Comment # 11 on bug 1110294 from Marco Varlese

(In reply to Jan Engelhardt from comment #9)
> Gee, thanks for pointing out vpp is a silly piece that ignores the job count
> inherited from rpmbuild, and - now that I can reproduce that error - also
> broke dependencies bigtime.
Well, not sure if "silly" is an appropriate word for it.
Its build-system simply tries to be smart enough to detect how many cores there
are available. Having said that, the same build-system allows the end-user to
change that by using the env variable MAKE_PARALLEL_JOBS.
> 
> Despite
> 
>  libvnet_la_LIBADD += libvnet_avx2.la
> 
> the make call does not build avx2 first.
> 
> $ make libvnet.la
>   CCLD     libvnet.la
> libtool:   error: cannot find the library 'libvnet_avx2.la' or unhandled
> argument 'libvnet_avx2.la'
> 
> So that's a dead give away.
> Find my patch in SR 639646.