libfirehose: Undefined symbols for architecture arm64

[johnothwolo]

On linking I get this

ld: warning: ignoring file /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.13.sdk/usr/local/lib/kernel/libfirehose_kernel.a, file was built for archive which is not the architecture being linked (arm64): /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.13.sdk/usr/local/lib/kernel/libfirehose_kernel.a
undef: ___firehose_buffer_tracepoint_flush
undef: ___firehose_buffer_create
undef: ___firehose_buffer_tracepoint_reserve
undef: ___firehose_merge_updates
Undefined symbols for architecture arm64:
  "___firehose_buffer_tracepoint_flush", referenced from:
      __firehose_trace in lto.o
  "___firehose_buffer_create", referenced from:
      _oslog_init in lto.o
  "___firehose_buffer_tracepoint_reserve", referenced from:
      __firehose_trace in lto.o
  "___firehose_merge_updates", referenced from:
      _oslogioctl in lto.o
ld: symbol(s) not found for architecture arm64
make: *** [all] Error 2