[U-Boot] [Reproducible-builds] [PATCH] build: create time and date independent binary

[Paul Kocialkowski <contact@paulk.fr>]

> Did you see my v2 patch [1] for u-boot?
> 
> It also builds now u-boot images created with mkimage reproducible ...
> 
> If I interpret your patch from above correct, you add with
> SOURCE_DATE_EPOCH a specific fix timestamp?
> 
> I think, this could be included to my approach too ...
> 
> If SOURCE_DATE_EPOCH is defined, use it, fi not defined
> define U_BOOT_DATE, U_BOOT_TIME and U_BOOT_TZ
> with my default settings from [1] ...
> 
> All only if CONFIG_SYS_EXACT_BINARY is set in the u-boot
> config of course ...
> 
> What do you think?

I think adding a config option adds all sorts of unnecessary
complications. SOURCE_DATE_EPOCH is sufficient for what we want.

Thanks a lot for your work, it has been a great base for the patch I
just sent: http://patchwork.ozlabs.org/patch/497577/

Feel free to add your signed-off-by line since it's inspired by your
patch.

-- 
Paul Kocialkowski, Replicant developer

Replicant is a fully free Android distribution running on several
devices, a free software mobile operating system putting the emphasis on
freedom and privacy/security.

Website: http://www.replicant.us/
Blog: http://blog.replicant.us/
Wiki/tracker/forums: http://redmine.replicant.us/
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