AC_CHECK_LIB(jpeg, jpeg_write_raw_data,, JPEGLIBMISSING=true)
AC_CHECK_LIB(t1, T1_LoadFont,, T1LIBMISSING=true)
AC_CHECK_LIB(ungif, DGifOpen,, UNGIFMISSING=true)
AC_CHECK_LIB(jpeg, jpeg_write_raw_data,, JPEGLIBMISSING=true)
AC_CHECK_LIB(t1, T1_LoadFont,, T1LIBMISSING=true)
AC_CHECK_LIB(ungif, DGifOpen,, UNGIFMISSING=true)