Another C++ ABI change?

[David Tardon]

Hi,

On Fri, Apr 10, 2015 at 08:33:36AM +0200, Jakub Jelinek wrote:
> On Fri, Apr 10, 2015 at 07:26:58AM +0200, Markus Trippelsdorf wrote:
> > On 2015.04.10 at 00:48 +0200, Michael Schwendt wrote:
> > > On Thu, 09 Apr 2015 11:40:17 -0600, Orion Poplawski wrote:
> > > 
> > > > With gcc 5.0.0-0.22.fc23 I'm getting new build failures:
> > > 
> > > > /builddir/build/BUILD/gdl-0.9.5/src/magick_cl.cpp:175: undefined reference to
> > > > `Magick::Image::magick[abi:cxx11]() const'
> > > > 
> > > > Did we just get another set of C++ ABI changes?
> > > 
> > > I would say "yes", since more C++ libs are affected.
> > 
> > Jason added automatic ABI tagging for functions with (e.g.) std::string
> > return type. See: http://thread.gmane.org/gmane.comp.gcc.patches/337867/
> > This not only breaks compatibility with clang, but also with all
> > libraries that were compiled with gcc-5 before this commit. So you have
> > to rebuild them all again.
> 
> There still will be a F23 mass rebuild, so everything will be rebuilt.

That's nice, but meanwhile Rawhide is once again broken.

D.