ref: f07984fc62846eb61f12b3c01a86e31f8a71f2d8 dir: /player/build.sh/
./build-sdl.sh $1 gcc -O2 -o player *.cpp *.c -lstdc++ -lpthread -lm -ldl -LSDL/build-$1 -ISDL/include -lSDL2