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 # They are used as destination of target generators.
96 set(LLVM_RUNTIME_OUTPUT_INTDIR ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/bin)
97 set(LLVM_LIBRARY_OUTPUT_INTDIR ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib)
99 # Each of them corresponds to llvm-config's.
100 set(LLVM_MAIN_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR} ) # --src-root
101 set(LLVM_MAIN_INCLUDE_DIR ${LLVM_MAIN_SRC_DIR}/include ) # --includedir
102 set(LLVM_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR} ) # --prefix
104 set(LLVM_EXAMPLES_BINARY_DIR ${LLVM_BINARY_DIR}/examples)
105 set(LLVM_INCLUDE_DIR ${CMAKE_CURRENT_BINARY_DIR}/include)
106 set(LLVM_LIBDIR_SUFFIX "" CACHE STRING "Define suffix of library directory name (32/64)" )
124 # List of targets with JIT support:
125 set(LLVM_TARGETS_WITH_JIT X86 PowerPC AArch64 ARM Mips SystemZ)
127 set(LLVM_TARGETS_TO_BUILD "all"
128 CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
130 set(LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ""
131 CACHE STRING "Semicolon-separated list of experimental targets to build.")
133 option(BUILD_SHARED_LIBS
134 "Build all libraries as shared libraries instead of static" OFF)
136 option(LLVM_ENABLE_CBE_PRINTF_A "Set to ON if CBE is enabled for printf %a output" ON)
137 if(LLVM_ENABLE_CBE_PRINTF_A)
138 set(ENABLE_CBE_PRINTF_A 1)
141 option(LLVM_ENABLE_TIMESTAMPS "Enable embedding timestamp information in build" ON)
142 if(LLVM_ENABLE_TIMESTAMPS)
143 set(ENABLE_TIMESTAMPS 1)
146 option(LLVM_ENABLE_BACKTRACES "Enable embedding backtraces on crash." ON)
147 if(LLVM_ENABLE_BACKTRACES)
148 set(ENABLE_BACKTRACES 1)
151 option(LLVM_ENABLE_CRASH_OVERRIDES "Enable crash overrides." ON)
152 if(LLVM_ENABLE_CRASH_OVERRIDES)
153 set(ENABLE_CRASH_OVERRIDES 1)
156 option(LLVM_ENABLE_FFI "Use libffi to call external functions from the interpreter" OFF)
157 set(FFI_LIBRARY_DIR "" CACHE PATH "Additional directory, where CMake should search for libffi.so")
158 set(FFI_INCLUDE_DIR "" CACHE PATH "Additional directory, where CMake should search for ffi.h or ffi/ffi.h")
160 set(LLVM_TARGET_ARCH "host"
161 CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.")
163 option(LLVM_ENABLE_TERMINFO "Use terminfo database if available." ON)
165 option(LLVM_ENABLE_THREADS "Use threads if available." ON)
167 option(LLVM_ENABLE_ZLIB "Use zlib for compression/decompression if available." ON)
169 if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
170 set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
173 set(LLVM_TARGETS_TO_BUILD
174 ${LLVM_TARGETS_TO_BUILD}
175 ${LLVM_EXPERIMENTAL_TARGETS_TO_BUILD})
176 list(REMOVE_DUPLICATES LLVM_TARGETS_TO_BUILD)
178 include(AddLLVMDefinitions)
180 option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON)
182 # MSVC has a gazillion warnings with this.
184 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." OFF)
186 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON)
189 option(LLVM_ENABLE_CXX11 "Compile with C++11 enabled." OFF)
190 option(LLVM_ENABLE_LIBCXX "Use libc++ if available." OFF)
191 option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
192 option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
194 if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG" )
195 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
197 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
200 option(LLVM_FORCE_USE_OLD_HOST_TOOLCHAIN
201 "Set to ON to force using an old, unsupported host toolchain." OFF)
203 option(LLVM_USE_INTEL_JITEVENTS
204 "Use Intel JIT API to inform Intel(R) VTune(TM) Amplifier XE 2011 about JIT code"
207 if( LLVM_USE_INTEL_JITEVENTS )
208 # Verify we are on a supported platform
209 if( NOT CMAKE_SYSTEM_NAME MATCHES "Windows" AND NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
211 "Intel JIT API support is available on Linux and Windows only.")
213 endif( LLVM_USE_INTEL_JITEVENTS )
215 option(LLVM_USE_OPROFILE
216 "Use opagent JIT interface to inform OProfile about JIT code" OFF)
218 # If enabled, verify we are on a platform that supports oprofile.
219 if( LLVM_USE_OPROFILE )
220 if( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
221 message(FATAL_ERROR "OProfile support is available on Linux only.")
222 endif( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
223 endif( LLVM_USE_OPROFILE )
225 set(LLVM_USE_SANITIZER "" CACHE STRING
226 "Define the sanitizer used to build binaries and tests.")
228 option(LLVM_USE_SPLIT_DWARF
229 "Use -gsplit-dwarf when compiling llvm." OFF)
231 # Define an option controlling whether we should build for 32-bit on 64-bit
232 # platforms, where supported.
233 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
234 # TODO: support other platforms and toolchains.
235 option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
238 # Define the default arguments to use with 'lit', and an option for the user to
240 set(LIT_ARGS_DEFAULT "-sv")
242 set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
244 set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit")
246 # On Win32 hosts, provide an option to specify the path to the GnuWin32 tools.
247 if( WIN32 AND NOT CYGWIN )
248 set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools")
251 # Define options to control the inclusion and default build behavior for
252 # components which may not strictly be necessary (tools, examples, and tests).
254 # This is primarily to support building smaller or faster project files.
255 option(LLVM_INCLUDE_TOOLS "Generate build targets for the LLVM tools." ON)
256 option(LLVM_BUILD_TOOLS
257 "Build the LLVM tools. If OFF, just generate build targets." ON)
259 option(LLVM_BUILD_RUNTIME
260 "Build the LLVM runtime libraries." ON)
261 option(LLVM_BUILD_EXAMPLES
262 "Build the LLVM example programs. If OFF, just generate build targets." OFF)
263 option(LLVM_INCLUDE_EXAMPLES "Generate build targets for the LLVM examples" ON)
265 option(LLVM_BUILD_TESTS
266 "Build LLVM unit tests. If OFF, just generate build targets." OFF)
267 option(LLVM_INCLUDE_TESTS "Generate build targets for the LLVM unit tests." ON)
269 option (LLVM_BUILD_DOCS "Build the llvm documentation." OFF)
270 option (LLVM_INCLUDE_DOCS "Generate build targets for llvm documentation." ON)
271 option (LLVM_ENABLE_DOXYGEN "Use doxygen to generate llvm documentation." OFF)
273 # All options referred to from HandleLLVMOptions have to be specified
274 # BEFORE this include, otherwise options will not be correctly set on
278 # By default, we target the host, but this can be overridden at CMake
280 set(LLVM_DEFAULT_TARGET_TRIPLE "${LLVM_HOST_TRIPLE}" CACHE STRING
281 "Default target for which LLVM will generate code." )
282 set(TARGET_TRIPLE "${LLVM_DEFAULT_TARGET_TRIPLE}")
284 include(HandleLLVMOptions)
286 # Verify that we can find a Python 2 interpreter. Python 3 is unsupported.
287 set(Python_ADDITIONAL_VERSIONS 2.7 2.6 2.5)
288 include(FindPythonInterp)
289 if( NOT PYTHONINTERP_FOUND )
291 "Unable to find Python interpreter, required for builds and testing.
293 Please install Python or specify the PYTHON_EXECUTABLE CMake variable.")
297 # LLVMBuild Integration
299 # We use llvm-build to generate all the data required by the CMake based
300 # build system in one swoop:
302 # - We generate a file (a CMake fragment) in the object root which contains
303 # all the definitions that are required by CMake.
305 # - We generate the library table used by llvm-config.
307 # - We generate the dependencies for the CMake fragment, so that we will
308 # automatically reconfigure outselves.
310 set(LLVMBUILDTOOL "${LLVM_MAIN_SRC_DIR}/utils/llvm-build/llvm-build")
311 set(LLVMCONFIGLIBRARYDEPENDENCIESINC
312 "${LLVM_BINARY_DIR}/tools/llvm-config/LibraryDependencies.inc")
313 set(LLVMBUILDCMAKEFRAG
314 "${LLVM_BINARY_DIR}/LLVMBuild.cmake")
316 # Create the list of optional components that are enabled
317 if (LLVM_USE_INTEL_JITEVENTS)
318 set(LLVMOPTIONALCOMPONENTS IntelJITEvents)
319 endif (LLVM_USE_INTEL_JITEVENTS)
320 if (LLVM_USE_OPROFILE)
321 set(LLVMOPTIONALCOMPONENTS ${LLVMOPTIONALCOMPONENTS} OProfileJIT)
322 endif (LLVM_USE_OPROFILE)
324 message(STATUS "Constructing LLVMBuild project information")
326 COMMAND ${PYTHON_EXECUTABLE} ${LLVMBUILDTOOL}
327 --native-target "${LLVM_NATIVE_ARCH}"
328 --enable-targets "${LLVM_TARGETS_TO_BUILD}"
329 --enable-optional-components "${LLVMOPTIONALCOMPONENTS}"
330 --write-library-table ${LLVMCONFIGLIBRARYDEPENDENCIESINC}
331 --write-cmake-fragment ${LLVMBUILDCMAKEFRAG}
332 OUTPUT_VARIABLE LLVMBUILDOUTPUT
333 ERROR_VARIABLE LLVMBUILDERRORS
334 OUTPUT_STRIP_TRAILING_WHITESPACE
335 ERROR_STRIP_TRAILING_WHITESPACE
336 RESULT_VARIABLE LLVMBUILDRESULT)
338 # On Win32, CMake doesn't properly handle piping the default output/error
339 # streams into the GUI console. So, we explicitly catch and report them.
340 if( NOT "${LLVMBUILDOUTPUT}" STREQUAL "")
341 message(STATUS "llvm-build output: ${LLVMBUILDOUTPUT}")
343 if( NOT "${LLVMBUILDRESULT}" STREQUAL "0" )
345 "Unexpected failure executing llvm-build: ${LLVMBUILDERRORS}")
348 # Include the generated CMake fragment. This will define properties from the
349 # LLVMBuild files in a format which is easy to consume from CMake, and will add
350 # the dependencies so that CMake will reconfigure properly when the LLVMBuild
352 include(${LLVMBUILDCMAKEFRAG})
356 # Configure all of the various header file fragments LLVM uses which depend on
357 # configuration variables.
358 set(LLVM_ENUM_TARGETS "")
359 set(LLVM_ENUM_ASM_PRINTERS "")
360 set(LLVM_ENUM_ASM_PARSERS "")
361 set(LLVM_ENUM_DISASSEMBLERS "")
362 foreach(t ${LLVM_TARGETS_TO_BUILD})
363 set( td ${LLVM_MAIN_SRC_DIR}/lib/Target/${t} )
365 list(FIND LLVM_ALL_TARGETS ${t} idx)
366 list(FIND LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ${t} idy)
367 if( idx LESS 0 AND idy LESS 0 )
368 message(FATAL_ERROR "The target `${t}' does not exist.
369 It should be one of\n${LLVM_ALL_TARGETS}")
371 set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${t})\n")
374 file(GLOB asmp_file "${td}/*AsmPrinter.cpp")
376 set(LLVM_ENUM_ASM_PRINTERS
377 "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n")
379 if( EXISTS ${td}/AsmParser/CMakeLists.txt )
380 set(LLVM_ENUM_ASM_PARSERS
381 "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n")
383 if( EXISTS ${td}/Disassembler/CMakeLists.txt )
384 set(LLVM_ENUM_DISASSEMBLERS
385 "${LLVM_ENUM_DISASSEMBLERS}LLVM_DISASSEMBLER(${t})\n")
389 # Produce the target definition files, which provide a way for clients to easily
390 # include various classes of targets.
392 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in
393 ${LLVM_INCLUDE_DIR}/llvm/Config/AsmPrinters.def
396 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in
397 ${LLVM_INCLUDE_DIR}/llvm/Config/AsmParsers.def
400 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Disassemblers.def.in
401 ${LLVM_INCLUDE_DIR}/llvm/Config/Disassemblers.def
404 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in
405 ${LLVM_INCLUDE_DIR}/llvm/Config/Targets.def
408 # Configure the three LLVM configuration header files.
410 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/config.h.cmake
411 ${LLVM_INCLUDE_DIR}/llvm/Config/config.h)
413 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/llvm-config.h.cmake
414 ${LLVM_INCLUDE_DIR}/llvm/Config/llvm-config.h)
416 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Support/DataTypes.h.cmake
417 ${LLVM_INCLUDE_DIR}/llvm/Support/DataTypes.h)
419 # They are not referenced. See set_output_directory().
420 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/bin )
421 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
422 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
424 if( NOT DEFINED CMAKE_INSTALL_RPATH )
425 set( CMAKE_INSTALL_RPATH "\$ORIGIN/../lib")
426 endif( NOT DEFINED CMAKE_INSTALL_RPATH )
428 set(CMAKE_INCLUDE_CURRENT_DIR ON)
430 include_directories( ${LLVM_INCLUDE_DIR} ${LLVM_MAIN_INCLUDE_DIR})
432 if( ${CMAKE_SYSTEM_NAME} MATCHES FreeBSD )
433 # On FreeBSD, /usr/local/* is not used by default. In order to build LLVM
434 # with libxml2, iconv.h, etc., we must add /usr/local paths.
435 include_directories("/usr/local/include")
436 link_directories("/usr/local/lib")
437 endif( ${CMAKE_SYSTEM_NAME} MATCHES FreeBSD )
439 if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
440 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -include llvm/Support/Solaris.h")
441 endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
443 # Make sure we don't get -rdynamic in every binary. For those that need it,
444 # use set_target_properties(target PROPERTIES ENABLE_EXPORTS 1)
445 set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "")
451 # People report that -O3 is unreliable on MinGW. The traditional
452 # build also uses -O2 for that reason:
453 llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2")
456 # Put this before tblgen. Else we have a circular dependence.
457 add_subdirectory(lib/Support)
458 add_subdirectory(lib/TableGen)
460 add_subdirectory(utils/TableGen)
462 add_subdirectory(include/llvm)
464 add_subdirectory(lib)
466 add_subdirectory(utils/FileCheck)
467 add_subdirectory(utils/FileUpdate)
468 add_subdirectory(utils/count)
469 add_subdirectory(utils/not)
470 add_subdirectory(utils/llvm-lit)
471 add_subdirectory(utils/yaml-bench)
473 add_subdirectory(projects)
475 if( LLVM_INCLUDE_TOOLS )
476 add_subdirectory(tools)
479 if( LLVM_INCLUDE_EXAMPLES )
480 add_subdirectory(examples)
483 if( LLVM_INCLUDE_TESTS )
484 add_subdirectory(test)
485 add_subdirectory(utils/unittest)
486 add_subdirectory(unittests)
488 # This utility is used to prevent crashing tests from calling Dr. Watson on
490 add_subdirectory(utils/KillTheDoctor)
493 # Add a global check rule now that all subdirectories have been traversed
494 # and we know the total set of lit testsuites.
495 get_property(LLVM_LIT_TESTSUITES GLOBAL PROPERTY LLVM_LIT_TESTSUITES)
496 get_property(LLVM_LIT_PARAMS GLOBAL PROPERTY LLVM_LIT_PARAMS)
497 get_property(LLVM_LIT_DEPENDS GLOBAL PROPERTY LLVM_LIT_DEPENDS)
498 get_property(LLVM_LIT_EXTRA_ARGS GLOBAL PROPERTY LLVM_LIT_EXTRA_ARGS)
499 add_lit_target(check-all
500 "Running all regression tests"
501 ${LLVM_LIT_TESTSUITES}
502 PARAMS ${LLVM_LIT_PARAMS}
503 DEPENDS ${LLVM_LIT_DEPENDS}
504 ARGS ${LLVM_LIT_EXTRA_ARGS}
508 if (LLVM_INCLUDE_DOCS)
509 add_subdirectory(docs)
512 add_subdirectory(cmake/modules)
514 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
515 install(DIRECTORY include/
522 PATTERN "LICENSE.TXT"
523 PATTERN ".svn" EXCLUDE
526 install(DIRECTORY ${LLVM_INCLUDE_DIR}/
533 # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
534 PATTERN "CMakeFiles" EXCLUDE
535 PATTERN ".svn" EXCLUDE
539 # Workaround for MSVS10 to avoid the Dialog Hell
540 # FIXME: This could be removed with future version of CMake.
541 if(MSVC_VERSION EQUAL 1600)
542 set(LLVM_SLN_FILENAME "${CMAKE_CURRENT_BINARY_DIR}/LLVM.sln")
543 if( EXISTS "${LLVM_SLN_FILENAME}" )
544 file(APPEND "${LLVM_SLN_FILENAME}" "\n# This should be regenerated!\n")