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[bug#47615] [PATCH 7/9] build: qemu-command: Add support for powerpc.

From: Efraim Flashner
Subject: [bug#47615] [PATCH 7/9] build: qemu-command: Add support for powerpc.
Date: Tue, 6 Apr 2021 22:17:28 +0300

On Tue, Apr 06, 2021 at 07:02:47PM +0200, Vincent Legoll wrote:
> Hello,
> On Tue, Apr 6, 2021 at 2:44 PM Efraim Flashner <> wrote:
> > +                    ((string-match "powerpc" cpu) "ppc")
> Won't there be some "powerpc64le" conflict here ?

I thought not, but it appears it would match all of powerpc*

(ins)scheme@(guile-user)> (use-modules (ice-9 regex))
(ins)scheme@(guile-user)> (string-match "powerpc" "powerpc")
$1 = #("powerpc" (0 . 7))
(ins)scheme@(guile-user)> (string-match "powerpc" "powerpc64le")
$2 = #("powerpc64le" (0 . 7))
(ins)scheme@(guile-user)> (string-match "powerpc" "armhf")
$3 = #f

If it were string=? then it would be fine, but that would break the
^i[3456]86$ regex. It looks like I would need to add a powerpc64 case
above the powerpc case. Looking at the output of qemu adding
((string-match "powerpc64" cpu) "ppc64") would be the right answer.

Efraim Flashner   <>   אפרים פלשנר
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