Trouble installing libflann1.7-dev on ubuntu

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http://askubuntu.com – I am trying to install libflann1.7-dev I have removed libflann1, so now I have no libflann at all. Next I ran: sudo apt-get install libflann1.7 which installed fine, I then try to install libflann1.7-dev and get the following error: The following packages have unmet dependencies. libflann1.7-dev : Depends: libflann1.7 (= 1.7.1-1+maverick5) but 1.7.1-4 is to be installed E: Unable to correct problems, you have held broken packages. I have no idea why, as I have just installed libflann1.7 but apparently I have version and libflann1.7-dev needs Thanks (HowTos)