linux-kernel - [-mm patch] arm build fail: vfpsingle.c

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Message-ID: <20060912200522.GN3775@slug>
Date:	Tue, 12 Sep 2006 20:05:22 +0000
From:	Frederik Deweerdt <deweerdt@...e.fr>
To:	Andrew Morton <akpm@...l.org>
Cc:	linux-kernel@...r.kernel.org, zach.brown@...cle.com,
	rmk+kernel@....linux.org.uk
Subject: [-mm patch] arm build fail: vfpsingle.c

On Tue, Sep 12, 2006 at 12:06:18AM -0700, Andrew Morton wrote:
> 
> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.18-rc6/2.6.18-rc6-mm2/
> 
Hi,

It looks like Zach Brown's patch pr_debug-check-pr_debug-arguments
worked as inteded. That is, it doesn't "allow completely incorrect code
to build." :).

The arm build fails with the following message:
  CC      arch/arm/vfp/vfpsingle.o
  arch/arm/vfp/vfpsingle.c: In function `__vfp_single_normaliseround':
  arch/arm/vfp/vfpsingle.c:201: error: `func' undeclared (first use in
  this function)
  arch/arm/vfp/vfpsingle.c:201: error: (Each undeclared identifier is
  reported only once
  arch/arm/vfp/vfpsingle.c:201: error: for each function it appears in.)
  make[1]: *** [arch/arm/vfp/vfpsingle.o] Error 1
  make: *** [arch/arm/vfp] Error 2

The following patch fixes the issue by using func only when DEBUG is
defined.

Regards,
Frederik


Signed-off-by: Frederik Deweerdt <frederik.deweerdt@...il.com>

--- 2.6.18-rc6-mm2/arch/arm/vfp/vfpsingle.c~	2006-09-12 19:57:50 +0000
+++ 2.6.18-rc6-mm2/arch/arm/vfp/vfpsingle.c	2006-09-12 19:58:07 +0000
@@ -198,8 +198,10 @@ u32 vfp_single_normaliseround(int sd, st
 	vfp_single_dump("pack: final", vs);
 	{
 		s32 d = vfp_single_pack(vs);
+#ifdef DEBUG
 		pr_debug("VFP: %s: d(s%d)=%08x exceptions=%08x\n", func,
 			 sd, d, exceptions);
+#endif
 		vfp_put_float(d, sd);
 	}
 
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