+
+##
+## Create an alternate shrdir if one was specified.
+##
+if [ $# = 4 ]; then
+ ALT_SHRDIR=`echo $4 | sed s+//+/+`
+ mkdir -p $ALT_SHRDIR || exit $?
+ OLD_PWD=`pwd`
+ cd $ALT_SHRDIR || exit $?
+ SHRDIR=`pwd`
+ cd $OLD_PWD
+ /bin/rm -rf $SHRDIR/*
+else
+ SHRDIR=$PREFIX_ABS/tmp
+ mkdir -p $SHRDIR
+fi
+chmod 777 $SHRDIR