Re: GNAT and no runtime

[Martin Krischik <krischik@users.sourceforge.net>]

Wojtek Narczynski wrote:

> Hello,
> 
>> No chance. Even gnat name or gnat chop won't expand them.
> 
> It turns out that "gnatchop -gnatd4 <internal_filename>" will expand
> filenames, but the result seems to be useless for anything but
> browsing. I get interesting errors(1) if I try to compile them.
> Apparently GNAT uses source filename, not package name to tell, which
> file is internal.
>  
> (1)Like these:
>  unchecked_conversion.ads:20:10: incorrect context for "Intrinsic"
> convention
>  interfaces-c_streams.ads:272:36: non-static constant in preelaborated
> unit
> 
>> The short names are hard coded into gnat. Any package from Ada.*
>> Interface.*
>> GNAT.*  and System.* must use short name.
> 
> If only there were some strings hardcoded! There is much more than
> that.

There seems to be some algorithm. I recently tried to build some extension
to the Ada.* tree for Wide_Characters. GNAT was then telling me exactly
which filename to use for what package.

In the end the hole thing failed. After compiling everything OK, GNAT moaned
about my packages not been part of the predefined Library.

With Regards

Martin

-- 
mailto://krischik@users.sourceforge.net
http://www.ada.krischik.com