> I'm working on a project with teams spread across the world and we all
quoted text
> 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.

quoted text
> 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).

I think this is wrong in principle even if you can get it to work in
practice. If you want to all work on the same kernel, then keep a single
copy somewhere that you all work from. There is no reason the same source
code will or should always produce the same output. Compilers are not
generally required to be deterministic.

DS


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