You can override this in your local.conf using:
DEFAULT_TIMEZONE:<machine> = ....
or more universally
DEFAULT_TIMEZONE:forcevariable = ....
I will pass this on to our PetaLinux team. I don't know why they have set this.
I suspect it's set this way because the default in Poky is:
poky/meta/recipes-extended/timezone/tzdata.bb:
DEFAULT_TIMEZONE ?= "Universal"
so adding your change of:
--- a/recipes-extended/tzdata/tzdata%.bbappend
+++ b/recipes-extended/tzdata/tzdata%.bbappend
@@ -1 +1 @@
-DEFAULT_TIMEZONE = "America/Los_Angeles"
+DEFAULT_TIMEZONE ?= "America/Los_Angeles"
Will result in a no-op, since DEFAULT_TIMEZONE has previously been set, a new ?=
will do nothing as the value exists.
If Poky was changed to ??=, then ?= would work here.
On 1/8/25 4:01 AM, Hecht, Martin (Avnet Silica) via lists.yoctoproject.org
wrote:
Hi Tony, hi maintainers,
I guess this another sort of using the wrong operator what makes using your
board more complicated ....
On some other parts of the world we use different timezones.... Why to fix on
Los Angeles time in meta-petalinux?
Please check attached patch and hopefully take over that approach for other
AMD/Xilinx development boards.
BR Martin
*Dipl. Inform. Martin Hecht*
Senior Embedded Specialist /
Functional Safety Engineer
TA1130871952
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