More fixes

.github/workflows/build_all.yml

@@ -90,7 +90,7 @@ jobs:
           run: brew install fftw glew glfw airspy airspyhf portaudio hackrf rtl-sdr libbladerf codec2
 
         - name: Install volk
-          run: git clone https://github.com/gnuradio/volk && cd volk && mkdir build && cd build && cmake .. && make && sudo make install && cd ../../
+          run: git clone --recursive https://github.com/gnuradio/volk && cd volk && mkdir build && cd build && cmake .. && make && sudo make install && cd ../../
 
         - name: Prepare CMake
           working-directory: ${{runner.workspace}}/build