===> Building for ruby32-gdk3-4.2.9
=> Removing backup files of patch before build
WARNING:  description and summary are identical
WARNING:  You have specified rake based extension, but rake is not added as dependency. It is recommended to add rake as a dependency in gemspec since there's no guarantee rake will be already installed.
WARNING:  See https://guides.rubygems.org/specification-reference/ for help
  Successfully built RubyGem
  Name: gdk3
  Version: 4.2.9
  File: gdk3-4.2.9.gem