Cannot compile the DTC itself

David Gibson david at gibson.dropbear.id.au
Fri Apr 3 09:01:34 EST 2009


On Thu, Apr 02, 2009 at 02:46:59PM -0500, Johns Daniel wrote:
> On Thu, Apr 2, 2009 at 2:37 PM, Jon Loeliger <jdl at jdl.com> wrote:
> >> I get similar errors for dtc-v1.1.0 and dtc-v1.2.0:
> >>
> >> ...
> >>          CC dtc-lexer.lex.o
> >> dtc-lexer.lex.c: In function `yylex':
> >> dtc-lexer.lex.c:762: warning: label `find_rule' defined but not used
> >> dtc-lexer.l: At top level:
> >> dtc-lexer.lex.c:1870: warning: 'yy_flex_realloc' defined but not used
> >>          CC dtc-parser.tab.o
> >> dtc-parser.tab.c: In function `yyparse':
> >> dtc-parser.tab.c:1105: warning: implicit declaration of function `YYRHSLOC'
> >> dtc-parser.tab.c:1105: error: request for member `first_line' in
> >
> > What version of flex are you using?
> 
> flex version 2.5.4 (the latest for my Linux distribution)
> 
> > Have you tried to install a recent version of flex?
> 
> No, not yet.
> 
> Thanks for the info! I suspected that, but could not find any evidence
> to support my theory.

Well, the warnings are all in generated code, so it pretty much has to
be something to do with either the flex or bison version.  Actually
the YYRHSLOC warnings suggest to me that it's more likely bison than
flex (or possibly both).

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson



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