ninja: Entering directory `out/gn'
[1/8591] 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'
[2/8591] CXX obj/BUILD_DIR/gen/clang-tools-extra/clangd/unittests/DecisionForestRuntimeTest.DecisionForestRuntimeTest.o
[3/8591] CXX obj/lldb/source/Version/Version.Version.o
[4/8591] CXX obj/llvm/lib/DebugInfo/CodeView/CodeView.CodeViewError.o
[5/8591] CXX obj/llvm/lib/DebugInfo/MSF/MSF.MSFCommon.o
[6/8591] CXX obj/clang-tools-extra/clang-doc/support/support.File.o
[7/8591] CXX obj/llvm/lib/CAS/CAS.ActionCache.o
[8/8591] CXX obj/llvm/lib/DebugInfo/CodeView/CodeView.DebugCrossExSubsection.o
[9/8591] CXX obj/clang-tools-extra/clang-tidy/misc/ConfusableTable/clang-tidy-confusable-chars-gen.BuildConfusableTable.o
[10/8591] CXX obj/llvm/lib/CAS/CAS.DatabaseFile.o
[11/8591] CXX obj/llvm/lib/DebugInfo/CodeView/CodeView.DebugInlineeLinesSubsection.o
[12/8591] CXX obj/llvm/lib/DebugInfo/CodeView/CodeView.DebugFrameDataSubsection.o
[13/8591] CXX obj/llvm/lib/DebugInfo/CodeView/CodeView.DebugChecksumsSubsection.o
[14/8591] CXX obj/llvm/lib/DebugInfo/CodeView/CodeView.AppendingTypeTableBuilder.o
[15/8591] CXX obj/llvm/lib/CAS/CAS.OnDiskDataAllocator.o
[16/8591] CXX obj/llvm/lib/CAS/CAS.OnDiskCommon.o
[17/8591] CXX obj/llvm/lib/DebugInfo/CodeView/CodeView.DebugCrossImpSubsection.o
[18/8591] CXX obj/lldb/tools/argdumper/lldb-argdumper.argdumper.o
[19/8591] CXX obj/llvm/lib/DebugInfo/CodeView/CodeView.CodeViewRecordIO.o
[20/8591] CXX obj/llvm/lib/CAS/CAS.OnDiskCAS.o
[21/8591] CXX obj/llvm/lib/CAS/CAS.BuiltinUnifiedCASDatabases.o
[22/8591] CXX obj/llvm/lib/CAS/CAS.OnDiskTrieRawHashMap.o
[23/8591] CXX obj/llvm/lib/DebugInfo/BTF/BTF.BTFContext.o
[24/8591] CXX obj/llvm/lib/CAS/CAS.InMemoryCAS.o
[25/8591] CXX obj/llvm/lib/CAS/CAS.BuiltinCAS.o
[26/8591] CXX obj/clang/utils/TableGen/clang-tblgen.ClangDataCollectorsEmitter.o
[27/8591] CXX obj/bolt/lib/Utils/Utils.Utils.o
[28/8591] CXX obj/llvm/lib/CAS/CAS.OnDiskKeyValueDB.o
[29/8591] CXX obj/lldb/utils/TableGen/lldb-tblgen.LLDBTableGenUtils.o
[30/8591] CXX obj/llvm/lib/CAS/CAS.MappedFileRegionArena.o
[31/8591] CXX obj/lldb/utils/TableGen/lldb-tblgen.LLDBTableGen.o
[32/8591] CXX obj/llvm/lib/DebugInfo/CodeView/CodeView.ContinuationRecordBuilder.o
[33/8591] CXX obj/clang/utils/TableGen/clang-tblgen.ClangCommentHTMLTagsEmitter.o
[34/8591] CXX obj/lldb/utils/TableGen/lldb-tblgen.LLDBPropertyDefEmitter.o
[35/8591] CXX obj/clang/utils/TableGen/clang-tblgen.ClangCommentHTMLNamedCharacterReferenceEmitter.o
[36/8591] CXX obj/clang/utils/TableGen/clang-tblgen.ClangCommentCommandInfoEmitter.o
[37/8591] CXX obj/llvm/lib/DebugInfo/CodeView/CodeView.CVSymbolVisitor.o
[38/8591] CXX obj/clang/utils/TableGen/clang-tblgen.ASTTableGen.o
[39/8591] CXX obj/bolt/lib/Utils/Utils.CommandLineOpts.o
[40/8591] CXX obj/llvm/lib/CAS/CAS.ObjectStore.o
[41/8591] CXX obj/llvm/lib/CAS/CAS.ActionCaches.o
[42/8591] CXX obj/clang/utils/TableGen/clang-tblgen.CIRLoweringEmitter.o
[43/8591] CXX obj/clang/utils/TableGen/clang-tblgen.ClangTypeNodesEmitter.o
[44/8591] CXX obj/llvm/lib/Bitstream/Reader/Reader.BitstreamReader.o
[45/8591] CXX obj/clang/lib/Support/Support.RISCVVIntrinsicUtils.o
[46/8591] CXX obj/clang/utils/TableGen/clang-tblgen.ClangSACheckersEmitter.o
[47/8591] CXX obj/clang/utils/TableGen/clang-tblgen.TableGen.o
[48/8591] CXX obj/clang/utils/TableGen/clang-tblgen.ClangASTNodesEmitter.o
[49/8591] CXX obj/clang/utils/TableGen/clang-tblgen.ClangBuiltinTemplatesEmitter.o
[50/8591] CXX obj/clang/utils/TableGen/clang-tblgen.ClangOpcodesEmitter.o
[51/8591] CXX obj/lldb/utils/TableGen/lldb-tblgen.LLDBOptionDefEmitter.o
[52/8591] CXX obj/llvm/lib/DebugInfo/CodeView/CodeView.CVTypeVisitor.o
[53/8591] CXX obj/llvm/lib/CAS/CAS.UnifiedOnDiskCache.o
[54/8591] CXX obj/clang/utils/TableGen/clang-tblgen.ClangBuiltinsEmitter.o
[55/8591] CXX obj/llvm/lib/DebugInfo/BTF/BTF.BTFParser.o
[56/8591] CXX obj/clang/utils/TableGen/clang-tblgen.ClangSyntaxEmitter.o
[57/8591] CXX obj/clang/utils/TableGen/clang-tblgen.ClangASTPropertiesEmitter.o
[58/8591] CXX obj/clang/utils/TableGen/clang-tblgen.ClangOptionDocEmitter.o
[59/8591] CXX obj/llvm/lib/CAS/CAS.OnDiskGraphDB.o
[60/8591] CXX obj/clang/utils/TableGen/clang-tblgen.ClangOpenCLBuiltinEmitter.o
[61/8591] CXX obj/clang/utils/TableGen/clang-tblgen.SveEmitter.o
[62/8591] CXX obj/clang/utils/TableGen/clang-tblgen.RISCVVEmitter.o
[63/8591] CXX obj/clang/utils/TableGen/clang-tblgen.ClangDiagnosticsEmitter.o
[64/8591] CXX obj/clang/utils/TableGen/clang-tblgen.MveEmitter.o
[65/8591] CXX obj/clang/utils/TableGen/clang-tblgen.NeonEmitter.o
[66/8591] CXX obj/clang/utils/TableGen/clang-tblgen.ClangAttrEmitter.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.