ninja: Entering directory `out/gn'
[0/1] Regenerating ninja files
[1/437] 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'
[2/437] CXX obj/llvm/lib/Target/ARM/MCTargetDesc/MCTargetDesc.ARMMachORelocationInfo.o
[3/437] CXX obj/llvm/lib/Target/ARM/Utils/Utils.ARMBaseInfo.o
[4/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMRegisterInfo.o
[5/437] CXX obj/llvm/lib/Target/ARM/MCTargetDesc/MCTargetDesc.ARMInstPrinter.o
[6/437] CXX obj/llvm/lib/Target/ARM/MCTargetDesc/MCTargetDesc.ARMELFObjectWriter.o
[7/437] CXX obj/llvm/lib/Target/ARM/MCTargetDesc/MCTargetDesc.ARMWinCOFFStreamer.o
[8/437] CXX obj/llvm/lib/Target/ARM/MCTargetDesc/MCTargetDesc.ARMTargetStreamer.o
[9/437] CXX obj/llvm/lib/Target/ARM/MCTargetDesc/MCTargetDesc.ARMMachObjectWriter.o
[10/437] CXX obj/llvm/lib/Target/ARM/MCTargetDesc/MCTargetDesc.ARMAsmBackend.o
[11/437] CXX obj/llvm/lib/Target/ARM/MCTargetDesc/MCTargetDesc.ARMELFStreamer.o
[12/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMOptimizeBarriersPass.o
[13/437] CXX obj/llvm/lib/Target/ARM/MCTargetDesc/MCTargetDesc.ARMMCTargetDesc.o
[14/437] CXX obj/llvm/lib/Target/ARM/MCTargetDesc/MCTargetDesc.ARMMCCodeEmitter.o
[15/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMBasicBlockInfo.o
[16/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMBranchTargets.o
[17/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.MVEVPTBlockPass.o
[18/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMRegisterBankInfo.o
[19/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.Thumb2InstrInfo.o
[20/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMCallingConv.o
[21/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.A15SDOptimizer.o
[22/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMHazardRecognizer.o
[23/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMLegalizerInfo.o
[24/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMInstrInfo.o
[25/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMBlockPlacement.o
[26/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.Thumb2ITBlockPass.o
[27/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMMachineFunctionInfo.o
[28/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMMacroFusion.o
[29/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMMCInstLower.o
[30/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMTargetObjectFile.o
[31/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMFixCortexA57AES1742098Pass.o
[32/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.MVELaneInterleavingPass.o
[33/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.Thumb2SizeReduction.o
[34/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMCallLowering.o
[35/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.MLxExpansionPass.o
[36/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.Thumb1InstrInfo.o
[37/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ThumbRegisterInfo.o
[38/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMSelectionDAGInfo.o
[39/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMLatencyMutations.o
[40/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMBaseRegisterInfo.o
[41/437] CXX obj/llvm/unittests/Target/ARM/ARMTests.MachineInstrTest.o
[42/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.MVETPAndVPTOptimisationsPass.o
[43/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.Thumb1FrameLowering.o
[44/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMSLSHardening.o
[45/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMLowOverheadLoops.o
[46/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.MVEGatherScatterLowering.o
[47/437] CXX obj/llvm/unittests/Target/ARM/ARMTests.InstSizes.o
[48/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMExpandPseudoInsts.o
[49/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMSubtarget.o
[50/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMParallelDSP.o
[51/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMConstantIslandPass.o
[52/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.MVETailPredication.o
[53/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMAsmPrinter.o
[54/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMFrameLowering.o
[55/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMFastISel.o
[56/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMLoadStoreOptimizer.o
[57/437] CXX obj/llvm/lib/Target/ARM/Disassembler/Disassembler.ARMDisassembler.o
[58/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMInstructionSelector.o
[59/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMTargetMachine.o
[60/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMISelDAGToDAG.o
[61/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMTargetTransformInfo.o
[62/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMBaseInstrInfo.o
[63/437] CXX obj/llvm/lib/Target/ARM/AsmParser/AsmParser.ARMAsmParser.o
[64/437] CXX obj/llvm/lib/Target/ARM/LLVMARMCodeGen.ARMISelLowering.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.