INFO:2026-01-15T18:34:28Z:root:pulling...
From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   7364ff56bcfb..c4b49c76d3e1  main       -> origin/main
Switched to branch 'main'
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HEAD is now at c4b49c76d3e1 [CIR][X86] Add support for `aes` and `aeswide` builtins (#175892)
INFO:2026-01-15T18:34:31Z:root:syncing...
Deleted branch merge (was 7364ff56bcfb).
Switched to a new branch 'merge'
branch 'merge' set up to track 'origin/main'.
INFO:2026-01-15T18:34:31Z:root:building
ninja: Entering directory `out/gn'
[1/7078] AR lib/libLLVMTargetParser.a
[2/7078] 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'
[3/7078] AR lib/libclangBasic.a
[4/7078] CXX obj/llvm/tools/llvm-diff/lib/lib.DiffLog.o
[5/7078] CXX obj/llvm/lib/TextAPI/TextAPI.TextAPIError.o
[6/7078] CXX obj/llvm/lib/XRay/XRay.FDRTraceExpander.o
[7/7078] CXX obj/llvm/lib/XRay/XRay.BlockPrinter.o
[8/7078] CXX obj/llvm/lib/XRay/XRay.FDRRecords.o
[9/7078] CXX obj/llvm/lib/XRay/XRay.BlockVerifier.o
[10/7078] CXX obj/llvm/lib/XRay/XRay.FileHeaderReader.o
[11/7078] CXX obj/llvm/lib/XRay/XRay.FDRTraceWriter.o
[12/7078] CXX obj/llvm/lib/XRay/XRay.BlockIndexer.o
[13/7078] CXX obj/llvm/lib/XRay/XRay.LogBuilderConsumer.o
[14/7078] CXX obj/llvm/lib/TextAPI/TextAPI.Symbol.o
[15/7078] CXX obj/llvm/lib/XRay/XRay.RecordPrinter.o
[16/7078] CXX obj/llvm/lib/XRay/XRay.RecordInitializer.o
[17/7078] CXX obj/llvm/tools/llvm-remarkutil/llvm-remarkutil.RemarkUtilRegistry.o
[18/7078] CXX obj/llvm/lib/TextAPI/TextAPI.SymbolSet.o
[19/7078] CXX obj/llvm/tools/llvm-cov/llvm-cov.llvm-cov.o
[20/7078] CXX obj/llvm/lib/TextAPI/TextAPI.RecordVisitor.o
[21/7078] CXX obj/llvm/lib/TextAPI/TextAPI.Target.o
[22/7078] CXX obj/llvm/lib/XRay/XRay.FDRRecordProducer.o
[23/7078] CXX obj/llvm/tools/llvm-bcanalyzer/llvm-bcanalyzer.llvm-bcanalyzer.o
[24/7078] CXX obj/llvm/tools/llvm-remarkutil/llvm-remarkutil.RemarkUtilHelpers.o
[25/7078] CXX obj/llvm/lib/TextAPI/TextAPI.Utils.o
[26/7078] CXX obj/llvm/lib/WindowsDriver/WindowsDriver.MSVCPaths.o
[27/7078] CXX obj/llvm/tools/llvm-pdbutil/llvm-pdbutil.PrettyVariableDumper.o
[28/7078] CXX obj/llvm/tools/llvm-diff/lib/lib.DiffConsumer.o
[29/7078] CXX obj/llvm/lib/TextAPI/TextAPI.TextStubCommon.o
[30/7078] CXX obj/llvm/tools/llvm-cov/llvm-cov.gcov.o
[31/7078] CXX obj/llvm/tools/llvm-diff/llvm-diff.llvm-diff.o
[32/7078] CXX obj/llvm/tools/llvm-ctxprof-util/llvm-ctxprof-util.llvm-ctxprof-util.o
[33/7078] CXX obj/llvm/tools/llvm-pdbutil/llvm-pdbutil.StreamUtil.o
[34/7078] CXX obj/llvm/tools/llvm-remarkutil/llvm-remarkutil.RemarkCount.o
[35/7078] CXX obj/llvm/tools/llvm-remarkutil/llvm-remarkutil.RemarkFilter.o
[36/7078] CXX obj/llvm/tools/llvm-cov/llvm-cov.CoverageFilters.o
[37/7078] CXX obj/llvm/lib/XRay/XRay.Profile.o
[38/7078] CXX obj/llvm/tools/llvm-remarkutil/llvm-remarkutil.RemarkConvert.o
[39/7078] CXX obj/llvm/lib/TextAPI/TextAPI.RecordsSlice.o
[40/7078] CXX obj/llvm/tools/llvm-cov/llvm-cov.CoverageSummaryInfo.o
[41/7078] CXX obj/llvm/tools/llvm-cov/llvm-cov.TestingSupport.o
[42/7078] CXX obj/llvm/tools/llvm-offload-binary/llvm-offload-binary.llvm-offload-binary.o
[43/7078] CXX obj/llvm/tools/llvm-pdbutil/llvm-pdbutil.TypeReferenceTracker.o
[44/7078] CXX obj/llvm/tools/llvm-config/llvm-config.llvm-config.o
[45/7078] CXX obj/llvm/lib/Transforms/CFGuard/CFGuard.CFGuard.o
[46/7078] CXX obj/llvm/tools/llvm-remarkutil/llvm-remarkutil.RemarkInstructionMix.o
[47/7078] CXX obj/llvm/tools/llvm-cov/llvm-cov.SourceCoverageViewText.o
[48/7078] CXX obj/llvm/tools/llvm-opt-report/llvm-opt-report.OptReport.o
[49/7078] CXX obj/llvm/tools/llvm-cov/llvm-cov.CoverageExporterLcov.o
[50/7078] CXX obj/llvm/lib/XRay/XRay.Trace.o
[51/7078] CXX obj/llvm/lib/XRay/XRay.InstrumentationMap.o
[52/7078] CXX obj/llvm/tools/bugpoint-passes/bugpoint-passes.TestPasses.o
[53/7078] CXX obj/llvm/tools/llvm-diff/lib/lib.DifferenceEngine.o
[54/7078] CXX obj/llvm/tools/llvm-remarkutil/llvm-remarkutil.RemarkCounter.o
[55/7078] CXX obj/llvm/tools/llvm-cov/llvm-cov.SourceCoverageViewHTML.o
[56/7078] CXX obj/llvm/tools/llvm-cfi-verify/lib/lib.GraphBuilder.o
[57/7078] CXX obj/llvm/lib/TextAPI/BinaryReader/BinaryReader.DylibReader.o
[58/7078] CXX obj/llvm/tools/llvm-cov/llvm-cov.CoverageReport.o
[59/7078] CXX obj/llvm/tools/llvm-cov/llvm-cov.CoverageExporterJson.o
[60/7078] CXX obj/llvm/tools/llvm-cov/llvm-cov.SourceCoverageView.o
[61/7078] CXX obj/llvm/tools/llvm-pdbutil/llvm-pdbutil.YAMLOutputStyle.o
[62/7078] CXX obj/llvm/tools/llvm-dis/llvm-dis.llvm-dis.o
[63/7078] CXX obj/llvm/lib/TextAPI/TextAPI.TextStub.o
[64/7078] CXX obj/llvm/tools/llvm-cfi-verify/lib/lib.FileAnalysis.o
[65/7078] CXX obj/llvm/lib/TextAPI/TextAPI.TextStubV5.o
[66/7078] CXX obj/llvm/tools/llvm-cov/llvm-cov.CodeCoverage.o
[67/7078] CXX obj/llvm/tools/llvm-profdata/llvm-profdata.llvm-profdata.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.