Looks like some kind of link or something is broken when you try to GIT
gnuradio. The build fails as volk will not build, and the volk sub-
directory is empty. I did successfully GIT volk directly and clone it
to it’s sub-directory in gnuradio, and the build then went fine.
Just throwing that out there so someone can try to fix it or get it
Chris “Gump” Graves