Compile Allegro 5.x for Raspberry Pi

I am in the process of porting Mayhem 2 to Allegro 5 (with the help of Jonas Karlsson), and wanted to compile the latest version of Allegro on the Pi, as only an older version is available through apt. Install the dependencies

sudo apt-get install build-essential git cmake cmake-curses-gui xorg-dev libgl1-mesa-dev libglu-dev libpng-dev libcurl4-nss-dev libfreetype6-dev libjpeg-dev libvorbis-dev libopenal-dev libphysfs-dev libgtk2.0-dev libpulse-dev libflac-dev libdumb1-dev

Get the Code

git clone https://github.com/liballeg/allegro5.git
cd allegro5

Check out the version you want - see here for a list of versions

git checkout 5.2.1

Build it

mkdir build
cd build
cmake .. -DCMAKE_TOOLCHAIN_FILE=../cmake/Toolchain-raspberrypi.cmake
make

Install it

sudo make install
export PKG_CONFIG_PATH=/home/pi/allegro5/build/lib/pkgconfig
sudo ldconfig