ninja: Entering directory `out/gn'
[0/1] Regenerating ninja files
[1/328] AR lib/liblldELF.a
[2/328] ACTION //bolt/tools/driver:llvm-boltdiff(//llvm/utils/gn/build/toolchain:unix)
[3/328] ACTION //bolt/tools/driver:perf2bolt(//llvm/utils/gn/build/toolchain:unix)
[4/328] LINK obj/clang/unittests/libclang/CrashTests/libclangCrashTests
[5/328] LINK obj/clang/unittests/libclang/libclangTests
[6/328] LINK obj/llvm/unittests/DWARFLinkerParallel/DWARFLinkerParallelTests
[7/328] LINK obj/llvm/unittests/MC/SystemZ/SystemZAsmLexerTests
[8/328] LINK ./bin/llvm-cxxmap
[9/328] LINK obj/llvm/unittests/MC/X86/X86MCTests
[10/328] LINK obj/llvm/unittests/CGData/CodeGenDataTests
[11/328] LINK ./bin/llvm-cxxdump
[12/328] LINK ./bin/llvm-objdump
[13/328] 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'
[14/328] LINK ./bin/llvm-debuginfo-analyzer
[15/328] LINK ./bin/llvm-cfi-verify
[16/328] LINK ./bin/sancov
[17/328] LINK obj/llvm/unittests/Target/LoongArch/LoongArchTests
[18/328] LINK obj/llvm/unittests/ExecutionEngine/JITLink/JITLinkTests
[19/328] ACTION //llvm/tools/llvm-objdump:llvm-otool(//llvm/utils/gn/build/toolchain:unix)
[20/328] LINK obj/llvm/unittests/Target/RISCV/RISCVTests
[21/328] LINK obj/llvm/unittests/DebugInfo/GSYM/DebugInfoGSYMTests
[22/328] LINK ./bin/lli
[23/328] LINK obj/llvm/unittests/tools/llvm-cfi-verify/CFIVerifyTests
[24/328] LINK ./bin/llvm-ar
[25/328] LINK ./bin/llvm-rtdyld
[26/328] LINK obj/llvm/unittests/Target/ARM/ARMTests
[27/328] LINK obj/llvm/unittests/Target/WebAssembly/WebAssemblyTests
[28/328] LINK ./bin/llvm-ml
[29/328] LINK ./bin/llvm-profgen
[30/328] LINK ./bin/llvm-xray
[31/328] LINK obj/llvm/unittests/ExecutionEngine/Orc/OrcJITTests
[32/328] LINK obj/llvm/unittests/MC/MCTests
[33/328] LINK obj/llvm/unittests/Target/PowerPC/PowerPCTests
[34/328] LINK obj/llvm/unittests/tools/llvm-exegesis/PowerPC/LLVMExegesisPowerPCTests
[35/328] LINK ./bin/llvm-exegesis
[36/328] LINK obj/llvm/unittests/Passes/PassBuilderBindings/PassesBindingsTests
[37/328] LINK obj/llvm/unittests/Target/AArch64/AArch64Tests
[38/328] LINK ./bin/c-index-test
[39/328] LINK obj/clang-tools-extra/unittests/clang-doc/ClangDocTests
[40/328] LINK ./bin/lldb-server
[41/328] LINK obj/llvm/unittests/tools/llvm-mca/LLVMMCATests
[42/328] LINK obj/llvm/unittests/Target/AMDGPU/AMDGPUTests
[43/328] LINK obj/llvm/unittests/tools/llvm-exegesis/Mips/LLVMExegesisMipsTests
[44/328] LINK obj/llvm/unittests/tools/llvm-exegesis/AArch64/LLVMExegesisAArch64Tests
[45/328] LINK obj/llvm/unittests/ExecutionEngine/MCJIT/MCJITTests
[46/328] LINK ./bin/llvm-c-test
[47/328] LINK ./bin/llvm-dwarfutil
[48/328] LINK obj/llvm/unittests/Target/TargetMachineCTests
[49/328] LINK obj/llvm/unittests/Target/X86/X86Tests
[50/328] LINK obj/llvm/unittests/MC/AMDGPU/AMDGPUMCTests
[51/328] LINK ./bin/llvm-reduce
[52/328] LINK obj/llvm/unittests/tools/llvm-exegesis/RISCV/LLVMExegesisRISCVTests
[53/328] LINK obj/llvm/unittests/tools/llvm-exegesis/X86/LLVMExegesisX86Tests
[54/328] LINK ./bin/llvm-gsymutil
[55/328] LINK ./bin/dsymutil
[56/328] LINK ./bin/opt
[57/328] LINK obj/llvm/unittests/MI/MITests
[58/328] LINK obj/llvm/unittests/CodeGen/GlobalISel/GlobalISelTests
[59/328] LINK ./bin/llc
[60/328] LINK obj/lld/unittests/AsLibAll/LLDAsLibAllTests
[61/328] LINK obj/llvm/unittests/MIR/MIRTests
[62/328] LINK obj/llvm/unittests/DebugInfo/LogicalView/DebugInfoLogicalViewTests
[63/328] SOLINK ./lib/libLTO.so
[64/328] LINK obj/llvm/unittests/DebugInfo/DWARF/DebugInfoDWARFTests
[65/328] LINK ./bin/lld
[66/328] LINK ./bin/llvm-opt-fuzzer
[67/328] LINK ./bin/llvm-dwp
[68/328] LINK obj/lld/unittests/AsLibELF/LLDAsLibELFTests
[69/328] LINK ./bin/llvm-split
[70/328] LINK obj/clang/unittests/Interpreter/ExceptionTests/ClangReplInterpreterExceptionTests
[71/328] LINK obj/clang/unittests/Interpreter/ClangReplInterpreterTests
[72/328] LINK ./bin/lldb-dap
[73/328] LINK obj/llvm/unittests/CodeGen/CodeGenTests
[74/328] LINK obj/clang/unittests/Tooling/ToolingTests
[75/328] LINK ./bin/clang
[76/328] LINK ./bin/lldb-test
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.