Re: [m68k] in modpost: "strlen" [iscsi_target_mod.ko] undefined!(and others)

From: Jonathan Nieder
Date: Sun Jan 01 2012 - 18:40:08 EST


Thorsten Glaser wrote[1]:
> Dixi quodâ

>> So, please, compile the Linux kernel with -ffreestanding, too.
>
> Just to keep this bugreport in the loop: that fixes the FTBFS error.

Yep, sounds like a reasonable idea, though these calls to
"strncat(buf, str, strlen(str))" in the iscsi driver are still a
little insane. Could you suggest a patch to arch/m68k/Makefile to do
that?

Thanks,
Jonathan

[1] http://bugs.debian.org/648996

Background:

commit 6edfba1b33c7
Author: Andi Kleen <ak@xxxxxxx>
Date: Sat Mar 25 16:29:49 2006 +0100

[PATCH] x86_64: Don't define string functions to builtin

gcc should handle this anyways, and it causes problems when
sprintf is turned into strcpy by gcc behind our backs and
the C fallback version of strcpy is actually defining __builtin_strcpy

Then drop -ffreestanding from the main Makefile because it isn't
needed anymore and implies -fno-builtin, which is wrong now.
(it was only added for x86-64, so dropping it should be safe)
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