NixOS/nixpkgs — pull request #810 by offlinehacker (2013-08-08 17:46:04+00:00)
Title: curl: Add support for c-ares, asynchronous dns resolver

This adds support for c-ares resolver for curl, but does not enable it by default, because a lot of packages gets recompiled and i'm not sure if it's goof to enable this by default.