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From: Ludovic Brenta <ludovic@ludovic-brenta.org>
Newsgroups: comp.lang.ada
Subject: Re: GNAT/GCC and -fstack-check
Date: Tue, 26 Oct 2010 20:19:11 +0200
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Date: 2010-10-26T20:19:11+02:00
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Yannick Duchêne writes on comp.lang.ada
> Le Mon, 25 Oct 2010 22:15:21 +0200, Yannick Duchêne (Hibou57)
> <yannick_duchene@yahoo.fr> a écrit:
>
> By the way, the GNAT documentation about stack analysis and handling
> seems a bit outdated. It talks about an “-fstack-usage” option, which
> does not  seems to be recognized (gnatmake complains “invalid switch:
> -fstack-usage”). Some web-talks about this option strictly concerning
> GCC  says it is not neither supported by GCC anymore.

I suggest you report this as a documentation bug.

> I am talking about this option, because I attempted to use it to check
> if something is really wrong with the stack.
> 
> Note that I did not get the error from “-fstack-check” with the GCC
> 3.x of GNAT 2010.

That would be 4.3.x, of course.  And the error from "-fstack-check"
depends on a complex set of conditions.

-- 
Ludovic Brenta.