Building Aquamacs from the Git repository

You’ll need to have Apple’s developer tools installed.


Ensure you have a recent version of Git installed. Then:

  git clone git://
  cd aquamacs-emacs


To build Aquamacs, ensure you have

Change to the source directory and just do


which will result in an Aquamacs in nextstep/

The manual version: “make install”, which will compile incrementally. Alternatively, to build Aquamacs and just copy the new Aquamacs binary into the .app bundle, you may use “make”. This will not update the Lisp files in the bundle.

That’s it!

Note: the binary that you’ve just build will only run on your machine, with the same or better OS X version, and the same CPU architecture!

Switching to GNU Emacs

  git checkout emacs25