ninja: Entering directory `out/gn'
[1/339] AR lib/liblldbPluginExpressionParserClang.a
[2/339] ACTION //llvm/tools/llvm-ml:llvm-ml64(//llvm/utils/gn/build/toolchain:unix)
[3/339] ACTION //bolt/tools/driver:llvm-boltdiff(//llvm/utils/gn/build/toolchain:unix)
[4/339] ACTION //bolt/tools/driver:perf2bolt(//llvm/utils/gn/build/toolchain:unix)
[5/339] AR lib/liblldbPluginAppleObjCRuntime.a
[6/339] LINK obj/clang/unittests/libclang/CrashTests/libclangCrashTests
[7/339] LINK obj/clang/unittests/libclang/libclangTests
[8/339] AR lib/liblldbPluginObjCLanguage.a
[9/339] AR lib/liblldbPluginSymbolFileDWARF.a
[10/339] AR lib/liblldbPluginTypeSystemClang.a
[11/339] AR lib/liblldbPluginDynamicLoaderMacOSXDYLD.a
[12/339] AR lib/liblldbPluginCXXItaniumABI.a
[13/339] AR lib/liblldbPluginCPlusPlusLanguage.a
[14/339] LINK ./bin/lli-child-target
[15/339] AR lib/liblldbPluginPlatformPOSIX.a
[16/339] AR lib/liblldbPluginPlatformLinux.a
[17/339] LINK obj/llvm/unittests/Transforms/Vectorize/VectorizeTests
[18/339] LINK obj/llvm/unittests/ExecutionEngine/ExecutionEngineTests
[19/339] AR lib/liblldb.a
[20/339] LINK obj/llvm/unittests/CGData/CodeGenDataTests
[21/339] LINK ./bin/llvm-cxxmap
[22/339] LINK ./bin/llvm-cxxdump
[23/339] LINK obj/llvm/unittests/DebugInfo/GSYM/DebugInfoGSYMTests
[24/339] LINK obj/llvm/unittests/Transforms/Vectorize/SandboxVectorizer/SandboxVectorizerTests
[25/339] LINK obj/llvm/unittests/ExecutionEngine/JITLink/JITLinkTests
[26/339] LINK obj/llvm/unittests/Transforms/IPO/IPOTests
[27/339] 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'
[28/339] LINK ./bin/llvm-ar
[29/339] LINK ./bin/llvm-xray
[30/339] LINK ./bin/llvm-rtdyld
[31/339] LINK ./bin/llvm-profgen
[32/339] LINK obj/llvm/unittests/Target/RISCV/RISCVTests
[33/339] LINK ./bin/llvm-extract
[34/339] LINK obj/llvm/unittests/Target/ARM/ARMTests
[35/339] LINK obj/llvm/unittests/MC/MCTests
[36/339] LINK obj/llvm/unittests/Target/AArch64/AArch64Tests
[37/339] LINK obj/llvm/unittests/Transforms/Scalar/ScalarTests
[38/339] LINK obj/llvm/unittests/Passes/Plugins/PluginsTests
[39/339] LINK ./bin/lli
[40/339] LINK obj/llvm/unittests/Transforms/Utils/UtilsTests
[41/339] LINK obj/llvm/unittests/Frontend/LLVMFrontendTests
[42/339] LINK obj/llvm/unittests/tools/llvm-exegesis/LLVMExegesisTests
[43/339] LINK obj/llvm/unittests/Transforms/Instrumentation/InstrumentationTests
[44/339] LINK obj/llvm/unittests/tools/llvm-exegesis/Mips/LLVMExegesisMipsTests
[45/339] LINK ./bin/llvm-exegesis
[46/339] LINK obj/llvm/unittests/Transforms/Coroutines/CoroTests
[47/339] LINK obj/llvm/unittests/tools/llvm-exegesis/X86/LLVMExegesisX86Tests
[48/339] LINK obj/llvm/unittests/ExecutionEngine/MCJIT/MCJITTests
[49/339] LINK obj/llvm/unittests/Passes/PassBuilderBindings/PassesBindingsTests
[50/339] LINK obj/llvm/unittests/tools/llvm-exegesis/AArch64/LLVMExegesisAArch64Tests
[51/339] LINK obj/clang/unittests/Tooling/Syntax/SyntaxTests
[52/339] LINK obj/llvm/unittests/ExecutionEngine/Orc/OrcJITTests
[53/339] LINK obj/clang/unittests/Serialization/SerializationTests
[54/339] LINK ./bin/llc
[55/339] LINK ./bin/llvm-dwp
[56/339] LINK obj/llvm/unittests/IR/IRTests
[57/339] LINK obj/llvm/unittests/Target/X86/X86Tests
[58/339] LINK obj/llvm/unittests/MIR/MIRTests
[59/339] LINK obj/llvm/unittests/tools/llvm-exegesis/PowerPC/LLVMExegesisPowerPCTests
[60/339] LINK obj/llvm/unittests/Analysis/AnalysisTests
[61/339] LINK ./bin/llvm-opt-fuzzer
[62/339] LINK obj/clang/unittests/Rewrite/RewriteTests
[63/339] LINK ./bin/llvm-c-test
[64/339] LINK obj/llvm/unittests/Target/AMDGPU/AMDGPUTests
[65/339] LINK ./bin/c-index-test
[66/339] SOLINK ./lib/libLTO.so
[67/339] LINK ./bin/llvm-dwarfutil
[68/339] LINK obj/llvm/unittests/MC/AMDGPU/AMDGPUMCTests
[69/339] LINK obj/llvm/unittests/Target/TargetMachineCTests
[70/339] LINK obj/llvm/unittests/tools/llvm-exegesis/RISCV/LLVMExegesisRISCVTests
[71/339] LINK obj/lld/unittests/AsLibAll/LLDAsLibAllTests
[72/339] LINK obj/lld/unittests/AsLibELF/LLDAsLibELFTests
[73/339] LINK ./bin/lld
[74/339] LINK ./bin/opt
[75/339] LINK ./bin/dsymutil
[76/339] LINK ./bin/llvm-reduce
[77/339] LINK obj/llvm/unittests/DebugInfo/DWARF/DebugInfoDWARFTests
[78/339] LINK obj/llvm/unittests/MI/MITests
[79/339] LINK obj/llvm/unittests/CodeGen/GlobalISel/GlobalISelTests
[80/339] LINK obj/llvm/unittests/DebugInfo/LogicalView/DebugInfoLogicalViewTests
[81/339] LINK ./bin/llvm-split
[82/339] LINK ./bin/lldb-server
[83/339] LINK obj/llvm/unittests/CodeGen/CodeGenTests
[84/339] LINK obj/clang/unittests/Tooling/ToolingTests
[85/339] LINK ./bin/clang
[86/339] LINK ./bin/lldb-test
[87/339] LINK ./bin/lldb-dap
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.