Re: [PATCH] ARM: zImage: Skip relinking if nothing changes

Arnaud Lacombe
2011-08-12T22:17:29Z

Hi,

On Fri, Aug 12, 2011 at 6:03 PM, Sam Ravnborg <sam@ravnborg.org> wrote:
>>
>> I suspect this would have done the job:
>>
>> $(obj)/font.o: $(srctree)/drivers/video/console/font_acorn_8x8.c
>>         $(cmd,cc_o_c)'
>
> I prefer using $(call,shipped) and let kbuild figure out how
> build an .o file from a .c file.
>
> In other words - avoiding use of the internal to Makefile.build
> variables in various places.
>
indeed, but I'd argue that 1) this would not be the first Makefile
using these internal macros (alpha and ia64 are using such construct
for aliasing) and 2) the `cmd_shipped' stuff is as internal than other
functions :-)

I wonder if we could not make kbuild provide an interface for such code-reuse...

- Arnaud