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Re: Bug#190399: Bug#246547: amd64 support for glibc 2.3.2.ds1-14

On Thu, Jul 08, 2004 at 08:19:04PM +0200, Andreas Jochens wrote:
> On 04-Jul-08 18:48, Colin Watson wrote:
> > The rest of Debian probably won't be doing this for sarge. The C++ ABI
> > transition is difficult and requires library package renaming; I
> > recommend staying with g++ 3.3, even if it's a little painful.
> Is there really a C++ ABI change from gcc-3.3 to gcc-3.4?
> I just read http://gcc.gnu.org/gcc-3.4/changes.html and there seems 
> to be only a very small ABI change for MIPS and SPARC 
> which affects functions with aggregate parameters, i.e struct or 
> union parameters (_not_ pointers to structs or unions). I do not know 
> many libraries which have such functions (e.g. 'void f(struct s x)').
> Please point me to the relevant documents which describe in which way 
> the C++ ABI has changed in gcc-3.4.

I don't know if there is an actual ABI change but what it accepts is
more strict so it could break building packages, whether it breaks
binary compatibility though is another question.


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