Trying out emacs from brew. Here is the output:

    $ brew install emacs
    ==> Downloading https://homebrew.bintray.com/bottles/emacs-24.4.yosemite.bottle.3.tar.gz
    ######################################################################## 100.0%
    ==> Pouring emacs-24.4.yosemite.bottle.3.tar.gz
    ==> Caveats
    To have launchd start emacs at login:
        ln -sfv /usr/local/opt/emacs/*.plist ~/Library/LaunchAgents
    Then to load emacs now:
        launchctl load ~/Library/LaunchAgents/homebrew.mxcl.emacs.plist
    ==> Summary
    🍺  /usr/local/Cellar/emacs/24.4: 3914 files, 104M