When users on this OS attempt to accept the EULA, it forces them to scroll to the bottom so that the Accept button will "light up," but it never does—Even though they've bottomed out the scroll bar.
xcode-select --install worked with version 2333, failed with version 2003. So, try xcode-select --install and if that does not work download as described below.
In early February 2014 xcode-select --install has been reporting that "Can't install the software because it is not currently available from the Software Update server". In late February 2014 the command started only displaying help. The solution is to download directly, see "Separate Download" below.