===> Building for ruby31-opengl-0.60.1nb6
=> Removing backup files of patch before build
WARNING:  licenses is empty, but is recommended.  Use a license identifier from
http://spdx.org/licenses or 'Nonstandard' for a nonstandard license.
WARNING:  deprecated autorequire specified
WARNING:  open-ended dependency on mkrf (>= 0.2.0) is not recommended
  if mkrf is semantically versioned, use:
    add_runtime_dependency 'mkrf', '~> 0.2', '>= 0.2.0'
WARNING:  open-ended dependency on rake (>= 0) is not recommended
  use a bounded requirement, such as '~> x.y'
WARNING:  See https://guides.rubygems.org/specification-reference/ for help
  Successfully built RubyGem
  Name: ruby-opengl
  Version: 0.60.1
  File: ruby-opengl-0.60.1.gem