kbuild: Check if linker supports the -X option
authorAndi Kleen <andi@firstfloor.org>
Wed, 16 Sep 2009 20:36:55 +0000 (22:36 +0200)
committerSam Ravnborg <sam@ravnborg.org>
Sun, 20 Sep 2009 10:27:42 +0000 (12:27 +0200)
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>
Makefile

index d04ad671147e6c202abddbaebc18cbe5bca34da0..a3b7770b2cdde30032767505cd3d90036d6158f5 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -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.