Re: [PATCH RFC 1/6] selftests: remove duplicated all and clean target

From: Michael Ellerman
Date: Mon Nov 21 2016 - 03:54:04 EST

"Zhangjian (Bamvor)" <bamvor.zhangjian@xxxxxxxxxx> writes:
> On 2016/11/18 18:31, Michael Ellerman wrote:
> >bamvor.zhangjian@xxxxxxxxxx writes:
> >> From: Bamvor Jian Zhang <bamvor.zhangjian@xxxxxxxxxx>
> >> Currently, kselftest use TEST_PROGS, TEST_PROGS_EXTENDED, TEST_FILES to
> >> indicate the default test program, extended test program and test files.
> >> These lead to duplicated all and clean targets.
> >>
> >> In order to remove them, introduce TEST_GEN_PROGS,
> >> TEST_GEN_PROGS_EXTENDED, TEST_GEN_FILES to indicate the compiled
> >> objected.
> >
> >It's nice to be able to drop the clean rules, but renaming all those
> >variables causes a lot of churn.
> >
> >I think it would be better if we add a new variable, maybe NO_CLEAN,
> >which can be used to specify anything in TEST_PROGS/EXTENDED which
> >should *not* be cleaned.
> >
> >And then the default clean rule will just do:
> >
> >clean:
> > $(RM) -fr $(filter-out $(NO_CLEAN),$(TEST_PROGS))

> Maybe I lost somewhere. I add these variable for all and
> clean target. They will be used to output the objects to OUTPUT
> directory.

No you're right, that won't work as I described it.

I reviewed this patch first and didn't look at how it was required for
patch 6 to work (and the change log doesn't mention that you need it for
patch 6 :)

> Could you please explain in details how should I do it for
> "all" target if I do not introduce TEST_GEN_PROGS,

I'll have to think about it a bit more.