[xml/sgml-pkgs] Bug#521994: Bug#521994: Bug#521924: wx2.6-headers: Cause compiler errors with glibc 2.9

[Mike Hommey]

On Mon, Mar 30, 2009 at 09:19:14PM -0700, Daniel Schepler wrote:
> On Monday 30 March 2009 19:33:22 Ron wrote:
> > retitle 521924 ATTRIBUTE_PRINTF symbol collision
> > clone 521924 -1 -2
> > reassign -1 libxml2
> > reassign -2 wx2.8-headers
> > thanks
> >
> >
> > Hi Daniel,
> >
> > What makes you think this is a problem with glibc 2.9?
> >
> > AFAICS right now this is most likely caused by something your code has
> > included before the wx headers, which already defined ATTRIBUTE_PRINTF.
> > See wx/defs.h around line 483 for why that would Go Badly.
> >
> > So far as I can see the code there appears to have been gratuitously copied
> > from X11/Xfuncproto.h, with the only modification being to stupidly rip off
> > the leading namespacing from the macro name (or maybe from gcc internals
> > where it appears to be a private symbol).  Grepping my system doesn't find
> > any other header which defines ATTRIBUTE_PRINTF, so please have a look
> > through the code you are compiling (and perhaps its deps) to figure out who
> > is actually defining this.
> 
> Sorry, it looks like you're right.  I had just done a quick grep -r 
> ATTRIBUTE_PRINTF_1 /usr/include and found it in /usr/include/ansidecl.h, which 
> sounded to me like an internal glibc header; and the error had started 
> appearing in multiple packages about the time of the glibc 2.9 upload.  But it 
> turns out ansidecl.h is actually from binutils-dev...
> 
> (And by the way, none of the affected packages are mine.  I just found these 
> problems doing a rebuild of all packages using pbuilder.)

I don't see how libxml2 is affected here... If protects the
ATTRIBUTE_PRINTF definition in a #ifndef.

Mike