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From: "fw at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c/96284] Outdated C features should be made errors with newer
 standards
Date: Tue, 28 Jul 2020 07:39:18 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D96284

--- Comment #7 from Florian Weimer <fw at gcc dot gnu.org> ---
(In reply to David Brown from comment #6)
> I'm not bothered about my own code - I have makefiles with the relevant
> options set in case I make mistakes.  My hope is for gcc to be able to ha=
ve
> stricter warnings to reduce bugs in code written now and in the future.  =
But
> I understand that it's also important not to cause trouble for existing c=
ode
> and build systems.

The implicit function declaration warning does not seem to be quite enough,=
 it
would help programmers to turn it into an error. But that's what also impac=
ts
configure scripts.=