It should compile against the vectorize library from apple. Don’t you have
/usr/lib/libclas.dylib on that machine?

Francois
> On 13/12/2014, at 02:16, kcrisman <[email protected]> wrote:
> 
> 35ae4fd Trac #16706: Update IML to 1.0.4
> 
> 
> Turns out something here broke compilation on some Macs.  Here's what I 
> reported at the ticket (can continue conversation here):
> 
> On an old Mac (slightly newer than my usual test machine, but still OS X 10.4 
> PPC) iml bails out with complaining about not having ATLAS 3.0 or greater.  
> These built Sage 6.4.beta6 fine (other than rpy2) so it must be something 
> about this upgrade that changes it - I assume iml always asked for that, see 
> for instance [https://groups.google.com/forum/#!topic/sage-forum/sHwJyMp7Wmo 
> this nearly 8-year-old discussion]!
> 
> Could it possibly be the removal of
> {{{
> --with-atlas-include="`pwd`" --with-atlas-lib=/usr/lib
> }}}
> Reading http://web.mit.edu/sage/export/iml-1.0.2/config/atlas-check.m4 
> certainly seems to indicate so.  Not sure why it would work on newer Macs; in 
> general 
> 
> Even though in general we will have to drop easy support for that old of a 
> machine because gcc 4.0.1 won't compile gcc 4.9.x (you'd think it would have 
> made sense for gcc to number it 5.0 when they changed the language they wrote 
> it in!), I do want to make one final binary for Sage 6.4.1 at least, so I 
> would appreciate any assistance.  We don't need a new ticket, I don't think, 
> though I don't know if this would break other people's builds who want to use 
> their own ATLAS to avoid compiling Sage's.
> 
> - kcrisman
> 
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