configure.ac: New pretty print results menu.

This commit adds a new pretty print menu, we've (far) outgrown the old
menu which because hard to traverse.

m4/pretty_print.m4

@@ -0,0 +1,17 @@
+AC_DEFUN([results], [
+	dnl This is a hack to allow "with" names, otherwise "enable".
+	num=`expr match $1 "with"`
+	if test "$num" != "0"; then
+		var="`echo '$'$1`"
+	else
+		var="`echo '$'enable_$1`"
+	fi
+
+	echo -n "("
+	if eval "test x$var = xyes"; then
+		echo -n "+"
+	else
+		echo -n "-"
+	fi
+	echo -n "$2) "
+])