ninja: Entering directory `out/gn'
[1/9711] CXX obj/llvm/lib/Support/Support.ExtensibleRTTI.o
[2/9711] 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_ABI_VERSION=1 _LIBCPP_ASSERTION_SEMANTIC_DEFAULT=_LIBCPP_ASSERTION_SEMANTIC_HARDENING_DEPENDENT _LIBCPP_EXTRA_SITE_DEFINES= _LIBCPP_HAS_FILESYSTEM=1 _LIBCPP_HAS_THREADS=1 _LIBCPP_HAS_MONOTONIC_CLOCK=1 _LIBCPP_HAS_MUSL_LIBC= _LIBCPP_HAS_THREAD_API_C11= _LIBCPP_HAS_THREAD_API_PTHREAD= _LIBCPP_HAS_THREAD_API_EXTERNAL= _LIBCPP_HAS_THREAD_API_WIN32= _LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS= _LIBCPP_HAS_VENDOR_AVAILABILITY_ANNOTATIONS= _LIBCPP_NO_VCRUNTIME= _LIBCPP_TYPEINFO_COMPARISON_IMPLEMENTATION= _LIBCPP_HAS_RANDOM_DEVICE=1 _LIBCPP_HAS_LOCALIZATION=1 _LIBCPP_HAS_UNICODE=1 _LIBCPP_HAS_WIDE_CHARACTERS=1 _LIBCPP_INSTRUMENTED_WITH_ASAN= _LIBCPP_ABI_DEFINES= _LIBCPP_HARDENING_MODE_DEFAULT=_LIBCPP_HARDENING_MODE_NONE _LIBCPP_LIBC_PICOLIBC= _LIBCPP_LIBC_NEWLIB= _LIBCPP_LIBC_LLVM_LIBC= _LIBCPP_PSTL_BACKEND_LIBDISPATCH= _LIBCPP_PSTL_BACKEND_SERIAL= _LIBCPP_PSTL_BACKEND_STATPART= _LIBCPP_PSTL_BACKEND_STD_THREAD=1 _LIBCPP_ABI_NAMESPACE=__1 _LIBCPP_ABI_NAMESPACE_LEN=3 _LIBCPP_HAS_TIME_ZONE_DATABASE=1
unused values args:
    _LIBCPP_PSTL_BACKEND_STD_THREAD
    _LIBCPP_PSTL_BACKEND_SERIAL
    _LIBCPP_PSTL_BACKEND_LIBDISPATCH
    _LIBCPP_PSTL_BACKEND_STATPART
[3/9711] CXX obj/llvm/lib/Support/Support.MemAlloc.o
[4/9711] CXX obj/llvm/lib/Support/Support.ProgramStack.o
[5/9711] CXX obj/llvm/lib/Support/Support.MathExtras.o
[6/9711] CXX obj/llvm/lib/Support/Support.Locale.o
[7/9711] CXX obj/llvm/lib/Support/Support.IntEqClasses.o
[8/9711] CXX obj/llvm/lib/Support/Support.Optional.o
[9/9711] CXX obj/llvm/lib/Support/Support.LEB128.o
[10/9711] CXX obj/llvm/lib/Support/Support.RISCVAttributes.o
[11/9711] CXX obj/llvm/lib/Support/Support.HexagonAttributes.o
[12/9711] CXX obj/llvm/lib/Support/Support.MemoryBufferRef.o
[13/9711] CXX obj/llvm/lib/Support/Support.InstructionCost.o
[14/9711] CXX obj/llvm/lib/Support/Support.Signposts.o
[15/9711] CXX obj/llvm/lib/Support/Support.MSP430Attributes.o
[16/9711] CXX obj/llvm/lib/Support/Support.OptionStrCmp.o
[17/9711] CXX obj/llvm/lib/Support/Support.ELFAttributes.o
[18/9711] CXX obj/llvm/lib/Support/Support.IntervalMap.o
[19/9711] CXX obj/llvm/lib/Support/Support.DynamicAPInt.o
[20/9711] CXX obj/llvm/lib/Support/Support.FormattedStream.o
[21/9711] CXX obj/llvm/lib/Support/Support.RewriteBuffer.o
[22/9711] CXX obj/llvm/lib/Support/Support.LineIterator.o
[23/9711] CXX obj/llvm/lib/Support/Support.PrettyStackTrace.o
[24/9711] CXX obj/llvm/lib/Support/Support.ManagedStatic.o
[25/9711] CXX obj/llvm/lib/Support/Support.FoldingSet.o
[26/9711] CXX obj/llvm/lib/Support/Support.RWMutex.o
[27/9711] CXX obj/llvm/lib/Support/Support.PluginLoader.o
[28/9711] CXX obj/llvm/lib/Support/Support.SHA1.o
[29/9711] CXX obj/llvm/lib/Support/Support.FloatingPointMode.o
[30/9711] CXX obj/llvm/lib/Support/Support.RISCVISAUtils.o
[31/9711] CXX obj/llvm/lib/Support/Support.PGOOptions.o
[32/9711] CXX obj/llvm/lib/Support/Support.Regex.o
[33/9711] CXX obj/llvm/lib/Support/Support.OptimizedStructLayout.o
[34/9711] CXX obj/llvm/lib/Support/Support.RewriteRope.o
[35/9711] CXX obj/llvm/lib/Support/Support.InitLLVM.o
[36/9711] CXX obj/llvm/lib/Support/Support.HexagonAttributeParser.o
[37/9711] CXX obj/llvm/lib/Support/Support.SlowDynamicAPInt.o
[38/9711] CXX obj/llvm/lib/Support/Support.MD5.o
[39/9711] CXX obj/llvm/lib/Support/Support.MSP430AttributeParser.o
[40/9711] CXX obj/llvm/lib/Support/Support.SipHash.o
[41/9711] CXX obj/llvm/lib/Support/Support.ModRef.o
[42/9711] CXX obj/llvm/lib/Support/Support.NativeFormatting.o
[43/9711] CXX obj/llvm/lib/Support/Support.IntegerInclusiveInterval.o
[44/9711] CXX obj/llvm/lib/Support/Support.RISCVAttributeParser.o
[45/9711] CXX obj/llvm/lib/Support/Support.ExponentialBackoff.o
[46/9711] CXX obj/llvm/lib/Support/Support.FormatVariadic.o
[47/9711] CXX obj/llvm/lib/Support/Support.ScaledNumber.o
[48/9711] CXX obj/llvm/lib/Support/Support.SHA256.o
[49/9711] CXX obj/llvm/lib/Support/Support.ErrorHandling.o
[50/9711] CXX obj/llvm/lib/Support/Support.FileOutputBuffer.o
[51/9711] CXX obj/llvm/lib/Support/Support.Jobserver.o
[52/9711] CXX obj/llvm/lib/Support/Support.Error.o
[53/9711] CXX obj/llvm/lib/Support/Support.MemoryBuffer.o
[54/9711] CXX obj/llvm/lib/Support/Support.KnownFPClass.o
[55/9711] CXX obj/llvm/lib/Support/Support.LockFileManager.o
[56/9711] CXX obj/llvm/lib/Support/Support.RandomNumberGenerator.o
[57/9711] CXX obj/llvm/lib/Support/Support.GraphWriter.o
[58/9711] CXX obj/llvm/lib/Support/Support.GlobPattern.o
[59/9711] CXX obj/llvm/lib/Support/Support.FileUtilities.o
[60/9711] CXX obj/llvm/lib/Support/Support.FileCollector.o
[61/9711] CXX obj/llvm/lib/Support/Support.Parallel.o
[62/9711] CXX obj/llvm/lib/Support/Support.ELFAttrParserExtended.o
[63/9711] CXX obj/llvm/lib/Support/Support.ELFAttrParserCompact.o
[64/9711] CXX obj/llvm/lib/Support/Support.ScopedPrinter.o
[65/9711] CXX obj/llvm/lib/Support/Support.KnownBits.o
[66/9711] CXX obj/llvm/lib/Support/Support.Mustache.o
[67/9711] CXX obj/llvm/lib/Support/Support.JSON.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.