ninja: Entering directory `out/gn'
[1/7600] 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'
[2/7600] CXX obj/llvm/lib/BinaryFormat/BinaryFormat.Wasm.o
[3/7600] CXX obj/llvm/lib/DebugInfo/GSYM/GSYM.FileWriter.o
[4/7600] CXX obj/llvm/lib/CodeGenTypes/CodeGenTypes.LowLevelType.o
[5/7600] CXX obj/llvm/lib/BinaryFormat/BinaryFormat.MsgPackWriter.o
[6/7600] CXX obj/llvm/lib/DebugInfo/GSYM/GSYM.ExtractRanges.o
[7/7600] CXX obj/llvm/lib/BinaryFormat/BinaryFormat.MsgPackReader.o
[8/7600] CXX obj/llvm/lib/BinaryFormat/BinaryFormat.XCOFF.o
[9/7600] CXX obj/llvm/lib/DebugInfo/DWARF/LowLevel/LowLevel.DWARFCFIProgram.o
[10/7600] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFUnitIndex.o
[11/7600] CXX obj/llvm/lib/DebugInfo/DWARF/LowLevel/LowLevel.DWARFExpression.o
[12/7600] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFLocationExpression.o
[13/7600] CXX obj/llvm/lib/BinaryFormat/BinaryFormat.SFrame.o
[14/7600] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFAddressRange.o
[15/7600] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFCFIPrinter.o
[16/7600] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFGdbIndex.o
[17/7600] CXX obj/llvm/lib/BinaryFormat/BinaryFormat.MsgPackDocumentYAML.o
[18/7600] CXX obj/llvm/lib/Bitcode/Reader/Reader.ValueList.o
[19/7600] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFDebugPubTable.o
[20/7600] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFTypeUnit.o
[21/7600] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFCompileUnit.o
[22/7600] CXX obj/llvm/lib/CGData/CGData.OutlinedHashTree.o
[23/7600] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFUnwindTablePrinter.o
[24/7600] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFAbbreviationDeclaration.o
[25/7600] CXX obj/llvm/lib/Bitcode/Reader/Reader.BitReader.o
[26/7600] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFDebugInfoEntry.o
[27/7600] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFDebugAbbrev.o
[28/7600] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFDebugRnglists.o
[29/7600] CXX obj/llvm/lib/DebugInfo/GSYM/GSYM.FunctionInfo.o
[30/7600] CXX obj/llvm/lib/DebugInfo/GSYM/GSYM.GsymReader.o
[31/7600] CXX obj/llvm/lib/DebugInfo/DWARF/LowLevel/LowLevel.DWARFUnwindTable.o
[32/7600] CXX obj/llvm/lib/DebugInfo/GSYM/GSYM.GsymContext.o
[33/7600] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFDebugRangeList.o
[34/7600] CXX obj/llvm/lib/DebugInfo/GSYM/GSYM.CallSiteInfo.o
[35/7600] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFDebugMacro.o
[36/7600] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFDebugAddr.o
[37/7600] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFDebugLoc.o
[38/7600] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFDebugArangeSet.o
[39/7600] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFExpressionPrinter.o
[40/7600] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFListTable.o
[41/7600] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFFormValue.o
[42/7600] CXX obj/llvm/unittests/ProfileData/ProfileDataTests.ItaniumManglingCanonicalizerTest.o
[43/7600] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFDebugAranges.o
[44/7600] CXX obj/llvm/lib/CGData/CGData.CodeGenDataWriter.o
[45/7600] CXX obj/llvm/lib/DWARFCFIChecker/DWARFCFIChecker.DWARFCFIState.o
[46/7600] CXX obj/llvm/lib/DWARFCFIChecker/DWARFCFIChecker.DWARFCFIFunctionFrameAnalyzer.o
[47/7600] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFDebugFrame.o
[48/7600] CXX obj/llvm/lib/DWARFCFIChecker/DWARFCFIChecker.DWARFCFIAnalysis.o
[49/7600] CXX obj/llvm/lib/Bitcode/Reader/Reader.BitcodeAnalyzer.o
[50/7600] CXX obj/llvm/lib/CGData/CGData.CodeGenDataReader.o
[51/7600] CXX obj/llvm/lib/DebugInfo/LogicalView/Core/LogicalView.LVElement.o
[52/7600] CXX obj/llvm/lib/DebugInfo/GSYM/GSYM.GsymCreator.o
[53/7600] CXX obj/llvm/lib/DebugInfo/LogicalView/Core/LogicalView.LVCompare.o
[54/7600] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFUnit.o
[55/7600] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFDie.o
[56/7600] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFAcceleratorTable.o
[57/7600] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFDebugLine.o
[58/7600] CXX obj/llvm/lib/CGData/CGData.CodeGenData.o
[59/7600] CXX obj/llvm/lib/DebugInfo/GSYM/GSYM.DwarfTransformer.o
[60/7600] CXX obj/llvm/unittests/ProfileData/ProfileDataTests.PGOCtxProfReaderWriterTest.o
[61/7600] CXX obj/llvm/unittests/ProfileData/ProfileDataTests.SampleProfTest.o
[62/7600] CXX obj/llvm/lib/Bitcode/Reader/Reader.MetadataLoader.o
[63/7600] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFContext.o
[64/7600] CXX obj/llvm/lib/DebugInfo/DWARF/DWARF.DWARFVerifier.o
[65/7600] CXX obj/llvm/unittests/ProfileData/ProfileDataTests.MemProfTest.o
[66/7600] CXX obj/llvm/lib/Bitcode/Reader/Reader.BitcodeReader.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.