ninja: Entering directory `out/gn'
[1/336] ACTION //bolt/tools/driver:llvm-boltdiff(//llvm/utils/gn/build/toolchain:unix)
[2/336] ACTION //bolt/tools/driver:perf2bolt(//llvm/utils/gn/build/toolchain:unix)
[3/336] ACTION //llvm/tools/llvm-ml:llvm-ml64(//llvm/utils/gn/build/toolchain:unix)
[4/336] ACTION //llvm/tools/llvm-objdump:llvm-otool(//llvm/utils/gn/build/toolchain:unix)
[5/336] LINK ./bin/llvm-cxxmap
[6/336] LINK obj/llvm/unittests/CGData/CodeGenDataTests
[7/336] LINK ./bin/llvm-lipo
[8/336] LINK ./bin/llvm-cxxdump
[9/336] LINK obj/clang/unittests/DependencyScanning/ClangDependencyScanningTests
[10/336] LINK ./bin/llvm-ar
[11/336] LINK ./bin/llvm-xray
[12/336] LINK ./bin/llvm-mc
[13/336] LINK ./bin/llvm-rtdyld
[14/336] ACTION //llvm/tools/llvm-ar:llvm-lib(//llvm/utils/gn/build/toolchain:unix)
[15/336] ACTION //llvm/tools/llvm-ar:llvm-dlltool(//llvm/utils/gn/build/toolchain:unix)
[16/336] ACTION //llvm/tools/llvm-ar:llvm-ranlib(//llvm/utils/gn/build/toolchain:unix)
[17/336] LINK ./bin/clang-refactor
[18/336] LINK obj/clang/unittests/Tooling/Syntax/SyntaxTests
[19/336] LINK ./bin/llvm-exegesis
[20/336] LINK obj/clang-tools-extra/unittests/clang-include-fixer/ClangIncludeFixerTests
[21/336] LINK obj/clang/unittests/ASTMatchers/Dynamic/DynamicASTMatchersTests
[22/336] LINK obj/clang/unittests/Analysis/FlowSensitive/ClangAnalysisFlowSensitiveTests
[23/336] LINK obj/clang/unittests/Rewrite/RewriteTests
[24/336] 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'
[25/336] LINK obj/clang/unittests/StaticAnalyzer/StaticAnalysisTests
[26/336] LINK obj/llvm/unittests/DebugInfo/GSYM/DebugInfoGSYMTests
[27/336] LINK obj/llvm/unittests/ExecutionEngine/JITLink/JITLinkTests
[28/336] LINK ./bin/pp-trace
[29/336] LINK ./bin/clang-linker-wrapper
[30/336] LINK obj/clang-tools-extra/unittests/clang-query/ClangQueryTests
[31/336] LINK obj/clang/unittests/Sema/SemaTests
[32/336] LINK obj/clang/unittests/Index/IndexTests
[33/336] LINK obj/clang-tools-extra/unittests/clang-move/ClangMoveTests
[34/336] LINK ./bin/llvm-split
[35/336] LINK obj/clang/unittests/Analysis/Scalable/ClangScalableAnalysisTests
[36/336] LINK obj/clang/unittests/AST/ASTTests
[37/336] LINK obj/clang-tools-extra/unittests/clang-tidy/ClangTidyTests
[38/336] LINK obj/lld/unittests/AsLibELF/LLDAsLibELFTests
[39/336] LINK ./bin/llvm-lto
[40/336] LINK obj/clang/unittests/AST/ByteCode/InterpTests
[41/336] LINK ./bin/clang-sycl-linker
[42/336] LINK ./bin/clang-extdef-mapping
[43/336] LINK ./bin/llvm-c-test
[44/336] LINK ./bin/llc
[45/336] LINK ./bin/modularize
[46/336] LINK obj/llvm/unittests/MC/MCTests
[47/336] LINK obj/clang-tools-extra/unittests/clang-include-fixer/find-all-symbols/FindAllSymbolsTests
[48/336] LINK ./bin/clang-installapi
[49/336] LINK obj/clang/unittests/CrossTU/CrossTUTests
[50/336] LINK obj/lld/unittests/AsLibAll/LLDAsLibAllTests
[51/336] LINK ./bin/llvm-opt-fuzzer
[52/336] SOLINK ./lib/libLTO.so
[53/336] LINK ./bin/opt
[54/336] LINK obj/clang-tools-extra/unittests/clang-doc/ClangDocTests
[55/336] LINK ./bin/llvm-lto2
[56/336] LINK obj/clang/unittests/ASTMatchers/ASTMatchersTests
[57/336] LINK ./bin/lld
[58/336] LINK obj/llvm/unittests/CodeGen/CodeGenTests
[59/336] LINK obj/llvm/unittests/DebugInfo/DWARF/DebugInfoDWARFTests
[60/336] LINK ./bin/llvm-dwp
[61/336] LINK obj/clang/unittests/Serialization/SerializationTests
[62/336] LINK ./bin/clang-nvlink-wrapper
[63/336] LINK obj/llvm/unittests/CodeGen/GlobalISel/GlobalISelTests
[64/336] LINK obj/llvm/unittests/Target/AMDGPU/AMDGPUTests
[65/336] LINK obj/llvm/unittests/Passes/PassBuilderBindings/PassesBindingsTests
[66/336] LINK obj/llvm/unittests/MC/AMDGPU/AMDGPUMCTests
[67/336] LINK ./bin/llvm-reduce
[68/336] LINK ./bin/llvm-dwarfutil
[69/336] LINK ./bin/dsymutil
[70/336] LINK obj/llvm/unittests/MIR/MIRTests
[71/336] LINK obj/llvm/unittests/DebugInfo/LogicalView/DebugInfoLogicalViewTests
[72/336] LINK ./bin/lldb-test
[73/336] LINK obj/llvm/unittests/Target/TargetMachineCTests
[74/336] LINK obj/clang-tools-extra/clangd/unittests/ClangdTests
[75/336] LINK obj/llvm/unittests/MI/MITests
[76/336] LINK obj/clang/unittests/Frontend/FrontendTests
[77/336] LINK obj/clang/unittests/Driver/ClangDriverTests
[78/336] LINK ./bin/clang-check
[79/336] LINK obj/clang/unittests/Interpreter/ExceptionTests/ClangReplInterpreterExceptionTests
[80/336] LINK obj/clang/unittests/Tooling/ToolingTests
[81/336] SOLINK ./lib/libclang.so
[82/336] LINK obj/clang/unittests/Interpreter/ClangReplInterpreterTests
[83/336] LINK ./bin/clang-repl
[84/336] LINK ./bin/lldb
[85/336] LINK ./bin/lldb-dap
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.