Compatibility between object code of gcc versions

[Andrew Haley]

Lu,Am(Bs Carlos Carneiro Gon,Ag(Balves writes:

 >     I am some old programs compiled in gcc  (“.o”) that I 
 > do not have source code. If I link with others compiled 
 > with gcc 3.2.1 will it work?

Maybe, maybe not.  You'll probably be fine with C code, but the binary
compatibility of C++ code has changed.

Andrew.