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Commit a75f8b8d authored by Masahiro Yamada's avatar Masahiro Yamada Committed by Michal Marek
Browse files

kbuild,gcov: simplify kernel/gcov/Makefile more 



CONFIG_GCOV_FORMAT_3_4 / _4_7 / _AUTODETECT are exclusive.
Compare the CC version only when _AUTODETECT is enabled.

This change should have no impact.

Signed-off-by: default avatarMasahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Signed-off-by: default avatarMichal Marek <mmarek@suse.cz>
parent 6dcb4e5e

kernel/gcov/Makefile

+4 −19
Original line number Diff line number Diff line 
ccflags-y := -DSRCTREE='"$(srctree)"' -DOBJTREE='"$(objtree)"'



# if-lt

# Usage VAR := $(call if-lt, $(a), $(b))

# Returns 1 if (a < b)

if-lt = $(shell [ $(1) -lt $(2) ] && echo 1)



ifeq ($(CONFIG_GCOV_FORMAT_3_4),y)

  cc-ver := 0304

else ifeq ($(CONFIG_GCOV_FORMAT_4_7),y)

  cc-ver := 0407

else

  cc-ver := $(cc-version)

endif



obj-y := base.o fs.o



ifeq ($(call if-lt, $(cc-ver), 0407),1)

  obj-y += gcc_3_4.o

else

  obj-y += gcc_4_7.o

endif
 
obj-$(CONFIG_GCOV_FORMAT_3_4) += gcc_3_4.o

obj-$(CONFIG_GCOV_FORMAT_4_7) += gcc_4_7.o

obj-$(CONFIG_GCOV_FORMAT_AUTODETECT) += $(call cc-ifversion, -lt, 0407, \

							gcc_3_4.o, gcc_4_7.o)