Installing rainbow lollipop

Debian (Jessie) / Ubuntu (> 15.04)

# apt-get install libgtk-3-dev libgee-0.8-dev libclutter-1.0-dev libzmq-dev libwebkit2gtk-4.0-dev libclutter-gtk-1.0-dev
# apt-get install valac-0.26

$ cmake . # or:
$ cmake -DCMAKE_INSTALL_PREFIX=/usr/local . 

$ make

# make install # to install it

ArchLinux

You can install rainbow lollipop from the AUR. The package is rainbow-lollipop-git

Gentoo

You can install rainbow lollipop using the ebuild from gentoo/www-client/rainbow-lollipop