ninja: Entering directory `out/gn'
[1/3345] ACTION //libcxx/include:write_config_site(//llvm/utils/gn/build/toolchain:unix)
FAILED: include/c++/v1/__config_site 
python3 ../../llvm/utils/gn/build/write_cmake_config.py -o include/c++/v1/__config_site ../../libcxx/include/__config_site.in _LIBCPP_ABI_FORCE_ITANIUM= _LIBCPP_ABI_FORCE_MICROSOFT= _LIBCPP_ABI_VERSION=1 _LIBCPP_ASSERTION_SEMANTIC_DEFAULT=_LIBCPP_ASSERTION_SEMANTIC_HARDENING_DEPENDENT _LIBCPP_EXTRA_SITE_DEFINES= _LIBCPP_HAS_FILESYSTEM=1 _LIBCPP_HAS_THREADS=1 _LIBCPP_HAS_MONOTONIC_CLOCK=1 _LIBCPP_HAS_MUSL_LIBC= _LIBCPP_HAS_THREAD_API_PTHREAD= _LIBCPP_HAS_THREAD_API_EXTERNAL= _LIBCPP_HAS_THREAD_API_WIN32= _LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS= _LIBCPP_HAS_VENDOR_AVAILABILITY_ANNOTATIONS= _LIBCPP_NO_VCRUNTIME= _LIBCPP_TYPEINFO_COMPARISON_IMPLEMENTATION= _LIBCPP_HAS_RANDOM_DEVICE=1 _LIBCPP_HAS_LOCALIZATION=1 _LIBCPP_HAS_UNICODE=1 _LIBCPP_HAS_WIDE_CHARACTERS=1 _LIBCPP_INSTRUMENTED_WITH_ASAN= _LIBCPP_ABI_DEFINES= _LIBCPP_HARDENING_MODE_DEFAULT=_LIBCPP_HARDENING_MODE_NONE _LIBCPP_LIBC_PICOLIBC= _LIBCPP_LIBC_NEWLIB= _LIBCPP_LIBC_LLVM_LIBC= _LIBCPP_PSTL_BACKEND_LIBDISPATCH= _LIBCPP_PSTL_BACKEND_SERIAL= _LIBCPP_PSTL_BACKEND_STD_THREAD=1 _LIBCPP_ABI_NAMESPACE=__1 _LIBCPP_HAS_TIME_ZONE_DATABASE=1
Traceback (most recent call last):
  File "/usr/local/google/home/thakis/src/llvm-project/out/gn/../../llvm/utils/gn/build/write_cmake_config.py", line 122, in <module>
    sys.exit(main())
             ~~~~^^
  File "/usr/local/google/home/thakis/src/llvm-project/out/gn/../../llvm/utils/gn/build/write_cmake_config.py", line 75, in main
    if values[var] == "0":
       ~~~~~~^^^^^
KeyError: '_LIBCPP_HAS_THREAD_API_C11'
[2/3345] CXX obj/llvm/lib/Analysis/Analysis.DomConditionCache.o
[3/3345] CXX obj/llvm/lib/Analysis/Analysis.Local.o
[4/3345] CXX obj/llvm/lib/Analysis/Analysis.ObjCARCInstKind.o
[5/3345] CXX obj/llvm/lib/Analysis/Analysis.MemDerefPrinter.o
[6/3345] CXX obj/llvm/lib/Analysis/Analysis.HeatUtils.o
[7/3345] CXX obj/llvm/lib/Analysis/Analysis.PostDominators.o
[8/3345] CXX obj/llvm/lib/Analysis/Analysis.LazyBlockFrequencyInfo.o
[9/3345] CXX obj/llvm/lib/Analysis/Analysis.DXILMetadataAnalysis.o
[10/3345] CXX obj/llvm/lib/Analysis/Analysis.ObjCARCAliasAnalysis.o
[11/3345] CXX obj/llvm/lib/Analysis/Analysis.LazyBranchProbabilityInfo.o
[12/3345] CXX obj/llvm/lib/Analysis/Analysis.ObjCARCAnalysisUtils.o
[13/3345] CXX obj/llvm/lib/Analysis/Analysis.GuardUtils.o
[14/3345] CXX obj/llvm/lib/Analysis/Analysis.FloatingPointPredicateUtils.o
[15/3345] CXX obj/llvm/lib/Analysis/Analysis.PHITransAddr.o
[16/3345] CXX obj/llvm/lib/Analysis/Analysis.OverflowInstAnalysis.o
[17/3345] CXX obj/llvm/lib/Analysis/Analysis.OptimizationRemarkEmitter.o
[18/3345] CXX obj/llvm/lib/Analysis/Analysis.InstructionPrecedenceTracking.o
[19/3345] CXX obj/llvm/lib/Analysis/Analysis.LoopPass.o
[20/3345] CXX obj/llvm/lib/Analysis/Analysis.DDGPrinter.o
[21/3345] CXX obj/llvm/lib/Analysis/Analysis.DomPrinter.o
[22/3345] CXX obj/llvm/lib/Analysis/Analysis.InstCount.o
[23/3345] CXX obj/llvm/lib/Analysis/Analysis.PhiValues.o
[24/3345] CXX obj/llvm/lib/Analysis/Analysis.LoopNestAnalysis.o
[25/3345] CXX obj/llvm/lib/Analysis/Analysis.Delinearization.o
[26/3345] CXX obj/llvm/lib/Analysis/Analysis.ModuleDebugInfoPrinter.o
[27/3345] CXX obj/llvm/lib/Analysis/Analysis.IVUsers.o
[28/3345] CXX obj/llvm/lib/Analysis/Analysis.MemoryLocation.o
[29/3345] CXX obj/llvm/lib/Analysis/Analysis.ProfileSummaryInfo.o
[30/3345] CXX obj/llvm/lib/Analysis/Analysis.LoopUnrollAnalyzer.o
[31/3345] CXX obj/llvm/lib/Analysis/Analysis.KernelInfo.o
[32/3345] CXX obj/llvm/lib/Analysis/Analysis.MustExecute.o
[33/3345] CXX obj/llvm/lib/Analysis/Analysis.HashRecognize.o
[34/3345] CXX obj/llvm/lib/Analysis/Analysis.DomTreeUpdater.o
[35/3345] CXX obj/llvm/lib/Analysis/Analysis.MemoryProfileInfo.o
[36/3345] CXX obj/llvm/lib/Analysis/Analysis.DDG.o
[37/3345] CXX obj/llvm/lib/Analysis/Analysis.DXILResource.o
[38/3345] CXX obj/llvm/lib/Analysis/Analysis.DependenceGraphBuilder.o
[39/3345] CXX obj/llvm/lib/Analysis/Analysis.DemandedBits.o
[40/3345] CXX obj/llvm/lib/Analysis/Analysis.IR2Vec.o
[41/3345] CXX obj/llvm/lib/Analysis/Analysis.LoopAnalysisManager.o
[42/3345] CXX obj/llvm/lib/Analysis/Analysis.InlineAdvisor.o
[43/3345] CXX obj/llvm/lib/Analysis/Analysis.InlineOrder.o
[44/3345] CXX obj/llvm/lib/Analysis/Analysis.LoopCacheAnalysis.o
[45/3345] CXX obj/llvm/lib/Analysis/Analysis.IVDescriptors.o
[46/3345] CXX obj/llvm/lib/Analysis/Analysis.Lint.o
[47/3345] CXX obj/llvm/lib/Analysis/Analysis.Loads.o
[48/3345] CXX obj/llvm/lib/Analysis/Analysis.MemoryBuiltins.o
[49/3345] CXX obj/llvm/lib/Analysis/Analysis.DependenceAnalysis.o
[50/3345] CXX obj/llvm/lib/Analysis/Analysis.FunctionPropertiesAnalysis.o
[51/3345] CXX obj/llvm/lib/Analysis/Analysis.GlobalsModRef.o
[52/3345] CXX obj/llvm/lib/Analysis/Analysis.LazyCallGraph.o
[53/3345] CXX obj/llvm/lib/Analysis/Analysis.MLInlineAdvisor.o
[54/3345] CXX obj/llvm/lib/Analysis/Analysis.MemorySSAUpdater.o
[55/3345] CXX obj/llvm/lib/Analysis/Analysis.MemoryDependenceAnalysis.o
[56/3345] CXX obj/llvm/lib/Analysis/Analysis.InlineCost.o
[57/3345] CXX obj/llvm/lib/Analysis/Analysis.LazyValueInfo.o
[58/3345] CXX obj/llvm/lib/Analysis/Analysis.LoopInfo.o
[59/3345] CXX obj/llvm/lib/Bitcode/Reader/Reader.MetadataLoader.o
[60/3345] CXX obj/llvm/lib/Analysis/Analysis.MemorySSA.o
[61/3345] CXX obj/llvm/lib/Analysis/Analysis.IRSimilarityIdentifier.o
[62/3345] CXX obj/llvm/lib/Analysis/Analysis.ModuleSummaryAnalysis.o
[63/3345] CXX obj/llvm/lib/Analysis/Analysis.InstructionSimplify.o
[64/3345] CXX obj/llvm/lib/Analysis/Analysis.LoopAccessAnalysis.o
[65/3345] CXX obj/llvm/lib/Bitcode/Writer/Writer.BitcodeWriter.o
[66/3345] CXX obj/llvm/lib/Bitcode/Reader/Reader.BitcodeReader.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.