linux/arch/nds32/Makefile
Greentime Hu d78a62fb34 nds32: fix building failed if using older version gcc.
It will be built failed because these options are not supported by older
version gcc.

Signed-off-by: Greentime Hu <greentime@andestech.com>
2018-03-16 15:45:20 +08:00

68 lines
1.5 KiB
Makefile

LDFLAGS_vmlinux := --no-undefined -X
OBJCOPYFLAGS := -O binary -R .note -R .note.gnu.build-id -R .comment -S
KBUILD_DEFCONFIG := defconfig
comma = ,
KBUILD_CFLAGS += $(call cc-option, -mno-sched-prolog-epilog)
KBUILD_CFLAGS += -mcmodel=large
KBUILD_CFLAGS +=$(arch-y) $(tune-y)
KBUILD_AFLAGS +=$(arch-y) $(tune-y)
#Default value
head-y := arch/nds32/kernel/head.o
textaddr-y := $(CONFIG_PAGE_OFFSET)+0xc000
TEXTADDR := $(textaddr-y)
export TEXTADDR
# If we have a machine-specific directory, then include it in the build.
core-y += arch/nds32/kernel/ arch/nds32/mm/
libs-y += arch/nds32/lib/
LIBGCC_PATH := \
$(shell $(CC) $(KBUILD_CFLAGS) $(KCFLAGS) -print-libgcc-file-name)
libs-y += $(LIBGCC_PATH)
ifneq '$(CONFIG_NDS32_BUILTIN_DTB)' '""'
BUILTIN_DTB := y
else
BUILTIN_DTB := n
endif
ifdef CONFIG_CPU_LITTLE_ENDIAN
KBUILD_CFLAGS += $(call cc-option, -EL)
else
KBUILD_CFLAGS += $(call cc-option, -EB)
endif
boot := arch/nds32/boot
core-$(BUILTIN_DTB) += $(boot)/dts/
.PHONY: FORCE
Image: vmlinux
$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
PHONY += vdso_install
vdso_install:
$(Q)$(MAKE) $(build)=arch/nds32/kernel/vdso $@
prepare: vdso_prepare
vdso_prepare: prepare0
$(Q)$(MAKE) $(build)=arch/nds32/kernel/vdso include/generated/vdso-offsets.h
CLEAN_FILES += include/asm-nds32/constants.h*
# We use MRPROPER_FILES and CLEAN_FILES now
archclean:
$(Q)$(MAKE) $(clean)=$(boot)
define archhelp
echo ' Image - kernel image (arch/$(ARCH)/boot/Image)'
endef