INFO:2026-03-25T18:45:24Z:root:pulling... From github.com:llvm/llvm-project * branch main -> FETCH_HEAD 4a352bb60d2f..61533e7e75ab main -> origin/main Switched to branch 'main' Your branch is behind 'origin/main' by 2 commits, and can be fast-forwarded. (use "git pull" to update your local branch) HEAD is now at 61533e7e75ab [TargetLowering] Update comments for prepareUREMEqFold to show non-zero comparison constants are allowed. NFC (#188550) INFO:2026-03-25T18:45:32Z:root:syncing... Deleted branch merge (was 4a352bb60d2f). Switched to a new branch 'merge' branch 'merge' set up to track 'origin/main'. INFO:2026-03-25T18:45:33Z:root:building ninja: Entering directory `out/gn' [1/3410] 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 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' [2/3410] CXX obj/lldb/source/Plugins/ExpressionParser/Clang/Clang.InjectPointerSigningFixups.o [3/3410] CXX obj/llvm/tools/llvm-sim/llvm-sim.llvm-sim.o [4/3410] CXX obj/lldb/source/Plugins/ExpressionParser/Clang/Clang.IRDynamicChecks.o [5/3410] CXX obj/lldb/source/Plugins/ExpressionParser/Clang/Clang.ClangExpressionVariable.o [6/3410] CXX obj/lld/wasm/wasm.OutputSegment.o [7/3410] CXX obj/lld/wasm/wasm.OutputSections.o [8/3410] CXX obj/lld/wasm/wasm.Relocations.o [9/3410] CXX obj/lld/wasm/wasm.Symbols.o [10/3410] CXX obj/lld/wasm/wasm.LTO.o [11/3410] CXX obj/lldb/source/Plugins/ExpressionParser/Clang/Clang.ClangUtil.o [12/3410] CXX obj/lldb/source/Expression/Expression.IRInterpreter.o [13/3410] CXX obj/lldb/source/Plugins/Language/CPlusPlus/CPlusPlus.Coroutines.o [14/3410] CXX obj/lldb/source/Plugins/ExpressionParser/Clang/Clang.ClangExternalASTSourceCallbacks.o [15/3410] CXX obj/lldb/source/Plugins/Language/CPlusPlus/CPlusPlus.CxxStringTypes.o [16/3410] CXX obj/lldb/source/Expression/Expression.IRExecutionUnit.o [17/3410] CXX obj/lldb/source/Plugins/Language/CPlusPlus/CPlusPlus.GenericOptional.o [18/3410] CXX obj/lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntime.AppleObjCTypeEncodingParser.o [19/3410] CXX obj/lldb/source/Plugins/Language/ObjC/ObjC.CF.o [20/3410] CXX obj/lldb/source/Plugins/Language/ObjC/ObjC.NSIndexPath.o [21/3410] CXX obj/lldb/source/Plugins/Language/CPlusPlus/CPlusPlus.LibCxxUnorderedMap.o [22/3410] CXX obj/lldb/source/Plugins/Language/ObjC/ObjC.NSException.o [23/3410] CXX obj/lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntime.AppleObjCRuntimeV1.o [24/3410] CXX obj/lldb/source/Plugins/Language/ObjC/ObjC.NSError.o [25/3410] CXX obj/lldb/source/Plugins/Language/CPlusPlus/CPlusPlus.GenericBitset.o [26/3410] CXX obj/lldb/source/Plugins/Language/CPlusPlus/CPlusPlus.LibStdcpp.o [27/3410] CXX obj/lldb/source/Plugins/Language/CPlusPlus/CPlusPlus.LibCxxMap.o [28/3410] CXX obj/lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntime.AppleObjCDeclVendor.o [29/3410] CXX obj/lldb/source/Plugins/LanguageRuntime/CPlusPlus/CPlusPlus.ItaniumABIRuntime.o [30/3410] CXX obj/lldb/source/Plugins/Language/ObjC/ObjC.Cocoa.o [31/3410] CXX obj/lldb/source/Plugins/Platform/POSIX/POSIX.PlatformPOSIX.o [32/3410] CXX obj/lldb/source/Plugins/DynamicLoader/MacOSX-DYLD/MacOSX-DYLD.DynamicLoaderMacOSXDYLD.o [33/3410] CXX obj/lldb/source/Plugins/Platform/Linux/Linux.PlatformLinux.o [34/3410] CXX obj/lldb/source/Plugins/Language/CPlusPlus/CPlusPlus.LibCxx.o [35/3410] CXX obj/lldb/source/Plugins/Platform/Windows/Windows.PlatformWindows.o [36/3410] CXX obj/lldb/source/Plugins/Language/ObjC/ObjC.NSArray.o [37/3410] CXX obj/lldb/source/Plugins/Language/ObjC/ObjC.NSSet.o [38/3410] CXX obj/lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntime.AppleObjCRuntime.o [39/3410] CXX obj/lld/wasm/wasm.SyntheticSections.o [40/3410] CXX obj/lldb/source/Plugins/Language/ObjC/ObjC.NSDictionary.o [41/3410] CXX obj/lldb/source/Plugins/LanguageRuntime/ObjC/ObjC.ObjCLanguageRuntime.o [42/3410] CXX obj/lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntime.AppleObjCTrampolineHandler.o [43/3410] CXX obj/lldb/source/Plugins/ExpressionParser/Clang/Clang.ClangPersistentVariables.o [44/3410] CXX obj/lldb/source/Plugins/ExpressionParser/Clang/Clang.CxxModuleHandler.o [45/3410] CXX obj/lldb/source/Plugins/Language/ObjC/ObjC.ObjCLanguage.o [46/3410] CXX obj/lldb/source/Plugins/ExpressionParser/Clang/Clang.NameSearchContext.o [47/3410] CXX obj/lldb/source/Plugins/ExpressionParser/Clang/Clang.ASTStructExtractor.o [48/3410] CXX obj/lldb/source/Plugins/Language/CPlusPlus/CPlusPlus.BlockPointer.o [49/3410] CXX obj/lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntime.AppleObjCRuntimeV2.o [50/3410] CXX obj/lldb/source/Plugins/ExpressionParser/Clang/Clang.ClangUtilityFunction.o [51/3410] CXX obj/lldb/source/Plugins/SymbolFile/PDB/PDB.PDBASTParser.o [52/3410] CXX obj/lldb/source/Plugins/ExpressionParser/Clang/Clang.ClangUserExpression.o [53/3410] CXX obj/lldb/source/Plugins/ExpressionParser/Clang/Clang.ClangASTSource.o [54/3410] CXX obj/lldb/source/Plugins/SymbolFile/NativePDB/NativePDB.UdtRecordCompleter.o [55/3410] CXX obj/lldb/source/Plugins/ExpressionParser/Clang/Clang.IRForTarget.o [56/3410] CXX obj/lldb/source/Plugins/ExpressionParser/Clang/Clang.ClangFunctionCaller.o [57/3410] CXX obj/lldb/source/Plugins/SymbolFile/NativePDB/NativePDB.PdbAstBuilderClang.o [58/3410] CXX obj/lldb/source/Plugins/SymbolFile/PDB/PDB.SymbolFilePDB.o [59/3410] CXX obj/lldb/source/Plugins/ExpressionParser/Clang/Clang.ClangExpressionDeclMap.o [60/3410] CXX obj/lldb/source/Plugins/ExpressionParser/Clang/Clang.ClangModulesDeclVendor.o [61/3410] CXX obj/lldb/source/Plugins/SymbolFile/DWARF/DWARF.DWARFASTParserClang.o [62/3410] CXX obj/lldb/source/Plugins/ExpressionParser/Clang/Clang.ClangExpressionParser.o [63/3410] CXX obj/lldb/source/Commands/Commands.CommandObjectTarget.o [64/3410] CXX obj/lldb/source/Plugins/SymbolFile/DWARF/DWARF.SymbolFileDWARF.o [65/3410] CXX obj/lldb/source/Plugins/SymbolFile/NativePDB/NativePDB.SymbolFileNativePDB.o [66/3410] CXX obj/lldb/source/Plugins/TypeSystem/Clang/Clang.TypeSystemClang.o ninja: build stopped: subcommand failed. Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.