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80c00ba942
It is now possible to assign options to AS and CC
on the command line - which is only used for built-in code.
{A,C}FLAGS_KERNEL was used both in the top-level Makefile
in the arch makefiles, thus users had no way to specify
additional options to AS, CC without overriding
the original value.
Introduce a new set of variables KBUILD_{A,C}FLAGS_KERNEL
that is used by arch specific files and free up
{A,C}FLAGS_KERNEL so they can be assigned on
the command line.
All arch Makefiles that used the old variables has been updated.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
63 lines
1.4 KiB
Makefile
63 lines
1.4 KiB
Makefile
#
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# m32r/Makefile
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#
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# This file is included by the global makefile so that you can add your own
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# architecture-specific flags and dependencies.
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#
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KBUILD_DEFCONFIG := m32700ut.smp_defconfig
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LDFLAGS :=
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OBJCOPYFLAGS := -O binary -R .note -R .comment -S
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LDFLAGS_vmlinux :=
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KBUILD_CFLAGS += -pipe -fno-schedule-insns
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KBUILD_CFLAGS_KERNEL += -mmodel=medium
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KBUILD_CFLAGS_MODULE += -mmodel=large
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ifdef CONFIG_CHIP_VDEC2
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cflags-$(CONFIG_ISA_M32R2) += -DNO_FPU -Wa,-bitinst
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aflags-$(CONFIG_ISA_M32R2) += -DNO_FPU -O2 -Wa,-bitinst -Wa,-no-parallel
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else
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cflags-$(CONFIG_ISA_M32R2) += -DNO_FPU -m32r2
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aflags-$(CONFIG_ISA_M32R2) += -DNO_FPU -m32r2 -O2
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endif
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cflags-$(CONFIG_ISA_M32R) += -DNO_FPU
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aflags-$(CONFIG_ISA_M32R) += -DNO_FPU -O2 -Wa,-no-bitinst
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KBUILD_CFLAGS += $(cflags-y)
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KBUILD_AFLAGS += $(aflags-y)
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CHECKFLAGS += -D__m32r__ -D__BIG_ENDIAN__=1
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head-y := arch/m32r/kernel/head.o arch/m32r/kernel/init_task.o
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LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
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libs-y += arch/m32r/lib/ $(LIBGCC)
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core-y += arch/m32r/kernel/ \
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arch/m32r/mm/ \
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arch/m32r/boot/ \
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arch/m32r/platforms/
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drivers-$(CONFIG_OPROFILE) += arch/m32r/oprofile/
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boot := arch/m32r/boot
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PHONY += zImage
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all: zImage
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zImage: vmlinux
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$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
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compressed: zImage
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archclean:
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$(Q)$(MAKE) $(clean)=$(boot)
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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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