Just struck me that the build routine I have made for x86 and amd64 theoretically should work for macosx too.
Personally I don't have access to any mac machines though.
If anyone is interested in trying their hands on setting up nightly builds for macosx, you could contact me and I'll help with the build script and possibly with the hosting.
(if you don't know about the nightly builds, check http://mh.jwp.se )