depexts: [
  [ ["mageia"] ["libcairo-devel"] ]
  [ [ "debian"  ] [ "libcairo2-dev" "liblablgtk2-ocaml-dev" ] ]
  [ [ "ubuntu"  ] [ "pkg-config" "libcairo2-dev" "libexpat1-dev" ] ]
  [ [ "centos" ]  [ "cairo" "cairo-devel" "pkgconfig" ] ]
  [ [ "fedora" ] [ "cairo-devel" ] ]
  [ [ "freebsd" ] [ "graphics/cairo" ] ]
  [ [ "openbsd" ] [ "graphics/cairo" ] ]
  [ [ "osx" "homebrew" ] [ "cairo" "pkg-config" ] ]
]
