On Thu, 21 Feb 2008 13:53:56 +0000 (UTC), James <[EMAIL PROTECTED]>
wrote:
> Hello,
> 
> 
> Current  CFLAGS="-O2 -march=i686 -pipe"
> 
> 
> I want to add "-fomit-frame-pointer" to my
> CFLAGS on an existing system that has been running
> for months.
> 
> 
> Is this safe or do I have to rebuild everything with
> somelike "emerge -e" ?
> 
> 
> Should it be avoided completely?
> 
> James
> 
> 
> 
> 
> --
> gentoo-user@lists.gentoo.org mailing list

Compile glibc with USE="glibc-omitfp" to use -fomit-frame-pointer more
extensively. 

Question: Why are you using -march=i686 and some more optimized one? Which
processor (type and family) so you have?

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