On Sun, Apr 01, 2007 at 03:56:30PM -0300, Edgardo Hames wrote:
quoted text
> 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
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