Datasheet

and paste in the following text:

run

sudo chmod +x installsdl.sh

sudo ./installsdl.sh

#!/bin/bash

# enable wheezy package sources

echo "deb http://archive.raspbian.org/raspbian wheezy main

" > /etc/apt/sources.list.d/wheezy.list

# set stable as default package source (currently stretch)

echo "APT::Default-release \"stable\";

" > /etc/apt/apt.conf.d/10defaultRelease

# set the priority for libsdl from wheezy higher then the stretch package

echo "Package: libsdl1.2debian

Pin: release n=stretch

Pin-Priority: -10

Package: libsdl1.2debian

Pin: release n=wheezy

Pin-Priority: 900

" > /etc/apt/preferences.d/libsdl

# install

apt-get update

apt-get -y --allow-downgrades install libsdl1.2debian/wheezy