INFO:2026-03-25T18:59:35Z:root:pulling...
From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   f0604af7ceb6..c1251ad58b73  main       -> origin/main
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HEAD is now at c1251ad58b73 [AMDGPU][True16]  Generate correct reg size for reg_sequence16 in wmma src mod select (#187629)
INFO:2026-03-25T18:59:38Z:root:syncing...
Deleted branch merge (was f0604af7ceb6).
Switched to a new branch 'merge'
branch 'merge' set up to track 'origin/main'.
INFO:2026-03-25T18:59:39Z:root:building
ninja: Entering directory `out/gn'
[1/3215] 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'
[2/3215] CXX obj/llvm/lib/CodeGen/CodeGen.IntrinsicLowering.o
[3/3215] CXX obj/llvm/lib/CodeGen/CodeGen.GCEmptyBasicBlocks.o
[4/3215] CXX obj/llvm/lib/CodeGen/CodeGen.FuncletLayout.o
[5/3215] CXX obj/llvm/lib/CodeGen/LiveDebugValues/CodeGen.LiveDebugValues.o
[6/3215] CXX obj/llvm/lib/CodeGen/CodeGen.LazyMachineBlockFrequencyInfo.o
[7/3215] CXX obj/llvm/lib/CodeGen/CodeGen.EdgeBundles.o
[8/3215] CXX obj/llvm/lib/CodeGen/CodeGen.IndirectBrExpandPass.o
[9/3215] CXX obj/llvm/lib/CodeGen/CodeGen.InsertCodePrefetch.o
[10/3215] CXX obj/llvm/lib/CodeGen/CodeGen.DeadMachineInstructionElim.o
[11/3215] CXX obj/llvm/lib/CodeGen/CodeGen.DetectDeadLanes.o
[12/3215] CXX obj/llvm/lib/CodeGen/CodeGen.FEntryInserter.o
[13/3215] CXX obj/llvm/lib/CodeGen/CodeGen.EHContGuardTargets.o
[14/3215] CXX obj/llvm/lib/CodeGen/CodeGen.InterferenceCache.o
[15/3215] CXX obj/llvm/lib/CodeGen/CodeGen.DroppedVariableStatsMIR.o
[16/3215] CXX obj/llvm/lib/CodeGen/CodeGen.CFGuardLongjmp.o
[17/3215] CXX obj/llvm/lib/CodeGen/CodeGen.InlineAsmPrepare.o
[18/3215] CXX obj/llvm/lib/CodeGen/CodeGen.ExpandReductions.o
[19/3215] CXX obj/llvm/lib/CodeGen/CodeGen.JMCInstrumenter.o
[20/3215] CXX obj/llvm/lib/CodeGen/CodeGen.ExpandPostRAPseudos.o
[21/3215] CXX obj/llvm/lib/CodeGen/CodeGen.BreakFalseDeps.o
[22/3215] CXX obj/llvm/lib/CodeGen/CodeGen.ExecutionDomainFix.o
[23/3215] CXX obj/llvm/lib/CodeGen/CodeGen.BasicBlockSectionsProfileReader.o
[24/3215] CXX obj/llvm/lib/CodeGen/CodeGen.BasicBlockPathCloning.o
[25/3215] CXX obj/llvm/lib/CodeGen/CodeGen.InitUndef.o
[26/3215] CXX obj/llvm/lib/CodeGen/CodeGen.CFIFixup.o
[27/3215] CXX obj/llvm/lib/CodeGen/CodeGen.CodeGenCommonISel.o
[28/3215] CXX obj/llvm/lib/CodeGen/CodeGen.BranchRelaxation.o
[29/3215] CXX obj/llvm/lib/CodeGen/CodeGen.FaultMaps.o
[30/3215] CXX obj/llvm/lib/CodeGen/CodeGen.LatencyPriorityQueue.o
[31/3215] CXX obj/llvm/lib/CodeGen/CodeGen.ImplicitNullChecks.o
[32/3215] CXX obj/llvm/lib/CodeGen/CodeGen.BasicBlockSections.o
[33/3215] CXX obj/llvm/lib/CodeGen/CodeGen.LexicalScopes.o
[34/3215] CXX obj/llvm/lib/CodeGen/CodeGen.FinalizeISel.o
[35/3215] CXX obj/llvm/lib/CodeGen/CodeGen.CalcSpillWeights.o
[36/3215] CXX obj/llvm/lib/CodeGen/CodeGen.ExpandVectorPredication.o
[37/3215] CXX obj/llvm/lib/CodeGen/CodeGen.LiveInterval.o
[38/3215] CXX obj/llvm/lib/CodeGen/CodeGen.CallingConvLower.o
[39/3215] CXX obj/llvm/lib/CodeGen/CodeGen.HardwareLoops.o
[40/3215] CXX obj/llvm/lib/CodeGen/CodeGen.CriticalAntiDepBreaker.o
[41/3215] CXX obj/llvm/lib/CodeGen/CodeGen.ExpandMemCmp.o
[42/3215] CXX obj/llvm/lib/CodeGen/CodeGen.CommandFlags.o
[43/3215] CXX obj/llvm/lib/CodeGen/CodeGen.CFIInstrInserter.o
[44/3215] CXX obj/llvm/lib/CodeGen/CodeGen.EarlyIfConversion.o
[45/3215] CXX obj/llvm/lib/CodeGen/CodeGen.DFAPacketizer.o
[46/3215] CXX obj/llvm/lib/CodeGen/CodeGen.KCFI.o
[47/3215] CXX obj/llvm/lib/CodeGen/CodeGen.DwarfEHPrepare.o
[48/3215] CXX obj/llvm/lib/CodeGen/CodeGen.GlobalMerge.o
[49/3215] CXX obj/llvm/lib/CodeGen/CodeGen.GCRootLowering.o
[50/3215] CXX obj/llvm/lib/CodeGen/CodeGen.FixupStatepointCallerSaved.o
[51/3215] CXX obj/llvm/lib/CodeGen/CodeGen.GlobalMergeFunctions.o
[52/3215] CXX obj/llvm/lib/CodeGen/CodeGen.ExpandIRInsts.o
[53/3215] CXX obj/llvm/lib/CodeGen/CodeGen.BranchFolding.o
[54/3215] CXX obj/llvm/lib/CodeGen/CodeGen.IfConversion.o
[55/3215] CXX obj/llvm/lib/CodeGen/CodeGen.InterleavedLoadCombinePass.o
[56/3215] CXX obj/llvm/lib/CodeGen/CodeGen.InterleavedAccessPass.o
[57/3215] CXX obj/llvm/lib/CodeGen/CodeGen.InlineSpiller.o
[58/3215] CXX obj/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.StatepointLowering.o
[59/3215] CXX obj/llvm/lib/CodeGen/CodeGen.CodeGenTargetMachineImpl.o
[60/3215] CXX obj/llvm/lib/CodeGen/CodeGen.BasicTargetTransformInfo.o
[61/3215] CXX obj/llvm/lib/CodeGen/CodeGen.ComplexDeinterleavingPass.o
[62/3215] CXX obj/llvm/lib/CodeGen/CodeGen.LiveDebugVariables.o
[63/3215] CXX obj/llvm/lib/CodeGen/LiveDebugValues/CodeGen.VarLocBasedImpl.o
[64/3215] CXX obj/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.TargetLowering.o
[65/3215] CXX obj/llvm/lib/CodeGen/LiveDebugValues/CodeGen.InstrRefBasedImpl.o
[66/3215] CXX obj/llvm/lib/CodeGen/CodeGen.CodeGenPrepare.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.