Re: [gentoo-user] Upgrading to gcc 4.1 , question on recompiling

[Alexander Skwar <listen@alexander.skwar.name>]

Leonardo wrote:

> From what I've understand, different versions of gcc and glibc
> can coexist in the same gentoo system, and all other installed
> programs should have no problem if I choose the new gcc with
> gcc-config.
> 
> Am I right? 

Not quite. The problem is, that the gcc package not only delivers
the gcc compiler package, but also some libraries. Further, gcc
4.1.x compiled programs are not quite compatible with gcc 3.x compiled
programs - that's a problem, when you compile a library with 4.x
and still have 3.x compiled programs around.

> Because I don'want to recompile the whole system with a
> different gcc version

You really should recompile everything when you update to gcc 4.1.x
from 3.x. See the GCC upgrade doc at http://www.gentoo.org/doc/en/gcc-upgrading.xml


Alexander Skwar
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