bsdtar: xz threads support disabled

[Stefan Ehmann]

On 11/24/18 9:47 AM, Stefan Ehmann wrote:
> Is there any reason why bsdtar is built without XZ multi-threading support?
> 
> It's not documented in the man page, so maybe it's an experimental feature.
> 
> Can be tested with this command:
> tar -Jcf /dev/null --options xz:threads=4 $HOME
> 
> After setting HAVE_LZMA_STREAM_ENCODER_MT, it works as expected:

PR created:

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=233543