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Re: ylwrap fails with name-prefixed .l file

From: Ralf Wildenhues
Subject: Re: ylwrap fails with name-prefixed .l file
Date: Thu, 26 Mar 2009 07:27:06 +0100
User-agent: Mutt/1.5.18 (2008-05-17)

Hello Jan,

* Jan Engelhardt wrote on Wed, Mar 25, 2009 at 12:08:57AM CET:
> when a scanner.l file contains
>       %option prefix="foo_"
> flex will output to lex.foo_.c instead of lex.yy.c,
> causing ylwrap to fail
>       (automake runs:)
>       /bin/sh ../ylwrap scanner.l lex.yy.c scanner.c -- flex  
> How would one best proceed here? Especially when there are multiple 
> lexers/parsers possible, so just removing %option prefix is likely to 
> end in a link-time "double definition" error.

The Automake manual has a section to describe what to do with multiple
parsers.  Does that not work?


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