mxcl/homebrew — pull request #12547 by fd (2012-06-01 08:21:47+00:00)
Title: go: Allow building the cross-compilers and runtime support for other platforms.

When the `--cross-compile` option is used the following runtimes will be build:

- darwin (386, amd64; with CGO)
- linux (386, amd64, arm)
- freebsd (386, amd64)
- openbsd (386, amd64)
- plan9 (386)
- windows (386, amd64)