I wrote a post about how to build SDL2 as a static library on Linux using a building tool called SCons: Building SDL 2 with SCons on Linux (http://blog.davidecoppola.com/2014/03/13/building-sdl-2-with-scons-on-linux/).
Please check it out and let me know if I missed anything or you have any suggestion.------------------------
Davide Coppola
[my website (http://www.davidecoppola.com)] [my blog (http://blog.davidecoppola.com)]