%global vs. %define (Re: rpms/clamav/devel clamav.spec,1.10,1.11)

[Ville Skyttä]

On Tue, 2005-03-29 at 18:52 -0500, Enrico Scholz wrote:

> Modified Files:
> 	clamav.spec 
> Log Message:
> use %global instead of %define

I'm probably not the only one wondering what's the difference between
these two.  In what kind of cases does it matter whether one uses one or
the another?  What's the scope of %define, if not global?  Could you
clarify this?