INFO:2026-03-25T20:03:50Z:root:pulling...
From github.com:llvm/llvm-project
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   ebd62d652c4a..b491bd982676  main       -> origin/main
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HEAD is now at b491bd982676 [DSE] Fix missed dependency update in #188253 (#188573)
INFO:2026-03-25T20:03:53Z:root:syncing...
Deleted branch merge (was ebd62d652c4a).
Switched to a new branch 'merge'
branch 'merge' set up to track 'origin/main'.
INFO:2026-03-25T20:03:53Z:root:building
ninja: Entering directory `out/gn'
[1/2608] AR lib/libLLVMFrontendDriver.a
[2/2608] AR lib/libLLVMFrontendAtomic.a
[3/2608] AR lib/libLLVMSandboxIR.a
[4/2608] AR lib/libLLVMTarget.a
[5/2608] AR lib/libLLVMExecutionEngine.a
[6/2608] ACTION //llvm/tools/llvm-objcopy:llvm-strip(//llvm/utils/gn/build/toolchain:unix)
[7/2608] 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'
[8/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.AMDGPUSelectionDAGInfo.o
[9/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.R600OpenCLImageTypeLoweringPass.o
[10/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.AMDGPURewriteUndefForPHI.o
[11/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.GCNILPSched.o
[12/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.GCNMinRegStrategy.o
[13/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.R600ClauseMergePass.o
[14/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.R600MachineFunctionInfo.o
[15/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.R600ExpandSpecialInstrs.o
[16/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.R600RegisterInfo.o
[17/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.AMDGPUUnifyDivergentExitNodes.o
[18/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.R600Subtarget.o
[19/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.AMDGPURewriteOutArguments.o
[20/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.R600EmitClauseMarkers.o
[21/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.GCNRewritePartialRegUses.o
[22/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.R600Packetizer.o
[23/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.R600MachineScheduler.o
[24/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.R600FrameLowering.o
[25/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.SIFixVGPRCopies.o
[26/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.R600OptimizeVectorRegisters.o
[27/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.AMDGPURegBankSelect.o
[28/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.AMDGPURemoveIncompatibleFunctions.o
[29/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.R600ControlFlowFinalizer.o
[30/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.AMDGPUSetWavePriority.o
[31/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.AMDGPUWaitSGPRHazards.o
[32/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.R600AsmPrinter.o
[33/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.SIInsertHardClauses.o
[34/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.R600MachineCFGStructurizer.o
[35/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.GCNVOPDUtils.o
[36/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.GCNCreateVOPD.o
[37/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.GCNDPPCombine.o
[38/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.R600MCInstLower.o
[39/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.GCNPreRAOptimizations.o
[40/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.AMDGPUReserveWWMRegs.o
[41/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.AMDGPUUniformIntrinsicCombine.o
[42/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.SIAnnotateControlFlow.o
[43/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.R600InstrInfo.o
[44/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.GCNPreRALongBranchReg.o
[45/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.AMDGPURegBankLegalizeHelper.o
[46/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.GCNNSAReassign.o
[47/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.SILateBranchLowering.o
[48/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.AMDGPUResourceUsageAnalysis.o
[49/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.SIFormMemoryClauses.o
[50/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.AMDGPUSubtarget.o
[51/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.GCNIterativeScheduler.o
[52/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.AMDGPURewriteAGPRCopyMFMA.o
[53/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.SIFixSGPRCopies.o
[54/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.GCNSubtarget.o
[55/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.SIFoldOperands.o
[56/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.GCNRegPressure.o
[57/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.SIFrameLowering.o
[58/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.R600ISelDAGToDAG.o
[59/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.AMDGPUSwLowerLDS.o
[60/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.AMDGPURegBankLegalizeRules.o
[61/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.GCNHazardRecognizer.o
[62/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.AMDGPURegisterBankInfo.o
[63/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.R600TargetTransformInfo.o
[64/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.R600ISelLowering.o
[65/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.AMDGPUSplitModule.o
[66/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.SIInsertWaitcnts.o
[67/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.AMDGPUTargetTransformInfo.o
[68/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.GCNSchedStrategy.o
[69/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.SIInstrInfo.o
[70/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.R600TargetMachine.o
[71/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.SIISelLowering.o
[72/2608] CXX obj/llvm/lib/Target/AMDGPU/LLVMAMDGPUCodeGen.AMDGPUTargetMachine.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.