From: Julian Raschke Date: 2007-11-08T01:23:43+09:00 Subject: Re: OS X gems do not appear in install list (Leopard) > I'm betting that the gem needs to be built as a "Universal Binary" to > work with Leopard's built-in Ruby. Or something similar. It is a precompiled Universal Binary (built with SWIG and Xcode), and works as expected when installed. I'd guess gem doesn't even check the binary format, or the platform string, because it shows all the win32 gems. Do you know any precompiled binary gems that I could take a look at to check for differences? Julian