ninja: Entering directory `out/gn'
[1/2890] 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'
[2/2890] CXX obj/llvm/lib/IR/IR.NVVMIntrinsicUtils.o
[3/2890] CXX obj/llvm/lib/IR/IR.SSAContext.o
[4/2890] CXX obj/llvm/lib/IR/IR.ProfileSummary.o
[5/2890] CXX obj/llvm/lib/IR/IR.MDBuilder.o
[6/2890] CXX obj/llvm/lib/IR/IR.MemoryModelRelaxationAnnotations.o
[7/2890] CXX obj/llvm/lib/SandboxIR/SandboxIR.Use.o
[8/2890] CXX obj/llvm/lib/IR/IR.EHPersonalities.o
[9/2890] CXX obj/llvm/lib/IR/IR.ReplaceConstant.o
[10/2890] CXX obj/llvm/lib/SandboxIR/SandboxIR.Module.o
[11/2890] CXX obj/llvm/lib/SandboxIR/SandboxIR.User.o
[12/2890] CXX obj/llvm/lib/SandboxIR/SandboxIR.Type.o
[13/2890] CXX obj/llvm/lib/IR/IR.ProfDataUtils.o
[14/2890] CXX obj/llvm/lib/Target/Target.Target.o
[15/2890] CXX obj/llvm/lib/SandboxIR/SandboxIR.Value.o
[16/2890] CXX obj/llvm/lib/IR/IR.PatternMatch.o
[17/2890] CXX obj/llvm/lib/IR/IR.Statepoint.o
[18/2890] CXX obj/llvm/lib/SandboxIR/SandboxIR.Function.o
[19/2890] CXX obj/llvm/lib/IR/IR.User.o
[20/2890] CXX obj/llvm/lib/IR/IR.VFABIDemangler.o
[21/2890] CXX obj/llvm/lib/IR/IR.FPEnv.o
[22/2890] CXX obj/llvm/lib/IR/IR.DroppedVariableStatsIR.o
[23/2890] CXX obj/llvm/lib/IR/IR.DebugLoc.o
[24/2890] CXX obj/llvm/lib/IR/IR.TypedPointerType.o
[25/2890] CXX obj/llvm/lib/Target/Target.TargetLoweringObjectFile.o
[26/2890] CXX obj/llvm/lib/IR/IR.StructuralHash.o
[27/2890] CXX obj/llvm/lib/IR/IR.DroppedVariableStats.o
[28/2890] CXX obj/llvm/lib/SandboxIR/SandboxIR.Constant.o
[29/2890] CXX obj/llvm/lib/IR/IR.PseudoProbe.o
[30/2890] CXX obj/llvm/lib/IR/IR.Intrinsics.o
[31/2890] CXX obj/llvm/lib/IR/IR.Operator.o
[32/2890] CXX obj/llvm/lib/IR/IR.Globals.o
[33/2890] CXX obj/llvm/lib/IR/IR.TypeFinder.o
[34/2890] CXX obj/llvm/lib/IR/IR.DebugProgramInstruction.o
[35/2890] CXX obj/llvm/lib/IR/IR.LLVMContext.o
[36/2890] CXX obj/llvm/lib/SandboxIR/SandboxIR.BasicBlock.o
[37/2890] CXX obj/llvm/lib/IR/IR.DiagnosticInfo.o
[38/2890] CXX obj/llvm/lib/IR/IR.IntrinsicInst.o
[39/2890] CXX obj/llvm/lib/IR/IR.InlineAsm.o
[40/2890] CXX obj/llvm/lib/IR/IR.Function.o
[41/2890] CXX obj/llvm/lib/SandboxIR/SandboxIR.Tracker.o
[42/2890] CXX obj/llvm/lib/Object/Object.OffloadBinary.o
[43/2890] CXX obj/llvm/lib/IR/IR.Type.o
[44/2890] CXX obj/llvm/lib/IR/IR.IRBuilder.o
[45/2890] CXX obj/llvm/lib/IR/IR.Module.o
[46/2890] CXX obj/llvm/lib/SandboxIR/SandboxIR.Region.o
[47/2890] CXX obj/llvm/lib/IR/IR.Instruction.o
[48/2890] CXX obj/llvm/lib/Target/Target.TargetMachine.o
[49/2890] CXX obj/llvm/lib/IR/IR.SafepointIRVerifier.o
[50/2890] CXX obj/llvm/lib/IR/IR.Value.o
[51/2890] CXX obj/llvm/lib/ProfileData/ProfileData.SampleProf.o
[52/2890] CXX obj/llvm/lib/IR/IR.Instructions.o
[53/2890] CXX obj/llvm/lib/SandboxIR/SandboxIR.Context.o
[54/2890] CXX obj/llvm/lib/SandboxIR/SandboxIR.Instruction.o
[55/2890] CXX obj/llvm/lib/Passes/Passes.PassBuilderBindings.o
[56/2890] CXX obj/llvm/lib/ProfileData/ProfileData.InstrProf.o
[57/2890] CXX obj/llvm/lib/IR/IR.LLVMContextImpl.o
[58/2890] CXX obj/llvm/lib/Passes/Passes.CodeGenPassBuilder.o
[59/2890] CXX obj/llvm/lib/IR/IR.Dominators.o
[60/2890] CXX obj/llvm/lib/LTO/LTO.LTOBackend.o
[61/2890] CXX obj/llvm/lib/IR/IR.Metadata.o
[62/2890] CXX obj/llvm/lib/Passes/Passes.StandardInstrumentations.o
[63/2890] CXX obj/llvm/lib/IR/IR.Verifier.o
[64/2890] CXX obj/llvm/lib/LTO/LTO.LTO.o
[65/2890] CXX obj/llvm/lib/Passes/Passes.PassBuilderPipelines.o
[66/2890] CXX obj/llvm/lib/Passes/Passes.PassBuilder.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.