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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: how to tell gnatmake to send executables to a different directory
 when compiling multi source?
Date: Mon, 30 Jul 2012 12:33:37 +0100
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Date: 2012-07-30T12:33:37+01:00
List-Id: <comp.lang.ada>

Ludovic Brenta <ludovic@ludovic-brenta.org> writes:

> Don't you see how wrong this approach is?
> - The Makefile must call gcc -M to generate the dependencies and store
>   them in a file
> - The Makefile *cannot* include the generated dependency file while it
>   runs
> - therefore you must run make twice: (1) to generate the dependency info
>   and (2) to build using the dependency info.

It's a while since I did this, but I'm pretty sure that (GNU) make knows
that it has to re-read the generated dependency info.