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From: =?utf-8?Q?Dag-Erling_Sm=C3=B8rgrav?= <des@des.no>
To: "David E. O'Brien" <obrien@FreeBSD.org>
Subject: Re: svn commit: r254626 - stable/9/usr.bin/yacc
References: <201308212257.r7LMvUmY053608@svn.freebsd.org>
Date: Thu, 22 Aug 2013 10:12:39 +0200
In-Reply-To: <201308212257.r7LMvUmY053608@svn.freebsd.org> (David E. O'Brien's
 message of "Wed, 21 Aug 2013 22:57:30 +0000 (UTC)")
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"David E. O'Brien" <obrien@FreeBSD.org> writes:
> Log:
>   Provide a prototype for yyparse() so that "-Werror" along with stringent
>   -W* warnings can be used on byacc's output.

This breaks the build in usr.bin/expr because expr.y already provides a
prototype, and gcc does not accept multiple prototypes, even if they're
identical.  That is arguably a bug in gcc, but in the meantime, it
should be fixed either by reverting this commit or removing the extra
prototype in expr.y.

DES
--=20
Dag-Erling Sm=C3=B8rgrav - des@des.no