To install the binary file of Gabedit under macosx :
1- install X11 if this is not already installed on your mac (see http://guide.macports.org/#installing.x11)
2- install macports (http://www.macports.org/)
3- install gtk2 (not gtk) using macports : port install gtk2
(see http://guide.macports.org)
4- click to gabedit (for run gabedit)
If you want to use Gabedit with firefly, download the submitFF script and put it in Gabedit directory.
Use submitFF for run firefly via Gabedit