ninja: Entering directory `out/gn'
[1/5137] 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'
[2/5137] CXX obj/lldb/source/Core/Core.AddressRangeListImpl.o
[3/5137] CXX obj/lldb/source/Core/Core.Declaration.o
[4/5137] CXX obj/lldb/source/Breakpoint/Breakpoint.BreakpointPrecondition.o
[5/5137] CXX obj/lldb/source/Breakpoint/Breakpoint.BreakpointName.o
[6/5137] CXX obj/lldb/source/Core/Core.AddressResolverFileLine.o
[7/5137] CXX obj/lldb/source/Breakpoint/Breakpoint.BreakpointSite.o
[8/5137] CXX obj/lldb/source/Breakpoint/Breakpoint.BreakpointLocationCollection.o
[9/5137] CXX obj/lldb/source/Core/Core.DataFileCache.o
[10/5137] CXX obj/lldb/source/Breakpoint/Breakpoint.BreakpointList.o
[11/5137] CXX obj/lldb/source/Breakpoint/Breakpoint.BreakpointResolverFileLine.o
[12/5137] CXX obj/lldb/source/Core/Core.AddressRange.o
[13/5137] CXX obj/lldb/source/Commands/Commands.CommandObjectLanguage.o
[14/5137] CXX obj/lldb/source/Breakpoint/Breakpoint.BreakpointLocationList.o
[15/5137] CXX obj/lldb/source/Breakpoint/Breakpoint.BreakpointResolverFileRegex.o
[16/5137] CXX obj/lldb/source/Commands/Commands.CommandOptionsProcessAttach.o
[17/5137] CXX obj/lldb/source/Commands/Commands.CommandOptionsProcessLaunch.o
[18/5137] CXX obj/lldb/source/Breakpoint/Breakpoint.BreakpointResolverAddress.o
[19/5137] CXX obj/lldb/source/Core/Core.DebuggerEvents.o
[20/5137] CXX obj/lldb/source/Commands/Commands.CommandObjectSession.o
[21/5137] CXX obj/lldb/source/Commands/Commands.CommandObjectVersion.o
[22/5137] CXX obj/lldb/source/Commands/Commands.CommandObjectMemoryTag.o
[23/5137] CXX obj/lldb/source/Commands/Commands.CommandObjectThreadUtil.o
[24/5137] CXX obj/lldb/source/Commands/Commands.CommandObjectGUI.o
[25/5137] CXX obj/lldb/source/Commands/Commands.CommandObjectRegexCommand.o
[26/5137] CXX obj/lldb/source/Commands/Commands.CommandObjectQuit.o
[27/5137] CXX obj/lldb/source/Commands/Commands.CommandObjectLog.o
[28/5137] CXX obj/lldb/source/Commands/Commands.CommandOptionArgumentTable.o
[29/5137] CXX obj/lldb/source/Breakpoint/Breakpoint.BreakpointResolverScripted.o
[30/5137] CXX obj/lldb/source/Commands/Commands.CommandObjectMultiword.o
[31/5137] CXX obj/lldb/source/Commands/Commands.CommandObjectHelp.o
[32/5137] CXX obj/lldb/source/Commands/Commands.CommandObjectPlugin.o
[33/5137] CXX obj/lldb/source/Commands/Commands.CommandObjectStats.o
[34/5137] CXX obj/lldb/source/Commands/Commands.CommandObjectRegister.o
[35/5137] CXX obj/lldb/source/Commands/Commands.CommandObjectTrace.o
[36/5137] CXX obj/lldb/source/Commands/Commands.CommandObjectSettings.o
[37/5137] CXX obj/lldb/source/Commands/Commands.CommandObjectProtocolServer.o
[38/5137] CXX obj/lldb/source/Commands/Commands.CommandObjectScripting.o
[39/5137] CXX obj/lldb/source/Commands/Commands.CommandObjectWatchpointCommand.o
[40/5137] CXX obj/lldb/source/Breakpoint/Breakpoint.BreakpointOptions.o
[41/5137] CXX obj/lldb/source/Commands/Commands.CommandObjectExpression.o
[42/5137] CXX obj/lldb/source/Breakpoint/Breakpoint.BreakpointResolverName.o
[43/5137] CXX obj/lldb/source/Commands/Commands.CommandObjectSource.o
[44/5137] CXX obj/lldb/source/Breakpoint/Breakpoint.BreakpointLocation.o
[45/5137] CXX obj/lldb/source/Commands/Commands.CommandObjectPlatform.o
[46/5137] CXX obj/lldb/source/Commands/Commands.CommandObjectProcess.o
[47/5137] CXX obj/lldb/source/Commands/Commands.CommandObjectWatchpoint.o
[48/5137] CXX obj/lldb/source/Commands/Commands.CommandObjectFrame.o
[49/5137] CXX obj/lldb/source/Breakpoint/Breakpoint.BreakpointResolver.o
[50/5137] CXX obj/lldb/source/Breakpoint/Breakpoint.Breakpoint.o
[51/5137] CXX obj/lld/wasm/wasm.OutputSegment.o
[52/5137] CXX obj/lld/wasm/wasm.InputChunks.o
[53/5137] CXX obj/lldb/source/Commands/Commands.CommandObjectMemory.o
[54/5137] CXX obj/lld/wasm/wasm.Relocations.o
[55/5137] CXX obj/lld/wasm/wasm.MapFile.o
[56/5137] CXX obj/lldb/source/Commands/Commands.CommandObjectThread.o
[57/5137] CXX obj/lld/wasm/wasm.OutputSections.o
[58/5137] CXX obj/lld/wasm/wasm.Symbols.o
[59/5137] CXX obj/lld/wasm/wasm.LTO.o
[60/5137] CXX obj/lldb/source/Commands/Commands.CommandObjectType.o
[61/5137] CXX obj/lld/wasm/wasm.SymbolTable.o
[62/5137] CXX obj/lld/wasm/wasm.SyntheticSections.o
[63/5137] CXX obj/lld/wasm/wasm.InputFiles.o
[64/5137] CXX obj/lldb/source/Core/Core.Debugger.o
[65/5137] CXX obj/lld/wasm/wasm.Writer.o
[66/5137] CXX obj/lldb/source/Commands/Commands.CommandObjectTarget.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.