Under Debian 8.2, this command should install everything needed:
~~~
-apt-get install libgles2-mesa-dev libsdl2-dev libsdl2-image-dev inkscape mpg123
+apt-get install libgles2-mesa-dev libsdl2-dev libsdl2-image-dev libsdl2-mixer-dev inkscape
~~~
Under Windows 64 bits, using msys2, you can install the required packages with:
~~~
-pacman -S mingw-w64-x86_64-angleproject-git mingw-w64-x86_64-SDL2 mingw-w64-x86_64-SDL2_image
+pacman -S mingw-w64-x86_64-angleproject-git mingw-w64-x86_64-SDL2 mingw-w64-x86_64-SDL2_image mingw-w64-x86_64-SDL2_mixer
~~~
# Services by submodules