This package includes"libgif"

-rwxr-xr-x-     root     root      11168 Jul 28 23:13 /usr/X11R6/include/gif_lib.h
-rw-r--r---     root     root     160938 Jul 28 23:13 /usr/X11R6/lib/libgif.a
lrwxrwxrwx-     root     root         13 Jul 28 23:13 /usr/X11R6/lib/libgif.so -> libgif.so.3.0
-rwxr-xr-x-     root     root     127492 Jul 28 23:13 /usr/X11R6/lib/libgif.so.3.0