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fix arm kernel builds with recent binutils versions

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10079 3c298f89-4303-0410-b956-a3cf2f4a3e73
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kaloz 2008-01-01 19:32:29 +00:00
parent 9fe061d4a7
commit 8e9a77d85d
1 changed files with 37 additions and 0 deletions
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37
target/linux/generic-2.6/patches-2.6.23/910-arm_binutils_build_id_fix.patch Normal file
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From: Lennert Buytenhek <buytenh@wantstofly.org>
Date: Fri, 12 Oct 2007 13:38:54 +0000 (+0100)
Subject: [ARM] 4600/1: fix kernel build failure with build-id-supporting binutils
X-Git-Tag: v2.6.24-rc1~1273^2~3
X-Git-Url: http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Ftorvalds%2Flinux-2.6.git;a=commitdiff_plain;h=1e621a8e3752367d4aae78a8ab00a18fb2793f34;hp=033b8ffe3f1ea8174d51d125838ac6deea60f63f
[ARM] 4600/1: fix kernel build failure with build-id-supporting binutils
Newer versions of binutils support --build-id, which adds an ELF
note section called ".note.gnu.build-id" to the output. On the ARM
kernel build, because there is no explicit mention of this section
in the shipped ld script, this section is placed at vaddr 0x00000000
(whereas the normal kernel text/data typically starts at vaddr
0xc0008000), causing the output of objcopy (Image) to produce a 3G+
file.
This patch makes objcopy strip the .note.gnu.build-id section from
the Image file along with all other note sections, which fixes the
build.
Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index fa4ea9f..6c2d539 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -12,7 +12,7 @@
LDFLAGS_vmlinux :=-p --no-undefined -X
CPPFLAGS_vmlinux.lds = -DTEXT_OFFSET=$(TEXT_OFFSET)
-OBJCOPYFLAGS :=-O binary -R .note -R .comment -S
+OBJCOPYFLAGS :=-O binary -R .note -R .note.gnu.build-id -R .comment -S
GZFLAGS :=-9
#CFLAGS +=-pipe
# Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb: