Re: [gentoo-server] Changing CFLAGS

[Rob Baxter]

If you changed the processor type or processor flags for the CFLAG 
variable, emerge -e world will recompile everything with those new 
flags. As far as I know, that is the best way to do it. Use Lance's 
example for USE changes.

Rob

Karl Zander wrote:

> If I make changes to CFLAGS  in make.conf do I have re-compile
> everything with the new CFLAGS ?
>
>     emerge -e world
>
> Or can the existing packages use the CFLAGS they were compiled with
> and when I update packages or add new packages they would use the new
> CFLAGS.  Will Gentoo become unstable if mixed CFLAGS are used?   Same
> with USE....if I change USE flags will that cause harm to existing
> packages?
>
> On the first Gentoo system I set up a few month ago I did not
> understand what CFLAGS and USE flags were all about so I did not
> change any of the defaults.  I would like to go back to adjust things
> now.
>
> -Karl
>