tce-load -i intltool glib2-dev ruby [sass]

cd gnome-shell-extensions-3.22.0

sudo gem install sass

CC="gcc -flto -fuse-linker-plugin -mtune=generic -Os -pipe" CXX="g++ -flto -fuse-linker-plugin -mtune=generic -Os -pipe -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local --localstatedir=/var --enable-extensions=all

make
sudo make install