Re: [PATCH] kbuild: fix if_change and friends to consider argument order

From: Masahiro Yamada
Date: Thu May 05 2016 - 14:00:35 EST

2016-05-05 23:49 GMT+09:00 Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>:
> 2016-05-05 17:08 GMT+09:00 Woodhouse, David <david.woodhouse@xxxxxxxxx>:
>> On Thu, 2016-05-05 at 16:45 +0900, Masahiro Yamada wrote:
>>> This commit fixes arg-check to compare two strings as a whole.
>>> $(strip ...) is important because we want to ignore the difference
>>> that comes from white-spaces.
>> Do we?
>> I can construct a hypothetical situation in which whitespace differs
>> and we *do* want it to make a difference (for example I used to sign
>> with a key called 'My Signing Key.pem' and now I've changed to use
>> 'My Signing Key.pem'. (OK, it's a *stupid* example but still...)
>> I couldn't come up with the converse â where whitespace does change for
>> some reason, but we really don't want to rebuild.
>> Should we err on the side of caution, and let whitespace changes
>> trigger a rebuild?
>> --
>> David Woodhouse Open Source Technology Centre
>> David.Woodhouse@xxxxxxxxx Intel Corporation
> Please hold on.
> I noticed some side effect on this patch.
> I need to test it more carefully.

This patch is not working at all.
Please disregard it.

Probably, I will send v2 in a few days.

Best Regards
Masahiro Yamada