ok seems ok now, There seems to be kind of a mess with dependecies checking/testing stuff, it wouldn't finish compiling and was failing tests (using same set up pre3 compiled and worked on) until I installed imlib2-id3tag-loader package which took a while to figure out and was really a shot in the dark for me :/ otherwise the program helped me quantify some sound data from a recording quite successfully and I'm very happy it exists!
still like this in July 2018, compiled from source, make install doesn't put piper-vamp-simple-server, and vamp-plugin-load-checker in /usr/local/bin (or wherever) version sonic-visualiser-3.1pre3 this doesn't look good to me Makefile.sv line 791: cp checker/vamp-plugin-load-checker .
I am going to have this on a computer that is dedicated to EPROM burning, I don't...