2004-06-18 Akim Demaille <akim@epita.fr>

	* configure.ac (HAPPY): Use AM_PROG_MISSING so that happy is not
	required by configure.
	This eases Mac OSX ports.

ChangeLog

+2004-06-18  Akim Demaille  <akim@epita.fr>
+
+	* configure.ac (HAPPY): Use AM_PROG_MISSING so that happy is not
+	required by configure.
+	This eases Mac OSX ports.
+
 2004-05-05  Akim Demaille  <akim@epita.fr>
 
 	* src/Makefile.am (dist_noinst_DATA): Ship Parse.hs for those who

configure.ac

-# Copyright (C) 2003  Robert Anisko
+# Copyright (C) 2003, 2004  Robert Anisko
 #
 # This file is part of HAVM.  This program is free software; you can
 # redistribute it and/or modify it under the terms of the GNU General
@@ -24,10 +24,7 @@ AC_CHECK_TOOL([GHC],   [ghc],   [no])
 if test $GHC = no; then
   AC_MSG_ERROR([GHC is required])
 fi
-AC_CHECK_TOOL([HAPPY], [happy], [no])
-if test $HAPPY = no; then
-  AC_MSG_ERROR([Happy is required])
-fi
+AM_MISSING_PROG([HAPPY], [happy])
 
 AC_CONFIG_FILES([
    Makefile