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s390: always set -march compiler option

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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: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens 2013-09-11 09:29:33 +02:00 committed by Martin Schwidefsky
parent e344e52c7c
commit faf499dfcc
1 changed files with 7 additions and 7 deletions
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14
arch/s390/Makefile
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@ -35,13 +35,13 @@ endif
export LD_BFD export LD_BFD
cflags-$(CONFIG_MARCH_G5) += $(call cc-option,-march=g5) cflags-$(CONFIG_MARCH_G5) += -march=g5
cflags-$(CONFIG_MARCH_Z900) += $(call cc-option,-march=z900) cflags-$(CONFIG_MARCH_Z900) += -march=z900
cflags-$(CONFIG_MARCH_Z990) += $(call cc-option,-march=z990) cflags-$(CONFIG_MARCH_Z990) += -march=z990
cflags-$(CONFIG_MARCH_Z9_109) += $(call cc-option,-march=z9-109) cflags-$(CONFIG_MARCH_Z9_109) += -march=z9-109
cflags-$(CONFIG_MARCH_Z10) += $(call cc-option,-march=z10) cflags-$(CONFIG_MARCH_Z10) += -march=z10
cflags-$(CONFIG_MARCH_Z196) += $(call cc-option,-march=z196) cflags-$(CONFIG_MARCH_Z196) += -march=z196
cflags-$(CONFIG_MARCH_ZEC12) += $(call cc-option,-march=zEC12) cflags-$(CONFIG_MARCH_ZEC12) += -march=zEC12
#KBUILD_IMAGE is necessary for make rpm #KBUILD_IMAGE is necessary for make rpm
KBUILD_IMAGE :=arch/s390/boot/image KBUILD_IMAGE :=arch/s390/boot/image