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ARM: 7420/1: Improve build environment isolation 

Increasingly distributions are setting default build environments to
have LDFLAGS with hardening options. There seems to be an assumption
with those options that LDFLAGS are passed to the compiler frontend
rather than used directly with ld (which the kernel build process
assumes)

To prevent build failures in such environments this patch changes the
ARM architecture Makefile to override the LDFLAGS from the environment
similar to the behaviour on other common architectures e.g. x86

Signed-off-by: Vincent Sanders <vince@collabora.co.uk>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Vincent Sanders 2012-03-13 15:34:17 +01:00 committed by Russell King
parent f8f5701bda
commit bcccc50ce8
1 changed files with 3 additions and 0 deletions
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3
arch/arm/Makefile
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@ -10,6 +10,9 @@
#
# Copyright (C) 1995-2001 by Russell King
# Ensure linker flags are correct
LDFLAGS :=
LDFLAGS_vmlinux :=-p --no-undefined -X
ifeq ($(CONFIG_CPU_ENDIAN_BE8),y)
LDFLAGS_vmlinux += --be8