This bug was fixed in the package gnuradio - 3.7.5-5ubuntu0.1
--------------- gnuradio (3.7.5-5ubuntu0.1) vivid; urgency=medium
* Don't build-depend on unused libqwtplot3d-qt4-dev (LP: #1476475).
-- Logan Rosen <email address hidden> Fri, 24 Jul 2015 01:01:49 -0400
This bug was fixed in the package gnuradio - 3.7.5-5ubuntu0.1
---------------
gnuradio (3.7.5-5ubuntu0.1) vivid; urgency=medium
* Don't build-depend on unused libqwtplot3d- qt4-dev (LP: #1476475).
-- Logan Rosen <email address hidden> Fri, 24 Jul 2015 01:01:49 -0400