INFO:2026-01-15T16:22:08Z:root:pulling...
From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   5acb608b5265..0cdaa8f61202  main       -> origin/main
Switched to branch 'main'
Your branch is behind 'origin/main' by 1 commit, and can be fast-forwarded.
  (use "git pull" to update your local branch)
HEAD is now at 0cdaa8f61202 [NVPTX] Update various intrinsic attributes, nfc cleanup (#175660)
INFO:2026-01-15T16:22:11Z:root:syncing...
Deleted branch merge (was 5acb608b5265).
Switched to a new branch 'merge'
branch 'merge' set up to track 'origin/main'.
INFO:2026-01-15T16:22:11Z:root:building
ninja: Entering directory `out/gn'
[1/8258] AR lib/libLLVMSupportBlake3.a
[2/8258] AR lib/libLLVMSupport.a
[3/8258] AR lib/libLLVMBOLTUtils.a
[4/8258] AR lib/libclangSupport.a
[5/8258] AR lib/libLLVMBitstreamReader.a
[6/8258] AR lib/libLLVMDebugInfoBTF.a
[7/8258] AR lib/libLLVMExtensions.a
[8/8258] AR lib/libLLVMOrcShared.a
[9/8258] AR lib/libLLVMFileCheck.a
[10/8258] AR lib/libLLVMOption.a
[11/8258] 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'
[12/8258] AR lib/libLLVMDebugInfoMSF.a
[13/8258] AR lib/libLLVMFrontendDirective.a
[14/8258] AR lib/libLLVMLineEditor.a
[15/8258] AR lib/libLLVMPlugins.a
[16/8258] AR lib/libLLVMARMInfo.a
[17/8258] AR lib/libLLVMAVRInfo.a
[18/8258] AR lib/libLLVMAArch64Info.a
[19/8258] AR lib/libLLVMAMDGPUInfo.a
[20/8258] AR lib/libLLVMTableGen.a
[21/8258] AR lib/libLLVMRemarks.a
[22/8258] AR lib/libLLVMHexagonInfo.a
[23/8258] AR lib/libLLVMSupportLSP.a
[24/8258] AR lib/libLLVMLoongArchInfo.a
[25/8258] AR lib/libLLVMBPFInfo.a
[26/8258] AR lib/libLLVMLanaiInfo.a
[27/8258] AR lib/libLLVMMipsInfo.a
[28/8258] LINK ./bin/lldb-argdumper
[29/8258] LINK ./bin/llvm-undname
[30/8258] LINK ./bin/clang-tidy-confusable-chars-gen
[31/8258] CXX obj/llvm/utils/not/not.not.o
[32/8258] CXX obj/llvm/unittests/Demangle/DemangleTests.PartialDemangleTest.o
[33/8258] CXX obj/third-party/unittest/UnitTestMain/UnitTestMain.TestMain.o
[34/8258] CXX obj/llvm/utils/TableGen/Basic/Basic.TableGen.o
[35/8258] CXX obj/llvm/unittests/Demangle/DemangleTests.DemangleTest.o
[36/8258] CXX obj/llvm/unittests/Support/DynamicLibrary/DynamicLibraryTests.DynamicLibraryTest.o
[37/8258] CXX obj/llvm/unittests/LineEditor/LineEditorTests.LineEditor.o
[38/8258] CXX obj/llvm/utils/TableGen/Basic/Basic.TargetFeaturesEmitter.o
[39/8258] CXX obj/llvm/utils/TableGen/Basic/Basic.SDNodeProperties.o
[40/8258] CXX obj/llvm/utils/split-file/split-file.split-file.o
[41/8258] CXX obj/llvm/utils/yaml-bench/yaml-bench.YAMLBench.o
[42/8258] CXX obj/llvm/utils/TableGen/Basic/Basic.RuntimeLibcalls.o
[43/8258] CXX obj/llvm/unittests/DebugInfo/MSF/DebugInfoMSFTests.MSFCommonTest.o
[44/8258] CXX obj/llvm/unittests/Testing/Support/TestingSupportTests.TempPathTest.o
[45/8258] CXX obj/llvm/unittests/Demangle/DemangleTests.OutputBufferTest.o
[46/8258] CXX obj/llvm/unittests/Demangle/DemangleTests.RustDemangleTest.o
[47/8258] CXX obj/llvm/utils/TableGen/Basic/Basic.Attributes.o
[48/8258] CXX obj/llvm/utils/TableGen/Basic/Basic.VTEmitter.o
[49/8258] CXX obj/llvm/unittests/DebugInfo/CodeView/DebugInfoCodeViewTests.GUIDFormatTest.o
[50/8258] CXX obj/llvm/unittests/DebugInfo/CodeView/DebugInfoCodeViewTests.TypeHashingTest.o
[51/8258] CXX obj/llvm/unittests/Testing/ADT/TestingADTTests.StringMapTest.o
[52/8258] CXX obj/llvm/unittests/Support/LSP/LSPTests.Protocol.o
[53/8258] CXX obj/llvm/unittests/Testing/ADT/TestingADTTests.StringMapEntryTest.o
[54/8258] CXX obj/llvm/utils/TableGen/Basic/Basic.RISCVTargetDefEmitter.o
[55/8258] CXX obj/llvm/utils/TableGen/Basic/Basic.TargetLibraryInfoEmitter.o
[56/8258] CXX obj/llvm/unittests/Demangle/DemangleTests.DLangDemangleTest.o
[57/8258] CXX obj/third-party/unittest/googlemock/src/gtest.gmock-all.o
[58/8258] CXX obj/llvm/utils/FileCheck/FileCheck.FileCheck.o
[59/8258] CXX obj/llvm/unittests/CAS/CASTests.CASTestConfig.o
[60/8258] CXX obj/llvm/utils/TableGen/Basic/Basic.ARMTargetDefEmitter.o
[61/8258] CXX obj/llvm/unittests/Bitstream/BitstreamTests.BitstreamReaderTest.o
[62/8258] CXX obj/llvm/utils/TableGen/Basic/Basic.CodeGenIntrinsics.o
[63/8258] CXX obj/llvm/unittests/CAS/CASTests.UnifiedOnDiskCacheTest.o
[64/8258] CXX obj/llvm/utils/TableGen/Basic/Basic.RuntimeLibcallsEmitter.o
[65/8258] CXX obj/llvm/unittests/Bitstream/BitstreamTests.BitstreamWriterTest.o
[66/8258] CXX obj/llvm/unittests/DebugInfo/MSF/DebugInfoMSFTests.MappedBlockStreamTest.o
[67/8258] CXX obj/llvm/unittests/DebugInfo/CodeView/DebugInfoCodeViewTests.RandomAccessVisitorTest.o
[68/8258] CXX obj/llvm/unittests/Support/LSP/LSPTests.Transport.o
[69/8258] CXX obj/llvm/unittests/DebugInfo/MSF/DebugInfoMSFTests.MSFBuilderTest.o
[70/8258] CXX obj/llvm/unittests/DebugInfo/CodeView/DebugInfoCodeViewTests.TypeIndexDiscoveryTest.o
[71/8258] CXX obj/llvm/utils/TableGen/Basic/Basic.IntrinsicEmitter.o
[72/8258] CXX obj/llvm/utils/TableGen/Basic/Basic.DirectiveEmitter.o
[73/8258] CXX obj/llvm/unittests/CAS/CASTests.ObjectStoreTest.o
[74/8258] CXX obj/llvm/unittests/Demangle/DemangleTests.ItaniumDemangleTest.o
[75/8258] CXX obj/third-party/unittest/googletest/src/gtest.gtest-all.o
[76/8258] CXX obj/llvm/unittests/FileCheck/FileCheckTests.FileCheckTest.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.