diff -Nru libsoxr-0.1.2/debian/changelog libsoxr-0.1.2/debian/changelog
--- libsoxr-0.1.2/debian/changelog	2015-09-24 18:44:17.000000000 +0000
+++ libsoxr-0.1.2/debian/changelog	2016-12-25 17:41:58.000000000 +0000
@@ -1,3 +1,13 @@
+libsoxr (0.1.2-2) unstable; urgency=medium
+
+  * Define NDEBUG to disable debug output (Closes: #822727, LP: #1649224)
+  * Update Vcs links to point to https URLs
+  * Bump Standards-Version to 3.9.8 (no changes needed)
+  * Use https for copyright format specification URL
+  * Enable all hardening flags
+
+ -- Benjamin Drung <bdrung@debian.org>  Sun, 25 Dec 2016 18:41:58 +0100
+
 libsoxr (0.1.2-1) unstable; urgency=medium
 
   [ Benjamin Drung ]
diff -Nru libsoxr-0.1.2/debian/control libsoxr-0.1.2/debian/control
--- libsoxr-0.1.2/debian/control	2015-09-24 17:01:34.000000000 +0000
+++ libsoxr-0.1.2/debian/control	2016-12-25 17:06:38.000000000 +0000
@@ -5,11 +5,11 @@
 Uploaders: Benjamin Drung <bdrung@debian.org>,
            Alessio Treglia <alessio@debian.org>
 Build-Depends: cmake (>= 2.8), debhelper (>= 9)
-Standards-Version: 3.9.6
+Standards-Version: 3.9.8
 Homepage: http://sourceforge.net/projects/soxr/
 Testsuite: autopkgtest
-Vcs-Browser: http://anonscm.debian.org/gitweb/?p=pkg-multimedia/libsoxr.git
-Vcs-Git: git://anonscm.debian.org/pkg-multimedia/libsoxr.git
+Vcs-Browser: https://anonscm.debian.org/cgit/pkg-multimedia/libsoxr.git
+Vcs-Git: https://anonscm.debian.org/git/pkg-multimedia/libsoxr.git
 
 Package: libsoxr0
 Architecture: any
diff -Nru libsoxr-0.1.2/debian/copyright libsoxr-0.1.2/debian/copyright
--- libsoxr-0.1.2/debian/copyright	2015-09-24 18:37:15.000000000 +0000
+++ libsoxr-0.1.2/debian/copyright	2016-12-25 17:06:59.000000000 +0000
@@ -1,4 +1,4 @@
-Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
+Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
 Upstream-Name: libsoxr
 Upstream-Contact: Rob Sykes <robs@users.sourceforge.net>
 Source: https://sourceforge.net/projects/soxr/files/
diff -Nru libsoxr-0.1.2/debian/patches/ndebug.patch libsoxr-0.1.2/debian/patches/ndebug.patch
--- libsoxr-0.1.2/debian/patches/ndebug.patch	1970-01-01 00:00:00.000000000 +0000
+++ libsoxr-0.1.2/debian/patches/ndebug.patch	2016-12-25 17:40:11.000000000 +0000
@@ -0,0 +1,21 @@
+Description: Define NDEBUG to disable debug output
+ Cherry-pick defining NDEBUG from upstream commit
+ 5fa7eeb9a3df65452970566abc027db566012caf to disable debug output
+Bug-Debian: https://bugs.debian.org/822727
+Bug-Ubuntu: https://launchpad.net/bugs/1649224
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 406e826..0450ab2 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -174,6 +174,10 @@ if (BUILD_SHARED_LIBS)
+   endif ()
+ endif ()
+ 
++if (CMAKE_BUILD_TYPE STREQUAL "None") # As used by some distros.
++  add_definitions (-DNDEBUG)
++endif ()
++
+ 
+ 
+ # Installation configuration:
diff -Nru libsoxr-0.1.2/debian/patches/series libsoxr-0.1.2/debian/patches/series
--- libsoxr-0.1.2/debian/patches/series	1970-01-01 00:00:00.000000000 +0000
+++ libsoxr-0.1.2/debian/patches/series	2016-12-25 17:40:34.000000000 +0000
@@ -0,0 +1 @@
+ndebug.patch
diff -Nru libsoxr-0.1.2/debian/rules libsoxr-0.1.2/debian/rules
--- libsoxr-0.1.2/debian/rules	2015-09-22 18:48:12.000000000 +0000
+++ libsoxr-0.1.2/debian/rules	2016-12-25 17:29:29.000000000 +0000
@@ -1,5 +1,7 @@
 #!/usr/bin/make -f
 
+export DEB_BUILD_MAINT_OPTIONS = hardening=+all
+
 DEB_HOST_MULTIARCH ?= $(shell dpkg-architecture -qDEB_HOST_MULTIARCH)
 
 %: