m17-cxx-demod: init at 2.3, add to nixos/openwebrx

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

@@ -22,6 +22,7 @@ in
         digiham
         codec2
         js8call
+        m17-cxx-demod
         alsaUtils
         netcat
       ];

pkgs/applications/radio/m17-cxx-demod/default.nix

@@ -0,0 +1,24 @@
+{ lib, stdenv, fetchFromGitHub, cmake, pkg-config, boost, codec2 }:
+
+stdenv.mkDerivation rec {
+  pname = "m17-cxx-demod";
+  version = "2.3";
+
+  src = fetchFromGitHub {
+    owner = "mobilinkd";
+    repo = pname;
+    rev = "v${version}";
+    hash = "sha256-mvppkFBmmPVqvlqIqrbwGrOBih5zS5sZrV/usEhHiws=";
+  };
+
+  nativeBuildInputs = [ cmake pkg-config ];
+  buildInputs = [ codec2 boost ];
+
+  meta = with lib; {
+    description = "M17 Demodulator in C++";
+    homepage = "https://github.com/mobilinkd/m17-cxx-demod";
+    license = licenses.gpl3Only;
+    platforms = platforms.unix;
+    maintainers = teams.c3d2.members;
+  };
+}

pkgs/top-level/all-packages.nix

@@ -4979,6 +4979,8 @@ with pkgs;
     inherit (gnome) gnome-common;
   };
 
+  m17-cxx-demod = callPackage ../applications/radio/m17-cxx-demod { };
+
   m17n_db = callPackage ../tools/inputmethods/m17n-db { };
 
   m17n_lib = callPackage ../tools/inputmethods/m17n-lib { };