Don't you want to compile universal binaries (-arch i386 -arch x86_64)?  That way you only need one set.

On Sat, Nov 3, 2012 at 7:49 PM, Miller Puckette <msp@ucsd.edu> wrote:
This is strange... I thought i3/5/7 were upwards compatible with older
processors and hence should not need any recompilation at all.  I hope
there's some mistake... otherwise we'd need to make a whole new set of
binaries for everything.

Miller

On Sat, Nov 03, 2012 at 10:47:10PM +0100, Orm Finnendahl wrote:
> Hi list,
>
>  I just found out that some of my custom externals stopped working on
> recent OSX (i5/i7) hardware (pd complains about arch mismatch).
>
> Since I don't own Apple gear I always compiled on a (virtual) OSX
> machine on my linux box. I'd rather avoid having to update the
> virtual box once again to a more recent OSX version, put the XCode
> stuff on it and spend hours after hours just to get a compilation
> environment.
>
> My questions:
>
> - is there any way to make gcc cross compile for OSX on linux?
>
> - is there an extension for i5/i7 and dual-core externals on OSX so
>   that they can co-habitate with each other (similar to the .l_ia64
>   and .l_i386 on linux)?
>
> - is a recompilation for linux i5/i7 hardware also necessary (and
>   what's the extension for that)?
>
> Thanks for any hints,
> Orm
>
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