Subject: Re: problem with yacc/lex
To: Jaromír Dolecek <firstname.lastname@example.org>
From: Darren Reed <email@example.com>
Date: 10/23/2000 17:31:38
In some email I received from Jaromír Dolecek, sie wrote:
> Darren Reed wrote:
> > Compiling up some lex/yacc code, I get this:
> > cc1: warnings being treated as errors
> > lex.yy.c:1121: warning: `yyunput' defined but not used
> > *** Error code 1
> > *nowhere* is this function used or called (by my code).
> > I have other lex/yacc files which compile cleanly. I'm
> > at a loss to explain the difference.
> > Clues, anyone ?
> It seems you need to
> #define YY_NO_INPUT
> in your lex source.
So why does it work, some of the time, without that #define there ?