Web page for binaries

[Gerald Pfeifer]

Hi FX,

On Tue, 2 May 2017, FX wrote:
> IΒ’m suggesting we apply the following patch to provide links to macOS 
> package managers, where users can download binaries for GCC on macOS. I 
> have included the two major ones, Homebrew and MacPorts.

did you mean to send this to gcc-patches@ ?

The change looks fine to me, but note that this page (like all of
our installation instructions) is generated from gcc/doc/install.texi.

Gerald