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Commit faf499df authored by Heiko Carstens's avatar Heiko Carstens Committed by Martin Schwidefsky
Browse files

s390: always set -march compiler option 



Currently we only set the -march compiler option if the kbuild
system figured out that the compiler actually supports the selected
architecture (cc-option test).

In result this means that no -march compiler option is set when an
unsupported cpu architecture of the current compiler is selected.
The kernel compile will afterwards succeed but with the default
architecture instead of the (unsupported) selected one.

Change this behaviour, so compiles will fail if the compiler does
not support the selected cpu architecture.

Signed-off-by: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent e344e52c

arch/s390/Makefile

+7 −7
Original line number Diff line number Diff line
@@ -35,13 +35,13 @@ endif 


export LD_BFD



cflags-$(CONFIG_MARCH_G5)   += $(call cc-option,-march=g5)

cflags-$(CONFIG_MARCH_Z900) += $(call cc-option,-march=z900)

cflags-$(CONFIG_MARCH_Z990) += $(call cc-option,-march=z990)

cflags-$(CONFIG_MARCH_Z9_109) += $(call cc-option,-march=z9-109)

cflags-$(CONFIG_MARCH_Z10) += $(call cc-option,-march=z10)

cflags-$(CONFIG_MARCH_Z196) += $(call cc-option,-march=z196)

cflags-$(CONFIG_MARCH_ZEC12) += $(call cc-option,-march=zEC12)

cflags-$(CONFIG_MARCH_G5)     += -march=g5

cflags-$(CONFIG_MARCH_Z900)   += -march=z900

cflags-$(CONFIG_MARCH_Z990)   += -march=z990

cflags-$(CONFIG_MARCH_Z9_109) += -march=z9-109

cflags-$(CONFIG_MARCH_Z10)    += -march=z10

cflags-$(CONFIG_MARCH_Z196)   += -march=z196

cflags-$(CONFIG_MARCH_ZEC12)  += -march=zEC12



#KBUILD_IMAGE is necessary for make rpm

KBUILD_IMAGE	:=arch/s390/boot/image