Homebrew/homebrew-versions — pull request #98 by durka (2013-04-11 22:19:30+00:00)
Title: download gcc-4.8.0.tar.bz2 using --disable-epsv

I was trying to install gcc48 and curl kept freezing. I discovered that adding --disable-epsv made it not freeze, so I hacked that into the gcc48 formula. I'm not sure if this is the correct solution.