ninja: Entering directory `out/gn'
[1/1] Regenerating ninja files
[1/2307] AR lib/libLLVMBOLTPasses.a
[2/2307] STAMP obj/llvm/lib/Target/ARM/AsmParser/ARMGenAsmMatcher.stamp
[3/2307] STAMP obj/llvm/lib/Target/ARM/ARMGenDAGISel.stamp
[4/2307] STAMP obj/llvm/lib/Target/AArch64/AArch64GenDAGISel.stamp
[5/2307] STAMP obj/llvm/lib/Target/AArch64/AArch64GenGlobalISel.stamp
[6/2307] STAMP obj/llvm/lib/Target/AArch64/AArch64GenO0PreLegalizeGICombiner.stamp
[7/2307] STAMP obj/llvm/lib/Target/AArch64/AArch64GenPostLegalizeGICombiner.stamp
[8/2307] AR lib/libLLVMLTO.a
[9/2307] STAMP obj/llvm/lib/Target/AArch64/AArch64GenPostLegalizeGILowering.stamp
[10/2307] STAMP obj/llvm/lib/Target/AArch64/AArch64GenPreLegalizeGICombiner.stamp
[11/2307] STAMP obj/llvm/lib/Target/AArch64/MCTargetDesc/AArch64GenAsmWriter.stamp
[12/2307] STAMP obj/llvm/lib/Target/AArch64/MCTargetDesc/AArch64GenAsmWriter1.stamp
[13/2307] AR lib/libLLVMBOLTProfile.a
[14/2307] STAMP obj/llvm/lib/Target/AArch64/MCTargetDesc/AArch64GenInstrInfo.stamp
[15/2307] STAMP obj/llvm/lib/Target/AArch64/MCTargetDesc/AArch64GenSubtargetInfo.stamp
[16/2307] STAMP obj/llvm/lib/Target/AMDGPU/AMDGPUGenAsmMatcher.stamp
[17/2307] STAMP obj/llvm/lib/Target/AMDGPU/AMDGPUGenDAGISel.stamp
[18/2307] STAMP obj/llvm/lib/Target/AArch64/AsmParser/AArch64GenAsmMatcher.stamp
[19/2307] STAMP obj/llvm/lib/Target/AArch64/MCTargetDesc/AArch64GenMCCodeEmitter.stamp
[20/2307] STAMP obj/llvm/lib/Target/AArch64/Utils/Utils.inputdeps.stamp
[21/2307] STAMP obj/llvm/lib/Target/AArch64/Disassembler/AArch64GenDisassemblerTables.stamp
[22/2307] ACTION //libcxx/include:write_config_site(//llvm/utils/gn/build/toolchain:unix)
FAILED: include/c++/v1/__config_site 
python3 ../../llvm/utils/gn/build/write_cmake_config.py -o include/c++/v1/__config_site ../../libcxx/include/__config_site.in _LIBCPP_ABI_FORCE_ITANIUM= _LIBCPP_ABI_FORCE_MICROSOFT= _LIBCPP_EXTRA_SITE_DEFINES= _LIBCPP_HAS_NO_FILESYSTEM= _LIBCPP_HAS_NO_THREADS= _LIBCPP_HAS_NO_MONOTONIC_CLOCK= _LIBCPP_HAS_MUSL_LIBC= _LIBCPP_HAS_THREAD_API_PTHREAD= _LIBCPP_HAS_THREAD_API_EXTERNAL= _LIBCPP_HAS_THREAD_API_WIN32= _LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS= _LIBCPP_HAS_NO_VENDOR_AVAILABILITY_ANNOTATIONS=1 _LIBCPP_NO_VCRUNTIME= _LIBCPP_TYPEINFO_COMPARISON_IMPLEMENTATION= _LIBCPP_HAS_NO_RANDOM_DEVICE= _LIBCPP_HAS_NO_LOCALIZATION= _LIBCPP_HAS_NO_WIDE_CHARACTERS= _LIBCPP_HAS_NO_STD_MODULES= _LIBCPP_INSTRUMENTED_WITH_ASAN= _LIBCPP_ABI_DEFINES= _LIBCPP_HARDENING_MODE_DEFAULT=_LIBCPP_HARDENING_MODE_NONE _LIBCPP_PSTL_CPU_BACKEND_LIBDISPATCH= _LIBCPP_PSTL_CPU_BACKEND_SERIAL=1 _LIBCPP_PSTL_CPU_BACKEND_THREAD= _LIBCPP_ABI_VERSION= _LIBCPP_ABI_NAMESPACE=__1 _LIBCPP_HAS_NO_TIME_ZONE_DATABASE=
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 90, in main
    if not values[var]:
           ~~~~~~^^^^^
KeyError: '_LIBCPP_PSTL_BACKEND_SERIAL'
[23/2307] STAMP obj/llvm/lib/Target/AArch64/MCTargetDesc/tablegen.stamp
[24/2307] STAMP obj/llvm/lib/Target/AMDGPU/AMDGPUGenGlobalISel.stamp
[25/2307] STAMP obj/llvm/lib/Target/AArch64/MCTargetDesc/MCTargetDesc.inputdeps.stamp
[26/2307] LINK ./bin/clang-apply-replacements
[27/2307] LINK obj/clang-tools-extra/unittests/clang-apply-replacements/ClangApplyReplacementsTests
[28/2307] LINK obj/clang/unittests/Format/FormatTests
[29/2307] LINK ./bin/llvm-bat-dump
[30/2307] LINK obj/bolt/unittests/Profile/ProfileTests
[31/2307] LINK obj/clang-tools-extra/unittests/clang-change-namespace/ClangChangeNamespaceTests
[32/2307] LINK obj/clang/unittests/Lex/LexTests
[33/2307] LINK ./bin/clang-change-namespace
[34/2307] LINK obj/clang/unittests/Rewrite/RewriteTests
[35/2307] LINK ./bin/clang-include-fixer
[36/2307] LINK ./bin/clang-move
[37/2307] LINK ./bin/clang-reorder-fields
[38/2307] LINK obj/clang-tools-extra/unittests/clang-doc/ClangDocTests
[39/2307] LINK ./bin/clang-rename
[40/2307] LINK obj/clang/unittests/Sema/SemaTests
[41/2307] LINK obj/clang-tools-extra/unittests/clang-include-fixer/ClangIncludeFixerTests
[42/2307] LINK obj/clang/unittests/Serialization/SerializationTests
[43/2307] LINK ./bin/clang-doc
[44/2307] LINK obj/clang/unittests/Index/IndexTests
[45/2307] LINK ./bin/arcmt-test
[46/2307] LINK ./bin/modularize
[47/2307] LINK ./bin/diagtool
[48/2307] LINK obj/clang/unittests/ASTMatchers/Dynamic/DynamicASTMatchersTests
[49/2307] LINK ./bin/clang-diff
[50/2307] LINK obj/clang-tools-extra/unittests/clang-move/ClangMoveTests
[51/2307] LINK obj/clang-tools-extra/unittests/clang-include-fixer/find-all-symbols/FindAllSymbolsTests
[52/2307] LINK obj/clang/unittests/Introspection/IntrospectionTests
[53/2307] LINK ./bin/find-all-symbols
[54/2307] LINK obj/clang/unittests/Support/ClangSupportTests
[55/2307] LINK obj/clang/unittests/AST/Interp/InterpTests
[56/2307] LINK obj/clang-tools-extra/unittests/clang-query/ClangQueryTests
[57/2307] LINK ./bin/clang-query
[58/2307] LINK ./bin/clang-refactor
[59/2307] LINK obj/clang/unittests/Analysis/FlowSensitive/ClangAnalysisFlowSensitiveTests
[60/2307] LINK obj/clang/unittests/Rename/ClangRenameTests
[61/2307] LINK obj/clang/unittests/ASTMatchers/ASTMatchersTests
[62/2307] LINK ./bin/clang-installapi
[63/2307] LINK ./bin/pp-trace
[64/2307] LINK obj/clang/unittests/AST/ASTTests
[65/2307] LINK obj/clang/unittests/StaticAnalyzer/StaticAnalysisTests
[66/2307] LINK obj/clang/unittests/Analysis/ClangAnalysisTests
[67/2307] LINK obj/clang-tools-extra/unittests/clang-tidy/ClangTidyTests
[68/2307] CXX obj/llvm/lib/Target/AArch64/Utils/Utils.AArch64BaseInfo.o
[69/2307] CXX obj/bolt/lib/Target/AArch64/AArch64.AArch64MCPlusBuilder.o
[70/2307] CXX obj/bolt/lib/RuntimeLibs/RuntimeLibs.HugifyRuntimeLibrary.o
[71/2307] CXX obj/bolt/lib/RuntimeLibs/RuntimeLibs.InstrumentationRuntimeLibrary.o
[72/2307] CXX obj/lld/wasm/wasm.OutputSegment.o
[73/2307] CXX obj/lld/wasm/wasm.MarkLive.o
[74/2307] CXX obj/lld/wasm/wasm.Relocations.o
[75/2307] CXX obj/lld/wasm/wasm.OutputSections.o
[76/2307] CXX obj/lld/wasm/wasm.InputChunks.o
[77/2307] CXX obj/lld/wasm/wasm.MapFile.o
[78/2307] CXX obj/lld/wasm/wasm.LTO.o
[79/2307] CXX obj/lld/wasm/wasm.Symbols.o
[80/2307] CXX obj/llvm/lib/ExecutionEngine/Orc/Orc.SpeculateAnalyses.o
[81/2307] CXX obj/lld/wasm/wasm.SymbolTable.o
[82/2307] CXX obj/lld/wasm/wasm.InputFiles.o
[83/2307] CXX obj/lld/wasm/wasm.SyntheticSections.o
[84/2307] CXX obj/lld/wasm/wasm.Driver.o
[85/2307] CXX obj/lld/wasm/wasm.Writer.o
[86/2307] CXX obj/clang/lib/CodeGen/CodeGen.CodeGenAction.o
[87/2307] CXX obj/clang/lib/CodeGen/CodeGen.BackendUtil.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.