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Groups > linux.kernel > #1710201

Re: make clean all broken with -j? + question regarding modpost

From Sam Ravnborg <sam@ravnborg.org>
Newsgroups linux.kernel
Subject Re: make clean all broken with -j? + question regarding modpost
Date 2017-08-12 10:10 +0200
Message-ID <udzEB-6uM-1@gated-at.bofh.it> (permalink)
References <ucXSG-7AZ-27@gated-at.bofh.it> <ud0nx-ME-33@gated-at.bofh.it> <ud3Y6-3tF-27@gated-at.bofh.it> <udv7X-3GE-5@gated-at.bofh.it>
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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

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Thread

make clean all broken with -j? + question regarding modpost Thomas Meyer <thomas@m3y3r.de> - 2017-08-10 17:50 +0200
  Re: make clean all broken with -j? + question regarding modpost Randy Dunlap <rdunlap@infradead.org> - 2017-08-10 20:30 +0200
    Re: make clean all broken with -j? + question regarding modpost Jim Davis <jim.epost@gmail.com> - 2017-08-11 00:20 +0200
      Re: make clean all broken with -j? + question regarding modpost Masahiro Yamada <yamada.masahiro@socionext.com> - 2017-08-12 05:20 +0200
        Re: make clean all broken with -j? + question regarding modpost Sam Ravnborg <sam@ravnborg.org> - 2017-08-12 10:10 +0200
        Re: make clean all broken with -j? + question regarding modpost Thomas Meyer <thomas@m3y3r.de> - 2017-08-12 13:20 +0200
    Re: make clean all broken with -j? + question regarding modpost Masahiro Yamada <yamada.masahiro@socionext.com> - 2017-08-12 05:20 +0200
      Re: make clean all broken with -j? + question regarding modpost Thomas Meyer <thomas@m3y3r.de> - 2017-08-12 13:30 +0200
  Re: make clean all broken with -j? + question regarding modpost valdis.kletnieks@vt.edu - 2017-08-11 01:50 +0200

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