--- gforth/configure.in	2007/12/31 17:34:58	1.200
+++ gforth/configure.in	2008/01/01 13:39:14	1.202
@@ -6,7 +6,7 @@ dnl Process this file with autoconf to p
 
 #Gforth is free software; you can redistribute it and/or
 #modify it under the terms of the GNU General Public License
-#as published by the Free Software Foundation; either version 2
+#as published by the Free Software Foundation, either version 3
 #of the License, or (at your option) any later version.
 
 #This program is distributed in the hope that it will be useful,
@@ -15,8 +15,7 @@ dnl Process this file with autoconf to p
 #GNU General Public License for more details.
 
 #You should have received a copy of the GNU General Public License
-#along with this program; if not, write to the Free Software
-#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
+#along with this program. If not, see http://www.gnu.org/licenses/.
 
 
 dnl We use some automake macros here,
@@ -628,6 +627,14 @@ AC_SUBST(M4)
 AC_DEFINE_UNQUOTED(M4,"$M4",[How to invoke m4])
 AC_MSG_RESULT($M4)
 
+# Find installed Gforth
+AC_MSG_CHECKING([for gforth])
+GFORTH="`which gforth 2>/dev/null`"
+if test ! -z "$GFORTH"; then  GFORTH="$GFORTH -m4M" ; fi
+AC_SUBST(GFORTH)
+AC_DEFINE_UNQUOTED(GFORTH,"$GFORTH",[How to invoke gforth])
+AC_MSG_RESULT($GFORTH)
+
 echo "machine='$machine'"
 
 dnl AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)