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From: Bobby Eshleman <bobbyeshleman@gmail.com>
To: Jan Beulich <jbeulich@suse.com>
Cc: Bobby Eshleman <bobbyeshleman@gmail.com>,
	Daniel Kiper <daniel.kiper@oracle.com>,
	Andrew Cooper <andrew.cooper3@citrix.com>,
	George Dunlap <george.dunlap@citrix.com>,
	Ian Jackson <iwj@xenproject.org>, Julien Grall <julien@xen.org>,
	Stefano Stabellini <sstabellini@kernel.org>, Wei Liu <wl@xen.org>,
	Xen-devel <xen-devel@lists.xenproject.org>
Subject: Re: [PATCH v3 1/5] xen: add XEN_BUILD_POSIX_TIME
Date: Fri, 22 Jan 2021 13:57:59 -0800	[thread overview]
Message-ID: <YAtKZ3QiE8ZNdNif@piano> (raw)
In-Reply-To: <52e85ee7-b980-ece1-50d4-7deac182bca0@suse.com>

On Fri, Jan 22, 2021 at 12:27:29PM +0100, Jan Beulich wrote:
> On 22.01.2021 01:51, Bobby Eshleman wrote:
> >  export XEN_BUILD_DATE	?= $(shell LC_ALL=C date)
> >  export XEN_BUILD_TIME	?= $(shell LC_ALL=C date +%T)
> >  export XEN_BUILD_HOST	?= $(shell hostname)
> > +export XEN_BUILD_POSIX_TIME	?= $(shell echo $${SOURCE_DATE_EPOCH:-$(shell date +%s)})
> 
> ... the use of SOURCE_DATE_EPOCH here when it's not used for
> XEN_BUILD_TIME (the two could also do with living side by
> side) and ...
> 

XEN_BUILD_TIME is of the form "HH:MM:SS" and SOURCE_DATE_EPOCH / date
+%s are unix timestamps (seconds since epoch).  On Linux, `date -d`
could be used to equalize the two timestamps... I'm not sure about
FreeBSD, as -d is not required by POSIX.

I could place them side-by-side if that's preferred.  I placed it
afterwards here so that there wasn't one oddly aligned "?=" assignment
in the middle of the others, as in rev2 it was requested their alignment
be retained here.

> > --- a/xen/include/xen/compile.h.in
> > +++ b/xen/include/xen/compile.h.in
> > @@ -1,5 +1,6 @@
> >  #define XEN_COMPILE_DATE	"@@date@@"
> >  #define XEN_COMPILE_TIME	"@@time@@"
> > +#define XEN_COMPILE_POSIX_TIME	@@posix_time@@
> >  #define XEN_COMPILE_BY		"@@whoami@@"
> >  #define XEN_COMPILE_DOMAIN	"@@domain@@"
> >  #define XEN_COMPILE_HOST	"@@hostname@@"
> 
> ... the lack of quotes here when all neighboring items have
> them.
> 

XEN_COMPILE_POSIX_TIME is used as a long, while the others are used as
strings.  Should this be commented?

Thank you for the feedback.

Best,
Bobby


  reply	other threads:[~2021-01-22 22:00 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-22  0:51 [PATCH v3 0/5] Support Secure Boot for multiboot2 Xen Bobby Eshleman
2021-01-22  0:51 ` [PATCH v3 1/5] xen: add XEN_BUILD_POSIX_TIME Bobby Eshleman
2021-01-22 11:27   ` Jan Beulich
2021-01-22 21:57     ` Bobby Eshleman [this message]
2021-01-25  8:58       ` Jan Beulich
2021-01-22  0:51 ` [PATCH v3 2/5] xen/x86: manually build xen.mb.efi binary Bobby Eshleman
2021-03-15 13:36   ` Jan Beulich
2021-05-07 20:26     ` Bob Eshleman
2021-05-17  6:48       ` Jan Beulich
2021-05-17 13:20         ` Daniel Kiper
2021-05-17 13:24           ` Jan Beulich
2021-05-18 17:46             ` Daniel Kiper
2021-05-19  9:29               ` Jan Beulich
2021-05-19 12:48                 ` Daniel Kiper
2021-05-19 14:35                   ` Jan Beulich
2021-06-09 13:18                     ` Daniel Kiper
2021-06-09 13:45                       ` Jan Beulich
2021-01-22  0:51 ` [PATCH v3 3/5] xen/x86: add some addresses to the Multiboot header Bobby Eshleman
2021-03-15 15:05   ` Jan Beulich
2021-01-22  0:51 ` [PATCH v3 4/5] xen/x86: add some addresses to the Multiboot2 header Bobby Eshleman
2021-02-23  9:04   ` Roger Pau Monné
2021-02-23 18:07     ` Bob Eshleman
2021-01-22  0:51 ` [PATCH v3 5/5] xen/x86/efi: Verify dom0 kernel with SHIM_LOCK protocol in efi_multiboot2() Bobby Eshleman
2021-03-16 15:08   ` Jan Beulich
2021-01-22  9:39 ` [PATCH v3 0/5] Support Secure Boot for multiboot2 Xen Jan Beulich
2021-01-22 21:18   ` Bobby Eshleman
2021-01-25  8:52     ` Jan Beulich
2021-02-22 18:04 ` Bobby Eshleman
2021-02-23  7:16   ` Jan Beulich
2021-02-23 18:00     ` Bob Eshleman

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