Bug#833441: rc: please make the build reproducible

[Chris Lamb <lamby@debian.org>]

Source: rc
Version: 1.7.2-2
Severity: wishlist
Tags: patch
User: reproducible-builds@lists.alioth.debian.org
Usertags: timestamps
X-Debbugs-Cc: reproducible-builds@lists.alioth.debian.org

Hi,

Whilst working on the "reproducible builds" effort [0], we noticed
that rc could not be built reproducibly.

Patch attached.

 [0] https://wiki.debian.org/ReproducibleBuilds


Regards,

-- 
      ,''`.
     : :'  :     Chris Lamb
     `. `'`      lamby@debian.org / chris-lamb.co.uk
       `-

--- a/debian/patches/50_reproducible-build.patch	1970-01-01 01:00:00.000000000 +0100
--- b/debian/patches/50_reproducible-build.patch	2016-08-04 07:20:39.429150414 +0100
@@ -0,0 +1,19 @@
+Description: Make the build reproducible
+Author: Chris Lamb <lamby@debian.org>
+Last-Update: 2016-08-04
+
+--- rc-1.7.2.orig/configure.ac
++++ rc-1.7.2/configure.ac
+@@ -2,7 +2,11 @@ dnl Our package name, version, ...
+ AC_INIT([rc], [1.7.2])
+ 
+ dnl ... and release date
+-RELDATE=`date -I`
++if test -n "$SOURCE_DATE_EPOCH"; then
++     RELDATE=`date --utc -I --date="@$SOURCE_DATE_EPOCH"`
++else
++     RELDATE=`date -I`
++fi
+ AC_DEFINE_UNQUOTED(RELDATE, "$RELDATE", [Release date])
+ 
+ dnl Get things going...
--- a/debian/patches/series	2016-08-04 07:15:24.122713636 +0100
--- b/debian/patches/series	2016-08-04 07:20:38.005139349 +0100
@@ -2,3 +2,4 @@
 20_panic-attribute-noreturn.patch
 30_trip-hide-envvars.patch
 40_manpage-typography.patch
+50_reproducible-build.patch