before_install:
 - sudo apt-get update -qq
 - sudo apt-get install -qq fftw3
language: ruby
rvm:
  - "1.8.7"
  - "1.9.3"
  - "2.0.0"
  - rbx-18mode
  - rbx-19mode
  - ree

before_install:
 - sudo apt-get update -qq
 - sudo apt-get install -qq libfftw3-dev
language: ruby
rvm:
  - "1.8.7"
  - "1.9.3"
  - "2.0.0"
  - rbx-18mode
  - rbx-19mode
  - ree

Use libfftw3-dev to install header.
Use libfftw3-dev to install header.
