mirror of https://gitee.com/openkylin/linux.git
s390/build: remove obsolete -mkernel-backchain flag
-mkernel-backchain cc flag is obsolete since quite a while, and not present in minimal (supported by s390) gcc version 4.3. Removing it. Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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@ -52,13 +52,6 @@ cflags-y += -Wa,-I$(srctree)/arch/$(ARCH)/include
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#
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cflags-$(CONFIG_FRAME_POINTER) += -fno-optimize-sibling-calls
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# old style option for packed stacks
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ifeq ($(call cc-option-yn,-mkernel-backchain),y)
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cflags-$(CONFIG_PACK_STACK) += -mkernel-backchain -D__PACK_STACK
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aflags-$(CONFIG_PACK_STACK) += -D__PACK_STACK
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endif
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# new style option for packed stacks
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ifeq ($(call cc-option-yn,-mpacked-stack),y)
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cflags-$(CONFIG_PACK_STACK) += -mpacked-stack -D__PACK_STACK
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aflags-$(CONFIG_PACK_STACK) += -D__PACK_STACK
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