maddox/magick-installer — pull request #33 by sdossick (2012-04-07 00:06:40+00:00)
Title: Disable OpenCL support

This patch disables OpenCL support when compiling ImageMagick, as keeping it enabled causes the RMagick ruby gem to be unable to compile on Lion.

I am not sure of the exact issue, but disabling OpenCL makes RMagick happily compile and install.