[Buildroot] $(DATE) out of sync with system
Ulf Samuelsson
ulf at atmel.com
Sun May 11 06:52:56 UTC 2008
fre 2008-05-09 klockan 12:34 -0400 skrev Mike Sander:
> Ulf Samuelsson wrote:
> >> I have Custom rootfs suffix set to the default $(DATE). I have noticed
> >> that a few hours before midnight my rootfs.arm-yyyymmdd.romfs, the dd
> >> portion advances prematurely. this breaks a script I have to copy
> >> binaries after the build.
> >>
> >> I suspect it is somehow related to DATE not using the timezone correctly
> >> (maybe I dont have it set correctly?). I have attempted to find where
> >> DATE is being set. I would imaging that it is using the "date" function
> >> & format specifiers. Unfortunately DATE is a VERY common symbol under
> >> buildroot. I am unable to locate where this symbol is initially set.
> >>
> >> Can someone tell me where to look?
> >>
> >>
> >
> >
> > Top Makefile
> >
> Thanks. I had done a multi level grep for "DATE" and "="..... but this
> generated literally hundreds of lines of output..... that proverbial
> needle in the hay stack.
>
> The relevant line does the following DATE:= $(shell date -u +%Y%m%d).
> Anyone know why the "-u" which specifies Coordinated Universal Time?
> This explains the rollover I see a few hours before midnight. Would it
> not make more sense for this just to be local time? FWIW... I can
> update my script to be consistent with the DATE logic now that I know
> what is going on.
>
No you are right, I think it should use local time, so I will fix this.
--
Best Regards,
Ulf Samuelsson
More information about the buildroot
mailing list