--- a/debian/patches/10_reproducible_build.patch	1970-01-01 01:00:00.000000000 +0100
--- b/debian/patches/10_reproducible_build.patch	2017-03-10 15:00:19.910463195 +0000
@@ -0,0 +1,16 @@
+Description: Make the build reproducible
+Author: Chris Lamb <lamby@debian.org>
+Last-Update: 2017-03-10
+
+--- qjackctl-0.4.4.orig/configure.ac
++++ qjackctl-0.4.4/configure.ac
+@@ -9,6 +9,9 @@ AC_CONFIG_FILES(Makefile qjackctl.spec s
+ AC_CACHE_VAL([ac_cv_build_date],
+    [ac_cv_build_date=$(date +"%b %d %Y %H:%M %z")])
+ ac_build_date="$ac_cv_build_date"
++if test -n "$SOURCE_DATE_EPOCH"; then
++  ac_build_date="`LC_ALL=C date --utc --date="@$SOURCE_DATE_EPOCH" +"%b %d %Y %H:%M %z"`"
++fi
+ AC_DEFINE_UNQUOTED(CONFIG_BUILD_DATE, ["$ac_build_date"], [Build date and time.])
+ 
+ # Build version string.
--- a/debian/patches/series	1970-01-01 01:00:00.000000000 +0100
--- b/debian/patches/series	2017-03-10 15:00:17.998454337 +0000
@@ -0,0 +1 @@
+10_reproducible_build.patch