I ran the following commands a couple of minutes ago after installing the dependencies. (Except for DOXYGEN_EXECUTABLE, that you'll see me install.) It's failing with the following message under the *Scanning dependencies of target imbe_vocoder*. [ 54%] Building CXX object op25/gr-op25_repeater/lib/imbe_vocoder/CMakeFiles/imbe_vocoder.dir/pitch_est.cc.o /*home/dygear/op25/op25/gr-op25_repeater/lib/imbe_vocoder/pitch_est.cc:60:1: error:* narrowing conversion of ‘*32970*’ from ‘*int*’ to ‘*Word16 {aka short int}*’ inside { } [*-Wnarrowing*] *}*; *^* ... Many many errors snipped from output ... */home/dygear/op25/op25/gr-op25_repeater/lib/imbe_vocoder/pitch_est.cc:60:1: error:* narrowing conversion of ‘*39626*’ from ‘*int*’ to ‘*Word16 {aka short int}*’ inside { } [*-Wnarrowing*] make[2]: *** [op25/gr-op25_repeater/lib/imbe_vocoder/CMakeFiles/imbe_vocoder.dir/build.make:327: op25/gr-op25_repeater/lib/imbe_vocoder/CMakeFiles/imbe_vocoder.dir/pitch_est.cc.o] Error 1 make[1]: *** [CMakeFiles/Makefile2:581: op25/gr-op25_repeater/lib/imbe_vocoder/CMakeFiles/imbe_vocoder.dir/all] Error 2 make: *** [Makefile:128: all] Error 2 Attached is the whole command set. -- Thank you for your time, Mark 'Dygear' Tomlin;