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9957423f03
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> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
107 lines
2.8 KiB
Makefile
107 lines
2.8 KiB
Makefile
###############################################################################
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#
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# MN10300 Kernel makefile system specifications
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#
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# Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
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# Modified by David Howells (dhowells@redhat.com)
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public Licence
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# as published by the Free Software Foundation; either version
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# 2 of the Licence, or (at your option) any later version.
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#
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###############################################################################
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KBUILD_DEFCONFIG := asb2303_defconfig
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CCSPECS := $(shell $(CC) -v 2>&1 | grep "^Reading specs from " | head -1 | cut -c20-)
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CCDIR := $(strip $(patsubst %/specs,%,$(CCSPECS)))
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KBUILD_CPPFLAGS += -nostdinc -I$(CCDIR)/include
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LDFLAGS :=
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OBJCOPYFLAGS := -O binary -R .note -R .comment -R .GCC-command-line -R .note.gnu.build-id -S
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#LDFLAGS_vmlinux := -Map linkmap.txt
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CHECKFLAGS +=
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PROCESSOR := unset
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UNIT := unset
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KBUILD_CFLAGS += -mam33 -DCPU=AM33 $(call cc-option,-mmem-funcs,)
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KBUILD_AFLAGS += -mam33 -DCPU=AM33
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ifeq ($(CONFIG_MN10300_CURRENT_IN_E2),y)
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KBUILD_CFLAGS += -ffixed-e2 -fcall-saved-e5
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endif
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ifeq ($(CONFIG_MN10300_PROC_MN103E010),y)
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PROCESSOR := mn103e010
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endif
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ifeq ($(CONFIG_MN10300_PROC_MN2WS0050),y)
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PROCESSOR := mn2ws0050
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endif
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ifeq ($(CONFIG_MN10300_UNIT_ASB2303),y)
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UNIT := asb2303
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endif
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ifeq ($(CONFIG_MN10300_UNIT_ASB2305),y)
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UNIT := asb2305
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endif
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ifeq ($(CONFIG_MN10300_UNIT_ASB2364),y)
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UNIT := asb2364
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endif
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head-y := arch/mn10300/kernel/head.o
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core-y += arch/mn10300/kernel/ arch/mn10300/mm/
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ifneq ($(PROCESSOR),unset)
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core-y += arch/mn10300/proc-$(PROCESSOR)/
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endif
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ifneq ($(UNIT),unset)
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core-y += arch/mn10300/unit-$(UNIT)/
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endif
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libs-y += arch/mn10300/lib/
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drivers-$(CONFIG_OPROFILE) += arch/mn10300/oprofile/
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boot := arch/mn10300/boot
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.PHONY: zImage
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KBUILD_IMAGE := $(boot)/zImage
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CLEAN_FILES += $(boot)/zImage
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CLEAN_FILES += $(boot)/compressed/vmlinux
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CLEAN_FILES += $(boot)/compressed/vmlinux.bin
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CLEAN_FILES += $(boot)/compressed/vmlinux.bin.gz
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zImage: vmlinux
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$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
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all: zImage
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bootstrap:
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$(Q)$(MAKEBOOT) bootstrap
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archclean:
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$(Q)$(MAKE) $(clean)=arch/mn10300/proc-mn103e010
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$(Q)$(MAKE) $(clean)=arch/mn10300/unit-asb2303
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$(Q)$(MAKE) $(clean)=arch/mn10300/unit-asb2305
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define archhelp
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echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
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endef
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# If you make sure the .S files get compiled with debug info,
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# uncomment the following to disable optimisations
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# that are unhelpful whilst debugging.
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ifdef CONFIG_DEBUG_INFO
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#KBUILD_CFLAGS += -O1
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KBUILD_AFLAGS += -Wa,--gdwarf2
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endif
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#
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# include the appropriate processor- and unit-specific headers
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#
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KBUILD_CPPFLAGS += -I$(srctree)/arch/mn10300/proc-$(PROCESSOR)/include
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KBUILD_CPPFLAGS += -I$(srctree)/arch/mn10300/unit-$(UNIT)/include
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