> I pretty much gave up on running GnuRadio on MacOS and installed in a > Parallels Ubuntu VM instead.
Yeah, I am considering doing that too. Actually, I am running GNURadio on anther Mac box with the Ubuntu.OS. That works ok, but it’s a little slow, since it’s an older Mac (2011 iMac). That’s why I was trying to install GNRadio on a newer (2019 iMac) to see if I could get better performance. I may have to put Ubuntu on that machine also, if I want to run GNURadio.