Re: [RFC] Kbuild: allow code re-use across different directories

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于 2011年08月20日 08:37, Arnaud Lacombe 写道:
Hi folks,

The attached patch modify Kbuild to allow to directly re-use code in multiple
directory without having to go through a copy. Technically, it changes Kbuild to
use by default the VPATH feature of GNU make and provides accessors for Makefile
to change it indirectly.
...

With the attached patch, we would do:

arch/foo/boot/Makefile:
LDFLAGS_fancy.o := -DPANTS=30
obj-y += fancy.o
vpath-y += $(srctree)/arch/foo/lib

and let GNU make do the job.

Just note that don't forget to update Documentation/kbuild/makefiles.txt. ;)

Thanks.
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