I'm having the same issue. When I try running "haxelib" in the terminal I get "command not found." I was using NME 3.4.0 on Lion without this issue before now, but I downloaded and ran the installer so I could get the newest HXCPP for compiling for Mac (I was having the issue described here:http://www.haxenme.org/community/forums/installing-nme/mountain-lio...
