mxcl/homebrew — pull request #14652 by 2bits (2012-09-02 22:25:32+00:00)
Title: graphicsmagick: disable OpenMP, adjust fails_with

graphicsmagick needs `--disable-openmp` if clang. Add that.
Fixes a link error when it adds an unsupported `-lgomp`.
Update the `fails_with :llvm` because it builds with 2336.11.

Fixes #14638