From: Sam Ravnborg <sam@ravnborg.org>
To: Edgardo Hames <ehames@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Rebuilding and checksumming the Linux kernel
Date: Sun, 1 Apr 2007 23:06:22 +0200 [thread overview]
Message-ID: <20070401210622.GC10761@uranus.ravnborg.org> (raw)
In-Reply-To: <478c16ae0704011156u5a34ae96lfd88a6da16d5726a@mail.gmail.com>
On Sun, Apr 01, 2007 at 03:56:30PM -0300, Edgardo Hames wrote:
> I'm working on a project with teams spread across the world and we all
> work on the same repository patching the kernel and then integrating
> into a common main branch. Even though we label the source code, we
> would like to make sure that we are all building the same kernel by
> running md5sum on the resulting binary.
>
> Right now, this is not possible because the kernel includes a
> timestamp and a build number on the binary. What are this timestamps
> used for? Can we just remove them? Is there any other thing that may
> lead to different binaries? (we are using the exact toolchains and
> build machines, so we can assume that the same executable is generated
> if the input source is the same).
Soon you will be able to say:
KBUILD_BUILD_TIMESTAMP="2007-02-30 01:02.03" KBUILD_BUILD_VERSION=99 make
It will hit -mm soon and mainline in next merge window.
Patch is in kbuild.git at git.kernel.org.
Sam
next prev parent reply other threads:[~2007-04-01 21:05 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-01 18:56 Edgardo Hames
2007-04-01 18:58 ` Arjan van de Ven
2007-04-01 19:02 ` Jan Engelhardt
2007-04-01 21:02 ` David Schwartz
2007-04-01 21:06 ` Sam Ravnborg [this message]
2007-04-01 21:53 ` Edgardo Hames
2007-04-02 1:03 ` Edgardo Hames
2007-04-02 1:41 ` Jan Engelhardt
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