[fpc-pascal] the libc unit (again)

[Marco van de Voort]

> > Hello,
> >
> > I find more and more units and components (for Lazarus) that are using
> > the libc unit. I find it really problematic, because it doesn't exists
> > for all platforms and architectures, so why not markring the unit as
> > obsolete for the next FPC release so other developers will have to
> > work with more flexible units ?
> 
> Other users will start to submit bug reports that there is no Libc unit.
> We clearly state that libc is only for compatibility and not for portability. The same is with the
> old TP7 units.

We could mark all functions in libc with deprecated. The questions keep
coming back. Harsh, but IMHO the only sane way.