C++ ABI testing issues, gcc-3.3 <-> gcc-3.2 compatibility

[Matthias Klose]

On # Sat, 3 Aug 2002 09:55:42 -0700, H. J. Lu wrote:
> On Sat, Aug 03, 2002 at 12:49:42PM -0400, Jakub Jelinek wrote:
> > On Sat, Aug 03, 2002 at 09:46:57AM -0700, H. J. Lu wrote:
> > > > This begs for the question whether if libstdc++ configured with
> > > > --enable-threads=posix and configured without this are not
> > > > binary compatible, we shouldn't default to
> > >			 ^^^^^^^^^^^^^^^^^
> > > Are you suggesting the current default for Linux is a good thing and
> > > all Linux distributions should do same?
> > 
> > Nope, I'm suggesting
> > --enable-threads=posix --enable-shared --enable-__cxa_atexit
> > to be the default for linux native (or linux targets including cross?).

Agreed. How do other options affect compatibility?

        --with-system-zlib (affects Java only)
        --enable-long-long
        --enable-nls
        --without-included-gettext
        --enable-clocale=gnu
        --enable-c-mbchar