ninja: Entering directory `out/gn'
[1/6268] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.GlobalISel.o
[2/6268] AR lib/libLLVMAnalysis.a
[3/6268] 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_HAS_TERMINAL=1 _LIBCPP_INSTRUMENTED_WITH_ASAN= _LIBCPP_ABI_DEFINES= _LIBCPP_HARDENING_MODE_DEFAULT=_LIBCPP_HARDENING_MODE_NONE _LIBCPP_LIBC_PICOLIBC= _LIBCPP_LIBC_NEWLIB= _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_LIBC_LLVM_LIBC'
[4/6268] LINK ./bin/clang-tblgen
[5/6268] CXX obj/llvm/lib/CodeGen/CodeGen.CodeGen.o
[6/6268] CXX obj/llvm/lib/DWARFLinker/DWARFLinker.Utils.o
[7/6268] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.LegalizeMutations.o
[8/6268] CXX obj/llvm/lib/DWARFLinker/DWARFLinker.DWARFLinkerBase.o
[9/6268] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.LostDebugLocObserver.o
[10/6268] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.LegalityPredicates.o
[11/6268] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.GISelChangeObserver.o
[12/6268] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.LegalizerInfo.o
[13/6268] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.InstructionSelector.o
[14/6268] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.LegacyLegalizerInfo.o
[15/6268] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.MachineFloatingPointPredicateUtils.o
[16/6268] CXX obj/llvm/lib/CodeGen/CodeGen.CallBrPrepare.o
[17/6268] CXX obj/llvm/lib/CodeGen/CodeGen.BreakFalseDeps.o
[18/6268] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.GIMatchTableExecutor.o
[19/6268] CXX obj/llvm/lib/CodeGen/CodeGen.CFGuardLongjmp.o
[20/6268] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.CSEInfo.o
[21/6268] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.DwarfStringPool.o
[22/6268] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.WinCFGuard.o
[23/6268] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.WasmException.o
[24/6268] CXX obj/llvm/lib/CodeGen/CodeGen.CodeGenCommonISel.o
[25/6268] CXX obj/llvm/lib/CodeGen/CodeGen.BasicBlockPathCloning.o
[26/6268] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.DwarfCFIException.o
[27/6268] CXX obj/llvm/lib/CodeGen/CodeGen.CFIFixup.o
[28/6268] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.CSEMIRBuilder.o
[29/6268] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.EHStreamer.o
[30/6268] CXX obj/llvm/lib/CodeGen/CodeGen.CallingConvLower.o
[31/6268] CXX obj/llvm/lib/CodeGen/CodeGen.BranchRelaxation.o
[32/6268] CXX obj/llvm/lib/CodeGen/CodeGen.BasicBlockSectionsProfileReader.o
[33/6268] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.OcamlGCPrinter.o
[34/6268] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.ErlangGCPrinter.o
[35/6268] CXX obj/llvm/lib/CodeGen/CodeGen.BasicBlockMatchingAndInference.o
[36/6268] CXX obj/llvm/lib/CodeGen/CodeGen.CalcSpillWeights.o
[37/6268] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.CombinerHelperCompares.o
[38/6268] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.CombinerHelperArtifacts.o
[39/6268] CXX obj/llvm/lib/CodeGen/CodeGen.BasicBlockSections.o
[40/6268] CXX obj/llvm/lib/CodeGen/CodeGen.CFIInstrInserter.o
[41/6268] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.CombinerHelperCasts.o
[42/6268] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.CombinerHelperVectorOps.o
[43/6268] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.InlineAsmLowering.o
[44/6268] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.PseudoProbePrinter.o
[45/6268] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.Localizer.o
[46/6268] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.WinException.o
[47/6268] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.DebugLocStream.o
[48/6268] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.DwarfExpression.o
[49/6268] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.RegBankSelect.o
[50/6268] CXX obj/llvm/lib/CodeGen/CodeGen.AtomicExpandPass.o
[51/6268] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.InstructionSelect.o
[52/6268] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.DwarfFile.o
[53/6268] CXX obj/llvm/lib/CodeGen/CodeGen.Analysis.o
[54/6268] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.LoadStoreOpt.o
[55/6268] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.GISelValueTracking.o
[56/6268] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.MachineIRBuilder.o
[57/6268] CXX obj/llvm/lib/CodeGen/CodeGen.BranchFolding.o
[58/6268] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.Utils.o
[59/6268] CXX obj/llvm/lib/DTLTO/DTLTO.DTLTO.o
[60/6268] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.Legalizer.o
[61/6268] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.DwarfUnit.o
[62/6268] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.DwarfCompileUnit.o
[63/6268] CXX obj/llvm/lib/CodeGen/CodeGen.BasicTargetTransformInfo.o
[64/6268] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.LegalizerHelper.o
[65/6268] CXX obj/llvm/lib/CodeGen/CodeGen.AssignmentTrackingAnalysis.o
[66/6268] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.IRTranslator.o
[67/6268] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.DwarfDebug.o
[68/6268] CXX obj/llvm/lib/CodeGen/CodeGen.CodeGenPrepare.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.