INFO:2026-01-15T17:02:28Z:root:pulling... From github.com:llvm/llvm-project * branch main -> FETCH_HEAD ec6b7a3e1a6f..1d4f9ac37c04 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 1d4f9ac37c04 [flang] Fix crash with coarray teams #171048 (#172259) INFO:2026-01-15T17:02:31Z:root:syncing... Deleted branch merge (was ec6b7a3e1a6f). Switched to a new branch 'merge' branch 'merge' set up to track 'origin/main'. INFO:2026-01-15T17:02:31Z:root:building ninja: Entering directory `out/gn' [1/7731] AR lib/libclangDocSupport.a [2/7731] 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 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' [3/7731] LINK ./bin/merge-fdata [4/7731] CXX obj/lldb/source/Utility/Utility.ErrorMessages.o [5/7731] CXX obj/lldb/source/Interpreter/Interfaces/Interfaces.ScriptedInterfaceUsages.o [6/7731] CXX obj/lldb/source/Host/common/Host.LZMA.o [7/7731] CXX obj/lldb/source/Utility/Utility.Environment.o [8/7731] CXX obj/lldb/source/Host/common/Host.OptionParser.o [9/7731] CXX obj/lldb/source/Host/common/Host.Terminal.o [10/7731] CXX obj/lldb/source/Host/posix/Host.Support.o [11/7731] CXX obj/lldb/source/Host/linux/Host.Support.o [12/7731] CXX obj/lldb/source/Host/common/Host.FileAction.o [13/7731] CXX obj/lldb/source/Host/common/Host.PipeBase.o [14/7731] CXX obj/lldb/source/Host/posix/Host.LockFilePosix.o [15/7731] CXX obj/lldb/source/Host/common/Host.HostThread.o [16/7731] CXX obj/lldb/source/Host/posix/Host.HostThreadPosix.o [17/7731] CXX obj/lldb/source/Utility/Utility.DataExtractor.o [18/7731] CXX obj/lldb/source/Host/common/Host.LockFileBase.o [19/7731] CXX obj/lldb/source/Host/common/Host.NativeWatchpointList.o [20/7731] CXX obj/lldb/source/Utility/Utility.FileSpec.o [21/7731] CXX obj/lldb/source/Host/common/Host.HostProcess.o [22/7731] CXX obj/lldb/source/Host/linux/Host.AbstractSocket.o [23/7731] CXX obj/lldb/source/Utility/Utility.Diagnostics.o [24/7731] CXX obj/lldb/source/Host/common/Host.ThreadLauncher.o [25/7731] CXX obj/lldb/source/Host/common/Host.MainLoopBase.o [26/7731] CXX obj/lldb/source/Host/common/Host.XML.o [27/7731] CXX obj/lldb/source/Host/common/Host.UDPSocket.o [28/7731] CXX obj/lldb/source/Utility/Utility.Event.o [29/7731] CXX obj/lldb/source/Host/common/Host.MemoryMonitor.o [30/7731] CXX obj/lldb/source/Host/common/Host.JSONTransport.o [31/7731] CXX obj/lldb/source/Host/common/Host.PseudoTerminal.o [32/7731] CXX obj/lldb/source/Host/common/Host.HostNativeThreadBase.o [33/7731] CXX obj/lldb/source/Host/common/Host.ZipFileResolver.o [34/7731] CXX obj/lldb/source/Host/posix/Host.HostProcessPosix.o [35/7731] CXX obj/lldb/source/Host/posix/Host.HostInfoPosix.o [36/7731] CXX obj/lldb/source/Host/posix/Host.FileSystemPosix.o [37/7731] CXX obj/lldb/source/Host/common/Host.NativeRegisterContext.o [38/7731] CXX obj/lldb/source/Host/posix/Host.DomainSocket.o [39/7731] CXX obj/lldb/source/Host/common/Host.NativeThreadProtocol.o [40/7731] CXX obj/lldb/source/Host/linux/Host.HostInfoLinux.o [41/7731] CXX obj/lldb/source/Host/posix/Host.PipePosix.o [42/7731] CXX obj/lldb/source/Host/posix/Host.MainLoopPosix.o [43/7731] CXX obj/lldb/source/Host/common/Host.DiagnosticsRendering.o [44/7731] CXX obj/lldb/source/Host/common/Host.ProcessLaunchInfo.o [45/7731] CXX obj/lldb/source/Host/common/Host.StreamFile.o [46/7731] CXX obj/lldb/source/Host/common/Host.FileSystem.o [47/7731] CXX obj/lldb/source/Host/common/Host.File.o [48/7731] CXX obj/lldb/source/Host/common/Host.Socket.o [49/7731] CXX obj/lldb/source/Host/common/Host.MonitoringProcessLauncher.o [50/7731] CXX obj/lldb/source/Host/common/Host.TCPSocket.o [51/7731] CXX obj/llvm/unittests/DebugInfo/PDB/DebugInfoPDBTests.PDBApiTest.o [52/7731] CXX obj/lldb/source/Host/posix/Host.ProcessLauncherPosixFork.o [53/7731] CXX obj/lldb/source/Host/common/Host.HostInfoBase.o [54/7731] CXX obj/lldb/source/Host/common/Host.Host.o [55/7731] CXX obj/llvm/unittests/DebugInfo/PDB/DebugInfoPDBTests.NativeSymbolReuseTest.o [56/7731] CXX obj/lldb/source/Host/posix/Host.ConnectionFileDescriptorPosix.o [57/7731] CXX obj/lldb/source/Host/linux/Host.Host.o [58/7731] CXX obj/lldb/source/Host/common/Host.NativeProcessProtocol.o [59/7731] CXX obj/lldb/source/Utility/Utility.FileSpecList.o [60/7731] CXX obj/lldb/source/ValueObject/ValueObject.ValueObjectList.o [61/7731] CXX obj/lldb/source/ValueObject/ValueObject.ValueObjectConstResultCast.o [62/7731] CXX obj/lldb/source/ValueObject/ValueObject.ValueObjectCast.o [63/7731] CXX obj/lldb/source/ValueObject/ValueObject.ValueObjectConstResult.o [64/7731] CXX obj/lldb/source/ValueObject/ValueObject.ValueObjectConstResultChild.o [65/7731] CXX obj/lldb/source/ValueObject/ValueObject.ValueObjectChild.o [66/7731] CXX obj/lldb/source/ValueObject/ValueObject.ValueObjectConstResultImpl.o [67/7731] CXX obj/lldb/source/ValueObject/ValueObject.ValueObjectDynamicValue.o ninja: build stopped: subcommand failed. Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.