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comparison CMakeLists.txt @ 3:9ad51c7bc036

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1st commit. remove git dir and add all files.
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Wed, 15 May 2013 06:43:32 +0900
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-1:000000000000 3:9ad51c7bc036
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 MBlaze
83 MSP430
84 NVPTX
85 PowerPC
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 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_THREADS "Use threads if available." ON)
127
128 option(LLVM_ENABLE_ZLIB "Use zlib for compression/decompression if available." ON)
129
130 if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
131 set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
132 endif()
133
134 set(LLVM_TARGETS_TO_BUILD
135 ${LLVM_TARGETS_TO_BUILD}
136 ${LLVM_EXPERIMENTAL_TARGETS_TO_BUILD})
137
138 set(LLVM_ENUM_TARGETS "")
139 foreach(c ${LLVM_TARGETS_TO_BUILD})
140 list(FIND LLVM_ALL_TARGETS ${c} idx)
141 list(FIND LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ${c} idy)
142 if( idx LESS 0 AND idy LESS 0 )
143 message(FATAL_ERROR "The target `${c}' does not exist.
144 It should be one of\n${LLVM_ALL_TARGETS}")
145 else()
146 set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${c})\n")
147 endif()
148 endforeach(c)
149
150 set(llvm_builded_incs_dir ${LLVM_BINARY_DIR}/include/llvm)
151
152 include(AddLLVMDefinitions)
153
154 option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON)
155
156 # MSVC has a gazillion warnings with this.
157 if( MSVC )
158 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." OFF)
159 else( MSVC )
160 option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON)
161 endif()
162
163 option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
164 option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
165
166 if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
167 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
168 else()
169 option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
170 endif()
171
172 option(LLVM_USE_INTEL_JITEVENTS
173 "Use Intel JIT API to inform Intel(R) VTune(TM) Amplifier XE 2011 about JIT code"
174 OFF)
175
176 if( LLVM_USE_INTEL_JITEVENTS )
177 # Verify we are on a supported platform
178 if( NOT CMAKE_SYSTEM_NAME MATCHES "Windows" AND NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
179 message(FATAL_ERROR
180 "Intel JIT API support is available on Linux and Windows only.")
181 endif()
182 endif( LLVM_USE_INTEL_JITEVENTS )
183
184 option(LLVM_USE_OPROFILE
185 "Use opagent JIT interface to inform OProfile about JIT code" OFF)
186
187 # If enabled, verify we are on a platform that supports oprofile.
188 if( LLVM_USE_OPROFILE )
189 if( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
190 message(FATAL_ERROR "OProfile support is available on Linux only.")
191 endif( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" )
192 endif( LLVM_USE_OPROFILE )
193
194 set(LLVM_USE_SANITIZER "" CACHE STRING
195 "Define the sanitizer used to build binaries and tests.")
196
197 # Define an option controlling whether we should build for 32-bit on 64-bit
198 # platforms, where supported.
199 if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 )
200 # TODO: support other platforms and toolchains.
201 option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
202 endif()
203
204 # Define the default arguments to use with 'lit', and an option for the user to
205 # override.
206 set(LIT_ARGS_DEFAULT "-sv")
207 if (MSVC OR XCODE)
208 set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
209 endif()
210 set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit")
211
212 # On Win32 hosts, provide an option to specify the path to the GnuWin32 tools.
213 if( WIN32 AND NOT CYGWIN )
214 set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools")
215 endif()
216
217 # Define options to control the inclusion and default build behavior for
218 # components which may not strictly be necessary (tools, runtime, examples, and
219 # tests).
220 #
221 # This is primarily to support building smaller or faster project files.
222 option(LLVM_INCLUDE_TOOLS "Generate build targets for the LLVM tools." ON)
223 option(LLVM_BUILD_TOOLS
224 "Build the LLVM tools. If OFF, just generate build targets." ON)
225
226 option(LLVM_INCLUDE_RUNTIME "Generate build targets for the LLVM runtimes" ON)
227 option(LLVM_BUILD_RUNTIME
228 "Build the LLVM runtime libraries. If OFF, just generate build targets." ON)
229
230 option(LLVM_BUILD_EXAMPLES
231 "Build the LLVM example programs. If OFF, just generate build targets." OFF)
232 option(LLVM_INCLUDE_EXAMPLES "Generate build targets for the LLVM examples" ON)
233
234 option(LLVM_BUILD_TESTS
235 "Build LLVM unit tests. If OFF, just generate build targets." OFF)
236 option(LLVM_INCLUDE_TESTS "Generate build targets for the LLVM unit tests." ON)
237
238 # All options referred to from HandleLLVMOptions have to be specified
239 # BEFORE this include, otherwise options will not be correctly set on
240 # first cmake run
241 include(config-ix)
242
243 # By default, we target the host, but this can be overridden at CMake
244 # invocation time.
245 set(LLVM_DEFAULT_TARGET_TRIPLE "${LLVM_HOST_TRIPLE}" CACHE STRING
246 "Default target for which LLVM will generate code." )
247 set(TARGET_TRIPLE "${LLVM_DEFAULT_TARGET_TRIPLE}")
248
249 include(HandleLLVMOptions)
250
251 # Verify that we can find a Python interpreter,
252 include(FindPythonInterp)
253 if( NOT PYTHONINTERP_FOUND )
254 message(FATAL_ERROR
255 "Unable to find Python interpreter, required for builds and testing.
256
257 Please install Python or specify the PYTHON_EXECUTABLE CMake variable.")
258 endif()
259
260 ######
261 # LLVMBuild Integration
262 #
263 # We use llvm-build to generate all the data required by the CMake based
264 # build system in one swoop:
265 #
266 # - We generate a file (a CMake fragment) in the object root which contains
267 # all the definitions that are required by CMake.
268 #
269 # - We generate the library table used by llvm-config.
270 #
271 # - We generate the dependencies for the CMake fragment, so that we will
272 # automatically reconfigure outselves.
273
274 set(LLVMBUILDTOOL "${LLVM_MAIN_SRC_DIR}/utils/llvm-build/llvm-build")
275 set(LLVMCONFIGLIBRARYDEPENDENCIESINC
276 "${LLVM_BINARY_DIR}/tools/llvm-config/LibraryDependencies.inc")
277 set(LLVMBUILDCMAKEFRAG
278 "${LLVM_BINARY_DIR}/LLVMBuild.cmake")
279
280 # Create the list of optional components that are enabled
281 if (LLVM_USE_INTEL_JITEVENTS)
282 set(LLVMOPTIONALCOMPONENTS IntelJITEvents)
283 endif (LLVM_USE_INTEL_JITEVENTS)
284 if (LLVM_USE_OPROFILE)
285 set(LLVMOPTIONALCOMPONENTS ${LLVMOPTIONALCOMPONENTS} OProfileJIT)
286 endif (LLVM_USE_OPROFILE)
287
288 message(STATUS "Constructing LLVMBuild project information")
289 execute_process(
290 COMMAND ${PYTHON_EXECUTABLE} ${LLVMBUILDTOOL}
291 --native-target "${LLVM_NATIVE_ARCH}"
292 --enable-targets "${LLVM_TARGETS_TO_BUILD}"
293 --enable-optional-components "${LLVMOPTIONALCOMPONENTS}"
294 --write-library-table ${LLVMCONFIGLIBRARYDEPENDENCIESINC}
295 --write-cmake-fragment ${LLVMBUILDCMAKEFRAG}
296 ERROR_VARIABLE LLVMBUILDOUTPUT
297 ERROR_VARIABLE LLVMBUILDERRORS
298 OUTPUT_STRIP_TRAILING_WHITESPACE
299 ERROR_STRIP_TRAILING_WHITESPACE
300 RESULT_VARIABLE LLVMBUILDRESULT)
301
302 # On Win32, CMake doesn't properly handle piping the default output/error
303 # streams into the GUI console. So, we explicitly catch and report them.
304 if( NOT "${LLVMBUILDOUTPUT}" STREQUAL "")
305 message(STATUS "llvm-build output: ${LLVMBUILDOUTPUT}")
306 endif()
307 if( NOT "${LLVMBUILDRESULT}" STREQUAL "0" )
308 message(FATAL_ERROR
309 "Unexpected failure executing llvm-build: ${LLVMBUILDERRORS}")
310 endif()
311
312 # Include the generated CMake fragment. This will define properties from the
313 # LLVMBuild files in a format which is easy to consume from CMake, and will add
314 # the dependencies so that CMake will reconfigure properly when the LLVMBuild
315 # files change.
316 include(${LLVMBUILDCMAKEFRAG})
317
318 ######
319
320 # Configure all of the various header file fragments LLVM uses which depend on
321 # configuration variables.
322 set(LLVM_ENUM_ASM_PRINTERS "")
323 set(LLVM_ENUM_ASM_PARSERS "")
324 set(LLVM_ENUM_DISASSEMBLERS "")
325 foreach(t ${LLVM_TARGETS_TO_BUILD})
326 set( td ${LLVM_MAIN_SRC_DIR}/lib/Target/${t} )
327 file(GLOB asmp_file "${td}/*AsmPrinter.cpp")
328 if( asmp_file )
329 set(LLVM_ENUM_ASM_PRINTERS
330 "${LLVM_ENUM_ASM_PRINTERS}LLVM_ASM_PRINTER(${t})\n")
331 endif()
332 if( EXISTS ${td}/AsmParser/CMakeLists.txt )
333 set(LLVM_ENUM_ASM_PARSERS
334 "${LLVM_ENUM_ASM_PARSERS}LLVM_ASM_PARSER(${t})\n")
335 endif()
336 if( EXISTS ${td}/Disassembler/CMakeLists.txt )
337 set(LLVM_ENUM_DISASSEMBLERS
338 "${LLVM_ENUM_DISASSEMBLERS}LLVM_DISASSEMBLER(${t})\n")
339 endif()
340 endforeach(t)
341
342 # Produce the target definition files, which provide a way for clients to easily
343 # include various classes of targets.
344 configure_file(
345 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmPrinters.def.in
346 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmPrinters.def
347 )
348 configure_file(
349 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/AsmParsers.def.in
350 ${LLVM_BINARY_DIR}/include/llvm/Config/AsmParsers.def
351 )
352 configure_file(
353 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Disassemblers.def.in
354 ${LLVM_BINARY_DIR}/include/llvm/Config/Disassemblers.def
355 )
356 configure_file(
357 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in
358 ${LLVM_BINARY_DIR}/include/llvm/Config/Targets.def
359 )
360
361 # Configure the three LLVM configuration header files.
362 configure_file(
363 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/config.h.cmake
364 ${LLVM_BINARY_DIR}/include/llvm/Config/config.h)
365 configure_file(
366 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/llvm-config.h.cmake
367 ${LLVM_BINARY_DIR}/include/llvm/Config/llvm-config.h)
368 configure_file(
369 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Support/DataTypes.h.cmake
370 ${LLVM_BINARY_DIR}/include/llvm/Support/DataTypes.h)
371
372 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR} )
373 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
374 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
375
376 set(CMAKE_INCLUDE_CURRENT_DIR ON)
377
378 include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR})
379
380 if( ${CMAKE_SYSTEM_NAME} MATCHES FreeBSD )
381 # On FreeBSD, /usr/local/* is not used by default. In order to build LLVM
382 # with libxml2, iconv.h, etc., we must add /usr/local paths.
383 include_directories("/usr/local/include")
384 link_directories("/usr/local/lib")
385 endif( ${CMAKE_SYSTEM_NAME} MATCHES FreeBSD )
386
387 if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
388 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -include llvm/Support/Solaris.h")
389 endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
390
391 # Make sure we don't get -rdynamic in every binary. For those that need it,
392 # use set_target_properties(target PROPERTIES ENABLE_EXPORTS 1)
393 set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "")
394
395 include(AddLLVM)
396 include(TableGen)
397
398 if( MINGW )
399 # People report that -O3 is unreliable on MinGW. The traditional
400 # build also uses -O2 for that reason:
401 llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2")
402 endif()
403
404 # Put this before tblgen. Else we have a circular dependence.
405 add_subdirectory(lib/Support)
406 add_subdirectory(lib/TableGen)
407
408 add_subdirectory(utils/TableGen)
409
410 add_subdirectory(include/llvm)
411
412 add_subdirectory(lib)
413
414 add_subdirectory(utils/FileCheck)
415 add_subdirectory(utils/FileUpdate)
416 add_subdirectory(utils/count)
417 add_subdirectory(utils/not)
418 add_subdirectory(utils/llvm-lit)
419 add_subdirectory(utils/yaml-bench)
420
421 add_subdirectory(projects)
422
423 if( LLVM_INCLUDE_TOOLS )
424 add_subdirectory(tools)
425 endif()
426
427 if( LLVM_INCLUDE_RUNTIME )
428 add_subdirectory(runtime)
429 endif()
430
431 if( LLVM_INCLUDE_EXAMPLES )
432 add_subdirectory(examples)
433 endif()
434
435 if( LLVM_INCLUDE_TESTS )
436 add_subdirectory(test)
437 add_subdirectory(utils/unittest)
438 add_subdirectory(unittests)
439 if (MSVC)
440 # This utility is used to prevent crashing tests from calling Dr. Watson on
441 # Windows.
442 add_subdirectory(utils/KillTheDoctor)
443 endif()
444
445 # Add a global check rule now that all subdirectories have been traversed
446 # and we know the total set of lit testsuites.
447 get_property(LLVM_LIT_TESTSUITES GLOBAL PROPERTY LLVM_LIT_TESTSUITES)
448 get_property(LLVM_LIT_PARAMS GLOBAL PROPERTY LLVM_LIT_PARAMS)
449 get_property(LLVM_LIT_DEPENDS GLOBAL PROPERTY LLVM_LIT_DEPENDS)
450 get_property(LLVM_LIT_EXTRA_ARGS GLOBAL PROPERTY LLVM_LIT_EXTRA_ARGS)
451 add_lit_target(check-all
452 "Running all regression tests"
453 ${LLVM_LIT_TESTSUITES}
454 PARAMS ${LLVM_LIT_PARAMS}
455 DEPENDS ${LLVM_LIT_DEPENDS}
456 ARGS ${LLVM_LIT_EXTRA_ARGS}
457 )
458 endif()
459
460 add_subdirectory(cmake/modules)
461
462 install(DIRECTORY include/
463 DESTINATION include
464 FILES_MATCHING
465 PATTERN "*.def"
466 PATTERN "*.h"
467 PATTERN "*.td"
468 PATTERN "*.inc"
469 PATTERN "LICENSE.TXT"
470 PATTERN ".svn" EXCLUDE
471 )
472
473 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/
474 DESTINATION include
475 FILES_MATCHING
476 PATTERN "*.def"
477 PATTERN "*.h"
478 PATTERN "*.gen"
479 PATTERN "*.inc"
480 # Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
481 PATTERN "CMakeFiles" EXCLUDE
482 PATTERN ".svn" EXCLUDE
483 )
484
485 # TODO: make and install documentation.
486
487 set(CPACK_PACKAGE_VENDOR "LLVM")
488 set(CPACK_PACKAGE_VERSION_MAJOR ${LLVM_VERSION_MAJOR})
489 set(CPACK_PACKAGE_VERSION_MINOR ${LLVM_VERSION_MINOR})
490 add_version_info_from_vcs(CPACK_PACKAGE_VERSION_PATCH)
491 include(CPack)
492
493 # Workaround for MSVS10 to avoid the Dialog Hell
494 # FIXME: This could be removed with future version of CMake.
495 if(MSVC_VERSION EQUAL 1600)
496 set(LLVM_SLN_FILENAME "${CMAKE_CURRENT_BINARY_DIR}/LLVM.sln")
497 if( EXISTS "${LLVM_SLN_FILENAME}" )
498 file(APPEND "${LLVM_SLN_FILENAME}" "\n# This should be regenerated!\n")
499 endif()
500 endif()