INFO:2026-01-15T20:12:22Z:root:pulling...
From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   f94afdd0b71f..9b6bf8f91c47  main       -> origin/main
Switched to branch 'main'
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HEAD is now at 9b6bf8f91c47 [ROCDL] added: rsq to rocdl.math; fixes to global/flat prefetch (#176167)
INFO:2026-01-15T20:12:25Z:root:syncing...
Deleted branch merge (was f94afdd0b71f).
Switched to a new branch 'merge'
branch 'merge' set up to track 'origin/main'.
INFO:2026-01-15T20:12:25Z:root:building
ninja: Entering directory `out/gn'
[1/5072] 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'
[2/5072] CXX obj/lldb/source/Initialization/Initialization.SystemInitializer.o
[3/5072] CXX obj/lldb/source/Core/Core.Opcode.o
[4/5072] CXX obj/lldb/source/Core/Core.DumpRegisterInfo.o
[5/5072] CXX obj/lldb/source/DataFormatters/DataFormatters.FormatCache.o
[6/5072] CXX obj/lldb/source/Initialization/Initialization.SystemLifetimeManager.o
[7/5072] CXX obj/lldb/source/Core/Core.SourceLocationSpec.o
[8/5072] CXX obj/lldb/source/Expression/Expression.DiagnosticManager.o
[9/5072] CXX obj/lldb/source/Interpreter/Interpreter.OptionGroupUUID.o
[10/5072] CXX obj/lldb/source/Interpreter/Interpreter.OptionGroupMemoryTag.o
[11/5072] CXX obj/lldb/source/Interpreter/Interpreter.OptionGroupUInt64.o
[12/5072] CXX obj/lldb/source/Interpreter/Interpreter.OptionGroupString.o
[13/5072] CXX obj/lldb/source/Interpreter/Interpreter.OptionGroupOutputFile.o
[14/5072] CXX obj/lldb/source/Core/Core.UserSettingsController.o
[15/5072] CXX obj/lldb/source/Core/Core.Communication.o
[16/5072] CXX obj/lldb/source/Interpreter/Interpreter.OptionGroupPythonClassWithDict.o
[17/5072] CXX obj/lldb/source/Interpreter/Interpreter.OptionGroupFile.o
[18/5072] CXX obj/lldb/source/Interpreter/Interpreter.CommandReturnObject.o
[19/5072] CXX obj/lldb/source/Core/Core.FileLineResolver.o
[20/5072] CXX obj/lldb/source/Core/Core.ProtocolServer.o
[21/5072] CXX obj/lldb/source/Core/Core.ThreadedCommunication.o
[22/5072] CXX obj/lldb/source/Expression/Expression.DWARFExpressionList.o
[23/5072] CXX obj/lldb/source/Expression/Expression.Expression.o
[24/5072] CXX obj/lldb/source/Core/Core.StreamAsynchronousIO.o
[25/5072] CXX obj/lldb/source/Core/Core.Progress.o
[26/5072] CXX obj/lldb/source/Core/Core.RichManglingContext.o
[27/5072] CXX obj/lldb/source/DataFormatters/DataFormatters.FormatClasses.o
[28/5072] CXX obj/lldb/source/Core/Core.Value.o
[29/5072] CXX obj/lldb/source/Interpreter/Interpreter.OptionGroupFormat.o
[30/5072] CXX obj/lldb/source/Interpreter/Interpreter.CommandOptionValidators.o
[31/5072] CXX obj/lldb/source/Core/Core.DynamicLoader.o
[32/5072] CXX obj/lldb/source/Core/Core.Section.o
[33/5072] CXX obj/lldb/source/DataFormatters/DataFormatters.DumpValueObjectOptions.o
[34/5072] CXX obj/lldb/source/Interpreter/Interpreter.OptionGroupPlatform.o
[35/5072] CXX obj/lldb/source/Core/Core.DumpRegisterValue.o
[36/5072] CXX obj/lldb/source/DataFormatters/DataFormatters.DataVisualization.o
[37/5072] CXX obj/lldb/source/DataFormatters/DataFormatters.CXXFunctionPointer.o
[38/5072] CXX obj/lldb/source/Core/Core.EmulateInstruction.o
[39/5072] CXX obj/lldb/source/Interpreter/Interpreter.OptionGroupValueObjectDisplay.o
[40/5072] CXX obj/lldb/source/DataFormatters/DataFormatters.TypeCategoryMap.o
[41/5072] CXX obj/lldb/source/Core/Core.Statusline.o
[42/5072] CXX obj/lldb/source/DataFormatters/DataFormatters.StringPrinter.o
[43/5072] CXX obj/lldb/source/Core/Core.Highlighter.o
[44/5072] CXX obj/lldb/source/Core/Core.SearchFilter.o
[45/5072] CXX obj/lldb/source/Core/Core.Address.o
[46/5072] CXX obj/lldb/source/Core/Core.DumpDataExtractor.o
[47/5072] CXX obj/lldb/source/Core/Core.Mangled.o
[48/5072] CXX obj/lldb/source/Core/Core.IOHandlerCursesGUI.o
[49/5072] CXX obj/lldb/source/DataFormatters/DataFormatters.VectorType.o
[50/5072] CXX obj/lldb/source/Interpreter/Interpreter.CommandObject.o
[51/5072] CXX obj/lldb/source/Core/Core.Telemetry.o
[52/5072] CXX obj/lldb/source/Expression/Expression.ExpressionParser.o
[53/5072] CXX obj/lldb/source/Core/Core.IOHandler.o
[54/5072] CXX obj/lldb/source/Interpreter/Interpreter.OptionGroupVariable.o
[55/5072] CXX obj/lldb/source/DataFormatters/DataFormatters.TypeSynthetic.o
[56/5072] CXX obj/lldb/source/DataFormatters/DataFormatters.TypeSummary.o
[57/5072] CXX obj/lldb/source/Core/Core.SourceManager.o
[58/5072] CXX obj/lldb/source/Interpreter/Interpreter.CommandAlias.o
[59/5072] CXX obj/lldb/source/DataFormatters/DataFormatters.TypeFormat.o
[60/5072] CXX obj/lldb/source/Core/Core.Disassembler.o
[61/5072] CXX obj/lldb/source/DataFormatters/DataFormatters.ValueObjectPrinter.o
[62/5072] CXX obj/lldb/source/DataFormatters/DataFormatters.TypeCategory.o
[63/5072] CXX obj/lldb/source/Core/Core.ModuleList.o
[64/5072] CXX obj/lldb/source/Core/Core.Module.o
[65/5072] CXX obj/lldb/source/Core/Core.FormatEntity.o
[66/5072] CXX obj/lldb/source/Core/Core.PluginManager.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.