Unable to use xcodebuild on Mavericks with Command Line Tools installed

Question

I have installed the Command Line Tools:

$ xcode-select --print-path
/Library/Developer/CommandLineTools

However, when anything tries to us

Answer 1

There's also a GUI to change the Command Line Tools path in Xcode > Preferences > Locations:

I just had this issue after upgrading to Xcode 10.3 while keeping an older copy of 10.2.1 in a sub-folder in Applications. When I opened this Locations panel the selection for Command Line Tools was blank, but I was able to choose between the two versions installed:

I tend to go with the GUI option if it's available instead of copying in sudo commands from SO.