Bug#1002119: gr-fcdproplus: FTBFS: ./obj-x86_64-linux-gnu/CMakeFiles/CMakeTmp/src.c:11: undefined reference to `pthread_create'

[peter green <plugwash@p10link.net>]

> Relevant part (hopefully):
> > /usr/bin/ld: CMakeFiles/cmTC_d6505.dir/src.c.o: in function `main':
> > ./obj-x86_64-linux-gnu/CMakeFiles/CMakeTmp/src.c:11: undefined reference to `pthread_create'
> > /usr/bin/ld: ./obj-x86_64-linux-gnu/CMakeFiles/CMakeTmp/src.c:12: undefined reference to `pthread_detach'
> > /usr/bin/ld: ./obj-x86_64-linux-gnu/CMakeFiles/CMakeTmp/src.c:13: undefined reference to `pthread_cancel'
> > /usr/bin/ld: ./obj-x86_64-linux-gnu/CMakeFiles/CMakeTmp/src.c:14: undefined reference to `pthread_join'
> > collect2: error: ld returned 1 exit status

I belive that is a red herring, autotools/cmake logs often contain errors like that from where
they are trying multiple techniques to find/use pthreads.

I belive the real errors are further up the log.

> CMake Error at cmake/Modules/GrSwig.cmake:146 (set_target_properties):
>   set_target_properties Can not find target to add properties to:
>   fcdproplus_swig
> Call Stack (most recent call first):
>   swig/CMakeLists.txt:41 (GR_SWIG_MAKE)
>
>
> CMake Error at cmake/Modules/GrSwig.cmake:167 (install):
>   install TARGETS given target "fcdproplus_swig" which does not exist.
> Call Stack (most recent call first):
>   swig/CMakeLists.txt:46 (GR_SWIG_INSTALL)
>
>
> CMake Error: File /<<PKGBUILDDIR>>/docs/doxygen/DOXY_FILE_PATH-NOTFOUND/Doxyfile.in does not exist.
> CMake Error at docs/doxygen/CMakeLists.txt:33 (configure_file):
>   configure_file Problem configuring file

Not that I have any idea how to fix it.