Re: [PATCH] kselftest: using built-in rule when delete file

From: Michael Ellerman
Date: Wed Sep 23 2015 - 22:07:56 EST


On Thu, 2015-09-24 at 10:05 +0800, long.wanglong wrote:
> On 2015/9/24 9:46, Michael Ellerman wrote:
> > On Wed, 2015-09-23 at 09:40 +0000, Wang Long wrote:
> >> Use make's built-in rules to when delete a file
> >> or delete files.
> >
> > It's not a built-in rule, it's a variable.
>
> SorryïI did not describe clearly. It is a variable used as
> name of program in built-in rules.
>
> > Personally I think using rm directly is clearer, but I guess this is fine. Do
> > you actually want to override $RM ?
>
> So far, I do not want to override $(RM). But I found that some test's Makefile
> using *$(RM)* while the other's using *rm -f*, I think it is better to use one
> of them in all unit tests.
>
> Do you think which one is better?

I prefer just using rm -f, because it's less magic, everyone knows what it does.

cheers



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