linux-kernel - Re: linux-next: build failure after merge of the arm tree

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Date:	Wed, 2 Mar 2011 10:55:30 -0500 (EST)
From:	Nicolas Pitre <nicolas.pitre@...aro.org>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
cc:	Russell King <rmk@....linux.org.uk>, linux-next@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: linux-next: build failure after merge of the arm tree

On Thu, 3 Mar 2011, Stephen Rothwell wrote:

> Hi Russell,
> 
> After merging the final tree, the linux-next 20110228 build (lots of arm
> configs) failed like this:
> 
> stat: cannot stat `arch/arm/boot/compressed/../Image': No such file or directory
> gcc-4.4.0-nolibc/arm-linux/bin/arm-linux-ld:--defsym _image_size=: syntax error
> 
> Presumably caused by commit d239b1dc093d551046a909920b5310c1d1e308c1
> ("ARM: 6746/1: remove the 4x expansion presumption while decompressing
> the kernel").

The fix would be this:

diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile
index 9d328be..3c0c68f 100644
--- a/arch/arm/boot/compressed/Makefile
+++ b/arch/arm/boot/compressed/Makefile
@@ -84,7 +84,7 @@ EXTRA_CFLAGS  := -fpic -fno-builtin
 EXTRA_AFLAGS  := -Wa,-march=all
 
 # Provide size of uncompressed kernel to the decompressor via a linker symbol.
-LDFLAGS_vmlinux := --defsym _image_size=$(shell stat -c "%s" $(obj)/../Image)
+LDFLAGS_vmlinux = --defsym _image_size=$(shell stat -c "%s" $(obj)/../Image)
 # Supply ZRELADDR to the decompressor via a linker symbol.
 ifneq ($(CONFIG_AUTO_ZRELADDR),y)
 LDFLAGS_vmlinux += --defsym zreladdr=$(ZRELADDR)

Russell: can you fold this fix in the original patch, or do you prefer I 
send you this fix separately?


Nicolas
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