missing libgnat-GPL2005.a

[Petr Holub]

> It looks like a bug in gnatmake and/or gnatgcc.  I've built and 
> installed all three versions of gnat from ports, and all three versions 
> install the normative environment library as libgnat.a.  It shouldn't be 
> possible to build too many working programs without correctly linking to 
> libgnat.a, so I'm curious as to what's going wrong to trigger this error.

I think it's combination of gnatmake building shared library
and using gnat project (GPR) for that purpose. I will try to
find out if I can trigger this on some simpler scenario, e.g.
building simple binary using GPR similar to the one used in
XMLAda.

Petr