jdlopez@caminos.recol.es wrote:

>     I am making a program with 2 classes that each one depends on the
>other:
>
>--class1.ads
>with class2;
>package class1 is
>--...
>
>--class2.ads
>withc class1;
>package class2 is
>--...
>
>     When I compile class1.ads or class2.ads with the freeware gnat
>ADA 95 (301a) a error appears:
>
>     circular unit dependency
>
>     I see what is happening but:
>
>1- �Is there any way of solving this?

Put them both in the same package, since neither is useful without the other.
You are attempting to separate the inseparable.