On Aug 31, 2015, at 7:48 AM, Andrew Long wrote: > :info:configure dyld: Library not loaded: /opt/local/lib/libncurses.5.dylib > :info:configure Referenced from: /opt/local/lib/libreadline.6.dylib You upgraded ncurses to version 6, but did not also update readline so that it is rebuilt against ncurses 6. Run "sudo port upgrade readline".