Mac OSX installer for dmd

[Walter Bright]

Michel Fortin wrote:
> As a side note, my D plugin for Xcode expects DMD to be available at 
> /usr/local/bin/{dmd,dmd1,dmd2} and the runtime libraries should be in 
> /usr/local/lib. It won't work if the files can't be found there, 
> although I might change that if an official distribution of DMD installs 
> itself elsewhere.

To me, the biggest problem is deciding where the files should go. There doesn't 
seem to be any consensus or culture in OS X about this.