ラズパイにemacsをインストールしたい
# install essential build tools
sudo apt-get install build-essential
# get all dependencies of a previous emacs version
# Get source
git clone https://github.com/emacs-mirror/emacs.git
# Go to source and build
cd emacs
./autogen.sh
./configure --without-makeinfo --without-x --with-gnutls=no
make -j4
# Install (optional)
sudo make install