gsl-devel build message "file is not of required architecture"

[Owen Solberg]

Hi again,

For the record, I think I found a solution here:
http://developer.apple.com/releasenotes/OpenSource/PerlExtensionsRelNotes/index.html

where you learn that setting

env ARCHFLAGS='-arch i386'

will pass along to gcc this architecture setting.  Apparently Macs 
default build behavior is to try to build both ppc and i386 
architectures... I assume that the gsl-devel is all i386, so that was 
the problem I was running into.

Hope this helps someone else.


Owen Solberg wrote:
> Hi,
> 
> I am trying to build a python project... everything works great when I 
> build it in Linux.
> 
> On Mac OS X 10.5 leopard, with gsl-devel installed using MacPorts, I get 
> this error message when I try my usual "python setup.py build":
> 
> ld: warning in /opt/local/lib/libgsl.dylib, file is not of required
>   architecture
> ld: warning in /opt/local/lib/libgslcblas.dylib, file is not of required
>   architecture