ninja: Entering directory `out/gn'
[1/4642] 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'
[2/4642] CXX obj/llvm/lib/CodeGen/CodeGen.LowLevelTypeUtils.o
[3/4642] CXX obj/llvm/lib/CodeGen/CodeGen.LoopTraversal.o
[4/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MBFIWrapper.o
[5/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MachineBranchProbabilityInfo.o
[6/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MachineFunctionPrinterPass.o
[7/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MIRNamerPass.o
[8/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MachineBlockHashInfo.o
[9/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MachineDominanceFrontier.o
[10/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MachineModuleInfoImpls.o
[11/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MIRPrintingPass.o
[12/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MachineOptimizationRemarkEmitter.o
[13/4642] CXX obj/llvm/lib/CodeGen/CodeGen.LiveRegUnits.o
[14/4642] CXX obj/llvm/lib/CodeGen/CodeGen.LiveStacks.o
[15/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MachineModuleSlotTracker.o
[16/4642] CXX obj/llvm/lib/CodeGen/CodeGen.LiveRegMatrix.o
[17/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MIRYamlMapping.o
[18/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MachineLoopUtils.o
[19/4642] CXX obj/llvm/lib/CodeGen/CodeGen.LocalStackSlotAllocation.o
[20/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MIRVRegNamerUtils.o
[21/4642] CXX obj/llvm/lib/CodeGen/CodeGen.LowerEmuTLS.o
[22/4642] CXX obj/llvm/lib/CodeGen/CodeGen.LiveRangeCalc.o
[23/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MachineFunctionAnalysis.o
[24/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MachineCFGPrinter.o
[25/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MachineFrameInfo.o
[26/4642] CXX obj/llvm/lib/CodeGen/CodeGen.LivePhysRegs.o
[27/4642] CXX obj/llvm/lib/CodeGen/CodeGen.LiveRangeShrink.o
[28/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MachineRegisterInfo.o
[29/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MachineModuleInfo.o
[30/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MachineDomTreeUpdater.o
[31/4642] CXX obj/llvm/lib/CodeGen/CodeGen.LiveRangeEdit.o
[32/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MachineLateInstrsCleanup.o
[33/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MIRCanonicalizerPass.o
[34/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MachineInstrBundle.o
[35/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MachineCombiner.o
[36/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MachineCheckDebugify.o
[37/4642] CXX obj/llvm/lib/CodeGen/CodeGen.LiveVariables.o
[38/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MIRFSDiscriminator.o
[39/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MachineFunctionPass.o
[40/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MLRegAllocPriorityAdvisor.o
[41/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MachineFunctionSplitter.o
[42/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MachinePassManager.o
[43/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MachineOperand.o
[44/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MachineConvergenceVerifier.o
[45/4642] CXX obj/lldb/source/Plugins/Language/CPlusPlus/CPlusPlus.MsvcStlVariant.o
[46/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MachineCSE.o
[47/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MachineCycleAnalysis.o
[48/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MachineRegionInfo.o
[49/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MachineBlockFrequencyInfo.o
[50/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MLRegAllocEvictAdvisor.o
[51/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MIR2Vec.o
[52/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MachineLoopInfo.o
[53/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MachineDebugify.o
[54/4642] CXX obj/llvm/lib/CodeGen/CodeGen.LiveIntervals.o
[55/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MachineDominators.o
[56/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MachineCopyPropagation.o
[57/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MachinePostDominators.o
[58/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MachineLICM.o
[59/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MachineInstr.o
[60/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MachineFunction.o
[61/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MachineBasicBlock.o
[62/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MIRSampleProfile.o
[63/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MachineBlockPlacement.o
[64/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MachineOutliner.o
[65/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MIRPrinter.o
[66/4642] CXX obj/llvm/lib/CodeGen/CodeGen.MachinePipeliner.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.