+ * debian/rules: Support dpkg-buildflags.
+ * Install ipaddrset.py and secnet.8 with correct permissions.
+ * Fix check for <linux/if_tun.h> and git rid of our copy.
+ * Use -lresolv only if inet_aton is not found otherwise.
+ * Use -lnsl only if inet_ntoa is not found otherwise.
+ * debian/rules: Provide build-arch and build-indep targets.
+ * debian/rules: Do not run build for *-indep (!)
+ * Makefile.in: Putative dual (backport and not) release build process doc.