ref: b91f0d7b354776c5a67fbdb9d9aba77f1a84d16f dir: /player/build.sh/
./build-sdl.sh $1 gcc -O2 -o player *.cpp *.c -lstdc++ -lpthread -lm -ldl -LSDL/build-$1 -ISDL/include -lSDL2