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mn10300: only add -mmem-funcs to KBUILD_CFLAGS if gcc supports it 

commit 9957423f035c2071f6d1c5d2f095cdafbeb25ad7 upstream.

It seems the current (gcc 4.6.3) no longer provides this so make it
conditional.

As reported by Tony before, the mn10300 architecture cross-compiles with
gcc-4.6.3 if -mmem-funcs is not added to KBUILD_CFLAGS.

Reported-by: Tony Breeds <tony@bakeyournoodle.com>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: David Howells <dhowells@redhat.com>
Cc: Koichi Yasutake <yasutake.koichi@jp.panasonic.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Geert Uytterhoeven 2012-10-04 17:11:13 -07:00 committed by Greg Kroah-Hartman
parent 399abb8918
commit 605843502b
1 changed files with 1 additions and 1 deletions
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2
arch/mn10300/Makefile
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@ -26,7 +26,7 @@ CHECKFLAGS +=
PROCESSOR := unset
UNIT := unset
KBUILD_CFLAGS += -mam33 -mmem-funcs -DCPU=AM33
KBUILD_CFLAGS += -mam33 -DCPU=AM33 $(call cc-option,-mmem-funcs,)
KBUILD_AFLAGS += -mam33 -DCPU=AM33
ifeq ($(CONFIG_MN10300_CURRENT_IN_E2),y)