linux-kernel - Re: Bug#648996: linux-2.6: FTBFS [m68k] in modpost: "strlen" [iscsi_target

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Message-ID: <Pine.BSM.4.64L.1112181929380.856@herc.mirbsd.org>
Date:	Sun, 18 Dec 2011 19:33:02 +0000 (UTC)
From:	Thorsten Glaser <tg@...ian.org>
To:	linux-kernel@...r.kernel.org
cc:	648996@...s.debian.org, debian-68k@...ts.debian.org,
	Bastian Blank <waldi@...ian.org>
Subject: Re: Bug#648996: linux-2.6: FTBFS [m68k] in modpost: "strlen"
 [iscsi_target_mod.ko] undefined! (and others)

Dixi quod…

>I suspect gcc emitting a call to strFOO for __builtin_strFOO.

And indeed, it does; waldi just pointed me to the fact that the
Linux kernel, despite being a kernel and not a hosted environment,
does not use -ffreestanding in its CFLAGS. No surprise it does
that, then.

When I first upgraded from gcc 2.x to gcc 3.x in MirBSD, the kernel
inherited from OpenBSD had similar issues, and adding -ffreestanding
as should be fixed that.

So, please, compile the Linux kernel with -ffreestanding, too.

bye,
//mirabilos
-- 
In traditional syntax ' is ignored, but in c99 everything between two ' is
handled as character constant.  Therefore you cannot use ' in a preproces-
sing file in c99 mode.	-- Ragge
No faith left in ISO C99, undefined behaviour, etc.
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