ninja: Entering directory `out/gn'
[0/1] Regenerating ninja files
[1/3224] 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_INSTRUMENTED_WITH_ASAN= _LIBCPP_ABI_DEFINES= _LIBCPP_HARDENING_MODE_DEFAULT=_LIBCPP_HARDENING_MODE_NONE _LIBCPP_LIBC_PICOLIBC= _LIBCPP_LIBC_NEWLIB= _LIBCPP_LIBC_LLVM_LIBC= _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_HAS_THREAD_API_C11'
[2/3224] CXX obj/llvm/tools/llvm-reduce/deltas/llvm-reduce.ReduceSpecialGlobals.o
[3/3224] CXX obj/llvm/lib/FuzzMutate/FuzzMutate.OpDescriptor.o
[4/3224] CXX obj/llvm/tools/llvm-reduce/deltas/llvm-reduce.ReduceSinkDefsToUses.o
[5/3224] CXX obj/lldb/source/Core/Core.ThreadedCommunication.o
[6/3224] CXX obj/lldb/source/Breakpoint/Breakpoint.BreakpointSite.o
[7/3224] CXX obj/lldb/source/Plugins/Process/Linux/Linux.IntelPTCollector.o
[8/3224] CXX obj/lldb/source/Breakpoint/Breakpoint.BreakpointLocationCollection.o
[9/3224] CXX obj/lldb/source/Breakpoint/Breakpoint.BreakpointList.o
[10/3224] CXX obj/lldb/source/Breakpoint/Breakpoint.WatchpointList.o
[11/3224] CXX obj/lldb/source/Core/Core.AddressRange.o
[12/3224] CXX obj/lldb/source/Breakpoint/Breakpoint.BreakpointIDList.o
[13/3224] CXX obj/lldb/source/Breakpoint/Breakpoint.BreakpointLocationList.o
[14/3224] CXX obj/lldb/source/DataFormatters/DataFormatters.DumpValueObjectOptions.o
[15/3224] CXX obj/lldb/source/Breakpoint/Breakpoint.BreakpointResolverFileRegex.o
[16/3224] CXX obj/lldb/source/Breakpoint/Breakpoint.WatchpointOptions.o
[17/3224] CXX obj/lldb/source/Breakpoint/Breakpoint.BreakpointResolverFileLine.o
[18/3224] CXX obj/lldb/source/Breakpoint/Breakpoint.WatchpointAlgorithms.o
[19/3224] CXX obj/lldb/source/Commands/Commands.CommandObjectLanguage.o
[20/3224] CXX obj/lldb/source/Commands/Commands.CommandObjectMemoryTag.o
[21/3224] CXX obj/lldb/source/Interpreter/Interpreter.OptionGroupArchitecture.o
[22/3224] CXX obj/lldb/source/Interpreter/Interpreter.OptionArgParser.o
[23/3224] CXX obj/lldb/source/Breakpoint/Breakpoint.BreakpointResolverAddress.o
[24/3224] CXX obj/lldb/source/Interpreter/Interpreter.OptionGroupFormat.o
[25/3224] CXX obj/lldb/source/Breakpoint/Breakpoint.BreakpointResolverScripted.o
[26/3224] CXX obj/lldb/source/Commands/Commands.CommandObjectGUI.o
[27/3224] CXX obj/lldb/source/Plugins/ABI/X86/X86.ABISysV_x86_64.o
[28/3224] CXX obj/lldb/source/Breakpoint/Breakpoint.Watchpoint.o
[29/3224] CXX obj/lldb/source/Commands/Commands.CommandObjectRegexCommand.o
[30/3224] CXX obj/lldb/source/Commands/Commands.CommandObjectQuit.o
[31/3224] CXX obj/lldb/source/Commands/Commands.CommandObjectLog.o
[32/3224] CXX obj/lldb/source/Commands/Commands.CommandObjectApropos.o
[33/3224] CXX obj/lldb/source/Commands/Commands.CommandObjectHelp.o
[34/3224] CXX obj/lldb/source/Interpreter/Interpreter.OptionGroupPlatform.o
[35/3224] CXX obj/lldb/source/Commands/Commands.CommandObjectSession.o
[36/3224] CXX obj/lldb/source/DataFormatters/DataFormatters.DataVisualization.o
[37/3224] CXX obj/lldb/source/Commands/Commands.CommandObjectBreakpointCommand.o
[38/3224] CXX obj/lldb/source/Commands/Commands.CommandObjectRegister.o
[39/3224] CXX obj/llvm/tools/llvm-reduce/deltas/llvm-reduce.RunIRPasses.o
[40/3224] CXX obj/lldb/source/Commands/Commands.CommandObjectSettings.o
[41/3224] CXX obj/lldb/source/Commands/Commands.CommandObjectMultiword.o
[42/3224] CXX obj/lldb/source/Commands/Commands.CommandObjectProtocolServer.o
[43/3224] CXX obj/lldb/source/Commands/Commands.CommandObjectPlugin.o
[44/3224] CXX obj/lldb/source/Commands/Commands.CommandObjectScripting.o
[45/3224] CXX obj/lldb/source/Breakpoint/Breakpoint.BreakpointOptions.o
[46/3224] CXX obj/lldb/source/Plugins/ABI/X86/X86.ABIWindows_x86_64.o
[47/3224] CXX obj/lldb/source/Commands/Commands.CommandObjectDisassemble.o
[48/3224] CXX obj/lldb/source/Breakpoint/Breakpoint.BreakpointLocation.o
[49/3224] CXX obj/lldb/source/Symbol/Symbol.DWARFCallFrameInfo.o
[50/3224] CXX obj/lldb/source/Core/Core.Address.o
[51/3224] CXX obj/lldb/source/Breakpoint/Breakpoint.BreakpointResolverName.o
[52/3224] CXX obj/lldb/source/Commands/Commands.CommandObjectExpression.o
[53/3224] CXX obj/lldb/source/Commands/Commands.CommandObjectSource.o
[54/3224] CXX obj/lldb/source/Breakpoint/Breakpoint.BreakpointResolver.o
[55/3224] CXX obj/lldb/source/Symbol/Symbol.CompilerType.o
[56/3224] CXX obj/lldb/source/Commands/Commands.CommandObjectFrame.o
[57/3224] CXX obj/lldb/source/Commands/Commands.CommandObjectMemory.o
[58/3224] CXX obj/lldb/source/Commands/Commands.CommandObjectPlatform.o
[59/3224] CXX obj/lldb/source/Commands/Commands.CommandCompletions.o
[60/3224] CXX obj/lldb/source/Commands/Commands.CommandObjectCommands.o
[61/3224] CXX obj/lldb/source/Breakpoint/Breakpoint.Breakpoint.o
[62/3224] CXX obj/lldb/source/Commands/Commands.CommandObjectProcess.o
[63/3224] CXX obj/lldb/source/Commands/Commands.CommandObjectBreakpoint.o
[64/3224] CXX obj/lldb/source/Commands/Commands.CommandObjectDWIMPrint.o
[65/3224] CXX obj/lldb/source/Plugins/DynamicLoader/MacOSX-DYLD/MacOSX-DYLD.DynamicLoaderMacOS.o
[66/3224] CXX obj/lldb/source/Plugins/ExpressionParser/Clang/Clang.ASTStructExtractor.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.