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kbuild: Check if linker supports the -X option 

The new alternative `gold' linker in recent binutils doesn't support
the -X option. This breaks allyesconfig builds that have
CONFIG_STRIP_ASM_SYMS enabled. Check if the linker really supports
the option using ld-option.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
This commit is contained in:
Andi Kleen 2009-09-16 22:36:55 +02:00 committed by Sam Ravnborg
parent 691ef3e7fd
commit d79a27195a
1 changed files with 1 additions and 1 deletions
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Makefile
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@ -640,7 +640,7 @@ LDFLAGS_MODULE += $(LDFLAGS_BUILD_ID)
LDFLAGS_vmlinux += $(LDFLAGS_BUILD_ID)
ifeq ($(CONFIG_STRIP_ASM_SYMS),y)
LDFLAGS_vmlinux += -X
LDFLAGS_vmlinux += $(call ld-option, -X,)
endif
# Default kernel image to build when no specific target is given.