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From: Vincent Fu <vincentfu@gmail.com>
To: Rebecca Cran <rebecca@bsdio.com>,
	fio@vger.kernel.org, Jens Axboe <axboe@kernel.dk>
Subject: Re: configure on FreeBSD reports "grep: The -P option is not supported"
Date: Mon, 19 Sep 2022 09:12:20 -0400	[thread overview]
Message-ID: <9295573b-a112-eaba-f441-99ccad62d5c8@gmail.com> (raw)
In-Reply-To: <7b55f5b3-ae72-b99a-9fe1-04d60ba7161e@bsdio.com>

On 9/18/22 23:33, Rebecca Cran wrote:
> It looks like commit 7ff204c83595cd7d6b7b6a813d9fda97afd25198 introduced 
> an error on some systems such as FreeBSD, whose grep doesn't support -P.
> 
> num() {
>    echo "$1" | grep -P -q "^[0-9]+$"
> }
> 
> ./configure now reports:
> 
> grep: The -P option is not supported
> seed_buckets                  4
> 
> Is -P required?
> 

Hello Bex,

Does it work for you to replace -P with -E?

Alternatively, what if we replaced grep with

test "$1" -eq "$1" 2>/dev/null

Vincent

  reply	other threads:[~2022-09-19 13:12 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-19  3:33 configure on FreeBSD reports "grep: The -P option is not supported" Rebecca Cran
2022-09-19 13:12 ` Vincent Fu [this message]
2022-09-19 13:15   ` Rebecca Cran
2022-09-19 14:24     ` Vincent Fu

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