mozilla/rust — pull request #6192 by thestinger (2013-05-02 16:52:24+00:00)
Title: make link_args use spaces as separators

Lots of linking arguments need to be passed as -Wl,--foo so giving the
comma meaning at the rustc layer makes those flags impossible to pass.

Multiple arguments can now be passed from a shell by quoting the
argument: --link-args='-lfoo -Wl,--as-needed'.