Attempt to install Qt on OS X gives ‘You need to install Xcode 5.0.0’, but this version is so old it’s not available
I ran into the same problem and solved it by following the instructions here. This link describes a similar, but slightly different installer issue. To summarize, you need to ensure that the Xcode command line tools are installed and set up correctly. I already had them installed, but had to go into Preferences -> Locations … Read more