NAME MATCHES "Windows" AND NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
206 "Intel JIT API support is available on Linux and Windows only.")
208 endif( LLVM_USE_INTEL_JITEVENTS )
210 option(LLVM_USE_OPROFILE
211 "Use opagent JIT interface to inform OProfile about JIT code" OFF)
213 # If enabled, verify we are on a platform that supports oprofile.
214 if( LLVM_USE_OPROFILE )
215 if( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
216 message(FATAL_ERROR "OProfile support is available on Linux only.")
217 endif( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
218 endif( LLVM_USE_OPROFILE )
220 set(LLVM_USE_SANITIZER "" CACHE STRING
221 "Define the sanitizer used to build binaries and tests.")
223 option(LLVM_USE_SPLIT_DWARF
224 "Use -gsplit-dwarf when compiling llvm." OFF)
226 # Define an option controlling whether we should build for 32-bit on 64-bit
227 # platforms, where supported.
228 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
229 # TODO: support other platforms and toolchains.
230 option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
233 # Define the default arguments to use with 'lit', and an option for the user to
235 set(LIT_ARGS_DEFAULT "-sv")
237 set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
239 set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit")
241 # On Win32 hosts, provide an option to specify the path to the GnuWin32 tools.
242 if( WIN32 AND NOT CYGWIN )
243 set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools")
246 # Define options to control the inclusion and default build behavior for
247 # components which may not strictly be necessary (tools, examples, and tests).
249 # This is primarily to support building smaller or faster project files.
250 option(LLVM_INCLUDE_TOOLS "Generate build targets for the LLVM tools." ON)
251 option(LLVM_BUILD_TOOLS
252 "Build the LLVM tools. If OFF, just generate build targets." ON)
254 option(LLVM_BUILD_RUNTIME
255 "Build the LLVM runtime libraries." ON)
256 option(LLVM_BUILD_EXAMPLES
257 "Build the LLVM example programs. If OFF, just generate build targets." OFF)
258 option(LLVM_INCLUDE_EXAMPLES "Generate build targets for the LLVM examples" ON)
260 option(LLVM_BUILD_TESTS
261 "Build LLVM unit tests. If OFF, just generate build targets." OFF)
262 option(LLVM_INCLUDE_TESTS "Generate build targets for the LLVM unit tests." ON)
264 option (LLVM_BUILD_DOCS "Build the llvm documentation." OFF)
265 option (LLVM_INCLUDE_DOCS "Generate build targets for llvm documentation." ON)
266 option (LLVM_ENABLE_DOXYGEN "Use doxygen to generate llvm documentation." OFF)
268 # All options referred to from HandleLLVMOptions have to be specified
269 # BEFORE this include, otherwise options will not be correctly set on
273 # By default, we target the host, but this can be overridden at CMake
275 set(LLVM_DEFAULT_TARGET_TRIPLE "${LLVM_HOST_TRIPLE}" CACHE STRING
276 "Default target for which LLVM will generate code." )
277 set(TARGET_TRIPLE "${LLVM_DEFAULT_TARGET_TRIPLE}")
279 include(HandleLLVMOptions)
281 # Verify that we can find a Python 2 interpreter. Python 3 is unsupported.
282 set(Python_ADDITIONAL_VERSIONS 2.7 2.6 2.5)
283 include(FindPythonInterp)
284 if( NOT PYTHONINTERP_FOUND )
286 "Unable to find Python interpreter, required for builds and testing.
288 Please install Python or specify the PYTHON_EXECUTABLE CMake variable.")
292 # LLVMBuild Integration
294 # We use llvm-build to generate all the data required by the CMake based
295 # build system in one swoop:
297 # - We generate a file (a CMake fragment) in the object root which contains
298 # all the definitions that are required by CMake.
300 # - We generate the library table used by llvm-config.
302 # - We generate the dependencies for the CMake fragment, so that we will
303 # automatically reconfigure outselves.
305 set(LLVMBUILDTOOL "${LLVM_MAIN_SRC_DIR}/utils/llvm-build/llvm-build")
306 set(LLVMCONFIGLIBRARYDEPENDENCIESINC
307 "${LLVM_BINARY_DIR}/tools/llvm-config/LibraryDependencies.inc")
308 set(LLVMBUILDCMAKEFRAG
309 "${LLVM_BINARY_DIR}/LLVMBuild.cmake")
311 # Create the list of optional components that are enabled
312 if (LLVM_USE_INTEL_JITEVENTS)
313 set(LLVMOPTIONALCOMPONENTS IntelJITEvents)
314 endif (LLVM_USE_INTEL_JITEVENTS)
315 if (LLVM_USE_OPROFILE)
316 set(LLVMOPTIONALCOMPONENTS ${LLVMOPTIONALCOMPONENTS} OProfileJIT)
317 endif (LLVM_USE_OPROFILE)
319 message(STATUS "Constructing LLVMBuild project information")
321 COMMAND ${PYTHON_EXECUTABLE} ${LLVMBUILDTOOL}
322 --native-target "${LLVM_NATIVE_ARCH}"
323 --enable-targets "${LLVM_TARGETS_TO_BUILD}"
324 --enable-optional-components "${LLVMOPTIONALCOMPONENTS}"
325 --write-library-table ${LLVMCONFIGLIBRARYDEPENDENCIESINC}
326 --write-cmake-fragment ${LLVMBUILDCMAKEFRAG}
327 OUTPUT_VARIABLE LLVMBUILDOUTPUT
328 ERROR_VARIABLE LLVMBUILDERRORS
329 OUTPUT_STRIP_TRAILING_WHITESPACE
330 ERROR_STRIP_TRAILING_WHITESPACE
331 RESULT_VARIABLE LLVMBUILDRESULT)
333 # On Win32, CMake doesn't properly handle piping the default output/error
334 # streams into the GUI console. So, we explicitly catch and report them.
335 if( NOT "${LLVMBUILDOUTPUT}" STREQUAL "")
336 message(STATUS "llvm-build output: ${LLVMBUILDOUTPUT}")
338 if( NOT "${LLVMBUILDRESULT}" STREQUAL "0" )
340 "Unexpected failure executing llvm-build: ${LLVMBUILDERRORS}")
343 # Include the generated CMake fragment. This will define properties from the
344 # LLVMBuild files in a format which is easy to consume from CMake, and will add
345 # the dependencies so that CMake will reconfigure properly when the LLVMBuild
347 include(${LLVMBUILDCMAKEFRAG})
351 # Configure all of the various header file fragments LLVM uses which depend on
352 # configuration variables.
353 set(LLVM_ENUM_TARGETS "")
354 set(LLVM_ENUM_ASM_PRINTERS "")
355 set(LLVM_ENUM_ASM_PARSERS "")
356 set(LLVM_ENUM_DISASSEMBLERS "")
357 foreach(t ${LLVM_TARGETS_TO_BUILD})
358 set( td ${LLVM_MAIN_SRC_DIR}/lib/Target/${t} )
360 list(FIND LLVM_ALL_TARGETS ${t} idx)
361 list(FIND LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ${t} idy)
362 if( idx LESS 0 AND idy LESS 0 )
363 message(FATAL_ERROR "The target `${t}' does not exist.
364 It should be one of\n${LLVM_ALL_TARGETS}")
366 set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${t})\n")
369 file(GLOB asmp_file "${td}/*AsmPrinter.cpp")
371 set(LLVM_ENUM_ASM_PRINTERS
372 "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n")
374 if( EXISTS ${td}/AsmParser/CMakeLists.txt )
375 set(LLVM_ENUM_ASM_PARSERS
376 "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n")
378 if( EXISTS ${td}/Disassembler/CMakeLists.txt )
379 set(LLVM_ENUM_DISASSEMBLERS
380 "${LLVM_ENUM_DISASSEMBLERS}LLVM_DISASSEMBLER(${t})\n")
384 # Produce the target definition files, which provide a way for clients to easily
385 # include various classes of targets.
387 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in
388 ${LLVM_INCLUDE_DIR}/llvm/Config/AsmPrinters.def
391 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in
392 ${LLVM_INCLUDE_DIR}/llvm/Config/AsmParsers.def
395 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Disassemblers.def.in
396 ${LLVM_INCLUDE_DIR}/llvm/Config/Disassemblers.def
399 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in
400 ${LLVM_INCLUDE_DIR}/llvm/Config/Targets.def
403 # Configure the three LLVM configuration header files.
405 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/config.h.cmake
406 ${LLVM_INCLUDE_DIR}/llvm/Config/config.h)
408 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/llvm-config.h.cmake
409 ${LLVM_INCLUDE_DIR}/llvm/Config/llvm-config.h)
411 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Support/DataTypes.h.cmake
412 ${LLVM_INCLUDE_DIR}/llvm/Support/DataTypes.h)
414 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR} )
415 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
416 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
418 if( NOT DEFINED CMAKE_INSTALL_RPATH )
419 set( CMAKE_INSTALL_RPATH "\$ORIGIN/../lib")
420 endif( NOT DEFINED CMAKE_INSTALL_RPATH )
422 set(CMAKE_INCLUDE_CURRENT_DIR ON)
424 include_directories( ${LLVM_INCLUDE_DIR} ${LLVM_MAIN_INCLUDE_DIR})
426 if( ${CMAKE_SYSTEM_NAME} MATCHES FreeBSD )
427 # On FreeBSD, /usr/local/* is not used by default. In order to build LLVM
428 # with libxml2, iconv.h, etc., we must add /usr/local paths.
429 include_directories("/usr/local/include")
430 link_directories("/usr/local/lib")
431 endif( ${CMAKE_SYSTEM_NAME} MATCHES FreeBSD )
433 if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
434 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -include llvm/Support/Solaris.h")
435 endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
437 # Make sure we don't get -rdynamic in every binary. For those that need it,
438 # use set_target_properties(target PROPERTIES ENABLE_EXPORTS 1)
439 set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "")
445 # People report that -O3 is unreliable on MinGW. The traditional
446 # build also uses -O2 for that reason:
447 llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2")
450 # Put this before tblgen. Else we have a circular dependence.
451 add_subdirectory(lib/Support)
452 add_subdirectory(lib/TableGen)
454 add_subdirectory(utils/TableGen)
456 add_subdirectory(include/llvm)
458 add_subdirectory(lib)
460 add_subdirectory(utils/FileCheck)
461 add_subdirectory(utils/FileUpdate)
462 add_subdirectory(utils/count)
463 add_subdirectory(utils/not)
464 add_subdirectory(utils/llvm-lit)
465 add_subdirectory(utils/yaml-bench)
467 add_subdirectory(projects)
469 if( LLVM_INCLUDE_TOOLS )
470 add_subdirectory(tools)
473 if( LLVM_INCLUDE_EXAMPLES )
474 add_subdirectory(examples)
477 if( LLVM_INCLUDE_TESTS )
478 add_subdirectory(test)
479 add_subdirectory(utils/unittest)
480 add_subdirectory(unittests)
482 # This utility is used to prevent crashing tests from calling Dr. Watson on
484 add_subdirectory(utils/KillTheDoctor)
487 # Add a global check rule now that all subdirectories have been traversed
488 # and we know the total set of lit testsuites.
489 get_property(LLVM_LIT_TESTSUITES GLOBAL PROPERTY LLVM_LIT_TESTSUITES)
490 get_property(LLVM_LIT_PARAMS GLOBAL PROPERTY LLVM_LIT_PARAMS)
491 get_property(LLVM_LIT_DEPENDS GLOBAL PROPERTY LLVM_LIT_DEPENDS)
492 get_property(LLVM_LIT_EXTRA_ARGS GLOBAL PROPERTY LLVM_LIT_EXTRA_ARGS)
493 add_lit_target(check-all
494 "Running all regression tests"
495 ${LLVM_LIT_TESTSUITES}
496 PARAMS ${LLVM_LIT_PARAMS}
497 DEPENDS ${LLVM_LIT_DEPENDS}
498 ARGS ${LLVM_LIT_EXTRA_ARGS}
502 if (LLVM_INCLUDE_DOCS)
503 add_subdirectory(docs)
506 add_subdirectory(cmake/modules)
508 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
509 install(DIRECTORY include/
516 PATTERN "LICENSE.TXT"
517 PATTERN ".svn" EXCLUDE
520 install(DIRECTORY ${LLVM_INCLUDE_DIR}/
527 # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
528 PATTERN "CMakeFiles" EXCLUDE
529 PATTERN ".svn" EXCLUDE
533 # Workaround for MSVS10 to avoid the Dialog Hell
534 # FIXME: This could be removed with future version of CMake.
535 if(MSVC_VERSION EQUAL 1600)
536 set(LLVM_SLN_FILENAME "${CMAKE_CURRENT_BINARY_DIR}/LLVM.sln")
537 if( EXISTS "${LLVM_SLN_FILENAME}" )
538 file(APPEND "${LLVM_SLN_FILENAME}" "\n# This should be regenerated!\n")