ninja: Entering directory `out/gn'
[0/1] Regenerating ninja files
[1/357] AR lib/libfindAllSymbols.a
[2/357] AR lib/libclangMove.a
[3/357] AR lib/libclangTidy.a
[4/357] AR lib/libclangChangeNamespace.a
[5/357] AR lib/liblldbPluginObjCLanguage.a
[6/357] AR lib/libclangIncludeFixer.a
[7/357] AR lib/libclangTidyUtils.a
[8/357] ACTION //bolt/tools/driver:llvm-boltdiff(//llvm/utils/gn/build/toolchain:unix)
[9/357] ACTION //bolt/tools/driver:perf2bolt(//llvm/utils/gn/build/toolchain:unix)
[10/357] AR lib/liblldbPluginSymbolFileDWARF.a
[11/357] AR lib/libclangTidyAbseilModule.a
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[13/357] AR lib/libclangTidyAlteraModule.a
[14/357] AR lib/libclangTidyBoostModule.a
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[16/357] AR lib/libclangTidyDarwinModule.a
[17/357] AR lib/libclangTidyConcurrencyModule.a
[18/357] AR lib/libclangTidyLinuxKernelModule.a
[19/357] AR lib/libclangTidyLLVMLibcModule.a
[20/357] AR lib/libclangTidyObjCModule.a
[21/357] ACTION //llvm/tools/llvm-ar:llvm-dlltool(//llvm/utils/gn/build/toolchain:unix)
[22/357] AR lib/libclangTidyMiscModule.a
[23/357] AR lib/libclangTidyOpenMPModule.a
[24/357] AR lib/libclangTidyPortabilityModule.a
[25/357] AR lib/libclangTidyZirconModule.a
[26/357] AR lib/liblldbPluginTypeSystemClang.a
[27/357] ACTION //llvm/tools/llvm-ar:llvm-ranlib(//llvm/utils/gn/build/toolchain:unix)
[28/357] AR lib/libclangTidyMPIModule.a
[29/357] AR lib/libclangTidyPerformanceModule.a
[30/357] AR lib/liblldbPluginDynamicLoaderMacOSXDYLD.a
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[32/357] AR lib/liblldbPluginCXXItaniumABI.a
[33/357] AR lib/liblldbPluginPlatformPOSIX.a
[34/357] AR lib/liblldbPluginCPlusPlusLanguage.a
[35/357] AR lib/liblldbPluginClangREPL.a
[36/357] AR lib/liblldbPluginProcessMachCore.a
[37/357] AR lib/libclangTidyGoogleModule.a
[38/357] ACTION //llvm/tools/llvm-ml:llvm-ml64(//llvm/utils/gn/build/toolchain:unix)
[39/357] AR lib/liblldbPluginPlatformLinux.a
[40/357] AR lib/libclangTidyLLVMModule.a
[41/357] AR lib/liblldbPluginPlatformMacOSX.a
[42/357] ACTION //llvm/tools/llvm-ar:llvm-lib(//llvm/utils/gn/build/toolchain:unix)
[43/357] AR lib/libclangTidyCERTModule.a
[44/357] AR lib/libclangTidyFuchsiaModule.a
[45/357] 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'
[46/357] AR lib/liblldbPluginProcessGDBRemote.a
[47/357] AR lib/libclangTidyModernizeModule.a
[48/357] LINK obj/llvm/unittests/tools/llvm-exegesis/X86/LLVMExegesisX86Tests
[49/357] LINK obj/llvm/unittests/tools/llvm-exegesis/RISCV/LLVMExegesisRISCVTests
[50/357] LINK obj/clang/unittests/Rewrite/RewriteTests
[51/357] LINK obj/clang/unittests/CrossTU/CrossTUTests
[52/357] LINK obj/clang/unittests/Serialization/SerializationTests
[53/357] LINK ./bin/clang-move
[54/357] LINK obj/clang-tools-extra/unittests/clang-change-namespace/ClangChangeNamespaceTests
[55/357] LINK obj/clang-tools-extra/unittests/clang-include-fixer/find-all-symbols/FindAllSymbolsTests
[56/357] LINK obj/clang/unittests/Index/IndexTests
[57/357] LINK ./bin/clang-diff
[58/357] LINK obj/clang-tools-extra/unittests/clang-move/ClangMoveTests
[59/357] LINK ./bin/clang-include-fixer
[60/357] LINK ./bin/pp-trace
[61/357] LINK ./bin/clang-refactor
[62/357] LINK obj/clang/unittests/AST/ByteCode/InterpTests
[63/357] LINK obj/clang/unittests/ASTMatchers/Dynamic/DynamicASTMatchersTests
[64/357] LINK ./bin/modularize
[65/357] LINK ./bin/clang-scan-deps
[66/357] LINK ./bin/clang-reorder-fields
[67/357] LINK ./bin/clang-installapi
[68/357] LINK ./bin/find-all-symbols
[69/357] LINK obj/clang/unittests/AST/ASTTests
[70/357] LINK obj/clang/unittests/StaticAnalyzer/StaticAnalysisTests
[71/357] LINK obj/clang/unittests/ASTMatchers/ASTMatchersTests
[72/357] LINK obj/clang-tools-extra/unittests/clang-include-fixer/ClangIncludeFixerTests
[73/357] LINK ./bin/clang-change-namespace
[74/357] LINK obj/clang-tools-extra/unittests/clang-doc/ClangDocTests
[75/357] LINK obj/clang/unittests/Tooling/Syntax/SyntaxTests
[76/357] LINK obj/clang/unittests/Analysis/Scalable/ClangScalableAnalysisTests
[77/357] LINK ./bin/lld
[78/357] LINK obj/clang/unittests/Analysis/FlowSensitive/ClangAnalysisFlowSensitiveTests
[79/357] LINK ./bin/clang-extdef-mapping
[80/357] LINK obj/clang-tools-extra/unittests/clang-query/ClangQueryTests
[81/357] LINK obj/clang/unittests/Frontend/FrontendTests
[82/357] LINK obj/clang/unittests/Interpreter/ExceptionTests/ClangReplInterpreterExceptionTests
[83/357] LINK obj/lld/unittests/AsLibAll/LLDAsLibAllTests
[84/357] LINK ./bin/clang
[85/357] LINK obj/clang/unittests/Tooling/ToolingTests
[86/357] SOLINK ./lib/libclang.so
[87/357] LINK ./bin/clang-check
[88/357] LINK obj/clang/unittests/Interpreter/ClangReplInterpreterTests
[89/357] LINK ./bin/clang-repl
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.