Re: Conditional files and recompilation

> I have a project which use another one (sub-project). Both projects use
> a conditional file (-gnatep=...)(one conditional file per project).
> 
> I have noticed that each time I build a program from the main project,
> the sub-project is recompiled even if it has not changed (which slows
> down the compilation). If I build all the targets the sub-project is
> recompiled for each target. I never see the "target up-to date message".
> 
> Is it due to the use of conditional files or to another option?

This is really a GNAT question rather than a GPS question.

Arno