[uClinux-dev] why empty.o?

Tom Walsh tom at cyberiansoftware.com
Tue Nov 13 11:45:37 EST 2001

> zhanglei wrote:
> Dear all:
> I have found two interesting lines below in
> /opt/uClinux/linux/arch/m68knommu/platform/68EZ328/Rules.make.
> flash.s19: linux.bin arch/$(ARCH)/empty.o
>         $(CROSS_COMPILE)objcopy -v -R .text -R .data -R .bss
> --add-section=.fs=linux.bin --adjust-se
> ction-vma=.fs=$(FLASH_LOAD_ADDR) arch/$(ARCH)/empty.o flash.s19
> romfs.s19: romfs.img arch/$(ARCH)/empty.o
>         $(CROSS_COMPILE)objcopy -v -R .text -R .data -R .bss
> --add-section=.fs=romfs.img --adjust-se
> ction-vma=.fs=$(ROMFS_LOAD_ADDR) arch/$(ARCH)/empty.o romfs.s19
>         $(CROSS_COMPILE)objcopy -O srec romfs.s19

Make can be "bitchy" at times...  Perhaps this is the easiest way to see
that these rules always run?


Tom Walsh - WN3L - Embedded Systems Consultant
http://openhardware.net, http://cyberiansoftware.com
"Windows? No thanks, I have work to do..."
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