ninja: Entering directory `out/gn'
[1/4966] 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'
[2/4966] LINK ./bin/llvm-mt
[3/4966] LINK ./bin/llvm-objcopy
[4/4966] CXX obj/lldb/source/Plugins/SymbolFile/DWARF/DWARF.DWARFDataExtractor.o
[5/4966] CXX obj/lldb/source/Plugins/Process/minidump/minidump.MinidumpTypes.o
[6/4966] CXX obj/lldb/source/Plugins/Process/Utility/Utility.RegisterInfos_x86_64_with_base_shared.o
[7/4966] CXX obj/lldb/source/Plugins/Process/minidump/minidump.RegisterContextMinidump_ARM.o
[8/4966] CXX obj/lldb/source/Plugins/Process/minidump/minidump.RegisterContextMinidump_x86_32.o
[9/4966] CXX obj/lldb/source/Plugins/Process/gdb-remote/gdb-remote.GDBRemoteClientBase.o
[10/4966] CXX obj/lldb/source/Plugins/SymbolFile/DWARF/DWARF.DWARFContext.o
[11/4966] CXX obj/lldb/source/Plugins/Process/elf-core/elf-core.RegisterUtilities.o
[12/4966] CXX obj/lldb/source/Plugins/Process/elf-core/elf-core.RegisterContextPOSIXCore_x86_64.o
[13/4966] CXX obj/lldb/source/Plugins/Process/elf-core/elf-core.RegisterContextPOSIXCore_arm.o
[14/4966] CXX obj/lldb/source/Plugins/Process/elf-core/elf-core.RegisterContextPOSIXCore_loongarch64.o
[15/4966] CXX obj/lldb/source/Plugins/Process/minidump/minidump.MinidumpParser.o
[16/4966] CXX obj/lldb/source/Plugins/SymbolFile/DWARF/DWARF.DWARFDebugInfo.o
[17/4966] CXX obj/lldb/source/Plugins/SymbolFile/DWARF/DWARF.DWARFDebugMacro.o
[18/4966] CXX obj/lldb/source/Plugins/SymbolFile/NativePDB/NativePDB.CompileUnitIndex.o
[19/4966] CXX obj/lldb/source/Plugins/SymbolFile/DWARF/DWARF.DWARFDebugAranges.o
[20/4966] CXX obj/lldb/source/Plugins/Process/Utility/Utility.ThreadMemory.o
[21/4966] CXX obj/lldb/source/Plugins/Process/elf-core/elf-core.RegisterContextPOSIXCore_arm64.o
[22/4966] CXX obj/lldb/source/Plugins/SymbolFile/DWARF/DWARF.DWARFDebugInfoEntry.o
[23/4966] CXX obj/lldb/source/Plugins/Process/Utility/Utility.StopInfoMachException.o
[24/4966] CXX obj/lldb/source/Plugins/ScriptInterpreter/None/None.ScriptInterpreterNone.o
[25/4966] CXX obj/lldb/source/Plugins/SymbolFile/DWARF/DWARF.DWARFDIE.o
[26/4966] CXX obj/lldb/source/Plugins/Process/elf-core/elf-core.ThreadElfCore.o
[27/4966] CXX obj/bolt/lib/Passes/Passes.AArch64RelaxationPass.o
[28/4966] CXX obj/bolt/lib/Passes/Passes.FixRISCVCallsPass.o
[29/4966] CXX obj/bolt/lib/Passes/Passes.Aligner.o
[30/4966] CXX obj/bolt/lib/Core/Core.ParallelUtilities.o
[31/4966] CXX obj/lld/wasm/wasm.Symbols.o
[32/4966] CXX obj/bolt/lib/Passes/Passes.FixRelaxationPass.o
[33/4966] CXX obj/lld/wasm/wasm.MapFile.o
[34/4966] CXX obj/lldb/source/Plugins/Process/elf-core/elf-core.ProcessElfCore.o
[35/4966] CXX obj/bolt/lib/Passes/Passes.PointerAuthCFIAnalyzer.o
[36/4966] CXX obj/bolt/lib/Passes/Passes.ValidateMemRefs.o
[37/4966] CXX obj/lld/wasm/wasm.Relocations.o
[38/4966] CXX obj/bolt/lib/Passes/Passes.LoopInversionPass.o
[39/4966] CXX obj/lldb/source/Plugins/DynamicLoader/POSIX-DYLD/POSIX-DYLD.DynamicLoaderPOSIXDYLD.o
[40/4966] CXX obj/bolt/lib/Core/Core.DIEBuilder.o
[41/4966] CXX obj/lldb/source/Core/Core.ModuleList.o
[42/4966] CXX obj/bolt/lib/Passes/Passes.PointerAuthCFIFixup.o
[43/4966] CXX obj/bolt/lib/Passes/Passes.LongJmp.o
[44/4966] CXX obj/lld/wasm/wasm.OutputSegment.o
[45/4966] CXX obj/lld/wasm/wasm.MarkLive.o
[46/4966] CXX obj/lld/wasm/wasm.InputChunks.o
[47/4966] CXX obj/lld/wasm/wasm.OutputSections.o
[48/4966] CXX obj/bolt/lib/Passes/Passes.Instrumentation.o
[49/4966] CXX obj/lld/wasm/wasm.LTO.o
[50/4966] CXX obj/bolt/lib/Passes/Passes.IdenticalCodeFolding.o
[51/4966] CXX obj/bolt/lib/Passes/Passes.FrameOptimizer.o
[52/4966] CXX obj/bolt/lib/Passes/Passes.MCF.o
[53/4966] CXX obj/bolt/lib/Passes/Passes.FrameAnalysis.o
[54/4966] CXX obj/bolt/lib/Passes/Passes.SplitFunctions.o
[55/4966] CXX obj/lld/wasm/wasm.Driver.o
[56/4966] CXX obj/lld/wasm/wasm.SymbolTable.o
[57/4966] CXX obj/lld/wasm/wasm.InputFiles.o
[58/4966] CXX obj/lld/wasm/wasm.SyntheticSections.o
[59/4966] CXX obj/lldb/source/Core/Core.Debugger.o
[60/4966] CXX obj/bolt/lib/Passes/Passes.PAuthGadgetScanner.o
[61/4966] CXX obj/lldb/source/Plugins/DynamicLoader/MacOSX-DYLD/MacOSX-DYLD.DynamicLoaderDarwin.o
[62/4966] CXX obj/lld/wasm/wasm.Writer.o
[63/4966] CXX obj/bolt/lib/Passes/Passes.BinaryPasses.o
[64/4966] CXX obj/clang/lib/CodeGen/CodeGen.CodeGenAction.o
[65/4966] CXX obj/clang/lib/CodeGen/CodeGen.BackendUtil.o
[66/4966] CXX obj/clang/lib/AST/AST.AttrImpl.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.