ninja: Entering directory `out/gn'
[1/7339] AR lib/libLLVMFrontendOpenACC.a
[2/7339] 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'
[3/7339] CXX obj/llvm/lib/MC/MC.MCCodeEmitter.o
[4/7339] CXX obj/llvm/lib/MC/MC.MCAsmMacro.o
[5/7339] CXX obj/llvm/lib/IR/IR.Use.o
[6/7339] CXX obj/llvm/lib/MC/MC.MCAsmInfoCOFF.o
[7/7339] CXX obj/llvm/lib/IR/IR.VectorTypeUtils.o
[8/7339] CXX obj/llvm/lib/MC/MC.MCAsmInfoWasm.o
[9/7339] CXX obj/llvm/lib/MC/MC.MCAsmInfoGOFF.o
[10/7339] CXX obj/llvm/lib/MC/MC.MCAsmInfoDarwin.o
[11/7339] CXX obj/llvm/lib/MC/MC.MCAsmInfoXCOFF.o
[12/7339] CXX obj/llvm/lib/IR/IR.PassInstrumentation.o
[13/7339] CXX obj/llvm/lib/IR/IR.PassRegistry.o
[14/7339] CXX obj/llvm/lib/IR/IR.NVVMIntrinsicUtils.o
[15/7339] CXX obj/llvm/lib/IR/IR.ValueSymbolTable.o
[16/7339] CXX obj/llvm/lib/IR/IR.SSAContext.o
[17/7339] CXX obj/llvm/lib/IR/IR.ProfileSummary.o
[18/7339] CXX obj/llvm/lib/MC/MCParser/MCParser.GOFFAsmParser.o
[19/7339] CXX obj/llvm/lib/IR/IR.Mangler.o
[20/7339] CXX obj/llvm/lib/MC/MCParser/MCParser.XCOFFAsmParser.o
[21/7339] CXX obj/llvm/lib/IR/IR.MemoryModelRelaxationAnnotations.o
[22/7339] CXX obj/llvm/lib/IR/IR.MDBuilder.o
[23/7339] CXX obj/llvm/lib/IR/IR.PrintPasses.o
[24/7339] CXX obj/llvm/lib/IR/IR.ProfDataUtils.o
[25/7339] CXX obj/llvm/lib/IR/IR.OptBisect.o
[26/7339] CXX obj/llvm/lib/MC/MC.MCAsmInfoELF.o
[27/7339] CXX obj/llvm/lib/IR/IR.Pass.o
[28/7339] CXX obj/llvm/lib/MC/MCParser/MCParser.MCAsmParserExtension.o
[29/7339] CXX obj/llvm/lib/IR/IR.PassTimingInfo.o
[30/7339] CXX obj/llvm/lib/MC/MC.ConstantPools.o
[31/7339] CXX obj/llvm/lib/IR/IR.VFABIDemangler.o
[32/7339] CXX obj/llvm/lib/MC/MCParser/MCParser.MCTargetAsmParser.o
[33/7339] CXX obj/llvm/lib/IR/IR.ReplaceConstant.o
[34/7339] CXX obj/llvm/lib/MC/MCParser/MCParser.WasmAsmParser.o
[35/7339] CXX obj/llvm/lib/IR/IR.LLVMRemarkStreamer.o
[36/7339] CXX obj/llvm/lib/MC/MC.MCAsmBackend.o
[37/7339] CXX obj/llvm/lib/MC/MCParser/MCParser.MCAsmParser.o
[38/7339] CXX obj/llvm/lib/IR/IR.RuntimeLibcalls.o
[39/7339] CXX obj/llvm/lib/MC/MCParser/MCParser.ELFAsmParser.o
[40/7339] CXX obj/llvm/lib/InterfaceStub/InterfaceStub.IFSHandler.o
[41/7339] CXX obj/llvm/lib/MC/MC.MCAssembler.o
[42/7339] CXX obj/llvm/lib/MC/MC.MCAsmInfo.o
[43/7339] CXX obj/llvm/lib/IR/IR.Statepoint.o
[44/7339] CXX obj/llvm/lib/MC/MCParser/MCParser.DarwinAsmParser.o
[45/7339] CXX obj/llvm/lib/IR/IR.User.o
[46/7339] CXX obj/llvm/lib/IRPrinter/IRPrinter.IRPrintingPasses.o
[47/7339] CXX obj/llvm/lib/IR/IR.PseudoProbe.o
[48/7339] CXX obj/llvm/lib/IR/IR.TypedPointerType.o
[49/7339] CXX obj/llvm/lib/IR/IR.StructuralHash.o
[50/7339] CXX obj/llvm/lib/MC/MC.MCCodeView.o
[51/7339] CXX obj/llvm/lib/IR/IR.Operator.o
[52/7339] CXX obj/llvm/lib/IR/IR.TypeFinder.o
[53/7339] CXX obj/llvm/lib/IR/IR.PassManager.o
[54/7339] CXX obj/llvm/lib/MC/MC.MCAsmStreamer.o
[55/7339] CXX obj/llvm/lib/IR/IR.LLVMContext.o
[56/7339] CXX obj/llvm/lib/IR/IR.LegacyPassManager.o
[57/7339] CXX obj/llvm/lib/IR/IR.ModuleSummaryIndex.o
[58/7339] CXX obj/llvm/lib/InterfaceStub/InterfaceStub.ELFObjHandler.o
[59/7339] CXX obj/llvm/lib/IR/IR.SafepointIRVerifier.o
[60/7339] CXX obj/llvm/lib/IR/IR.Value.o
[61/7339] CXX obj/llvm/lib/IR/IR.Type.o
[62/7339] CXX obj/llvm/lib/IR/IR.Module.o
[63/7339] CXX obj/llvm/lib/MC/MC.MCContext.o
[64/7339] CXX obj/llvm/lib/IR/IR.LLVMContextImpl.o
[65/7339] CXX obj/llvm/lib/MC/MCParser/MCParser.MasmParser.o
[66/7339] CXX obj/llvm/lib/IR/IR.Metadata.o
[67/7339] CXX obj/llvm/lib/IR/IR.Verifier.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.