To build on Ubuntu you will need the following packages
- pilot-link
- libpisock-dev
- libpisock9
- autopoint
- autoconf
- intltool
- libtool
- libgcrypt20-dev
- libgcrypt20
For J-Pilot versions 1.x you will need:
- libgtk2.0-dev
Likewise, for J-Pilot 2.x you need
- libgtk3.0-cil-dev