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From: wojtek@power.com.pl (Wojtek Narczynski)
Newsgroups: comp.lang.ada
Subject: Re: GNAT and no runtime
Date: 27 May 2004 02:40:26 -0700
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Date: 2004-05-27T02:40:26-07:00
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Hello,

> No chance. Even gnat name or gnat chop won't expand them.

I've taken a look at gnatchop, and it would be relatively easy to make
it expand them. gnatchop invokes gcc like this:

wojtek@slooby:~/work/gnatchop/build> /usr/local/bin/gcc -c -x ada
-gnats -gnatu ~/work/rts/adainclude/a-tasatt.adb
Unit Ada.Task_Attributes (body) line 1, file offset 0, file name
a-tasatt.adb

sometimes

wojtek@slooby:~/work/gnatchop/build> /usr/local/bin/gcc -c -x ada
-gnats -gnatu ~/work/rts/adainclude/a-except.ads
Configuration pragmas at line 1, file offset 0
Unit Ada.Exceptions (spec) line 39, file offset 2867, file name
a-except.ads

Filename can be derived from compilation unit name.

> The short names are hard coded into gnat. Any package from Ada.* Interface.*
> GNAT.*  and System.* must use short name.

Fortunately on some platforms there are hard/sym-links! :-)
 
> A total pain in the ass.

I've had too much. I am not yet sure what would be the cleanest way (a
separate tool based on gnatchop, some new gnatchop options, something
else).

By the way, they fixed target dependent names:

http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ada/

Is there any justification, other than tradition, for such cryptic
names?

Regards,
Wojtek