These binaries were compiled for x86_64-linux on a CentOS 4.8 setup. They depend on SDL (libSDL-1.2.so.0), ogg/vorbis (libvorbis.so.0, libogg.so.0 and libvorbisfile.so.3), and libmad (libmad.so.0). The sdl2 version depends on libSDL2-2.0.so.0 instead of libSDL-1.2.so.