Compile gcc from source on a 64 bit OS ?

[Dennis Clarke]

> Hsieh, Pei-Ying (MED US) writes:
>
>  > I need to compile gcc from source on a 64 bit linux OS (Ubuntu and
>  > OpenSuSE).
>
> x86_64, I guess.
>
>  > After scanning through the installation procedures and manual, it
>  > is not clear to me how to do this on a 64 bit OS (default seems to
>  > be for 32 bit OS, using -m32).  It will be highly appreciated if
>  > you can shed some light on this.  Thanks!
>
> It's usually configure, make, make install.  Debian-derived distros
> have some patches because they put 64-bit libraries in /lib instead of
> /lib64, which is where the standard says they should be.

what standard ?  An ISO or OpenGroup document somewhere ?

Dennis