odr violation around external libs

[David Tardon]

Hi,

On Tue, Dec 23, 2014 at 03:09:20PM +0100, Markus Mohrhard wrote:
> Hey,
> 
> On Tue, Dec 23, 2014 at 9:12 AM, David Tardon <dtardon at redhat.com> wrote:
> 
> > Hi,
> >
> > On Tue, Dec 23, 2014 at 12:09:36AM +0100, Markus Mohrhard wrote:
> > > creating a current asan build shows the following problem:
> > >
> > > ==8921==ERROR: AddressSanitizer: odr-violation (0x2acc613e2cc0):
> > >   [1] size=40 'vtable for WPG1Parser' WPG1Parser.cpp
> > >   [2] size=40 'vtable for WPG1Parser' WPG1Parser.cpp
> > > These globals were registered at these points:
> > >   [1]:
> > > (/srv/crashtestdata/build/instdir/program/libwpftdrawlo.so+0x11e5dd6)
> > >   [2]:
> > > (/srv/crashtestdata/build/instdir/program/libwpftwriterlo.so+0x7d5556)
> >
> > Yes, I see the problem... libwpd and libwpg are mutually dependent:
> > libwpg requires libwpd to parse text formatting in WPG images and libwpd
> > uses libwpg to parse images in WPD documents. So the two of them are
> > always used in pair. And I forgot about them when I changed linking of
> > the other multiply-occuring libraries from static to shared. I will
> > change them too.
> >
> > Is it needed for 4.4 too, or is master enough?
> >
> >
> >
> Currently I only know about master but I can run a build for 4-4 to check
> if the same problem is present.

The problem _is_ present--it has been present since forever. The
question is, do we need to fix it for 4.4 too? :-)

D.