File baselibs.conf of Package SDL_image.openSUSE_Leap_15.1_Update

libSDL_image-1_2-0
  provides "SDL_image-<targettype> = <version>"
  obsoletes "SDL_image-<targettype> <= <version>"
libSDL_image-devel
  requires -libSDL_image-<targettype>
  requires "libSDL_image-1_2-0-<targettype> = <version>"