question in arch/arm/boot/compressed/Makefile

["Y.H. Park" <wegaia@micro-web.co.kr>]

Hi all,

I've been studying the Makefiles of the linux kernel(2.4.16).
I've found the -lgcc($LIBGCC) options enabled when the 'vmlinux' is being made
it's like below.

vmlinux:        $(HEAD) $(OBJS) piggy.o vmlinux.lds
                $(LD) $(ZLDFLAGS) $(HEAD) $(OBJS) piggy.o $(LIBGCC) -o vmlinux 


I don't know why -lgcc option is added to the ld options and why the kernel image needs  libgcc.a .

Thanks.
Park.






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