-#serial 22
+#serial 23
 
 dnl These are the prerequisite macros for files in the lib/
 dnl directories of the fileutils, sh-utils, and textutils packages.
     AC_CHECK_MEMBERS([struct utmp.ut_name],,,[$utmp_includes])
     AC_CHECK_MEMBERS([struct utmpx.ut_type],,,[$utmp_includes])
     AC_CHECK_MEMBERS([struct utmp.ut_type],,,[$utmp_includes])
+    AC_CHECK_MEMBERS([struct utmpx.ut_pid],,,[$utmp_includes])
+    AC_CHECK_MEMBERS([struct utmp.ut_pid],,,[$utmp_includes])
+    AC_CHECK_MEMBERS([struct utmpx.ut_id],,,[$utmp_includes])
+    AC_CHECK_MEMBERS([struct utmp.ut_id],,,[$utmp_includes])
+    AC_CHECK_MEMBERS([struct utmpx.ut_exit],,,[$utmp_includes])
+    AC_CHECK_MEMBERS([struct utmp.ut_exit],,,[$utmp_includes])
     AC_LIBOBJ(readutmp)
   fi
 ])