E.g. when running `./pybombs install pocsag-mrt` (gnuradio has been built already beforehand):
```
packages to install: ['gnuradio', 'gr-as', 'gr-extras', 'pocsag-mrt']
install called (gnuradio)
inst…
Hi, I was wondering if you could help with some compile errors. I'm attempting to compile this on a raspberry pi. libzmq1, libzmq-dev version 2.2.0
$ ./build.sh
Building scanner
scanner.c: In functi…