The new GNU Radio linkage system seems that has some
issues. There are linkage dependencies that they should
be private on the GNU Radio target.
In addition, find_package(Boost) is also called on the
gnuradio-runtime target. Calling it again in the OOT
module overwrites the existing list of dependencies,
causing many problems.
We are staring a process of dropping Boost and use
the C++11 variants.