nixos/openwebrx: add codec2, js8call

nixos/modules/services/web-apps/openwebrx.nix

@@ -20,6 +20,8 @@ in
       path = with pkgs; [
         csdr
         digiham
+        codec2
+        js8call
         alsaUtils
         netcat
       ];

pkgs/development/libraries/codec2/default.nix

@@ -13,6 +13,11 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ cmake ];
 
+  # Install a binary that is used by openwebrx
+  postInstall = ''
+    install -Dm0755 src/freedv_rx $out/bin/
+  '';
+
   # Swap keyword order to satisfy SWIG parser
   postFixup = ''
     sed -r -i 's/(\<_Complex)(\s+)(float|double)/\3\2\1/' $out/include/$pname/freedv_api.h