ninja: Entering directory `out/gn'
[0/1] Regenerating ninja files
[1/478] AR lib/libLLVMAnalysis.a
[2/478] 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'
[3/478] AR lib/liblldbCommands.a
[4/478] LINK obj/clang/unittests/InstallAPI/InstallAPITests
[5/478] LINK ./bin/llvm-stress
[6/478] LINK ./bin/llubi
[7/478] LINK obj/llvm/unittests/DWARFLinkerParallel/DWARFLinkerParallelTests
[8/478] LINK ./bin/llvm-sim
[9/478] LINK obj/llvm/unittests/MC/SystemZ/SystemZAsmLexerTests
[10/478] LINK ./bin/llvm-modextract
[11/478] LINK ./bin/llvm-offload-wrapper
[12/478] LINK ./bin/llvm-tli-checker
[13/478] LINK ./bin/llvm-cat
[14/478] LINK ./bin/llvm-as
[15/478] LINK obj/llvm/unittests/Linker/LinkerTests
[16/478] LINK obj/llvm/unittests/MC/X86/X86MCTests
[17/478] LINK ./bin/clang-apply-replacements
[18/478] LINK obj/clang-tools-extra/unittests/clang-apply-replacements/ClangApplyReplacementsTests
[19/478] LINK ./bin/verify-uselistorder
[20/478] LINK ./bin/clang-offload-bundler
[21/478] LINK obj/llvm/unittests/Bitcode/BitcodeTests
[22/478] LINK obj/llvm/unittests/FuzzMutate/FuzzMutateTests
[23/478] LINK obj/clang/unittests/Format/FormatTests
[24/478] LINK ./bin/sancov
[25/478] LINK ./bin/llvm-mca
[26/478] LINK obj/llvm/unittests/SandboxIR/SandboxIRTests
[27/478] LINK obj/bolt/unittests/Profile/ProfileTests
[28/478] LINK ./bin/llvm-cgdata
[29/478] LINK ./bin/llvm-debuginfo-analyzer
[30/478] LINK ./bin/llvm-bat-dump
[31/478] LINK ./bin/llvm-cfi-verify
[32/478] LINK ./bin/llvm-dwarfdump
[33/478] LINK obj/llvm/unittests/Target/PowerPC/PowerPCTests
[34/478] LINK ./bin/llvm-objdump
[35/478] LINK obj/llvm/unittests/Target/LoongArch/LoongArchTests
[36/478] LINK obj/llvm/unittests/tools/llvm-cfi-verify/CFIVerifyTests
[37/478] LINK obj/llvm/unittests/Target/WebAssembly/WebAssemblyTests
[38/478] LINK ./bin/llvm-nm
[39/478] LINK obj/llvm/unittests/tools/llvm-mca/LLVMMCATests
[40/478] LINK obj/clang/unittests/Lex/LexTests
[41/478] LINK obj/clang/unittests/Support/ClangSupportTests
[42/478] LINK obj/clang/unittests/Parse/ParseTests
[43/478] LINK ./bin/diagtool
[44/478] CXX obj/llvm/lib/Transforms/Vectorize/Vectorize.VPlanSLP.o
[45/478] CXX obj/llvm/lib/Transforms/Vectorize/Vectorize.VPlanPredicator.o
[46/478] CXX obj/llvm/unittests/Transforms/Vectorize/VectorizeTests.VPlanUncountableExitTest.o
[47/478] CXX obj/llvm/unittests/Transforms/Vectorize/VectorizeTests.VPlanPatternMatchTest.o
[48/478] CXX obj/llvm/lib/Transforms/Vectorize/Vectorize.VPlanUtils.o
[49/478] CXX obj/llvm/lib/Transforms/Vectorize/Vectorize.VPlanVerifier.o
[50/478] CXX obj/llvm/unittests/Transforms/Vectorize/VectorizeTests.VPlanHCFGTest.o
[51/478] CXX obj/llvm/unittests/Transforms/Vectorize/VectorizeTests.VPlanVerifierTest.o
[52/478] CXX obj/llvm/unittests/Transforms/Vectorize/VectorizeTests.VPDomTreeTest.o
[53/478] CXX obj/llvm/unittests/Transforms/Vectorize/VectorizeTests.VPlanSlpTest.o
[54/478] CXX obj/llvm/lib/Transforms/Vectorize/Vectorize.VPlanUnroll.o
[55/478] CXX obj/llvm/lib/Transforms/Vectorize/Vectorize.VPlanAnalysis.o
[56/478] CXX obj/llvm/unittests/Transforms/Vectorize/VectorizeTests.VPPostDomFrontierTest.o
[57/478] CXX obj/llvm/lib/Transforms/Vectorize/Vectorize.VPlanConstruction.o
[58/478] CXX obj/llvm/lib/Transforms/Vectorize/Vectorize.VPlanRecipes.o
[59/478] CXX obj/llvm/lib/Transforms/Vectorize/Vectorize.VPlan.o
[60/478] CXX obj/llvm/unittests/Transforms/Vectorize/VectorizeTests.VPlanTest.o
[61/478] CXX obj/llvm/lib/Transforms/Vectorize/Vectorize.LoopVectorize.o
[62/478] CXX obj/llvm/lib/Transforms/Vectorize/Vectorize.VPlanTransforms.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.