Re: [PATCH] x86: unify x86 Makefile(s)

Adrian Bunk
2007-12-28T22:13:44Z

On Fri, Dec 28, 2007 at 10:23:41PM +0100, Sam Ravnborg wrote:
>...
> Noteworthy remarks on the unification:
>...
> - -funit-at-a-time should be easy to unify but it looks like we have a bug
> in 32 bit. We only enable -funit-at-a-time for gcc less than 0400 if they
> support it

No, we _dis_able it on 32bit if a gcc < 4.0 supports it.

> (and I recall it is a gcc 4.00 feature). [-lt -> -gt]
>...

unit-at-a-time was introduced in upstream gcc 3.4 and backported to some
popular 3.3 x86_64 branch.

i386 and x86_64 go in exactly opposite directions regarding when to use
unit-at-a-time, but that was intentional and we should keep it that way.

> Sam
>...

cu
Adrian

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