INFO:2026-03-25T19:28:09Z:root:pulling...
From github.com:llvm/llvm-project
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   2c0e63c9b699..55111e8d171d  main       -> origin/main
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HEAD is now at 55111e8d171d [flang] use fir.bitcast for FIRToMemRef scalar reinterpretation (#188328)
INFO:2026-03-25T19:28:12Z:root:syncing...
Deleted branch merge (was 2c0e63c9b699).
Switched to a new branch 'merge'
branch 'merge' set up to track 'origin/main'.
INFO:2026-03-25T19:28:12Z:root:building
ninja: Entering directory `out/gn'
[1/3020] 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'
[2/3020] CXX obj/llvm/lib/CodeGen/CodeGen.StaticDataAnnotator.o
[3/3020] CXX obj/llvm/lib/CodeGen/CodeGen.TargetOptionsImpl.o
[4/3020] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.GISelChangeObserver.o
[5/3020] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.InstructionSelector.o
[6/3020] CXX obj/llvm/lib/CodeGen/CodeGen.StackMapLivenessAnalysis.o
[7/3020] CXX obj/llvm/lib/CodeGen/CodeGen.StaticDataSplitter.o
[8/3020] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.GIMatchTableExecutor.o
[9/3020] CXX obj/llvm/lib/CodeGen/CodeGen.TargetSchedule.o
[10/3020] CXX obj/llvm/lib/CodeGen/CodeGen.TargetFrameLoweringImpl.o
[11/3020] CXX obj/llvm/lib/CodeGen/CodeGen.WasmEHPrepare.o
[12/3020] CXX obj/llvm/lib/CodeGen/CodeGen.UnreachableBlockElim.o
[13/3020] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.AddressPool.o
[14/3020] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.ARMException.o
[15/3020] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.DwarfStringPool.o
[16/3020] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.AsmPrinterDwarf.o
[17/3020] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.WasmException.o
[18/3020] CXX obj/llvm/lib/CodeGen/CodeGen.TailDuplication.o
[19/3020] CXX obj/llvm/lib/CodeGen/CodeGen.XRayInstrumentation.o
[20/3020] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.CSEInfo.o
[21/3020] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.DwarfCFIException.o
[22/3020] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.OcamlGCPrinter.o
[23/3020] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.AIXException.o
[24/3020] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.WinCFGuard.o
[25/3020] CXX obj/llvm/lib/CodeGen/CodeGen.WindowsSecureHotPatching.o
[26/3020] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.ErlangGCPrinter.o
[27/3020] CXX obj/llvm/lib/CodeGen/CodeGen.SwiftErrorValueTracking.o
[28/3020] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.EHStreamer.o
[29/3020] CXX obj/llvm/lib/CodeGen/CodeGen.VirtRegMap.o
[30/3020] CXX obj/llvm/lib/CodeGen/CodeGen.TargetRegisterInfo.o
[31/3020] CXX obj/llvm/lib/CodeGen/CodeGen.SwitchLoweringUtils.o
[32/3020] CXX obj/llvm/lib/CodeGen/CodeGen.TailDuplicator.o
[33/3020] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.InlineAsmLowering.o
[34/3020] CXX obj/llvm/lib/CodeGen/CodeGen.StackFrameLayoutAnalysisPass.o
[35/3020] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.DebugLocStream.o
[36/3020] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.AsmPrinterInlineAsm.o
[37/3020] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.DebugHandlerBase.o
[38/3020] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.PseudoProbePrinter.o
[39/3020] CXX obj/llvm/lib/CodeGen/CodeGen.StackMaps.o
[40/3020] CXX obj/llvm/lib/CodeGen/CodeGen.TargetLoweringObjectFileImpl.o
[41/3020] CXX obj/llvm/lib/CodeGen/CodeGen.VLIWMachineScheduler.o
[42/3020] CXX obj/llvm/lib/CodeGen/CodeGen.StackSlotColoring.o
[43/3020] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.DIEHash.o
[44/3020] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.DwarfExpression.o
[45/3020] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.DIE.o
[46/3020] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.InstructionSelect.o
[47/3020] CXX obj/llvm/lib/CodeGen/CodeGen.TypePromotion.o
[48/3020] CXX obj/llvm/lib/CodeGen/CodeGen.TargetPassConfig.o
[49/3020] CXX obj/llvm/lib/CodeGen/CodeGen.WinEHPrepare.o
[50/3020] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.DwarfFile.o
[51/3020] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.WinException.o
[52/3020] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.DbgEntityHistoryCalculator.o
[53/3020] CXX obj/llvm/lib/CodeGen/CodeGen.TwoAddressInstructionPass.o
[54/3020] CXX obj/llvm/lib/CodeGen/CodeGen.StackProtector.o
[55/3020] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.GISelValueTracking.o
[56/3020] CXX obj/llvm/lib/CodeGen/CodeGen.TargetLoweringBase.o
[57/3020] CXX obj/llvm/lib/CodeGen/CodeGen.WindowScheduler.o
[58/3020] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.Legalizer.o
[59/3020] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.AccelTable.o
[60/3020] CXX obj/llvm/lib/CodeGen/CodeGen.TargetInstrInfo.o
[61/3020] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.DwarfUnit.o
[62/3020] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.DwarfCompileUnit.o
[63/3020] CXX obj/llvm/lib/CodeGen/GlobalISel/GlobalISel.IRTranslator.o
[64/3020] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.CodeViewDebug.o
[65/3020] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.AsmPrinter.o
[66/3020] CXX obj/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.DwarfDebug.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.