linux-kernel - Re: [PATCH 18/28] kbuild: fail kernel compilation in case of unresolved module symbols

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Message-ID: <20060924222026.GS29920@ftp.linux.org.uk>
Date:	Sun, 24 Sep 2006 23:20:26 +0100
From:	Al Viro <viro@....linux.org.uk>
To:	sam@...nborg.org
Cc:	linux-kernel@...r.kernel.org, Kirill Korotaev <dev@...nvz.org>,
	Andrey Mirkin <amirkin@...ru>, Andrew Morton <akpm@...l.org>
Subject: Re: [PATCH 18/28] kbuild: fail kernel compilation in case of unresolved module symbols

On Sun, Sep 24, 2006 at 11:18:14PM +0200, sam@...nborg.org wrote:
> From: Kirill Korotaev <dev@...nvz.org>
> 
> At stage 2 modpost utility is used to check modules.  In case of unresolved
> symbols modpost only prints warning.
> 
> IMHO it is a good idea to fail compilation process in case of unresolved
> symbols (at least in modules coming with kernel), since usually such errors
> are left unnoticed, but kernel modules are broken.
> 
> - new option '-w' is added to modpost:
>   if option is specified, modpost only warns about unresolved symbols
> 
> - modpost is called with '-w' for external modules in Makefile.modpost

Oh, joy...  Could you add a way to tell kbuild that old behaviour is,
in fact, desired?  make MODPOST_FLAGS=-w or something along these lines...
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