I just tried r.resamp.interp with my 3/8 svn build (Tiger and Leopard) in the spearfish data (elevation.10m). OK here. Was the build working right after you built it, or is this the first chance you had to test it?
-----
William Kyngesburye <kyngchaos*at*kyngchaos*dot*com>
http://www.kyngchaos.com/
First Pogril: Why is life like sticking your head in a bucket filled with hyena offal?
Second Pogril: I don't know. Why IS life like sticking your head in a bucket filled with hyena offal?
First Pogril: I don't know either. Wretched, isn't it?
-HitchHiker's Guide to the Galaxy