I'm a bit confused. I've installed a bunch of libraries (e.g. vtk, gsl,...) that I need for a c++ project for school. I used homebrew to install them (luckily there were formulas available). My ...
I've got a handle on how to install Xcode 3 and 4 on the same machine (running OS X < 10.7), so I'm looking more how to manage this environment. Rather: is it possible to enter some shell command ...