ninja: Entering directory `out/gn'
[1/501] AR lib/libclangCodeGen.a
[2/501] AR lib/libclangToolingDependencyScanning.a
[3/501] AR lib/liblldMachO.a
[4/501] AR lib/liblldbPluginDisassemblerLLVMC.a
[5/501] AR lib/libLLVMDTLTO.a
[6/501] AR lib/libLLVMOrcDebugging.a
[7/501] AR lib/libLLVMExegesis.a
[8/501] AR lib/libLLVMOptDriver.a
[9/501] AR lib/libclangFrontendTool.a
[10/501] AR lib/libclangTooling.a
[11/501] AR lib/liblldbPluginExpressionParserClang.a
[12/501] AR lib/libclangInterpreter.a
[13/501] AR lib/libclangChangeNamespace.a
[14/501] AR lib/liblldCOFF.a
[15/501] AR lib/libfindAllSymbols.a
[16/501] AR lib/libclangDoc.a
[17/501] AR lib/libclangTidy.a
[18/501] AR lib/libclangIncludeFixer.a
[19/501] AR lib/libclangMove.a
[20/501] AR lib/liblldELF.a
[21/501] 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'
[22/501] LINK ./bin/lli-child-target
[23/501] LINK ./bin/llvm-cxxmap
[24/501] LINK obj/llvm/unittests/ExecutionEngine/ExecutionEngineTests
[25/501] LINK obj/llvm/unittests/CGData/CodeGenDataTests
[26/501] LINK ./bin/llvm-cxxdump
[27/501] LINK ./bin/llvm-ml
[28/501] LINK ./bin/llvm-lipo
[29/501] LINK ./bin/llvm-xray
[30/501] LINK ./bin/llvm-libtool-darwin
[31/501] LINK ./bin/llvm-mc
[32/501] LINK obj/llvm/unittests/DebugInfo/GSYM/DebugInfoGSYMTests
[33/501] LINK obj/llvm/unittests/ExecutionEngine/JITLink/JITLinkTests
[34/501] LINK obj/clang/unittests/DependencyScanning/ClangDependencyScanningTests
[35/501] LINK ./bin/llvm-jitlink
[36/501] LINK ./bin/llvm-ar
[37/501] LINK obj/llvm/unittests/Target/AArch64/AArch64Tests
[38/501] LINK obj/llvm/unittests/Target/RISCV/RISCVTests
[39/501] LINK ./bin/llvm-rtdyld
[40/501] LINK obj/llvm/unittests/tools/llvm-exegesis/X86/LLVMExegesisX86Tests
[41/501] LINK obj/llvm/unittests/MC/AMDGPU/AMDGPUMCTests
[42/501] LINK obj/llvm/unittests/tools/llvm-exegesis/Mips/LLVMExegesisMipsTests
[43/501] LINK obj/llvm/unittests/Passes/PassBuilderBindings/PassesBindingsTests
[44/501] LINK obj/llvm/unittests/tools/llvm-exegesis/AArch64/LLVMExegesisAArch64Tests
[45/501] LINK obj/llvm/unittests/MC/MCTests
[46/501] LINK obj/llvm/unittests/Target/AMDGPU/AMDGPUTests
[47/501] LINK ./bin/lli
[48/501] LINK ./bin/llvm-c-test
[49/501] LINK obj/bolt/unittests/Passes/PassTests
[50/501] LINK obj/llvm/unittests/ExecutionEngine/Orc/OrcJITTests
[51/501] LINK ./bin/clang-doc
[52/501] LINK ./bin/llvm-dwp
[53/501] LINK ./bin/llvm-ir2vec
[54/501] LINK obj/llvm/unittests/MI/MITests
[55/501] LINK ./bin/llvm-bolt
[56/501] LINK ./bin/clang-change-namespace
[57/501] LINK ./bin/llvm-lto2
[58/501] LINK ./bin/llvm-lto
[59/501] LINK ./bin/dsymutil
[60/501] LINK obj/clang/unittests/CodeGen/ClangCodeGenTests
[61/501] LINK ./bin/llvm-exegesis
[62/501] LINK ./bin/llvm-opt-fuzzer
[63/501] LINK obj/llvm/unittests/CodeGen/CodeGenTests
[64/501] LINK obj/llvm/unittests/DebugInfo/LogicalView/DebugInfoLogicalViewTests
[65/501] LINK ./bin/clang-include-fixer
[66/501] LINK obj/llvm/unittests/Target/TargetMachineCTests
[67/501] LINK ./bin/llvm-isel-fuzzer
[68/501] LINK ./bin/llvm-dwarfutil
[69/501] LINK ./bin/llvm-split
[70/501] LINK ./bin/clang-nvlink-wrapper
[71/501] LINK ./bin/clang-reorder-fields
[72/501] LINK ./bin/find-all-symbols
[73/501] LINK ./bin/clang-linker-wrapper
[74/501] LINK obj/llvm/unittests/MIR/MIRTests
[75/501] LINK ./bin/llc
[76/501] LINK ./bin/llvm-bolt-heatmap
[77/501] LINK obj/bolt/unittests/Core/CoreTests
[78/501] SOLINK ./lib/libLTO.so
[79/501] LINK ./bin/llvm-gsymutil
[80/501] LINK obj/clang/unittests/Driver/ClangDriverTests
[81/501] LINK obj/llvm/unittests/CodeGen/GlobalISel/GlobalISelTests
[82/501] LINK ./bin/opt
[83/501] LINK ./bin/llvm-reduce
[84/501] LINK ./bin/clang-import-test
[85/501] LINK obj/llvm/unittests/DebugInfo/DWARF/DebugInfoDWARFTests
[86/501] LINK ./bin/clang-sycl-linker
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.