dev-dotnet/gtk-sharp:3 dev-libs/libgudev virtual/udev dev-dotnet/gtk-sharp:3 dev-libs/libgudev virtual/udev 0 https://github.com/mono/gudev-sharp/releases/download/3.0.0/gudev-sharp-3.0.tar.gz https://github.com/mono/gudev-sharp LGPL-2.1 GUDEV API C# binding ~amd64 mono-env virtual/pkgconfig 7 install setup