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cris: Only build flash rescue image if CONFIG_ETRAX_AXISFLASHMAP is selected
If CONFIG_ETRAX_AXISFLASHMAP is not configured, the flash rescue image
object file is empty. With recent versions of binutils, this results
in the following build error.
cris-linux-objcopy: error:
the input file 'arch/cris/boot/rescue/rescue.o' has no sections
This is seen, for example, when trying to build cris:allnoconfig
with recently generated toolchains.
Since it does not make sense to build a flash rescue image if there is
no flash, only build it if CONFIG_ETRAX_AXISFLASHMAP is enabled.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Fixes: 66ab3a74c5
("CRIS: Merge machine dependent boot/compressed ..")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
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@ -10,6 +10,9 @@
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asflags-y += $(LINUXINCLUDE)
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ccflags-y += -O2 $(LINUXINCLUDE)
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ifdef CONFIG_ETRAX_AXISFLASHMAP
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arch-$(CONFIG_ETRAX_ARCH_V10) = v10
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arch-$(CONFIG_ETRAX_ARCH_V32) = v32
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@ -28,6 +31,11 @@ $(obj)/rescue.bin: $(obj)/rescue.o FORCE
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$(call if_changed,objcopy)
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cp -p $(obj)/rescue.bin $(objtree)
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else
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$(obj)/rescue.bin:
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endif
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$(obj)/testrescue.bin: $(obj)/testrescue.o
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$(OBJCOPY) $(OBJCOPYFLAGS) $(obj)/testrescue.o tr.bin
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# Pad it to 784 bytes
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