INFO:2026-03-25T21:42:06Z:root:pulling...
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   9a8b8153be52..acef4cc2d7ae  main       -> origin/main
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HEAD is now at acef4cc2d7ae [Support] [Windows] Silence warnings about anonymous unions (#188534)
INFO:2026-03-25T21:42:09Z:root:syncing...
Deleted branch merge (was 12e0fb5500bb).
Switched to a new branch 'merge'
branch 'merge' set up to track 'origin/main'.
[merge 27a38616ab74] [gn build] Port 28318d5db86f
 1 file changed, 1 insertion(+)
[gn build] Port 28318d5db86f -- https://github.com/llvm/llvm-project/commit/28318d5db86f
INFO:2026-03-25T21:42:10Z:root:building
ninja: Entering directory `out/gn'
[0/1] Regenerating ninja files
[1/1395] 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'
[2/1395] CXX obj/llvm/lib/Target/X86/LLVMX86CodeGen.X86ShuffleDecodeConstantPool.o
[3/1395] CXX obj/llvm/lib/Transforms/IPO/IPO.ConstantMerge.o
[4/1395] CXX obj/llvm/lib/Transforms/IPO/IPO.Annotation2Metadata.o
[5/1395] CXX obj/llvm/lib/Transforms/IPO/IPO.FatLTOCleanup.o
[6/1395] CXX obj/llvm/lib/Transforms/IPO/IPO.CrossDSOCFI.o
[7/1395] CXX obj/llvm/lib/Transforms/CFGuard/CFGuard.CFGuard.o
[8/1395] CXX obj/llvm/lib/Transforms/IPO/IPO.BlockExtractor.o
[9/1395] CXX obj/llvm/lib/Transforms/AggressiveInstCombine/AggressiveInstCombine.TruncInstCombine.o
[10/1395] CXX obj/llvm/lib/Transforms/Coroutines/Coroutines.SuspendCrossingInfo.o
[11/1395] CXX obj/llvm/lib/Transforms/Coroutines/Coroutines.CoroConditionalWrapper.o
[12/1395] CXX obj/llvm/lib/Transforms/IPO/IPO.ElimAvailExtern.o
[13/1395] CXX obj/llvm/lib/Transforms/IPO/IPO.CalledValuePropagation.o
[14/1395] CXX obj/llvm/lib/Target/X86/MCTargetDesc/MCTargetDesc.X86AsmBackend.o
[15/1395] CXX obj/llvm/lib/Transforms/Coroutines/Coroutines.CoroEarly.o
[16/1395] CXX obj/llvm/lib/Transforms/HipStdPar/HipStdPar.HipStdPar.o
[17/1395] CXX obj/llvm/lib/Transforms/Instrumentation/Instrumentation.BoundsChecking.o
[18/1395] CXX obj/llvm/lib/Target/X86/LLVMX86CodeGen.X86WinEHUnwindV2.o
[19/1395] CXX obj/llvm/lib/Transforms/Coroutines/Coroutines.MaterializationUtils.o
[20/1395] CXX obj/llvm/lib/Transforms/Coroutines/Coroutines.Coroutines.o
[21/1395] CXX obj/llvm/lib/Transforms/IPO/IPO.AlwaysInliner.o
[22/1395] CXX obj/llvm/lib/Transforms/IPO/IPO.GlobalDCE.o
[23/1395] CXX obj/llvm/lib/Transforms/Instrumentation/Instrumentation.CGProfile.o
[24/1395] CXX obj/llvm/lib/Transforms/Coroutines/Coroutines.CoroElide.o
[25/1395] CXX obj/llvm/lib/Transforms/IPO/IPO.ExpandVariadics.o
[26/1395] CXX obj/llvm/lib/Transforms/Coroutines/Coroutines.SpillUtils.o
[27/1395] CXX obj/llvm/lib/Target/X86/LLVMX86CodeGen.X86PadShortFunction.o
[28/1395] CXX obj/llvm/lib/Target/X86/LLVMX86CodeGen.X86VZeroUpper.o
[29/1395] CXX obj/llvm/lib/Transforms/InstCombine/InstCombine.InstCombineNegator.o
[30/1395] CXX obj/llvm/lib/Transforms/IPO/IPO.DeadArgumentElimination.o
[31/1395] CXX obj/llvm/lib/Transforms/Instrumentation/Instrumentation.AllocToken.o
[32/1395] CXX obj/llvm/lib/Target/X86/LLVMX86CodeGen.X86SelectionDAGInfo.o
[33/1395] CXX obj/llvm/lib/Target/X86/LLVMX86CodeGen.X86SuppressAPXForReloc.o
[34/1395] CXX obj/llvm/lib/Target/X86/LLVMX86CodeGen.X86SpeculativeExecutionSideEffectSuppression.o
[35/1395] CXX obj/llvm/lib/Transforms/InstCombine/InstCombine.InstCombineShifts.o
[36/1395] CXX obj/llvm/lib/Target/X86/LLVMX86CodeGen.X86WinEHState.o
[37/1395] CXX obj/llvm/lib/Target/X86/LLVMX86CodeGen.X86ReturnThunks.o
[38/1395] CXX obj/llvm/lib/Transforms/InstCombine/InstCombine.InstCombinePHI.o
[39/1395] CXX obj/llvm/lib/Target/X86/LLVMX86CodeGen.X86TileConfig.o
[40/1395] CXX obj/llvm/lib/Transforms/IPO/IPO.FunctionSpecialization.o
[41/1395] CXX obj/llvm/lib/Target/X86/LLVMX86CodeGen.X86PartialReduction.o
[42/1395] CXX obj/llvm/lib/Target/X86/LLVMX86CodeGen.X86Subtarget.o
[43/1395] CXX obj/llvm/lib/Transforms/InstCombine/InstCombine.InstCombineMulDivRem.o
[44/1395] CXX obj/llvm/unittests/CodeGen/GlobalISel/GlobalISelTests.GISelAliasTest.o
[45/1395] CXX obj/llvm/lib/Transforms/InstCombine/InstCombine.InstCombineSimplifyDemanded.o
[46/1395] CXX obj/llvm/lib/Target/X86/LLVMX86CodeGen.X86OptimizeLEAs.o
[47/1395] CXX obj/llvm/lib/Transforms/IPO/IPO.ArgumentPromotion.o
[48/1395] CXX obj/llvm/lib/Transforms/Coroutines/Coroutines.CoroFrame.o
[49/1395] CXX obj/llvm/lib/Target/X86/LLVMX86CodeGen.X86RegisterInfo.o
[50/1395] CXX obj/llvm/lib/Target/X86/LLVMX86CodeGen.X86PreTileConfig.o
[51/1395] CXX obj/llvm/lib/Transforms/InstCombine/InstCombine.InstCombineVectorOps.o
[52/1395] CXX obj/llvm/lib/Transforms/AggressiveInstCombine/AggressiveInstCombine.AggressiveInstCombine.o
[53/1395] CXX obj/llvm/lib/Transforms/Instrumentation/Instrumentation.GCOVProfiling.o
[54/1395] CXX obj/llvm/lib/Target/X86/LLVMX86CodeGen.X86SpeculativeLoadHardening.o
[55/1395] CXX obj/llvm/lib/Transforms/Coroutines/Coroutines.CoroSplit.o
[56/1395] CXX obj/llvm/lib/Transforms/Instrumentation/Instrumentation.DataFlowSanitizer.o
[57/1395] CXX obj/llvm/lib/Transforms/IPO/IPO.GlobalOpt.o
[58/1395] CXX obj/llvm/lib/Transforms/InstCombine/InstCombine.InstCombineSelect.o
[59/1395] CXX obj/llvm/lib/Transforms/Instrumentation/Instrumentation.ControlHeightReduction.o
[60/1395] CXX obj/llvm/lib/Transforms/Instrumentation/Instrumentation.AddressSanitizer.o
[61/1395] CXX obj/llvm/lib/Transforms/IPO/IPO.FunctionAttrs.o
[62/1395] CXX obj/llvm/lib/Target/X86/LLVMX86CodeGen.X86TargetMachine.o
[63/1395] CXX obj/llvm/lib/Target/X86/LLVMX86CodeGen.X86TargetTransformInfo.o
[64/1395] CXX obj/llvm/lib/Transforms/InstCombine/InstCombine.InstructionCombining.o
[65/1395] CXX obj/llvm/lib/Transforms/IPO/IPO.Attributor.o
[66/1395] CXX obj/llvm/lib/Transforms/IPO/IPO.AttributorAttributes.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.