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From: L A Walsh <lkml@tlinx.org>
To: Karel Zak <kzak@redhat.com>
Cc: "Theodore Ts'o" <tytso@mit.edu>,
	util-linux@vger.kernel.org, LKML <linux-lkml@vger.kernel.org>
Subject: Re: [PATCH] build-sys: fix configure --without-systemd
Date: Tue, 28 Jan 2020 16:15:07 -0800
Message-ID: <5E30CE8B.1080007@tlinx.org> (raw)
In-Reply-To: <20200128120733.s3n7f5gidsorwii7@ws.net.home>

On 2020/01/28 04:07, Karel Zak wrote:
> On Fri, Jan 24, 2020 at 12:29:47PM -0500, Theodore Ts'o wrote:
>>  AC_ARG_WITH([systemd],
>>    AS_HELP_STRING([--without-systemd], [do not build with systemd support]),
>> -  [], [with_systemd=check]
>> +  [], [with_systemd=no]
> The current default is to check for the libraries, if installed than
> enable systemd support. This is generic way we use for many libs and
> features. Why do you think that explicit --enable-* will be better?

    Perhaps Ted didn't realize that the line he replaced
was only the default action (1st bracket pair empty => no option).
Initially, I thought the same until I read further
down (two lines):

AS_IF([test "x$with_systemd" != xno], [ ...
   test for positive case ]

If any of the tests fail, then 'have_systemd=no'
is the option passed along.

I don't _think_ Ted is asking for for the default to be
changed, as the subject of his note states it is
to fix the "--without-systemd" case, but a
fix was added for a bug that wasn't present,
so I don't think he knowingly did what he
intended to do.

      reply index

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-24 17:29 Theodore Ts'o
2020-01-28 12:07 ` Karel Zak
2020-01-29  0:15   ` L A Walsh [this message]

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