Updated Build OSX (markdown)

Build-OSX.md

@@ -55,3 +55,34 @@ ccliffe$ cpack
 ```
 
 CubicSDR.app should now be built as x64/CubicSDR.app as well as a .DMG bundle (and possibly some other default bundles)
+
+
+Example Support Modules:
+---
+
+SoapyRTLSDR (similar to other Soapy modules):
+```
+sudo port install rtl-sdr
+git clone https://github.com/pothosware/SoapyRTLSDR.git
+cd SoapyRTLSDR
+mkdir build
+cd build
+cmake .. -DCMAKE_BUILD_TYPE=Release
+make
+sudo make install
+SoapySDRUtil --probe
+```
+
+SoapySDRPlay: (though usually latest SoapySDRPlay package will be available from www.sdrplay.com/mac.html)
+```
+git clone https://github.com/pothosware/SoapySDRPlay.git
+cd SoapySDRPlay
+mkdir build
+cd build
+cmake .. -DCMAKE_BUILD_TYPE=Release
+make
+sudo make install
+SoapySDRUtil --probe
+```
+
+- Always ensure to update and build SoapySDR before building dependent projects.