Install emacs from source

mkdir /tmp/emacs

cd /tmp/emacs

wget https://ftp.gnu.org/pub/gnu/emacs/emacs-24.4.tar.xz 

tar xvf emacs-24.4.tar.xz 

cd emacs-24.4 

./configure --prefix=/usr        \
            --without-gnutls     \
            --localstatedir=/var &&
make

if make succeeds, you can test the result by running src/emacs -Q 

sudo make install && sudo chown -v -R root:root /usr/share/emacs/24.4

For a desktop launcher:

vim cat <<EOF > /usr/share/applications/emacs.desktop 

[Desktop Entry]
Version=1.0
Name=Emacs-24
Exec=/usr/local/bin/emacs
Terminal=false
Icon=emacs
Type=Application
Categories=IDE
[NewWindow Shortcut Group]
Name=New Window

EOF