Re: webkit will not build with bison 2.4

[George Sherwood]

On Wed, 19 Nov 2008 02:08:58 -0500 (EST)
"Joel E. Denny" <address@hidden> wrote:

> On Tue, 18 Nov 2008, George Sherwood wrote:
> 
> > > I have reported a bug with the webkit developers, but thought
> > > maybe you would have a fix, so I can continue building webkit
> > > nightly builds and have bison 2.4 installed.  Webkit build fine
> > > with bison 2.3.
> > > 
> > > It fails very early in the build with this error:
> 
> > > WebCore/css/CSSGrammar.y:348.11-20: symbol maybe_sgml redefined
> > > make:
> 
> > 334 maybe_sgml:
> > 335     /* empty */
> > 336   | maybe_sgml SGML_CD
> > 337   | maybe_sgml WHITESPACE
> > 338   ;
> 
> > 346 closing_brace:
> > 347     '}'
> > 348   | %prec maybe_sgml TOKEN_EOF
> > 349   ;
> 
> The argument of %prec must be a token.  maybe_sgml is a nonterminal.  
> Bison 2.3 ignored this error.  Bison 2.3b and later complain about it.
> 
> I can't tell for sure what the webkit developers intended here, but 
> removing maybe_sgml from line 348 should make Bison stop complaining.
> 

Thanks.  Unfortunately it isn't going to be that easy.  Removing
maybe_sgml from 348 results in an error also.

/usr/bin/bison -d -p cssyy WebCore/css/CSSGrammar.y
-o ./DerivedSources/CSSGrammar.cpp 
WebCore/css/CSSGrammar.y: conflicts:105 shift/reduce, 6 reduce/reduce 
WebCore/css/CSSGrammar.y: expected 48 shift/reduce conflicts
WebCore/css/CSSGrammar.y: expected 0 reduce/reduce conflicts 
make: *** [DerivedSources/CSSGrammar.cpp] Error 1


I will add this information to the webkit bug.

-- 
George Sherwood
Source Mage GNU/Linux Lead Developer
http://www.sourcemage.org

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