diff -ur debian.old/control debian/control
--- debian.old/control	2015-11-13 16:44:41.000000000 +0000
+++ debian/control	2015-11-13 16:44:25.000000000 +0000
@@ -19,7 +19,7 @@
                po-debconf,
                systemd [linux-any],
                zlib1g-dev,
-               libudev-dev
+               libudev-dev [linux-any]
 Section: base
 Priority: required
 Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>