[U-Boot] [PATCH] Makefile: Use correct timezone for U_BOOT_TZ

[Paul Kocialkowski]

Le vendredi 31 juillet 2015 à 22:04 +1200, Chris Packham a écrit :
> When building with SOURCE_DATE_EPOCH the timezone is in UTC. When
> building normally the timezone is taken from the build machine's locale
> setting.

Thanks a lot for introducing this, I thought it might disturb a few
people.

> Fixes: f3f431a71272 ("Reproducible U-Boot build support, using
> SOURCE_DATE_EPOCH")

It is incorrect to say that your patch fixes my commit, because my
commit didn't introduce anything unexpected or faulty.

If anything, it was merged before people gave their opinion about
whether UTC should be default. I was also going to introduce a patch
like yours later. For the record, UTC is default for Coreboot's
timestamps.

Thus, please remove that line.

Otherwise, this is:
Tested-By: Paul Kocialkowski <contact at paulk.fr>

> Signed-off-by: Chris Packham <judge.packham at gmail.com>
> ---
> Hopefully this will suit everyone. I've done a quick sanity test with
> sandbox and the date shown in the version output looks to be what I
> expect with/without SOURCE_DATE_EPOCH.
> 
>  Makefile | 14 ++++++++++----
>  1 file changed, 10 insertions(+), 4 deletions(-)
> 
> diff --git a/Makefile b/Makefile
> index 394ed09..f75c730 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -1230,10 +1230,16 @@ define filechk_version.h
>  endef
>  
>  define filechk_timestamp.h
> -	(SOURCE_DATE="$${SOURCE_DATE_EPOCH:+@$$SOURCE_DATE_EPOCH}"; \
> -	LC_ALL=C date -u -d "$${SOURCE_DATE:-now}" +'#define U_BOOT_DATE "%b %d %C%y"'; \
> -	LC_ALL=C date -u -d "$${SOURCE_DATE:-now}" +'#define U_BOOT_TIME "%T"'; \
> -	LC_ALL=C date -u -d "$${SOURCE_DATE:-now}" +'#define U_BOOT_TZ "%z"' )
> +	(if test -n "$${SOURCE_DATE_EPOCH}"; then \
> +		SOURCE_DATE="@$${SOURCE_DATE_EPOCH}"; \
> +		LC_ALL=C date -u -d "$${SOURCE_DATE}" +'#define U_BOOT_DATE "%b %d %C%y"'; \
> +		LC_ALL=C date -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TIME "%T"'; \
> +		LC_ALL=C date -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TZ "%z"'; \
> +	else \
> +		LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"'; \
> +		LC_ALL=C date +'#define U_BOOT_TIME "%T"'; \
> +		LC_ALL=C date +'#define U_BOOT_TZ "%z"'; \
> +	fi)
>  endef
>  
>  $(version_h): include/config/uboot.release FORCE

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