diff -pruN 1.16+dfsg1-3/debian/changelog 1.16+dfsg1-3ubuntu1/debian/changelog
--- 1.16+dfsg1-3/debian/changelog	2014-10-24 23:21:30.000000000 +0000
+++ 1.16+dfsg1-3ubuntu1/debian/changelog	2015-07-22 17:02:24.000000000 +0000
@@ -1,3 +1,9 @@
+libtrio (1.16+dfsg1-3ubuntu1) wily; urgency=medium
+
+  * Link with math library using "-lm" linker option (LP: #1371782).
+
+ -- Till Kamppeter <till.kamppeter@gmail.com>  Wed, 22 Jul 2015 14:02:45 -0300
+
 libtrio (1.16+dfsg1-3) unstable; urgency=medium
 
   * Fix FTBFS on arm64 and mipsel64 (Closes: #765675)
diff -pruN 1.16+dfsg1-3/debian/rules 1.16+dfsg1-3ubuntu1/debian/rules
--- 1.16+dfsg1-3/debian/rules	2014-10-24 23:21:30.000000000 +0000
+++ 1.16+dfsg1-3ubuntu1/debian/rules	2015-07-22 16:56:12.000000000 +0000
@@ -20,7 +20,7 @@ override_dh_auto_build:
 	doxygen doc/trio.cfg
 
 override_dh_auto_configure:
-	dh_auto_configure -- --prefix=$(CURDIR)/debian/tmp/usr --libdir=$(CURDIR)/debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH) CFLAGS="$(CFLAGS)"
+	dh_auto_configure -- --prefix=$(CURDIR)/debian/tmp/usr --libdir=$(CURDIR)/debian/tmp/usr/lib/$(DEB_HOST_MULTIARCH) CFLAGS="$(CFLAGS)" LDFLAGS="$(LDFLAGS) -lm"
 
 override_dh_auto_install:
 	dh_auto_install