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From: Randy Dunlap <rdunlap@infradead.org>
To: James Bottomley <James.Bottomley@HansenPartnership.com>,
	linux-kbuild@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, Masahiro Yamada <masahiroy@kernel.org>
Subject: Re: [PATCH 0/1] Add explicit error for missing CONFIG_ASN1
Date: Tue, 22 Sep 2020 11:54:29 -0700	[thread overview]
Message-ID: <dfae4d4f-aa96-674d-93b1-d4c097e720e4@infradead.org> (raw)
In-Reply-To: <20200922155341.17906-1-James.Bottomley@HansenPartnership.com>

On 9/22/20 8:53 AM, James Bottomley wrote:
> I recently ran into this as an error from 0day.  On x86 it's pretty
> much impossible to build a configuration where CONFIG_ASN1 isn't set,
> so you rarely notice a problem using the ASN.1 compiler because
> something else has selected it.  However, this compiler is never built
> if CONFIG_ASN1 isn't set and the error you get from kbuild is
> particularly unhelpful:
> 
>    make[4]: *** No rule to make target 'security/keys/trusted-keys/tpm2key.asn1.o', needed by 'security/keys/trusted-keys/built-in.a'.
>    make[4]: *** [scripts/Makefile.build:283: security/keys/trusted-keys/trusted_tpm2.o] Error 1
>    make[4]: Target '__build' not remade because of errors.
> 
> This patch changes the above error to the much easier to diagnose:
> 
>    scripts/Makefile.build:387: *** CONFIG_ASN1 must be defined for the asn1_compiler.  Stop.
>    make[3]: *** [scripts/Makefile.build:505: security/keys/trusted-keys] Error 2
> 
> James
> 
> ---
> 
> James Bottomley (1):
>   Makefile.build: Add an explicit error for missing ASN.1 compiler
> 
>  scripts/Makefile.build | 5 +++++
>  1 file changed, 5 insertions(+)

Is there a missing
	select ASN1
somewhere?


-- 
~Randy


  parent reply	other threads:[~2020-09-22 18:54 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-22 15:53 [PATCH 0/1] Add explicit error for missing CONFIG_ASN1 James Bottomley
2020-09-22 15:53 ` [PATCH 1/1] Makefile.build: Add an explicit error for missing ASN.1 compiler James Bottomley
2020-09-24 17:18   ` Masahiro Yamada
2020-09-22 18:54 ` Randy Dunlap [this message]
2020-09-22 19:19   ` [PATCH 0/1] Add explicit error for missing CONFIG_ASN1 James Bottomley
2020-09-22 19:38     ` Randy Dunlap
2020-09-22 19:44       ` James Bottomley
2020-09-22 19:46         ` Randy Dunlap
2020-09-22 19:48           ` James Bottomley
2020-09-22 19:52             ` Randy Dunlap

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