Re: [Discuss-gnuradio] GRC Fails to Display QT/WX Elements

[Sean Nowlan]

On 06/21/2013 09:56 AM, Tom Rondeau wrote:
> The only thing that comes to mind is a problem we had with something 
> else that seems to be a result of using GCC 4.7. I always just use 4.6 
> to that I can build and use ControlPort. If someone who is having 
> these problems can tell me if they are using 4.7 or not, that'd be 
> great. Also, if you are using 4.7, could you move back to using 4.6 
> and rebuild GNU Radio with that and see if that fixes things? You can 
> apt-get install {gcc-4.6, g++-4.6} and then symlink /usr/bin/gcc-4.6 
> to /usr/local/bin/{gcc,cc} and /usr/bin/g++ /usr/local/bin/{g++,c++}. 
> Tom _______________________________________________ Discuss-gnuradio 
> mailing list address@hidden 
> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio 

On a Ubuntu system I find it easier to pass cmake the following to use 
GCC 4.6 instead of messing around with symlinks:

cd ~/gnuradio/build
cmake -DCMAKE_CXX_COMPILER=g++-4.6 -DCMAKE_C_COMPILER=gcc-4.6 
-DENABLE_GR_CTRLPORT=ON ../

--sean