INFO:2026-03-04T03:57:46Z:root:pulling...
From github.com:llvm/llvm-project
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   a6bbe463ce67..4b85c1301fb6  main       -> origin/main
Switched to branch 'main'
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HEAD is now at 4b85c1301fb6 [clang-tidy] Fix false positive in readability-redundant-preprocessor for builtin checks (#181734)
INFO:2026-03-04T03:57:49Z:root:syncing...
Deleted branch merge (was a6bbe463ce67).
Switched to a new branch 'merge'
branch 'merge' set up to track 'origin/main'.
INFO:2026-03-04T03:57:49Z:root:building
ninja: Entering directory `out/gn'
[1/305] AR lib/libclangFrontendTool.a
[2/305] ACTION //llvm/tools/llvm-ml:llvm-ml64(//llvm/utils/gn/build/toolchain:unix)
[3/305] ACTION //bolt/tools/driver:llvm-boltdiff(//llvm/utils/gn/build/toolchain:unix)
[4/305] ACTION //bolt/tools/driver:perf2bolt(//llvm/utils/gn/build/toolchain:unix)
[5/305] LINK obj/clang/unittests/libclang/CrashTests/libclangCrashTests
[6/305] LINK obj/clang/unittests/libclang/libclangTests
[7/305] ACTION //llvm/utils/llvm-lit:llvm-lit(//llvm/utils/gn/build/toolchain:unix)
FAILED: bin/llvm-lit 
python3 ../../llvm/utils/gn/build/write_cmake_config.py -o bin/llvm-lit ../../llvm/utils/llvm-lit/llvm-lit.in LLVM_SOURCE_DIR=../../../llvm Python3_EXECUTABLE=/usr/bin/env\ python3 BUILD_MODE=. LLVM_LIT_CONFIG_MAP=\#\ Takes\ a\ path\ that\'s\ relative\ to\ __file__\ and\ makes\ it\ absolute.\\ndef\ path\(p\):\\n\ \ \ \ return\ os.path.abspath\(os.path.join\(__file__,\ \'..\',\ p\)\)\ if\ p\ else\ \'\'\\n\\nmap_config\(\\n\ \ \ \ path\(r\'../../../bolt/test/lit.cfg.py\'\),\\n\ \ \ \ path\(r\'../gen/bolt/test/lit.site.cfg.py\'\)\)\\nmap_config\(\\n\ \ \ \ path\(r\'../../../bolt/test/Unit/lit.cfg.py\'\),\\n\ \ \ \ path\(r\'../gen/bolt/test/Unit/lit.site.cfg.py\'\)\)\\nmap_config\(\\n\ \ \ \ path\(r\'../../../clang-tools-extra/test/lit.cfg.py\'\),\\n\ \ \ \ path\(r\'../gen/clang-tools-extra/test/lit.site.cfg.py\'\)\)\\nmap_config\(\\n\ \ \ \ path\(r\'../../../clang-tools-extra/test/Unit/lit.cfg.py\'\),\\n\ \ \ \ path\(r\'../gen/clang-tools-extra/test/Unit/lit.site.cfg.py\'\)\)\\nmap_config\(\\n\ \ \ \ path\(r\'../../../clang-tools-extra/clangd/test/lit.cfg.py\'\),\\n\ \ \ \ path\(r\'../gen/clang-tools-extra/clangd/test/lit.site.cfg.py\'\)\)\\nmap_config\(\\n\ \ \ \ path\(r\'../../../clang-tools-extra/clangd/unittests/lit.cfg.py\'\),\\n\ \ \ \ path\(r\'../gen/clang-tools-extra/clangd/unittests/lit.site.cfg.py\'\)\)\\nmap_config\(\\n\ \ \ \ path\(r\'../../../clang/test/lit.cfg.py\'\),\\n\ \ \ \ path\(r\'../gen/clang/test/lit.site.cfg.py\'\)\)\\nmap_config\(\\n\ \ \ \ path\(r\'../../../clang/test/Unit/lit.cfg.py\'\),\\n\ \ \ \ path\(r\'../gen/clang/test/Unit/lit.site.cfg.py\'\)\)\\nmap_config\(\\n\ \ \ \ path\(r\'../../../lld/test/lit.cfg.py\'\),\\n\ \ \ \ path\(r\'../gen/lld/test/lit.site.cfg.py\'\)\)\\nmap_config\(\\n\ \ \ \ path\(r\'../../../lld/test/Unit/lit.cfg.py\'\),\\n\ \ \ \ path\(r\'../gen/lld/test/Unit/lit.site.cfg.py\'\)\)\\nmap_config\(\\n\ \ \ \ path\(r\'../../../lldb/test/lit.cfg.py\'\),\\n\ \ \ \ path\(r\'../gen/lldb/test/lit.site.cfg.py\'\)\)\\nmap_config\(\\n\ \ \ \ path\(r\'../../../lldb/test/API/lit.cfg.py\'\),\\n\ \ \ \ path\(r\'../gen/lldb/test/API/lit.site.cfg.py\'\)\)\\nmap_config\(\\n\ \ \ \ path\(r\'../../../lldb/test/Shell/lit.cfg.py\'\),\\n\ \ \ \ path\(r\'../gen/lldb/test/Shell/lit.site.cfg.py\'\)\)\\nmap_config\(\\n\ \ \ \ path\(r\'../../../lldb/test/Unit/lit.cfg.py\'\),\\n\ \ \ \ path\(r\'../gen/lldb/test/Unit/lit.site.cfg.py\'\)\)\\nmap_config\(\\n\ \ \ \ path\(r\'../../../llvm/test/lit.cfg.py\'\),\\n\ \ \ \ path\(r\'../gen/llvm/test/lit.site.cfg.py\'\)\)\\nmap_config\(\\n\ \ \ \ path\(r\'../../../llvm/test/Unit/lit.cfg.py\'\),\\n\ \ \ \ path\(r\'../gen/llvm/test/Unit/lit.site.cfg.py\'\)\)
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 72, in main
    in_line = var_re.sub(repl, in_line)
  File "/usr/local/google/home/thakis/src/llvm-project/out/gn/../../llvm/utils/gn/build/write_cmake_config.py", line 70, in repl
    return values[key]
           ~~~~~~^^^^^
KeyError: 'LLVM_WINDOWS_PREFER_FORWARD_SLASH'
[8/305] LINK ./bin/llvm-cxxmap
[9/305] LINK obj/llvm/unittests/CGData/CodeGenDataTests
[10/305] LINK ./bin/llvm-cxxdump
[11/305] LINK obj/llvm/unittests/ExecutionEngine/JITLink/JITLinkTests
[12/305] LINK obj/llvm/unittests/DebugInfo/GSYM/DebugInfoGSYMTests
[13/305] LINK ./bin/llvm-xray
[14/305] LINK ./bin/llvm-ar
[15/305] LINK ./bin/llvm-rtdyld
[16/305] LINK obj/llvm/unittests/Target/RISCV/RISCVTests
[17/305] LINK obj/llvm/unittests/MC/MCTests
[18/305] LINK obj/llvm/unittests/tools/llvm-exegesis/RISCV/LLVMExegesisRISCVTests
[19/305] LINK obj/llvm/unittests/Passes/PassBuilderBindings/PassesBindingsTests
[20/305] LINK ./bin/llvm-exegesis
[21/305] LINK ./bin/c-index-test
[22/305] LINK obj/llvm/unittests/MIR/MIRTests
[23/305] LINK ./bin/llvm-c-test
[24/305] LINK obj/llvm/unittests/MI/MITests
[25/305] LINK ./bin/llvm-dwp
[26/305] LINK ./bin/llvm-opt-fuzzer
[27/305] LINK ./bin/clang-scan-deps
[28/305] LINK ./bin/llvm-dwarfutil
[29/305] LINK ./bin/llc
[30/305] LINK obj/llvm/unittests/CodeGen/CodeGenTests
[31/305] LINK obj/llvm/unittests/DebugInfo/LogicalView/DebugInfoLogicalViewTests
[32/305] LINK ./bin/llvm-split
[33/305] LINK ./bin/llvm-reduce
[34/305] LINK ./bin/dsymutil
[35/305] SOLINK ./lib/libLTO.so
[36/305] LINK obj/llvm/unittests/CodeGen/GlobalISel/GlobalISelTests
[37/305] LINK obj/llvm/unittests/DebugInfo/DWARF/DebugInfoDWARFTests
[38/305] LINK ./bin/opt
[39/305] LINK ./bin/lld
[40/305] LINK obj/llvm/unittests/Target/TargetMachineCTests
[41/305] LINK obj/clang/unittests/Interpreter/ExceptionTests/ClangReplInterpreterExceptionTests
[42/305] LINK obj/clang/unittests/Frontend/FrontendTests
[43/305] LINK ./bin/clang
[44/305] LINK ./bin/lldb-test
[45/305] LINK ./bin/clang-repl
[46/305] LINK ./bin/lldb-dap
[47/305] LINK obj/clang/unittests/Interpreter/ClangReplInterpreterTests
[48/305] CXX obj/clang-tools-extra/clang-tidy/readability/readability.RedundantPreprocessorCheck.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.