To install libgtk-3-dev just follow these instructions.
sudo apt-get install libgtk-3-dev
Which will install libgtk-3-dev and any other packages on which it depends.
Package | libgtk-3-dev |
Version | 3.14.5-1+deb8u1 |
Maintainer | Debian GNOME Maintainers <pkg-gnome-maintainers@lists.alioth.debian.org> |
Home page | http://www.gtk.org/ |
Description | development files for the GTK+ library |
Distro | debian |
Release | jessie |
Repo | main |
Section | libdevel |