ref: d3e18d795d59fb2f380dd1df1faf2d95dece8ef4
dir: /external/SDL2/debian/libsdl2-dev.install/
usr/bin/sdl2-config usr/include/SDL2 usr/lib/*/*.a usr/lib/*/*.la usr/lib/*/*.so usr/lib/*/pkgconfig/sdl2.pc usr/lib/*/cmake/SDL2/sdl2-config.cmake usr/lib/*/cmake/SDL2/sdl2-config-version.cmake usr/share/aclocal/sdl2.m4