ninja: Entering directory `out/gn'
[1/2537] 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'
[2/2537] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMRegisterInfo.o
[3/2537] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMConstantPoolValue.o
[4/2537] CXX obj/llvm/lib/Target/AMDGPU/Utils/Utils.AMDGPUPALMetadata.o
[5/2537] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMOptimizeBarriersPass.o
[6/2537] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.SIModeRegisterDefaults.o
[7/2537] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMBasicBlockInfo.o
[8/2537] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.SIProgramInfo.o
[9/2537] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMBranchTargets.o
[10/2537] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.SIPostRABundler.o
[11/2537] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.SIOptimizeExecMasking.o
[12/2537] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.SIModeRegister.o
[13/2537] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.SIShrinkInstructions.o
[14/2537] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.SILowerI1Copies.o
[15/2537] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMMachineFunctionInfo.o
[16/2537] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.MLxExpansionPass.o
[17/2537] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.SIOptimizeExecMaskingPreRA.o
[18/2537] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.SIPeepholeSDWA.o
[19/2537] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMCallLowering.o
[20/2537] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.SIPreEmitPeephole.o
[21/2537] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMRegisterBankInfo.o
[22/2537] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMHazardRecognizer.o
[23/2537] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMMacroFusion.o
[24/2537] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMLegalizerInfo.o
[25/2537] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMTargetObjectFile.o
[26/2537] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMBaseRegisterInfo.o
[27/2537] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMFixCortexA57AES1742098Pass.o
[28/2537] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMBlockPlacement.o
[29/2537] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMInstrInfo.o
[30/2537] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.SILowerWWMCopies.o
[31/2537] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.A15SDOptimizer.o
[32/2537] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMLatencyMutations.o
[33/2537] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.SIPreAllocateWWMRegs.o
[34/2537] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.SILoadStoreOptimizer.o
[35/2537] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.SIMemoryLegalizer.o
[36/2537] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMMCInstLower.o
[37/2537] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMCallingConv.o
[38/2537] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMSLSHardening.o
[39/2537] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.MVELaneInterleavingPass.o
[40/2537] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.SIMachineScheduler.o
[41/2537] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.MVEGatherScatterLowering.o
[42/2537] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMSelectionDAGInfo.o
[43/2537] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMExpandPseudoInsts.o
[44/2537] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.SILowerSGPRSpills.o
[45/2537] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMSubtarget.o
[46/2537] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.SIMachineFunctionInfo.o
[47/2537] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.SILowerControlFlow.o
[48/2537] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.SIWholeQuadMode.o
[49/2537] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMParallelDSP.o
[50/2537] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.SIOptimizeVGPRLiveRange.o
[51/2537] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMLowOverheadLoops.o
[52/2537] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMConstantIslandPass.o
[53/2537] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMInstructionSelector.o
[54/2537] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMFastISel.o
[55/2537] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMAsmPrinter.o
[56/2537] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMFrameLowering.o
[57/2537] CXX obj/llvm/lib/Target/ARM/Disassembler/Disassembler.ARMDisassembler.o
[58/2537] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMLoadStoreOptimizer.o
[59/2537] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMISelDAGToDAG.o
[60/2537] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMTargetTransformInfo.o
[61/2537] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMBaseInstrInfo.o
[62/2537] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMTargetMachine.o
[63/2537] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.SIRegisterInfo.o
[64/2537] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMISelLowering.o
[65/2537] CXX obj/llvm/lib/Target/AMDGPU/AsmParser/AsmParser.AMDGPUAsmParser.o
[66/2537] CXX obj/llvm/lib/Target/AMDGPU/Disassembler/Disassembler.AMDGPUDisassembler.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.