linux-kernel - Re: 'make O=' indigestion with module signing

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Message-ID: <159991.1615539999@turing-police>
Date:   Fri, 12 Mar 2021 04:06:39 -0500
From:   "Valdis Klētnieks" <valdis.kletnieks@...edu>
To:     David Howells <dhowells@...hat.com>
Cc:     David Woodhouse <dwmw2@...radead.org>, keyrings@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: 'make O=' indigestion with module signing

On Fri, 12 Mar 2021 09:01:36 +0000, David Howells said:

> Possibly I can add something like:
>
> 	clean-files := signing_key.pem x509.genkey
>
> inside the
>
> 	ifeq ($(CONFIG_MODULE_SIG_KEY),"certs/signing_key.pem")
> 	...
> 	endif

Would that remove them on a 'make clean', or only a 'make mrproper'?
The latter sounds like the correct solution to me, as the signing key should
have (roughly) the same lifetime rules as the .config file.

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