mirror of https://gitee.com/openkylin/linux.git
[PATCH] ARM: 2778/1: Add -mno-thumb-interwork to CFLAGS_ABI
Patch from Catalin Marinas The new EABI gcc adds -mthumb-interwork by default, even if -mabi=apcs-gnu is passed. This causes a warning for every compiled C file when -march=armv4 is used. The patch adds -mno-thumb-interwork if the option is supported. This is also useful since we don't need any ARM/Thumb interworking in the kernel Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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@ -56,7 +56,7 @@ tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110)
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tune-$(CONFIG_CPU_V6) :=-mtune=strongarm
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# Need -Uarm for gcc < 3.x
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CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu)
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CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
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CFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
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AFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) -msoft-float
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