File baselibs.conf of Package SDL2

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