libSDL_net-1_2-0
provides "SDL_net-<targettype> = <version>"
obsoletes "SDL_net-<targettype> <= <version>"
SDL_net-devel
provides "libSDL_net-devel-<targettype> = <version>"
obsoletes "libSDL_net-devel-<targettype> <= <version>"
requires -libSDL_net-<targettype>
requires "libSDL_net-1_2-0-<targettype> = <version>"