Subject: Re: Sysinst 1.6.2 doesn't work on PB 150
To: None <port-mac68k@netbsd.org>
From: Joshua Coombs <jcoombs@gwi.net>
List: port-mac68k
Date: 03/07/2004 12:33:27
> >One suggestion...
> >
> >First change from -O2 to -Os, that way you get all optimizations
> >that do not increase binary size.
>
> Thanks a lot :)
>       Where (how) can I know what does this '-Os' mean?
>
>
> Bruce O'Neel's 1.6.2 binary set for FPU-less '030s is running now
> on my LCIII+ and Duo 230 nicely. The kernel(/netbsd) size is
1400KB.
> It works with 6MB RAM.
> (I can't find out 1MB 72pin SIMM in my junkbox, so 5MB has not
been
> tested.)
>      For example;   1.6ZK (GENERIC) = 2736KB
>                             1.6.2  (GENERIC) = 2424KB
>
> I'll try to make a kernel with -Os.
>
> Regards,
> Kazu Inanaga

The GCC man page should list it along with the definitions for other
optimization levels.  Thats where I found it when researching ways
to tweak out my 386.

Joshua C