rvm:
  - 1.8.7
  - 1.9.3
  - jruby
  - rbx
  - 2.0.0
  - ruby-head
env:
  - CHILDPROCESS_POSIX_SPAWN=true
  - CHILDPROCESS_POSIX_SPAWN=false
matrix:
  allow_failures:
    - rvm: jruby
      env: CHILDPROCESS_POSIX_SPAWN=true
    - rvm: rbx
      env: CHILDPROCESS_POSIX_SPAWN=true