ninja: Entering directory `out/gn'
[1/4481] AR lib/libclangTesting.a
[2/4481] AR lib/libclangToolingCore.a
[3/4481] AR lib/libclangToolingInclusions.a
[4/4481] AR lib/libclangFormat.a
[5/4481] 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_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_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 72, in main
    in_line = var_re.sub(repl, in_line)
  File "/usr/local/google/home/thakis/src/llvm-project/out/gn/../../llvm/utils/gn/build/write_cmake_config.py", line 70, in repl
    return values[key]
           ~~~~~~^^^^^
KeyError: '_LIBCPP_ASSERTION_SEMANTIC_DEFAULT'
[6/4481] LINK ./bin/lit-cpuid
[7/4481] LINK obj/clang/unittests/Basic/BasicTests
[8/4481] LINK ./bin/clang-format
[9/4481] CXX obj/lld/Common/Common.TargetOptionsCommandFlags.o
[10/4481] CXX obj/llvm/lib/Analysis/Analysis.RuntimeLibcallInfo.o
[11/4481] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.LostDebugLocObserver.o
[12/4481] CXX obj/llvm/lib/Analysis/Analysis.LazyBranchProbabilityInfo.o
[13/4481] CXX obj/llvm/lib/Analysis/Analysis.ReplayInlineAdvisor.o
[14/4481] CXX obj/llvm/lib/Analysis/Analysis.AliasAnalysis.o
[15/4481] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.MachineFloatingPointPredicateUtils.o
[16/4481] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.LegalizerInfo.o
[17/4481] CXX obj/llvm/lib/Analysis/Analysis.CostModel.o
[18/4481] CXX obj/llvm/lib/Analysis/Analysis.MemoryLocation.o
[19/4481] CXX obj/llvm/lib/CodeGen/CodeGen.BasicBlockPathCloning.o
[20/4481] CXX obj/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.SelectionDAGAddressAnalysis.o
[21/4481] CXX obj/llvm/lib/CodeGen/CodeGen.BasicBlockSections.o
[22/4481] CXX obj/llvm/lib/CodeGen/CodeGen.BasicBlockSectionsProfileReader.o
[23/4481] CXX obj/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.ScheduleDAGVLIW.o
[24/4481] CXX obj/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.ScheduleDAGFast.o
[25/4481] CXX obj/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.SelectionDAGPrinter.o
[26/4481] CXX obj/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.LegalizeTypesGeneric.o
[27/4481] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.Localizer.o
[28/4481] CXX obj/llvm/lib/Analysis/Analysis.BranchProbabilityInfo.o
[29/4481] CXX obj/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.ResourcePriorityQueue.o
[30/4481] CXX obj/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.LegalizeTypes.o
[31/4481] CXX obj/llvm/lib/Analysis/Analysis.Lint.o
[32/4481] CXX obj/llvm/lib/Analysis/Analysis.MemoryBuiltins.o
[33/4481] CXX obj/llvm/lib/Analysis/Analysis.GlobalsModRef.o
[34/4481] CXX obj/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.InstrEmitter.o
[35/4481] CXX obj/llvm/lib/Analysis/Analysis.CGSCCPassManager.o
[36/4481] CXX obj/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.ScheduleDAGSDNodes.o
[37/4481] CXX obj/llvm/lib/CodeGen/CodeGen.AtomicExpandPass.o
[38/4481] CXX obj/llvm/lib/Analysis/Analysis.InlineAdvisor.o
[39/4481] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.MachineIRBuilder.o
[40/4481] CXX obj/llvm/lib/Analysis/Analysis.InlineOrder.o
[41/4481] CXX obj/llvm/lib/CodeGen/CodeGen.Analysis.o
[42/4481] CXX obj/llvm/lib/Analysis/Analysis.BasicAliasAnalysis.o
[43/4481] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.RegBankSelect.o
[44/4481] CXX obj/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.SelectionDAGDumper.o
[45/4481] CXX obj/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.ScheduleDAGRRList.o
[46/4481] CXX obj/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.LegalizeFloatTypes.o
[47/4481] CXX obj/llvm/lib/Analysis/Analysis.MemoryDependenceAnalysis.o
[48/4481] CXX obj/llvm/lib/Analysis/Analysis.ConstantFolding.o
[49/4481] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.LoadStoreOpt.o
[50/4481] CXX obj/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.FunctionLoweringInfo.o
[51/4481] CXX obj/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.LegalizeVectorOps.o
[52/4481] CXX obj/llvm/lib/Analysis/Analysis.MLInlineAdvisor.o
[53/4481] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.Utils.o
[54/4481] CXX obj/llvm/lib/DWARFLinker/Classic/Classic.DWARFStreamer.o
[55/4481] CXX obj/llvm/lib/Analysis/Analysis.LazyCallGraph.o
[56/4481] CXX obj/llvm/lib/Analysis/Analysis.LazyValueInfo.o
[57/4481] CXX obj/llvm/lib/Analysis/Analysis.InlineCost.o
[58/4481] CXX obj/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.LegalizeIntegerTypes.o
[59/4481] CXX obj/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.LegalizeDAG.o
[60/4481] CXX obj/llvm/lib/CodeGen/MIRParser/MIRParser.MIParser.o
[61/4481] CXX obj/llvm/lib/CodeGen/CodeGen.BasicTargetTransformInfo.o
[62/4481] CXX obj/llvm/lib/CodeGen/MIRParser/MIRParser.MIRParser.o
[63/4481] CXX obj/llvm/lib/Analysis/Analysis.InstructionSimplify.o
[64/4481] CXX obj/llvm/lib/Analysis/Analysis.LoopAccessAnalysis.o
[65/4481] CXX obj/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.LegalizeVectorTypes.o
[66/4481] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.LegalizerHelper.o
[67/4481] CXX obj/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.SelectionDAGISel.o
[68/4481] CXX obj/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.SelectionDAG.o
[69/4481] CXX obj/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.SelectionDAGBuilder.o
[70/4481] CXX obj/llvm/lib/Analysis/Analysis.ScalarEvolution.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.