Hi, Thanks for MacRuby, I'm going to follow its development closely. While I wouldn't use Ruby (without static typing) for large-scale development, IMHO, it is my favourite scripting language for those "little jobs", and I'm currently interested in it as an embedded language in my app. Given the interest, I thought I would try creating a mini obj-c project, including the MacRuby framework, to attempt some simple interactions with ruby from obj-c. Accordingly, I created some toy code: - (void)awakeFromNib { ruby_init(); rb_eval_string("puts 'hello world'"); ruby_finalize(); } Running my little app, results in a series of messages of the form" warning: Could not find object file "/private/tmp/trunk/xxxxx.o" - no debug information available for "xxxxx.c" where xxxxx are things like "array", "bignum", "class", "compar", ... etc. The app then crashes with a stack walk back containing a huge number of nested exceptions (it seems). Now, it's quite possible that I'm just not driving this right (to date I've always scripted in Ruby, and never attempted to drive it from C). Equally, I'd imagine that it's possible that the 0.3 version of the framework isn't up to this yet. If I can get past this point, I can see the objective-c interfacing functions in the header file, so things might be peachy from then on :-) Can anyone enlighten me? Cheers Luke