[coreboot-gerrit] Change in coreboot[master]: util/genbuild_h: add support to print SOURCE_DATE_EPOCH

[Patrick Georgi (Code Review)]

Attention is currently required from: Martin Roth, Alexander Couzens.
Patrick Georgi has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/51362 )

Change subject: util/genbuild_h: add support to print SOURCE_DATE_EPOCH
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Patch Set 3:

(1 comment)

Patchset:

PS3: 
Not _too_ happy about adding an option for that here (which will encourage adding all kinds of other options, yuck).

We sometimes parse stuff out of build.h, eg in src/arch/arm64/Makefile.inc:

BL31_MAKEARGS += BUILD_MESSAGE_TIMESTAMP='"$(shell sed -n 's/^.define COREBOOT_BUILD>.*"(.*)".*/\1/p' $(obj)/build.h)"'