[SeaBIOS] [PATCH] build: remove hardcoded timestamp

[Peter Stuge]

Kevin O'Connor wrote:
> > Once this patch is applied it is possible to get reproducible builds of
> > Xens hvmloader.
> 
> I've found the version information to be quite helpful when we get
> trouble reports - it helps indicate what was being run and who built
> the code (eg, distribution or local).  During development cycles, it
> helps verify that test runs are executed with the expected code.
> 
> What breaks if the version changes?

Reproducible builds; allowing to create a consensus that a particular
binary is indeed the correct binary for a particular source code.


> It should be possible to force a static version with "make
> VERSION='xyz'", but I'd ask that that not be done for production
> builds as it makes handling trouble reports harder.

I would recommend to use `git describe --tags --dirty` output, which
tells if there are any local modifications.


//Peter