getyn()
{
	while echo "$* (y/n)? \c" >&2
	do
		read yn rest
		case $yn in
			[yY]) return 0;;
			[nN]) return 1;;
			*) echo "Please answer y or n" >&2;;
		esac
	done
}

if [ ! -f /etc/conf/pack.d/wd/Driver.OLD ]
then
	cp /etc/conf/pack.d/wd/Driver.o /etc/conf/pack.d/wd/Driver.OLD
	cp /etc/conf/pack.d/wd0/Driver.o /etc/conf/pack.d/wd0/Driver.OLD
	cp /etc/conf/pack.d/wd1/Driver.o /etc/conf/pack.d/wd1/Driver.OLD
fi

cp wd.o /etc/conf/pack.d/wd/Driver.o
cp wd0.o /etc/conf/pack.d/wd0/Driver.o
cp wd1.o /etc/conf/pack.d/wd1/Driver.o
cp space.c.wd /etc/conf/pack.d/wd/space.c

cp um8672 /usr/lib/mkdev
cp umioctl /usr/lib/mkdev

dir=`pwd`

cd /etc/conf/cf.d
maj=`./configure -j NEXTMAJOR`
./configure -a uminit umopen umclose umioctl -c -m $maj
mknod /dev/umdev c $maj 0

cd $dir
if [ ! -d /etc/conf/pack.d/um ]
	then	mkdir /etc/conf/pack.d/um
fi
if [ ! -d /etc/conf/pack.d/um ]
	then	echo "Can't make directory /etc/conf/pack.d/um"
		exit
fi

cp um.o /etc/conf/pack.d/um/Driver.o
cp space.c.um /etc/conf/pack.d/um/space.c

if getyn "\n\
	A new kernel must be built and rebooted. \n\
	Would you like to relink at this time?"
then
	( cd /etc/conf/cf.d; ./link_unix )
else
	echo "\n\
	You must build a new kernel for the driver."
fi

echo "\n\
****************\n\
*    Notice    *\n\
****************\n\
After the system is rebooted with the new kernel,\n\
invoke >>> mkdev um8672 <<< to specify the UM8672 timing setting utility.\n"

exit $?