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Blackfin: cache result of cpp check 

Avoid overhead of computing this value multiple times.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger 2011-11-02 23:49:03 -04:00
parent ff1a618ad2
commit e29ad970f1
1 changed files with 2 additions and 1 deletions
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3
arch/blackfin/config.mk
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@ -48,9 +48,10 @@ ALL-y += $(obj)u-boot.ldr
endif
ifeq ($(CONFIG_ENV_IS_EMBEDDED_IN_LDR),y)
CREATE_LDR_ENV = $(obj)tools/envcrc --binary > $(obj)env-ldr.o
HOSTCFLAGS_NOPED += \
HOSTCFLAGS_NOPED_ADSP := \
$(shell $(CPP) -dD - -mcpu=$(CONFIG_BFIN_CPU) </dev/null \
| awk '$$2 ~ /ADSP/ { print "-D" $$2 }')
HOSTCFLAGS_NOPED += $(HOSTCFLAGS_NOPED_ADSP)
else
CREATE_LDR_ENV =
endif