ninja: Entering directory `out/gn'
[1/409] AR lib/libLLVMAMDGPUUtils.a
[2/409] AR lib/libLLVMVectorize.a
[3/409] AR lib/libLLVMAMDGPUDesc.a
[4/409] AR lib/libLLVMAMDGPUAsmParser.a
[5/409] AR lib/libLLVMAMDGPUTargetMCA.a
[6/409] AR lib/libLLVMAMDGPUDisassembler.a
[7/409] AR lib/libLLVMAMDGPUCodeGen.a
[8/409] 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'
[9/409] LINK ./bin/lli-child-target
[10/409] LINK obj/llvm/unittests/Transforms/Vectorize/SandboxVectorizer/SandboxVectorizerTests
[11/409] LINK obj/llvm/unittests/ExecutionEngine/ExecutionEngineTests
[12/409] LINK obj/llvm/unittests/Transforms/Vectorize/VectorizeTests
[13/409] LINK obj/llvm/unittests/Transforms/IPO/IPOTests
[14/409] LINK ./bin/llvm-link
[15/409] LINK ./bin/llvm-dwarfdump
[16/409] LINK ./bin/sancov
[17/409] LINK ./bin/llvm-debuginfo-analyzer
[18/409] LINK obj/llvm/unittests/tools/llvm-cfi-verify/CFIVerifyTests
[19/409] LINK ./bin/llvm-nm
[20/409] LINK ./bin/llvm-objdump
[21/409] LINK ./bin/llvm-profgen
[22/409] LINK obj/llvm/unittests/Target/ARM/ARMTests
[23/409] LINK ./bin/llvm-cfi-verify
[24/409] LINK obj/llvm/unittests/ExecutionEngine/Orc/OrcJITTests
[25/409] LINK obj/llvm/unittests/tools/llvm-exegesis/Mips/LLVMExegesisMipsTests
[26/409] LINK ./bin/llvm-mca
[27/409] LINK ./bin/llvm-extract
[28/409] LINK obj/llvm/unittests/tools/llvm-exegesis/LLVMExegesisTests
[29/409] LINK ./bin/llvm-jitlink
[30/409] LINK ./bin/lli
[31/409] LINK obj/llvm/unittests/Transforms/Coroutines/CoroTests
[32/409] LINK obj/llvm/unittests/Target/RISCV/RISCVTests
[33/409] LINK ./bin/llvm-libtool-darwin
[34/409] LINK obj/llvm/unittests/tools/llvm-exegesis/RISCV/LLVMExegesisRISCVTests
[35/409] LINK ./bin/llvm-ml
[36/409] LINK obj/llvm/unittests/Transforms/Utils/UtilsTests
[37/409] LINK obj/llvm/unittests/tools/llvm-exegesis/AArch64/LLVMExegesisAArch64Tests
[38/409] LINK obj/llvm/unittests/ExecutionEngine/MCJIT/MCJITTests
[39/409] LINK obj/llvm/unittests/Frontend/LLVMFrontendTests
[40/409] LINK obj/llvm/unittests/Passes/Plugins/PluginsTests
[41/409] LINK obj/llvm/unittests/Target/AArch64/AArch64Tests
[42/409] LINK obj/llvm/unittests/tools/llvm-exegesis/PowerPC/LLVMExegesisPowerPCTests
[43/409] LINK obj/llvm/unittests/Transforms/Instrumentation/InstrumentationTests
[44/409] LINK obj/llvm/unittests/IR/IRTests
[45/409] LINK ./bin/llvm-bolt
[46/409] LINK obj/llvm/unittests/Target/X86/X86Tests
[47/409] LINK obj/llvm/unittests/Analysis/AnalysisTests
[48/409] LINK obj/bolt/unittests/Passes/PassTests
[49/409] LINK obj/llvm/unittests/Transforms/Scalar/ScalarTests
[50/409] LINK obj/llvm/unittests/tools/llvm-exegesis/X86/LLVMExegesisX86Tests
[51/409] LINK ./bin/llvm-bolt-heatmap
[52/409] LINK obj/bolt/unittests/Core/CoreTests
[53/409] LINK ./bin/clang-doc
[54/409] LINK ./bin/clang-scan-deps
[55/409] LINK ./bin/clang-query
[56/409] LINK ./bin/clang-include-fixer
[57/409] LINK ./bin/llvm-ir2vec
[58/409] LINK ./bin/dexp
[59/409] LINK ./bin/llvm-gsymutil
[60/409] LINK obj/clang/unittests/Analysis/ClangAnalysisTests
[61/409] LINK ./bin/clang-import-test
[62/409] LINK ./bin/clang-diff
[63/409] LINK obj/clang-tools-extra/unittests/clang-change-namespace/ClangChangeNamespaceTests
[64/409] LINK ./bin/clang-reorder-fields
[65/409] LINK ./bin/find-all-symbols
[66/409] LINK ./bin/clang-change-namespace
[67/409] LINK ./bin/lldb-server
[68/409] LINK ./bin/llvm-isel-fuzzer
[69/409] LINK ./bin/clang-move
[70/409] LINK obj/clang/unittests/CodeGen/ClangCodeGenTests
[71/409] LINK ./bin/clangd
[72/409] LINK ./bin/clangd-indexer
[73/409] LINK ./bin/clang-tidy
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.