g++-3.3.x & g++-2.95.x?
barner at in.tum.de
Sat Jan 24 07:59:24 PST 2004
> If I'd like to use it as standard c/c++ compiler for building ports. Will
> the change in the ABI between gcc-2.95.x and gcc-3.x make things fail
> unless I rebuild all ports that use C++?
If you decide to use gcc-3.3.3 as your standard ports compiler, I'd
definitively recommend to rebuild all your ports from scratch.
IMO, if you try to rebuild only those C++ ports that have linker
problems, you will end up in an unimaginable mess. It's also a good
occasion to get rid of unnecessary ports ;-)
> I've read somewhere about this,
> but I can't find it now. Problem would be that the change in the ABI would
> make old binaries, built with gcc-2.95.x, unable to link with new
> libraries, built with gcc-3.x.
Yes, because they change the name mangling for (virtual?) methods. Be
it as it may, it's not compatible.
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