From: Sam Ravnborg <sam@ravnborg.org>
To: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Jim Davis <jim.epost@gmail.com>,
Randy Dunlap <rdunlap@infradead.org>,
Thomas Meyer <thomas@m3y3r.de>,
linux-kernel <linux-kernel@vger.kernel.org>,
linux-kbuild <linux-kbuild@vger.kernel.org>
Subject: Re: make clean all broken with -j? + question regarding modpost
Date: Sat, 12 Aug 2017 10:06:55 +0200 [thread overview]
Message-ID: <20170812080655.GA19083@ravnborg.org> (raw)
In-Reply-To: <CAK7LNAS3anskx8+9aWQrg+PKkr4L4AdsdWaha=_uMU5VjKpg5A@mail.gmail.com>
Hi Masahiro
>
> Kbuild does not cater to the mixture of clean targets and build targets,
> but I do not know why.
The details has long escaped me but in general we do not want to
have a job deleting all .o files running in parallel with a job that
creates .o files.
So we wanted the following to work:
$make mrproper defconfig
make would in the standard configuration execute "mrproper" and "defconfig"
in parallel which would result in a broken build.
This is the background for some of the ugly hacks in the
top-level makefile.
Sam
next prev parent reply other threads:[~2017-08-12 8:07 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20170810154251.GA23083@localhost.localdomain>
2017-08-10 18:28 ` make clean all broken with -j? + question regarding modpost Randy Dunlap
2017-08-10 22:11 ` Jim Davis
2017-08-12 3:11 ` Masahiro Yamada
2017-08-12 8:06 ` Sam Ravnborg [this message]
2017-08-12 11:13 ` Thomas Meyer
2017-08-12 3:15 ` Masahiro Yamada
2017-08-12 11:21 ` Thomas Meyer
2017-08-10 22:58 ` valdis.kletnieks
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