First: Make sure unbuntu environment. Make sure that you have installed SDL,if not please refer to the following steps. sudo apt-get install libsdl1.2-dev sudo apt-get install libsdl-image1.2-dev sudo apt-get install libsdl-mixer1.2-dev sudo apt-get install libsdl-ttf2.0-dev sudo apt-get install libsdl-gfx1.2-dev

Second:complie SDL2-2.0.5 cd SDL2-2.0.5 ./configure --prefix=./sdlResult make make install third: export LD_LIBRARY_PATH=/home/xiaohui/learnProject/SDL2-2.0.5/sdlResult/lib/ end: ./test