Install SDL2

 

from https://www.libsdl.org/download-2.0.php

Download the latest source from the SDL website.

unzip SDL2-2.0.20.zip

Extract the archive and cd to the folder that got extracted. Configure the installation using

./configure

Compile the source using the make command

make all

Finally, install the package using the make command

make install

if no make

apt install make

from https://wiki.libsdl.org/Installation

git clone https://github.com/libsdl-org/SDL
cd SDL
mkdir build
cd build
../configure
make
sudo make install