$NetBSD: patch-ad,v 1.1.1.1 2000/02/20 14:40:35 dmcmahill Exp $

--- /dev/null	Sun Feb 20 09:00:11 2000
+++ yacas.sh.in	Sun Feb 20 09:07:01 2000
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+# save the tty settings
+stty -a | grep "\-extproc" 2>&1 > /dev/null
+if [ $? = 0 ]; then
+  OLD=-extproc
+else
+  OLD=extproc
+fi
+#OLD=`stty -g`
+
+# make sure one critical tty setting is correct
+stty -extproc
+
+# run yacas
+@prefix@/bin/yacas $*
+
+# restore the tty setting
+stty $OLD
+