ninja: Entering directory `out/gn'
[0/1] Regenerating ninja files
[1/2473] 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'
[2/2473] LINK ./bin/llvm-opt-report
[3/2473] LINK ./bin/llvm-size
[4/2473] LINK ./bin/llvm-sim
[5/2473] CXX obj/llvm/lib/Target/AVR/LLVMAVRCodeGen.AVRSelectionDAGInfo.o
[6/2473] CXX obj/llvm/lib/Target/BPF/GISel/LLVMBPFCodeGen.BPFRegisterBankInfo.o
[7/2473] CXX obj/llvm/lib/Target/AVR/LLVMAVRCodeGen.AVRShiftExpand.o
[8/2473] CXX obj/llvm/lib/Target/BPF/MCTargetDesc/MCTargetDesc.BPFInstPrinter.o
[9/2473] CXX obj/llvm/lib/Target/Hexagon/LLVMHexagonCodeGen.HexagonCFGOptimizer.o
[10/2473] CXX obj/llvm/lib/Target/BPF/LLVMBPFCodeGen.BPFASpaceCastSimplifyPass.o
[11/2473] CXX obj/llvm/lib/Target/BPF/LLVMBPFCodeGen.BPFIRPeephole.o
[12/2473] CXX obj/llvm/lib/Target/AVR/AsmParser/AsmParser.AVRAsmParser.o
[13/2473] CXX obj/llvm/lib/Target/BPF/LLVMBPFCodeGen.BPFPreserveDIType.o
[14/2473] CXX obj/llvm/lib/Target/BPF/LLVMBPFCodeGen.BPFPreserveStaticOffset.o
[15/2473] CXX obj/llvm/lib/Target/BPF/LLVMBPFCodeGen.BPFAdjustOpt.o
[16/2473] CXX obj/llvm/lib/Target/AVR/LLVMAVRCodeGen.AVRSubtarget.o
[17/2473] CXX obj/llvm/lib/Target/AVR/LLVMAVRCodeGen.AVRMCInstLower.o
[18/2473] CXX obj/llvm/lib/Target/Hexagon/LLVMHexagonCodeGen.HexagonBranchRelaxation.o
[19/2473] CXX obj/llvm/lib/Target/Hexagon/LLVMHexagonCodeGen.BitTracker.o
[20/2473] CXX obj/llvm/lib/Target/BPF/GISel/LLVMBPFCodeGen.BPFCallLowering.o
[21/2473] CXX obj/llvm/lib/Target/AVR/LLVMAVRCodeGen.AVRRegisterInfo.o
[22/2473] CXX obj/llvm/lib/Target/AVR/LLVMAVRCodeGen.AVRFrameLowering.o
[23/2473] CXX obj/llvm/lib/Target/BPF/LLVMBPFCodeGen.BPFCheckAndAdjustIR.o
[24/2473] CXX obj/llvm/lib/Target/AVR/LLVMAVRCodeGen.AVRTargetObjectFile.o
[25/2473] CXX obj/llvm/lib/Target/AVR/LLVMAVRCodeGen.AVRISelDAGToDAG.o
[26/2473] CXX obj/llvm/lib/Target/Hexagon/LLVMHexagonCodeGen.HexagonCommonGEP.o
[27/2473] CXX obj/llvm/lib/Target/Hexagon/LLVMHexagonCodeGen.HexagonBlockRanges.o
[28/2473] CXX obj/llvm/lib/Target/BPF/LLVMBPFCodeGen.BPFSelectionDAGInfo.o
[29/2473] CXX obj/llvm/lib/Target/AVR/LLVMAVRCodeGen.AVRInstrInfo.o
[30/2473] CXX obj/llvm/lib/Target/BPF/LLVMBPFCodeGen.BPFMISimplifyPatchable.o
[31/2473] CXX obj/llvm/lib/Target/BPF/LLVMBPFCodeGen.BPFMIChecking.o
[32/2473] CXX obj/llvm/lib/Target/AVR/LLVMAVRCodeGen.AVRAsmPrinter.o
[33/2473] CXX obj/llvm/lib/Target/Hexagon/LLVMHexagonCodeGen.HexagonCopyToCombine.o
[34/2473] CXX obj/llvm/lib/Target/AVR/LLVMAVRCodeGen.AVRExpandPseudoInsts.o
[35/2473] CXX obj/llvm/lib/Target/AVR/LLVMAVRCodeGen.AVRISelLowering.o
[36/2473] CXX obj/llvm/lib/Target/Hexagon/LLVMHexagonCodeGen.HexagonCopyHoisting.o
[37/2473] CXX obj/llvm/lib/Target/BPF/LLVMBPFCodeGen.BPFSubtarget.o
[38/2473] CXX obj/llvm/lib/Target/BPF/LLVMBPFCodeGen.BPFFrameLowering.o
[39/2473] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.Thumb1InstrInfo.o
[40/2473] CXX obj/llvm/lib/Target/Hexagon/LLVMHexagonCodeGen.HexagonBitTracker.o
[41/2473] CXX obj/llvm/lib/Target/BPF/LLVMBPFCodeGen.BPFInstrInfo.o
[42/2473] CXX obj/llvm/lib/Target/BPF/LLVMBPFCodeGen.BPFRegisterInfo.o
[43/2473] CXX obj/llvm/lib/Target/Hexagon/LLVMHexagonCodeGen.HexagonBitSimplify.o
[44/2473] CXX obj/llvm/lib/Target/Hexagon/LLVMHexagonCodeGen.HexagonAsmPrinter.o
[45/2473] CXX obj/llvm/lib/Target/BPF/LLVMBPFCodeGen.BPFMIPeephole.o
[46/2473] CXX obj/llvm/lib/Target/BPF/LLVMBPFCodeGen.BPFISelDAGToDAG.o
[47/2473] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ThumbRegisterInfo.o
[48/2473] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.MVEVPTBlockPass.o
[49/2473] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.Thumb2ITBlockPass.o
[50/2473] CXX obj/llvm/lib/Target/BPF/LLVMBPFCodeGen.BPFMCInstLower.o
[51/2473] CXX obj/llvm/lib/Target/Hexagon/LLVMHexagonCodeGen.HexagonConstExtenders.o
[52/2473] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.Thumb2InstrInfo.o
[53/2473] CXX obj/llvm/lib/Target/Hexagon/LLVMHexagonCodeGen.HexagonConstPropagation.o
[54/2473] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.Thumb2SizeReduction.o
[55/2473] CXX obj/llvm/lib/Target/BPF/LLVMBPFCodeGen.BTFDebug.o
[56/2473] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.MVETPAndVPTOptimisationsPass.o
[57/2473] CXX obj/llvm/lib/Target/BPF/LLVMBPFCodeGen.BPFAsmPrinter.o
[58/2473] CXX obj/llvm/lib/Target/BPF/LLVMBPFCodeGen.BPFAbstractMemberAccess.o
[59/2473] CXX obj/llvm/lib/Target/BPF/LLVMBPFCodeGen.BPFISelLowering.o
[60/2473] CXX obj/llvm/lib/Target/BPF/GISel/LLVMBPFCodeGen.BPFInstructionSelector.o
[61/2473] CXX obj/llvm/lib/Target/AVR/LLVMAVRCodeGen.AVRTargetMachine.o
[62/2473] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.MVETailPredication.o
[63/2473] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.Thumb1FrameLowering.o
[64/2473] CXX obj/llvm/lib/Target/AVR/LLVMAVRCodeGen.AVRTargetTransformInfo.o
[65/2473] CXX obj/llvm/lib/Target/BPF/LLVMBPFCodeGen.BPFTargetMachine.o
[66/2473] CXX obj/llvm/lib/Target/ARM/AsmParser/AsmParser.ARMAsmParser.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.