allow running code on older macos version (test)

.github/workflows/build_all.yml

@@ -85,7 +85,7 @@ jobs:
               path: ${{runner.workspace}}/sdrpp_windows_x64.zip
 
     build_macos:
-        runs-on: macos-11
+        runs-on: macos-latest
 
         steps:
         - uses: actions/checkout@v3
@@ -100,29 +100,29 @@ jobs:
           run: brew install pkg-config libusb fftw glfw airspy airspyhf portaudio hackrf libbladerf codec2 zstd autoconf automake libtool && pip3 install mako
 
         - name: Install volk
-          run: git clone --recursive https://github.com/gnuradio/volk && cd volk && mkdir build && cd build && cmake -DCMAKE_BUILD_TYPE=Release .. && make -j3 && sudo make install && cd ../../
+          run: git clone --recursive https://github.com/gnuradio/volk && cd volk && mkdir build && cd build && cmake -DCMAKE_OSX_DEPLOYMENT_TARGET=10.15 -DCMAKE_BUILD_TYPE=Release .. && make -j3 && sudo make install && cd ../../
 
         - name: Install SDRplay API
           run: wget https://www.sdrplay.com/software/SDRplay_RSP_API-MacOSX-3.07.3.pkg && sudo installer -pkg SDRplay_RSP_API-MacOSX-3.07.3.pkg -target /
 
         - name: Install libiio
-          run: wget https://github.com/analogdevicesinc/libiio/archive/refs/tags/v0.25.zip && 7z x v0.25.zip && cd libiio-0.25 && mkdir build && cd build && cmake -DCMAKE_BUILD_TYPE=Release .. && make -j3 && sudo make install && cd ../../
+          run: wget https://github.com/analogdevicesinc/libiio/archive/refs/tags/v0.25.zip && 7z x v0.25.zip && cd libiio-0.25 && mkdir build && cd build && cmake -DCMAKE_OSX_DEPLOYMENT_TARGET=10.15 -DCMAKE_BUILD_TYPE=Release .. && make -j3 && sudo make install && cd ../../
 
         - name: Install libad9361
-          run: git clone https://github.com/analogdevicesinc/libad9361-iio && cd libad9361-iio && mkdir build && cd build && cmake -DCMAKE_BUILD_TYPE=Release .. && make -j3 && sudo make install && cd ../../
+          run: git clone https://github.com/analogdevicesinc/libad9361-iio && cd libad9361-iio && mkdir build && cd build && cmake -DCMAKE_OSX_DEPLOYMENT_TARGET=10.15 -DCMAKE_BUILD_TYPE=Release .. && make -j3 && sudo make install && cd ../../
 
         - name: Install LimeSuite
-          run: git clone https://github.com/myriadrf/LimeSuite && cd LimeSuite && mkdir builddir && cd builddir && cmake -DCMAKE_BUILD_TYPE=Release .. && make -j3 && sudo make install && cd ../../
+          run: git clone https://github.com/myriadrf/LimeSuite && cd LimeSuite && mkdir builddir && cd builddir && cmake -DCMAKE_OSX_DEPLOYMENT_TARGET=10.15 -DCMAKE_BUILD_TYPE=Release .. && make -j3 && sudo make install && cd ../../
 
         - name: Install libperseus
           run: git clone https://github.com/Microtelecom/libperseus-sdr && cd libperseus-sdr && autoreconf -i && ./configure --prefix=/usr/local && make && make install && cd ..
 
         - name: Install more recent librtlsdr
-          run: git clone https://github.com/osmocom/rtl-sdr && cd rtl-sdr && mkdir build && cd build && cmake -DCMAKE_BUILD_TYPE=Release .. && make -j3 LIBRARY_PATH=$(pkg-config --libs-only-L libusb-1.0 | sed 's/\-L//') && sudo make install && cd ../../
+          run: git clone https://github.com/osmocom/rtl-sdr && cd rtl-sdr && mkdir build && cd build && cmake -DCMAKE_OSX_DEPLOYMENT_TARGET=10.15 -DCMAKE_BUILD_TYPE=Release .. && make -j3 LIBRARY_PATH=$(pkg-config --libs-only-L libusb-1.0 | sed 's/\-L//') && sudo make install && cd ../../
 
         - name: Prepare CMake
           working-directory: ${{runner.workspace}}/build
-          run: cmake $GITHUB_WORKSPACE -DOPT_BUILD_PLUTOSDR_SOURCE=ON -DOPT_BUILD_SOAPY_SOURCE=OFF -DOPT_BUILD_BLADERF_SOURCE=ON -DOPT_BUILD_SDRPLAY_SOURCE=ON -DOPT_BUILD_LIMESDR_SOURCE=ON -DOPT_BUILD_AUDIO_SINK=OFF -DOPT_BUILD_PORTAUDIO_SINK=ON -DOPT_BUILD_NEW_PORTAUDIO_SINK=ON -DOPT_BUILD_M17_DECODER=ON -DOPT_BUILD_PERSEUS_SOURCE=ON -DOPT_BUILD_AUDIO_SOURCE=OFF -DUSE_BUNDLE_DEFAULTS=ON -DCMAKE_BUILD_TYPE=Release
+          run: cmake -DCMAKE_OSX_DEPLOYMENT_TARGET=10.15 $GITHUB_WORKSPACE -DOPT_BUILD_PLUTOSDR_SOURCE=ON -DOPT_BUILD_SOAPY_SOURCE=OFF -DOPT_BUILD_BLADERF_SOURCE=ON -DOPT_BUILD_SDRPLAY_SOURCE=ON -DOPT_BUILD_LIMESDR_SOURCE=ON -DOPT_BUILD_AUDIO_SINK=OFF -DOPT_BUILD_PORTAUDIO_SINK=ON -DOPT_BUILD_NEW_PORTAUDIO_SINK=ON -DOPT_BUILD_M17_DECODER=ON -DOPT_BUILD_PERSEUS_SOURCE=ON -DOPT_BUILD_AUDIO_SOURCE=OFF -DUSE_BUNDLE_DEFAULTS=ON -DCMAKE_BUILD_TYPE=Release
 
         - name: Build
           working-directory: ${{runner.workspace}}/build