From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Petazzoni Date: Fri, 18 Nov 2016 12:38:05 +0100 Subject: [Buildroot] [PATCH v2 03/15] reproducible: add '-n' to gzip invocations In-Reply-To: <1479460224-6119-4-git-send-email-jezz@sysmic.org> References: <1479460224-6119-1-git-send-email-jezz@sysmic.org> <1479460224-6119-4-git-send-email-jezz@sysmic.org> Message-ID: <20161118123805.7e0645ef@free-electrons.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net Hello, On Fri, 18 Nov 2016 10:10:12 +0100, J?r?me Pouiller wrote: > Default invocation to gzip include timestamp in output file. This feature is > incompatible with BR2_REPRODUCIBLE. It is possible to disable it with '-n'. > > The environment variable GZIP can hold a set of default options for gzip. So > instead to find all gzip invocation in build process, we just export 'GZIP=-n'. > > Notice bzip2, lzma and xz are impacted by this problem. On the other hand, lzop > include timestamp and does not provide any way to disable it. > > This work was sponsored by `BA Robotic Systems'. > > Signed-off-by: J?r?me Pouiller Reviewed-by: Thomas Petazzoni If nobody complains about this patch, I'm going to apply it to the next branch soon. Thomas -- Thomas Petazzoni, CTO, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com