Source: libtnt
Version: 1.2.6-1
Severity: wishlist
Tags: patch
User: reproducible-bui...@lists.alioth.debian.org
Usertags: timestamps
X-Debbugs-Cc: reproducible-bui...@lists.alioth.debian.org

Hi,

While working on the "reproducible builds" effort [1], we have noticed
that libtnt could not be built reproducibly.

The attached patch removes timestamps from the build system. Once
applied, libtnt can be built reproducibly in our current experimental
framework.

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


Regards,

-- 
      ,''`.
     : :'  :     Chris Lamb
     `. `'`      la...@debian.org / chris-lamb.co.uk
       `-
diff -urNad libtnt.orig/libtnt-1.2.6/debian/rules 
libtnt/libtnt-1.2.6/debian/rules
--- libtnt.orig/libtnt-1.2.6/debian/rules       2015-02-08 02:55:19.292570122 
+0000
+++ libtnt/libtnt-1.2.6/debian/rules    2015-02-08 02:59:18.775358745 +0000
@@ -2,6 +2,8 @@
 # Copyright (C) 2004-2005 Anibal Monsalve Salazar <ani...@debian.org>
 # Copyright (c) 2005-2006 Juan Esteban Monsalve Tobon <este...@v7w.com>
 
+BUILD_DATE := $(shell dpkg-parsechangelog --show-field Date)
+
 binary: binary-arch binary-indep
 
 binary-indep: build
@@ -15,11 +17,11 @@
        install -p -m 644 Changes debian/tmp/usr/share/doc/libtnt-dev/changelog
        install -p -m 644 debian/changelog 
debian/tmp/usr/share/doc/libtnt-dev/changelog.Debian
        install -p -m 644 examples debian/tmp/usr/share/doc/libtnt-dev
-       gzip -9 debian/tmp/usr/share/doc/libtnt-dev/*
+       gzip -9n debian/tmp/usr/share/doc/libtnt-dev/*
        install -p -m 644 README debian/tmp/usr/share/doc/libtnt-dev
        install -p -m 644 debian/copyright debian/tmp/usr/share/doc/libtnt-dev
-       tar cf debian/tmp/usr/share/doc/libtnt-dev/html-tnt.tar html
-       gzip -9 debian/tmp/usr/share/doc/libtnt-dev/html-tnt.tar
+       tar cf debian/tmp/usr/share/doc/libtnt-dev/html-tnt.tar html 
--mtime="$(BUILD_DATE)"
+       gzip -9n debian/tmp/usr/share/doc/libtnt-dev/html-tnt.tar
        chmod 644 debian/tmp/usr/share/doc/libtnt-dev/html-tnt.tar.gz
 
        dpkg-gencontrol -isp

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