Homebrew/homebrew-science — pull request #306 by jmuncaster (2013-08-19 03:17:16+00:00)
Title: Enable WITH_OPENCL by default if --without-opencl was not specified.

--without-opencl disables OpenCL from build. However, OpenCL is not enabled in the default build, so there doesn't appear to be a way to enable it. This changes the build so that WITH_OPENCL is the default.