mdw@git.distorted.org.uk Git - runlisp/blob - m4/mdw-auto-version.m4

   1 dnl -*-autoconf-*-
   2
   3 dnl --- *@-mdw_AUTO_VERSION-@* ---
   4 dnl
   5 dnl Author:     Mark Wooding
   6 dnl
   7 dnl Synopsis:   mdw_AUTO_VERSION
   8 dnl
   9 dnl Arguments:  ---
  10 dnl
  11 dnl Use:        Defines an m4 macro AUTO_VERSION which contains the current
  12 dnl             version number, worked out in some clever way.
  13
  14 AC_DEFUN([mdw_AUTO_VERSION], [nobody cares...])
  15 m4_define([mdw_AUTO_VERSION], [m4_define([AUTO_VERSION], m4_esyscmd([
  16   ver=UNKNOWN
  17   for pre in ./ config/; do
  18     for post in "" .in; do
  19       try=${pre}auto-version${post}
  20       if test -x $try; then ver=$("$try"); break; fi
  21     done
  22   done
  23   echo -n "$ver"
  24 ]))])