dnl -*-autoconf-*-

dnl --- *@-mdw_AUTO_VERSION-@* ---
dnl
dnl Author:	Mark Wooding
dnl
dnl Synopsis:	mdw_AUTO_VERSION
dnl
dnl Arguments:	---
dnl
dnl Use:	Defines an m4 macro AUTO_VERSION which contains the current
dnl		version number, worked out in some clever way.

AC_DEFUN([mdw_AUTO_VERSION], [nobody cares...])
m4_define([mdw_AUTO_VERSION], [m4_define([AUTO_VERSION], m4_esyscmd([
  ver=UNKNOWN
  for pre in ./ config/; do
    for post in "" .in; do
      try=${pre}auto-version${post}
      if test -x $try; then ver=$("$try"); break; fi
    done
  done
  echo -n "$ver"
]))])