INFO:2026-01-15T15:18:25Z:root:pulling...
From github.com:llvm/llvm-project
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   513062dd583d..a8660308108f  main       -> origin/main
Switched to branch 'main'
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HEAD is now at a8660308108f [LifetimeSafety] Test lifetime safety on stmt-local analysis test suite (#175906)
INFO:2026-01-15T15:18:28Z:root:syncing...
Deleted branch merge (was 513062dd583d).
Switched to a new branch 'merge'
branch 'merge' set up to track 'origin/main'.
INFO:2026-01-15T15:18:28Z:root:building
ninja: Entering directory `out/gn'
[1/605] AR lib/libclangASTMatchers.a
[2/605] AR lib/libclangIncludeCleaner.a
[3/605] AR lib/libclangAnalysisLifetimeSafety.a
[4/605] AR lib/libclangEdit.a
[5/605] AR lib/libclangInstallAPI.a
[6/605] AR lib/libclangToolingASTDiff.a
[7/605] AR lib/liblldbPluginSymbolFileNativePDB.a
[8/605] AR lib/liblldbPluginSymbolFilePDB.a
[9/605] AR lib/libclangAnalysis.a
[10/605] AR lib/libclangAnalysisFlowSensitive.a
[11/605] AR lib/libclangAnalysisFlowSensitiveModels.a
[12/605] AR lib/libclangDynamicASTMatchers.a
[13/605] ACTION //llvm/tools/llvm-objdump:llvm-otool(//llvm/utils/gn/build/toolchain:unix)
[14/605] AR lib/libclangSema.a
[15/605] 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'
[16/605] AR lib/libclangParse.a
[17/605] AR lib/libclangSerialization.a
[18/605] LINK obj/clang/unittests/InstallAPI/InstallAPITests
[19/605] LINK obj/llvm/unittests/CGData/CodeGenDataTests
[20/605] LINK ./bin/llvm-cxxmap
[21/605] LINK ./bin/llvm-libtool-darwin
[22/605] LINK ./bin/llvm-cxxdump
[23/605] LINK ./bin/llvm-mc
[24/605] LINK obj/llvm/unittests/DebugInfo/GSYM/DebugInfoGSYMTests
[25/605] LINK ./bin/llvm-ml
[26/605] LINK obj/llvm/unittests/ExecutionEngine/JITLink/JITLinkTests
[27/605] LINK ./bin/llvm-xray
[28/605] LINK obj/llvm/unittests/MC/MCTests
[29/605] LINK ./bin/llvm-ar
[30/605] LINK ./bin/llvm-lipo
[31/605] LINK ./bin/llvm-rtdyld
[32/605] LINK ./bin/llvm-jitlink
[33/605] LINK obj/llvm/unittests/Passes/PassBuilderBindings/PassesBindingsTests
[34/605] LINK obj/llvm/unittests/MC/AMDGPU/AMDGPUMCTests
[35/605] LINK obj/bolt/unittests/Passes/PassTests
[36/605] LINK ./bin/llvm-bolt
[37/605] LINK ./bin/llvm-exegesis
[38/605] LINK obj/bolt/unittests/Core/CoreTests
[39/605] LINK obj/llvm/unittests/Target/AMDGPU/AMDGPUTests
[40/605] LINK ./bin/llvm-c-test
[41/605] LINK ./bin/llvm-gsymutil
[42/605] LINK ./bin/llvm-bolt-heatmap
[43/605] LINK ./bin/llvm-dwarfutil
[44/605] LINK obj/llvm/unittests/Target/TargetMachineCTests
[45/605] LINK ./bin/clang-linker-wrapper
[46/605] LINK ./bin/llvm-ir2vec
[47/605] LINK ./bin/clang-sycl-linker
[48/605] LINK ./bin/clang-nvlink-wrapper
[49/605] LINK obj/llvm/unittests/DebugInfo/DWARF/DebugInfoDWARFTests
[50/605] LINK ./bin/llvm-opt-fuzzer
[51/605] LINK obj/lld/unittests/AsLibELF/LLDAsLibELFTests
[52/605] SOLINK ./lib/libLTO.so
[53/605] LINK obj/llvm/unittests/DebugInfo/LogicalView/DebugInfoLogicalViewTests
[54/605] LINK obj/llvm/unittests/MIR/MIRTests
[55/605] LINK ./bin/llvm-reduce
[56/605] LINK obj/llvm/unittests/MI/MITests
[57/605] LINK obj/llvm/unittests/CodeGen/GlobalISel/GlobalISelTests
[58/605] LINK ./bin/llc
[59/605] LINK ./bin/llvm-isel-fuzzer
[60/605] LINK ./bin/bugpoint
[61/605] LINK ./bin/opt
[62/605] LINK obj/llvm/unittests/CodeGen/CodeGenTests
[63/605] LINK ./bin/llvm-lto2
[64/605] LINK ./bin/llvm-lto
[65/605] LINK ./bin/dsymutil
[66/605] LINK ./bin/llvm-dwp
[67/605] LINK obj/lld/unittests/AsLibAll/LLDAsLibAllTests
[68/605] LINK ./bin/llvm-split
[69/605] LINK ./bin/lld
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.