Re: Two questions about gpr files

[Stephen Leake <stephen_leake@stephe-leake.org>]

mockturtle <framefritti@gmail.com> writes:

>   (a)  to run on different systems (e.g., Windows, Linux, ...) 
> despite the fact that it needs to access to some system-specific 
> features that are outside the scope of the standard.
>
>   (b)  to use a GTK-based interface, but falling down to a text-based
> one (e.g., ncurses) if GTK is not available at compilation time
>
> <snip>
>
> I looked around the gprbuild documentation, but I was not able to find anything.  I know I could use external variables, such as reading environment variables or use the -X switch, but I would like a solution that works on any OS (OK, most of the commonly used OSes :-) and it requires no special intervention from the user that compiles the code.
>
> Any ideas?

use a Makefile, and or a configure script.

See gnatcoll for detailed ideas.

-- 
-- Stephe