libSDL2-2_0-0
provides "SDL2-<targettype> = <version>"
SDL2-devel
provides "libSDL2-devel-<targettype> = <version>"
obsoletes "libSDL2-devel-<targettype> < <version>"
requires -libSDL2-<targettype>
requires "libSDL2-2_0-0-<targettype> = <version>"