libgphoto2_port12
libgphoto2-6
libgphoto2-devel
   requires "libexif-devel-<targettype>"
   requires "libusb-1_0-devel-<targettype>"
   requires "libgphoto2-6-<targettype> = %version"
   requires "libgphoto2_port12-<targettype> = %version"
