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6588169d51
It is now possible to assign options to AS, CC and LD
on the command line - which is only used when building modules.
{A,C,LD}FLAGS_MODULE was all used both in the top-level Makefile
in the arch makefiles, thus users had no way to specify
additional options to AS, CC, LD when building modules
without overriding the original value.
Introduce a new set of variables KBUILD_{A,C,LD}FLAGS_MODULE
that is used by arch specific files and free up
{A,C,LD}FLAGS_MODULE so they can be assigned on
the command line.
All arch Makefiles that used the old variables has been updated.
Note: Previously we had a MODFLAGS variable for both
AS and CC. But in favour of consistency this was dropped.
So in some cases arch Makefile has one assignmnet replaced by
two assignmnets.
Note2: MODFLAGS was not documented and is dropped
without any notice. I do not expect much/any breakage
from this.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Denys Vlasenko <vda.linux@googlemail.com>
Cc: Haavard Skinnemoen <hskinnemoen@atmel.com>
Cc: Mike Frysinger <vapier@gentoo.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Chen Liqin <liqin.chen@sunplusct.com>
Acked-by: Mike Frysinger <vapier@gentoo.org> [blackfin]
Acked-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com> [avr32]
Signed-off-by: Michal Marek <mmarek@suse.cz>
164 lines
5.2 KiB
Makefile
164 lines
5.2 KiB
Makefile
#
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# arch/blackfin/Makefile
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#
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# This file is subject to the terms and conditions of the GNU General Public
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# License. See the file "COPYING" in the main directory of this archive
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# for more details.
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#
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ifeq ($(CROSS_COMPILE),)
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CROSS_COMPILE := bfin-uclinux-
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endif
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LDFLAGS_vmlinux := -X
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OBJCOPYFLAGS := -O binary -R .note -R .comment -S
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GZFLAGS := -9
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KBUILD_CFLAGS += $(call cc-option,-mno-fdpic)
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KBUILD_AFLAGS += $(call cc-option,-mno-fdpic)
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KBUILD_CFLAGS_MODULE += -mlong-calls
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KBUILD_LDFLAGS_MODULE += -m elf32bfin
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KALLSYMS += --symbol-prefix=_
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KBUILD_DEFCONFIG := BF537-STAMP_defconfig
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# setup the machine name and the machine dependent settings
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machine-$(CONFIG_BF512) := bf518
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machine-$(CONFIG_BF514) := bf518
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machine-$(CONFIG_BF516) := bf518
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machine-$(CONFIG_BF518) := bf518
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machine-$(CONFIG_BF522) := bf527
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machine-$(CONFIG_BF523) := bf527
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machine-$(CONFIG_BF524) := bf527
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machine-$(CONFIG_BF525) := bf527
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machine-$(CONFIG_BF526) := bf527
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machine-$(CONFIG_BF527) := bf527
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machine-$(CONFIG_BF531) := bf533
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machine-$(CONFIG_BF532) := bf533
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machine-$(CONFIG_BF533) := bf533
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machine-$(CONFIG_BF534) := bf537
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machine-$(CONFIG_BF536) := bf537
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machine-$(CONFIG_BF537) := bf537
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machine-$(CONFIG_BF538) := bf538
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machine-$(CONFIG_BF539) := bf538
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machine-$(CONFIG_BF542) := bf548
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machine-$(CONFIG_BF542M) := bf548
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machine-$(CONFIG_BF544) := bf548
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machine-$(CONFIG_BF544M) := bf548
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machine-$(CONFIG_BF547) := bf548
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machine-$(CONFIG_BF547M) := bf548
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machine-$(CONFIG_BF548) := bf548
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machine-$(CONFIG_BF548M) := bf548
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machine-$(CONFIG_BF549) := bf548
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machine-$(CONFIG_BF549M) := bf548
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machine-$(CONFIG_BF561) := bf561
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MACHINE := $(machine-y)
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export MACHINE
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cpu-$(CONFIG_BF512) := bf512
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cpu-$(CONFIG_BF514) := bf514
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cpu-$(CONFIG_BF516) := bf516
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cpu-$(CONFIG_BF518) := bf518
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cpu-$(CONFIG_BF522) := bf522
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cpu-$(CONFIG_BF523) := bf523
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cpu-$(CONFIG_BF524) := bf524
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cpu-$(CONFIG_BF525) := bf525
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cpu-$(CONFIG_BF526) := bf526
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cpu-$(CONFIG_BF527) := bf527
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cpu-$(CONFIG_BF531) := bf531
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cpu-$(CONFIG_BF532) := bf532
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cpu-$(CONFIG_BF533) := bf533
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cpu-$(CONFIG_BF534) := bf534
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cpu-$(CONFIG_BF536) := bf536
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cpu-$(CONFIG_BF537) := bf537
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cpu-$(CONFIG_BF538) := bf538
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cpu-$(CONFIG_BF539) := bf539
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cpu-$(CONFIG_BF542) := bf542
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cpu-$(CONFIG_BF542M) := bf542m
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cpu-$(CONFIG_BF544) := bf544
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cpu-$(CONFIG_BF544M) := bf544m
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cpu-$(CONFIG_BF547) := bf547
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cpu-$(CONFIG_BF547M) := bf547m
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cpu-$(CONFIG_BF548) := bf548
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cpu-$(CONFIG_BF548M) := bf548m
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cpu-$(CONFIG_BF549) := bf549
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cpu-$(CONFIG_BF549M) := bf549m
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cpu-$(CONFIG_BF561) := bf561
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rev-$(CONFIG_BF_REV_0_0) := 0.0
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rev-$(CONFIG_BF_REV_0_1) := 0.1
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rev-$(CONFIG_BF_REV_0_2) := 0.2
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rev-$(CONFIG_BF_REV_0_3) := 0.3
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rev-$(CONFIG_BF_REV_0_4) := 0.4
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rev-$(CONFIG_BF_REV_0_5) := 0.5
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rev-$(CONFIG_BF_REV_0_6) := 0.6
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rev-$(CONFIG_BF_REV_NONE) := none
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rev-$(CONFIG_BF_REV_ANY) := any
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KBUILD_CFLAGS += -mcpu=$(cpu-y)-$(rev-y)
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KBUILD_AFLAGS += -mcpu=$(cpu-y)-$(rev-y)
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# - we utilize the silicon rev from the toolchain, so move it over to the checkflags
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# - the l1_text attribute is Blackfin specific, so fake it out as used to kill warnings
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CHECKFLAGS_SILICON = $(shell echo "" | $(CPP) $(KBUILD_CFLAGS) -dD - 2>/dev/null | awk '$$2 == "__SILICON_REVISION__" { print $$3 }')
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CHECKFLAGS += -D__SILICON_REVISION__=$(CHECKFLAGS_SILICON) -Dl1_text=__used__
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head-y := arch/$(ARCH)/kernel/init_task.o
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core-y += arch/$(ARCH)/kernel/ arch/$(ARCH)/mm/ arch/$(ARCH)/mach-common/
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# If we have a machine-specific directory, then include it in the build.
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ifneq ($(machine-y),)
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core-y += arch/$(ARCH)/mach-$(MACHINE)/
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core-y += arch/$(ARCH)/mach-$(MACHINE)/boards/
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endif
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ifeq ($(CONFIG_MPU),y)
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core-y += arch/$(ARCH)/kernel/cplb-mpu/
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else
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core-y += arch/$(ARCH)/kernel/cplb-nompu/
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endif
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drivers-$(CONFIG_OPROFILE) += arch/$(ARCH)/oprofile/
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libs-y += arch/$(ARCH)/lib/
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machdirs := $(patsubst %,arch/blackfin/mach-%/, $(machine-y))
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KBUILD_CFLAGS += -Iarch/$(ARCH)/include/
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KBUILD_CFLAGS += -Iarch/$(ARCH)/mach-$(MACHINE)/include
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KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs))
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CLEAN_FILES += \
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arch/$(ARCH)/include/asm/asm-offsets.h \
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arch/$(ARCH)/kernel/asm-offsets.s \
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archclean:
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$(Q)$(MAKE) $(clean)=$(boot)
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INSTALL_PATH ?= /tftpboot
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boot := arch/$(ARCH)/boot
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BOOT_TARGETS = vmImage vmImage.bin vmImage.bz2 vmImage.gz vmImage.lzma
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PHONY += $(BOOT_TARGETS) install
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KBUILD_IMAGE := $(boot)/vmImage
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all: vmImage
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$(BOOT_TARGETS): vmlinux
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$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
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install:
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$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install
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define archhelp
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echo '* vmImage - Alias to selected kernel format (vmImage.gz by default)'
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echo ' vmImage.bin - Uncompressed Kernel-only image for U-Boot (arch/$(ARCH)/boot/vmImage.bin)'
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echo ' vmImage.bz2 - Kernel-only image for U-Boot (arch/$(ARCH)/boot/vmImage.bz2)'
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echo '* vmImage.gz - Kernel-only image for U-Boot (arch/$(ARCH)/boot/vmImage.gz)'
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echo ' vmImage.lzma - Kernel-only image for U-Boot (arch/$(ARCH)/boot/vmImage.lzma)'
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echo ' install - Install kernel using'
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echo ' (your) ~/bin/$(INSTALLKERNEL) or'
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echo ' (distribution) PATH: $(INSTALLKERNEL) or'
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echo ' install to $$(INSTALL_PATH)'
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endef
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