INFO:2026-01-15T17:42:16Z:root:pulling...
From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   08de4fd0d4c3..eb82ddc53a21  main       -> origin/main
Switched to branch 'main'
Your branch is behind 'origin/main' by 1 commit, and can be fast-forwarded.
  (use "git pull" to update your local branch)
HEAD is now at eb82ddc53a21 [clang][-Wunsafe-buffer-usage] Ignore consteval functions (#171503)
INFO:2026-01-15T17:42:19Z:root:syncing...
Deleted branch merge (was 08de4fd0d4c3).
Switched to a new branch 'merge'
branch 'merge' set up to track 'origin/main'.
INFO:2026-01-15T17:42:20Z:root:building
ninja: Entering directory `out/gn'
[1/7469] 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'
[2/7469] CXX obj/llvm/lib/DebugInfo/PDB/Native/PDB.RawError.o
[3/7469] CXX obj/llvm/lib/DebugInfo/Symbolize/Symbolize.Markup.o
[4/7469] CXX obj/llvm/lib/ExecutionEngine/Orc/TargetProcess/TargetProcess.RegisterEHFrames.o
[5/7469] CXX obj/llvm/lib/DebugInfo/PDB/PDB.PDBInterfaceAnchors.o
[6/7469] CXX obj/llvm/lib/DebugInfo/PDB/PDB.PDBSymbolFuncDebugStart.o
[7/7469] CXX obj/llvm/lib/DebugInfo/PDB/PDB.PDBSymbolTypeCustom.o
[8/7469] CXX obj/llvm/lib/DebugInfo/PDB/PDB.PDBSymbolFuncDebugEnd.o
[9/7469] CXX obj/llvm/lib/DebugInfo/PDB/PDB.PDBSymbolPublicSymbol.o
[10/7469] CXX obj/llvm/lib/DebugInfo/PDB/PDB.PDBSymbolTypeTypedef.o
[11/7469] CXX obj/llvm/lib/DebugInfo/PDB/PDB.PDBSymbolUnknown.o
[12/7469] CXX obj/llvm/lib/DebugInfo/PDB/PDB.PDBSymbolTypeBaseClass.o
[13/7469] CXX obj/llvm/lib/DebugInfo/PDB/PDB.PDBSymbolUsingNamespace.o
[14/7469] CXX obj/llvm/lib/DebugInfo/PDB/PDB.PDBSymbolAnnotation.o
[15/7469] CXX obj/llvm/lib/DebugInfo/PDB/PDB.PDBSymDumper.o
[16/7469] CXX obj/llvm/lib/DebugInfo/PDB/PDB.PDBSymbolCompilandDetails.o
[17/7469] CXX obj/llvm/lib/DebugInfo/PDB/PDB.PDBSymbolLabel.o
[18/7469] CXX obj/llvm/lib/DebugInfo/PDB/PDB.PDBSymbolTypeDimension.o
[19/7469] CXX obj/llvm/lib/DebugInfo/PDB/PDB.PDBSymbolTypeManaged.o
[20/7469] CXX obj/llvm/lib/DebugInfo/PDB/PDB.PDBSymbolTypeFunctionArg.o
[21/7469] CXX obj/llvm/lib/DebugInfo/PDB/PDB.PDBSymbolTypeArray.o
[22/7469] CXX obj/llvm/lib/DebugInfo/PDB/PDB.PDBSymbolCustom.o
[23/7469] CXX obj/llvm/lib/DebugInfo/PDB/PDB.PDBSymbolTypeEnum.o
[24/7469] CXX obj/llvm/lib/DebugInfo/PDB/PDB.PDBSymbolBlock.o
[25/7469] CXX obj/llvm/lib/DebugInfo/PDB/PDB.PDBSymbolTypeVTableShape.o
[26/7469] CXX obj/llvm/lib/DebugInfo/PDB/PDB.PDBSymbolTypePointer.o
[27/7469] CXX obj/llvm/lib/DebugInfo/PDB/PDB.PDBSymbolTypeVTable.o
[28/7469] CXX obj/llvm/lib/DebugInfo/PDB/PDB.PDBSymbolTypeBuiltin.o
[29/7469] CXX obj/llvm/lib/DebugInfo/PDB/PDB.PDBSymbolTypeUDT.o
[30/7469] CXX obj/llvm/lib/DebugInfo/PDB/PDB.PDBSymbolCompilandEnv.o
[31/7469] CXX obj/llvm/lib/DebugInfo/PDB/Native/PDB.SymbolStream.o
[32/7469] CXX obj/llvm/lib/DebugInfo/PDB/PDB.PDBSymbolData.o
[33/7469] CXX obj/llvm/lib/DebugInfo/PDB/PDB.PDBSymbolExe.o
[34/7469] CXX obj/llvm/lib/DebugInfo/PDB/Native/PDB.TpiHashing.o
[35/7469] CXX obj/llvm/lib/DebugInfo/PDB/PDB.PDBSymbolTypeFunctionSig.o
[36/7469] CXX obj/llvm/lib/DebugInfo/PDB/Native/PDB.PDBStringTableBuilder.o
[37/7469] CXX obj/llvm/lib/DebugInfo/PDB/PDB.PDB.o
[38/7469] CXX obj/llvm/lib/DebugInfo/PDB/Native/PDB.PDBStringTable.o
[39/7469] CXX obj/llvm/lib/DebugInfo/PDB/PDB.PDBSymbol.o
[40/7469] CXX obj/llvm/lib/DebugInfo/PDB/PDB.PDBSymbolCompiland.o
[41/7469] CXX obj/llvm/lib/DebugInfo/PDB/PDB.PDBSymbolTypeFriend.o
[42/7469] CXX obj/llvm/lib/DebugInfo/PDB/PDB.PDBSymbolThunk.o
[43/7469] CXX obj/llvm/lib/DebugInfo/PDB/Native/PDB.NativeTypePointer.o
[44/7469] CXX obj/llvm/lib/DebugInfo/PDB/Native/PDB.NativeTypeTypedef.o
[45/7469] CXX obj/llvm/lib/DebugInfo/PDB/Native/PDB.NativeTypeVTShape.o
[46/7469] CXX obj/llvm/lib/DebugInfo/PDB/Native/PDB.NativeTypeUDT.o
[47/7469] CXX obj/llvm/lib/DebugInfo/PDB/PDB.PDBExtras.o
[48/7469] CXX obj/llvm/lib/DebugInfo/PDB/Native/PDB.TpiStreamBuilder.o
[49/7469] CXX obj/llvm/lib/DebugInfo/PDB/PDB.PDBSymbolFunc.o
[50/7469] CXX obj/llvm/lib/DebugInfo/PDB/Native/PDB.NativeTypeFunctionSig.o
[51/7469] CXX obj/llvm/lib/DebugInfo/PDB/PDB.PDBContext.o
[52/7469] CXX obj/llvm/lib/DebugInfo/PDB/Native/PDB.TpiStream.o
[53/7469] CXX obj/llvm/lib/DebugInfo/Symbolize/Symbolize.DIPrinter.o
[54/7469] CXX obj/llvm/lib/DebugInfo/PDB/Native/PDB.PublicsStream.o
[55/7469] CXX obj/llvm/lib/DebugInfo/PDB/Native/PDB.NativeTypeEnum.o
[56/7469] CXX obj/llvm/lib/DebugInfo/PDB/PDB.UDTLayout.o
[57/7469] CXX obj/llvm/lib/DebugInfo/PDB/Native/PDB.PDBFile.o
[58/7469] CXX obj/llvm/lib/ExecutionEngine/Orc/TargetProcess/TargetProcess.SimpleExecutorDylibManager.o
[59/7469] CXX obj/llvm/lib/ExecutionEngine/Orc/TargetProcess/TargetProcess.SimpleExecutorMemoryManager.o
[60/7469] CXX obj/llvm/lib/DebugInfo/PDB/Native/PDB.PDBFileBuilder.o
[61/7469] CXX obj/llvm/lib/ExecutionEngine/Orc/TargetProcess/TargetProcess.OrcRTBootstrap.o
[62/7469] CXX obj/llvm/lib/DebugInfo/Symbolize/Symbolize.MarkupFilter.o
[63/7469] CXX obj/llvm/lib/DebugInfo/Symbolize/Symbolize.SymbolizableObjectFile.o
[64/7469] CXX obj/llvm/lib/DebugInfo/PDB/Native/PDB.SymbolCache.o
[65/7469] CXX obj/llvm/lib/ExecutionEngine/Orc/TargetProcess/TargetProcess.LibraryScanner.o
[66/7469] CXX obj/llvm/lib/DebugInfo/Symbolize/Symbolize.Symbolize.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.