AC_CHECK_LIB(jpeg, jpeg_write_raw_data,, JPEGLIBMISSING=true)
AC_CHECK_LIB(ungif, DGifOpen,, UNGIFMISSING=true)
if test "$UNGIFMISSING";then
UNGIFMISSING=
AC_CHECK_LIB(gif, DGifOpen,, UNGIFMISSING=true)
fi
AC_CHECK_LIB(jpeg, jpeg_write_raw_data,, JPEGLIBMISSING=true)
AC_CHECK_LIB(ungif, DGifOpen,, UNGIFMISSING=true)
if test "$UNGIFMISSING";then
UNGIFMISSING=
AC_CHECK_LIB(gif, DGifOpen,, UNGIFMISSING=true)
fi