+dnl Use: Turns on the `NTRACE' flag, to disable useful things like
+dnl trace outputs.
+
+AC_DEFUN(mdw_OPT_TRACE,
+[AC_ARG_ENABLE(tracing,
+[ --disable-tracing disable output of trace information],
+[if test "$enableval" = "no"; then
+ AC_DEFINE(NTRACE, 1)
+fi])])
+
+dnl --- *@-mdw_OPT_mLib_TRACK-@* ---
+dnl
+dnl Author: Mark Wooding
+dnl
+dnl Synopsis: mdw_OPT_mLib_TRACK(PROGRAM)
+dnl
+dnl Arguments: PROGRAM = name of this program or package.
+dnl
+dnl Use: Controls the unsupported mLib memory tracker. The