Use libmagick9-dev for the dev libraries on Ubuntu 8.04 and 8.10
Use libmagick9-dev for the dev libraries on Ubuntu 8.04 and 8.10

The package changed to libmagickwand-dev after 8.10.

cookbooks/oc-imagemagick,cookbooks/mc-imagemagick,someara/imagemagick,cookbooks/bg-imagemagick