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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: Bug in 'gnatmake'
Date: Mon, 17 Jun 2013 19:49:35 +0100
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Date: 2013-06-17T19:49:35+01:00
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Jacob Sparre Andersen <jacob@jacob-sparre.dk> writes:

> Because there is a major error in the design of GNAT.  You have to give
> 'gnatmake' a very specific set of command line flags to turn it into an
> Ada compiler:
>
>    -fstack-check --  Generate stack checking code
>    -gnata        --  Enable assertions
>    -gnatE        --  Dynamic elaboration checking
>    -gnato        --  Overflow checking

Don't use -gnatE unless you really really want your code to be portable
to other compilers. You'd need to expend a lot of extra work to include
pragmas to ensure that elaboration takes place in an appropriate order;
GNAT does this for you if you leave out -gnatE.