Installing Octopress (and Ruby via RVM) on a Lion box that has Xcode 4.2
Installing the latest Ruby via RVM on a Mac running OS X Lion and which has Xcode 4.2.x installed isn't as straightforward as it should be. This simple guide should help.
The problem is that there are apparently issues with installing the dependencies on a box running Lion with Xcode 4.2. The following solution worked for me. I hacked it together from that StackOverflow thread as well as the Octopress Setup Guide:
Installing the latest Ruby via RVM on a Mac running OS X Lion and which has Xcode 4.2.x installed isn't as straightforward as it should be. This simple guide should help.
Since libusb is a simple library, installing it manually isn't difficult and the files you need are already in the libusb.pkg file. To install them:
Workaround for a small snag I ran into trying to install libusb while following Mac|Life's instructions for downgrading my iPhone to 3.1.3.
The instructions on Google's installation page for PIL are incorrect.