On Tue, Apr 21, 2015 at 09:57:16AM +0600, grozin@gentoo.org wrote:
> Hello *,
> 
> There was a bug #526194 - dev-lisp/sbcl does not respect CFLAGS. It was 
> "fixed" by Mark Wright <gienah@gentoo.org> on Jan 31 - Feb 1. However, 
> after this fix the upstream CFLAGS were appended to the user-supplyed 
> ${CFLAGS}. And the upstream CFLAGS contain -O3. So, is a user has, e.g., 
> -O2 in his/her ${CFLAGS}, it was silently replaced by -O3. For some time, 
> nobody noticed this: gcc-4.8 happily compiled the C stuff in sbcl with 
> -O3.

The best fix here would be to ask upstream to stop putting -O3 in their
default CFLAGS.

Thanks,

William