--- dcc-1.2.74.orig/debian/dcc-common.preinst
+++ dcc-1.2.74/debian/dcc-common.preinst
@@ -0,0 +1,48 @@
+#! /bin/sh
+# preinst script for dcc-common
+#
+# see: dh_installdeb(1)
+
+set -e
+
+
+# summary of how this script can be called:
+#        * <new-preinst> `install'
+#        * <new-preinst> `install' <old-version>
+#        * <new-preinst> `upgrade' <old-version>
+#        * <old-preinst> `abort-upgrade' <new-version>
+#
+# for details, see http://www.debian.org/doc/debian-policy/ or
+# the debian-policy package
+#
+
+case "$1" in
+    install|upgrade)
+	if [ "$1" = "upgrade" ]; then
+		# if the following two files are real file (and no
+		# symlinks), do
+		! test -L /var/lib/dcc/map.txt && mv /var/lib/dcc/map.txt /etc/dcc
+		! test -L /var/lib/dcc/ids && mv /var/lib/dcc/ids /etc/dcc
+		if [ -f /etc/dcc/dcc_conf ]; then
+		    rm -f /etc/dcc/dcc_conf
+		fi
+	fi
+    ;;
+
+    abort-upgrade)
+    ;;
+
+    *)
+        echo "preinst called with unknown argument \`$1'" >&2
+        exit 1
+    ;;
+esac
+
+# dh_installdeb will replace this with shell code automatically
+# generated by other debhelper scripts.
+
+#DEBHELPER#
+
+exit 0
+
+