ninja: Entering directory `out/gn'
[1/8326] CXX obj/llvm/lib/Support/Support.Atomic.o
[2/8326] CXX obj/llvm/lib/Support/Support.Valgrind.o
[3/8326] CXX obj/llvm/lib/Support/Support.Watchdog.o
[4/8326] 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_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_HAS_TERMINAL=1 _LIBCPP_INSTRUMENTED_WITH_ASAN= _LIBCPP_ABI_DEFINES= _LIBCPP_HARDENING_MODE_DEFAULT=_LIBCPP_HARDENING_MODE_NONE _LIBCPP_LIBC_PICOLIBC= _LIBCPP_LIBC_NEWLIB= _LIBCPP_PSTL_BACKEND_LIBDISPATCH= _LIBCPP_PSTL_BACKEND_SERIAL= _LIBCPP_PSTL_BACKEND_STD_THREAD=1 _LIBCPP_ABI_NAMESPACE=__1 _LIBCPP_HAS_TIME_ZONE_DATABASE=1
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 75, in main
    if values[var] == "0":
       ~~~~~~^^^^^
KeyError: '_LIBCPP_LIBC_LLVM_LIBC'
[5/8326] CXX obj/llvm/lib/Support/Support.Errno.o
[6/8326] CC obj/llvm/lib/Support/BLAKE3/BLAKE3.blake3_dispatch.o
[7/8326] CXX obj/llvm/lib/Support/Support.UnicodeNameToCodepointGenerated.o
[8/8326] CXX obj/llvm/lib/Support/Support.SystemUtils.o
[9/8326] CXX obj/llvm/lib/Support/Support.circular_raw_ostream.o
[10/8326] CXX obj/llvm/lib/Support/Support.raw_ostream_proxy.o
[11/8326] CXX obj/llvm/lib/Support/Support.raw_os_ostream.o
[12/8326] CC obj/llvm/lib/Support/Support.regcomp.o
[13/8326] CC obj/llvm/lib/Support/BLAKE3/BLAKE3.blake3.o
[14/8326] CXX obj/llvm/lib/Support/Support.VersionTuple.o
[15/8326] CXX obj/llvm/lib/Support/Support.UnicodeCaseFold.o
[16/8326] CC obj/llvm/lib/Support/BLAKE3/BLAKE3.blake3_portable.o
[17/8326] CXX obj/llvm/lib/Support/Support.Unicode.o
[18/8326] CXX obj/llvm/lib/Support/Support.Twine.o
[19/8326] CXX obj/llvm/lib/Support/Support.xxhash.o
[20/8326] CXX obj/llvm/lib/Support/Support.Z3Solver.o
[21/8326] CXX obj/llvm/lib/Target/Hexagon/TargetInfo/TargetInfo.HexagonTargetInfo.o
[22/8326] CXX obj/llvm/lib/Target/X86/TargetInfo/TargetInfo.X86TargetInfo.o
[23/8326] CXX obj/llvm/lib/Target/NVPTX/TargetInfo/TargetInfo.NVPTXTargetInfo.o
[24/8326] CXX obj/llvm/lib/Support/Support.TextEncoding.o
[25/8326] CXX obj/llvm/lib/Target/RISCV/TargetInfo/TargetInfo.RISCVTargetInfo.o
[26/8326] CXX obj/llvm/lib/Target/BPF/TargetInfo/TargetInfo.BPFTargetInfo.o
[27/8326] CXX obj/llvm/lib/Target/LoongArch/TargetInfo/TargetInfo.LoongArchTargetInfo.o
[28/8326] CXX obj/llvm/lib/Support/Support.VirtualOutputError.o
[29/8326] CXX obj/llvm/lib/Target/SystemZ/TargetInfo/TargetInfo.SystemZTargetInfo.o
[30/8326] CXX obj/llvm/lib/Target/AMDGPU/TargetInfo/TargetInfo.AMDGPUTargetInfo.o
[31/8326] CXX obj/llvm/lib/Target/AArch64/TargetInfo/TargetInfo.AArch64TargetInfo.o
[32/8326] CXX obj/llvm/lib/Target/Sparc/TargetInfo/TargetInfo.SparcTargetInfo.o
[33/8326] CXX obj/llvm/lib/Target/Lanai/TargetInfo/TargetInfo.LanaiTargetInfo.o
[34/8326] CXX obj/llvm/lib/Target/ARM/TargetInfo/TargetInfo.ARMTargetInfo.o
[35/8326] CXX obj/llvm/lib/Target/AVR/TargetInfo/TargetInfo.AVRTargetInfo.o
[36/8326] CXX obj/llvm/lib/Support/Support.DynamicLibrary.o
[37/8326] CXX obj/llvm/lib/Target/PowerPC/TargetInfo/TargetInfo.PowerPCTargetInfo.o
[38/8326] CXX obj/llvm/lib/Target/Mips/TargetInfo/TargetInfo.MipsTargetInfo.o
[39/8326] CXX obj/llvm/lib/Support/Support.ToolOutputFile.o
[40/8326] CXX obj/llvm/lib/Support/Support.VirtualOutputConfig.o
[41/8326] CXX obj/llvm/lib/Telemetry/Telemetry.Telemetry.o
[42/8326] CXX obj/llvm/lib/Support/Support.VirtualOutputBackend.o
[43/8326] CXX obj/llvm/lib/Support/Support.Threading.o
[44/8326] CXX obj/llvm/lib/Support/Support.TarWriter.o
[45/8326] CXX obj/llvm/lib/Support/Support.TrieRawHashMap.o
[46/8326] CXX obj/llvm/lib/Support/Support.VirtualOutputFile.o
[47/8326] CXX obj/llvm/lib/Support/Support.UnicodeNameToCodepoint.o
[48/8326] CXX obj/llvm/lib/Support/Support.Memory.o
[49/8326] CXX obj/llvm/lib/Support/Support.WithColor.o
[50/8326] CXX obj/llvm/lib/Testing/Annotations/Annotations.Annotations.o
[51/8326] CXX obj/llvm/lib/Support/Support.raw_socket_stream.o
[52/8326] CXX obj/llvm/lib/Support/Support.Process.o
[53/8326] CXX obj/llvm/lib/WindowsManifest/WindowsManifest.WindowsManifestMerger.o
[54/8326] CXX obj/llvm/lib/Support/Support.Program.o
[55/8326] CXX obj/llvm/tools/llvm-undname/llvm-undname.llvm-undname.o
[56/8326] CXX obj/llvm/lib/Support/Support.raw_ostream.o
[57/8326] CXX obj/llvm/lib/Support/Support.VirtualOutputBackends.o
[58/8326] CXX obj/llvm/lib/Support/Support.ThreadPool.o
[59/8326] CXX obj/llvm/lib/Testing/Support/Support.SupportHelpers.o
[60/8326] CXX obj/llvm/lib/Support/Support.Timer.o
[61/8326] CXX obj/llvm/lib/Support/Support.YAMLTraits.o
[62/8326] CXX obj/llvm/lib/Support/Support.Signals.o
[63/8326] CXX obj/llvm/lib/Testing/Support/Support.Error.o
[64/8326] CXX obj/llvm/lib/Support/Support.TimeProfiler.o
[65/8326] CXX obj/llvm/lib/Support/Support.Path.o
[66/8326] CXX obj/llvm/lib/Support/Support.YAMLParser.o
[67/8326] CXX obj/llvm/unittests/CAS/CASTests.BuiltinUnifiedCASDatabasesTest.o
[68/8326] CXX obj/llvm/unittests/CAS/CASTests.ActionCacheTest.o
[69/8326] CXX obj/llvm/lib/Support/Support.VirtualFileSystem.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.