Hey, I already did what Ian suggested an prepared a sample front-end for gcc based on the code of treelang. I tested it with 4.4.0, but you could try it with your version. Check this out: http://www.andihellmund.com/wp-content/uploads/2009/09/SFE.skeleton.tar.gz Hope that helps ... Andi Ian Lance Taylor wrote: > Greicy.Costa-Marques@xxxxxxx writes: > > >> No, the config-lang.in is there... >> > > I'm sorry that suggestion didn't help. Now you must follow my other > advice: > > >>> If you want to add a frontend, please be prepared to study the code >>> and the existing frontends to figure out what is required. >>> > > Ian > >