language: ruby
rvm:
  - 1.8.7
  - 1.9.3
  - 2.0.0
  - 2.1.0
  - 2.1.1
gemfile:
  - gemfiles/rails3.2_protobuf.gemfile
  - gemfiles/rails3.2_ruby_protobuf.gemfile
  - gemfiles/rails4.0_protobuf.gemfile
  - gemfiles/rails4.0_ruby_protobuf.gemfile
  - gemfiles/rails4.1_protobuf.gemfile
  - gemfiles/rails4.1_ruby_protobuf.gemfile
matrix:
  exclude:
    - rvm: 1.8.7
      gemfile: gemfiles/rails4.0_protobuf.gemfile
    - rvm: 1.8.7
      gemfile: gemfiles/rails4.0_ruby_protobuf.gemfile
    - rvm: 1.8.7
      gemfile: gemfiles/rails4.1_protobuf.gemfile
    - rvm: 1.8.7
      gemfile: gemfiles/rails4.1_ruby_protobuf.gemfile