diff -Nru libwebcam-0.2.4/debian/changelog libwebcam-0.2.4/debian/changelog
--- libwebcam-0.2.4/debian/changelog	2015-03-04 15:29:38.000000000 +0000
+++ libwebcam-0.2.4/debian/changelog	2017-07-27 22:35:48.000000000 +0000
@@ -1,3 +1,10 @@
+libwebcam (0.2.4-1.1ubuntu2) artful; urgency=medium
+
+  * Feed -DCMAKE_INSTALL_LIBDIR to the build as dh(1) would do, to
+    work around apparent behaviour change in cmake (LP: #1707074)
+
+ -- Adam Conrad <adconrad@ubuntu.com>  Thu, 27 Jul 2017 16:35:48 -0600
+
 libwebcam (0.2.4-1.1ubuntu1) vivid; urgency=medium
 
   * Fix installation into multiarch directories.
diff -Nru libwebcam-0.2.4/debian/control libwebcam-0.2.4/debian/control
--- libwebcam-0.2.4/debian/control	2013-11-01 23:49:24.000000000 +0000
+++ libwebcam-0.2.4/debian/control	2017-07-27 22:35:48.000000000 +0000
@@ -1,7 +1,8 @@
 Source: libwebcam
 Section: libs
 Priority: extra
-Maintainer: Paulo Assis <pj.assis@gmail.com>
+Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
+XSBC-Original-Maintainer: Paulo Assis <pj.assis@gmail.com>
 Build-Depends: debhelper (>= 7), cmake, libxml2-dev, pkg-config, gengetopt
 Standards-Version: 3.9.3
 Homepage: http://www.quickcamteam.net/software/libwebcam
diff -Nru libwebcam-0.2.4/debian/rules libwebcam-0.2.4/debian/rules
--- libwebcam-0.2.4/debian/rules	2013-11-01 23:49:23.000000000 +0000
+++ libwebcam-0.2.4/debian/rules	2017-07-27 22:35:48.000000000 +0000
@@ -27,6 +27,7 @@
 	mkdir -p builddir
 	cd builddir && cmake .. -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_C_FLAGS="$(CFLAGS)" \
 		-DCMAKE_LD_FLAGS="$(LDFLAGS)" -DCMAKE_CXX_FLAGS="$(CXXFLAGS)" \
+		-DCMAKE_INSTALL_LIBDIR="lib/$(shell dpkg-architecture -qDEB_HOST_MULTIARCH)" \
 		-DCMAKE_SKIP_RPATH=ON -DCMAKE_VERBOSE_MAKEFILE=ON
 
 #build-doxy: build-doxy-stamp