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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: Crosspost: Help wanted from comp.compilers
Date: 22 Jul 2003 21:29:00 +0100
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tmoran@acm.org writes:

> > GNAT doesn't exhibit such behavior.
>   I just 'touch'ed a spec file, but made no changes.  I then ran gnatmake
> with the same options as previously.  Lo and behold, Gnat recompiled the
> spec, the body, and the main program that 'with'ed that spec.  So Gnat
> most assuredly does recompile when there might be a change.

If you say "gnatmake -m" it will only recompile for significant
differences (not just layout, comment etc). Great for those of us who
generate code!