Re: [Rd] Using \u2030 in plot axis label -> stack smashing

From: Peter Dalgaard <>
Date: Tue 19 Sep 2006 - 12:23:54 GMT

Prof Brian Ripley <> writes:

> > Thanks Prof. Ripley and Ei-Ji. I should have mentioned that all the
> > versions I reported for were self-compiled, and I did so with the same
> > set of flags as the FC5 rpm. Will add that to the list in my head of
> > things to report.
> (I think this is probably FC5's flags being over-zealous, but Ei-ji
> Nakama may know better.)

Probably not all that over-zealous. If you're smashing the stack you're smashing the stack. It's not always fatal, but worth fixing.

I actually have the same set of standard FC5 flags in Without them, we risk Fedora Extra to come out with issues that we missed, since they use those flags as a matter of policy.  

> >> BTW, just applying this patch will not work: you need to rebuild gram.c
> >> in maintainer mode.
> >
> > I'm not clear what you mean by maintainer mode - not something I have
> > come across before. If I update the local source on my machine from the
> > svn server, and make clean, configure and make again, will this be
> > sufficient? Or do I need to do something else?
> Yes, now. Before the patch was applied you need to configure with
> --enable-maintainer-mode.

I.e., if the maintainers have done their job maintaining things, they will have ensured that gram.c was built from gram.y and non-maintainers need to do nothing further. If you play with gram.y, you need make sure rebuilding takes place, most easily by configuring in maintainer-mode.

The fundamental issue is that there are some build tools we don't want to assume that everybody has (here: YACC/Bison), and also that build times don't usually survive SVN checkouts, so gram.y may well appear to be more recent than gram.c.

   O__  ---- Peter Dalgaard             ุster Farimagsgade 5, Entr.B
  c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
 (*) \(*) -- University of Copenhagen   Denmark          Ph:  (+45) 35327918
~~~~~~~~~~ - (                  FAX: (+45) 35327907

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