From: John Millikin <jmillikin@gmail.com>
To: Masahiro Yamada <masahiroy@kernel.org>
Cc: Michal Marek <michal.lkml@markovi.net>,
Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>
Subject: Re: [PATCH] lib/raid6: Let $(UNROLL) rules work with BSD userland.
Date: Wed, 23 Dec 2020 13:24:45 +0900 [thread overview]
Message-ID: <CAL1ky9orK39qmvPPk05SoUHWByTwL-kSkgTsbZEvh1vUR4+hXw@mail.gmail.com> (raw)
In-Reply-To: <CAK7LNAQRa18QWQep=Tj9Due_TvAotD4_v0GX83yP0SKX=jUQSQ@mail.gmail.com>
On Wed, Dec 16, 2020 at 2:46 PM Masahiro Yamada <masahiroy@kernel.org> wrote:
>
> Does it depend on the awk version?
>
> I tried this in FreeBSD 12.
>
> masahiro@:~ $ cat test.awk
> BEGIN { print N }
> masahiro@:~ $ awk --version
> awk version 20121220 (FreeBSD)
> masahiro@:~ $ awk -ftest.awk -vN=1
> 1
>
> It worked for me.
>
Yes, it appears to be version dependent. Apologies for the confusion
-- I didn't realize there were multiple dialects of BSD awk.
On FreeBSD and OpenBSD awk works with the existing command. On NetBSD
and macOS awk fails with the following error:
$ touch unroll.awk input.c
$ awk -f./unroll.awk -vN=0 < input.c
awk: can't open file -vN=0
source line number 1 source file -vN=0
context is
>>> <<<
$
My patch lets the $(UNROLL) command support the NetBSD/macOS variant
-- this is needed to support building the Linux kernel on a macOS host
machine.
next prev parent reply other threads:[~2020-12-23 4:25 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-14 8:21 [PATCH] lib/raid6: Let $(UNROLL) rules work with BSD userland John Millikin
2020-12-16 5:45 ` Masahiro Yamada
2020-12-23 4:24 ` John Millikin [this message]
2020-12-23 6:08 ` Masahiro Yamada
2020-12-23 6:23 ` [PATCH v2] lib/raid6: Let $(UNROLL) rules work with macOS userland John Millikin
2020-12-23 8:11 ` Masahiro Yamada
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