Re: Bison i18n patches installed

[Bruno Haible]

Paul Eggert wrote:
> > Re: Bison i18n patches installed
> > yet-another patch needed in yacc.c?
> > See comment on alloca below from:
> > GNU gettext library from gettext-0.14.5
> >
> > file: gettext-runtime/intl/plural.y
> > ...
> > /* The bison generated parser uses alloca.  AIX 3 forces us to put this
> >    declaration at the beginning of the file.  The declaration in bison's
> >    skeleton file comes too late.  This must come before <config.h>
> >    because <config.h> may include arbitrary system headers.  */
> > #if defined _AIX && !defined __GNUC__
> >  #pragma alloca
> > #endif
>
> This comment in plural.y applies only to older versions of Bison.
> Starting with Bison 2.0, Bison-generated C parsers do not use alloca
> unless you ask for it (by defining YYSTACK_USE_ALLOCA to a nonzero
> value), and plural.y doesn't ask for it.  I assume that gettext is
> intended to be portable to older versions of Bison, which is why that
> comment is still there.

Yes, that's it. I'm now adding a comment there regarding bison >= 2.0.

Bruno