mxcl/homebrew — pull request #24916 by caseycrites (2013-12-03 21:25:39+00:00)
Title: Fetch protoc if using Mavericks or higher.

Initial installation attempt failed with the following message:

```* Error: Unable to compile sample protobuf file. Try running ./configure with the --fetch protoc option```

Installation after adding the protoc fetch works as it should.