Re: [gentoo-user] multilib - do I need it?

[Mick]

On Thursday 02 Apr 2015 18:12:40 Francisco Ares wrote:
> Hi,
>
> How does one know previously which packages will require 32 bit ABI ?
>
> I have two systems (among others) to consider: one is very simple, built
> using as fewer packages as possible, it is the development system for an
> embedded equipment, and it is 64 bit ABI only - no multilib;  the other is
> a general purpose workstation, with lots of packages, and someday, by some
> forgotten reason, I needed to install emul-linux-* .
>
> Now I'm willing to change the profile to no-multilib, I have found that a
> lot of packages require to be rebuilt for 32 bit ABI. Is there a way of
> checking which are the packages requiring 32 bit ABI?
>
>
> Thanks,
> Francisco

Portage should ask you to add the abi_x86_32 in the relevant packages' USE 
flags when you run 'emerge @preserve-rebuild -a'

-- 
Regards,
Mick