From: "Yann E. MORIN" <yann.morin.1998@free.fr>
To: Quentin Schulz <foss+buildroot@0leil.net>
Cc: Quentin Schulz <quentin.schulz@theobroma-systems.com>,
buildroot@buildroot.org
Subject: Re: [Buildroot] [PATCH] Makefile: error out printvars target when VARS is empty or unset
Date: Wed, 3 Aug 2022 19:07:43 +0200 [thread overview]
Message-ID: <20220803170743.GA3274256@scaer> (raw)
In-Reply-To: <20220802123559.2514433-1-foss+buildroot@0leil.net>
Quentin, All,
On 2022-08-02 14:35 +0200, Quentin Schulz spake thusly:
> From: Quentin Schulz <quentin.schulz@theobroma-systems.com>
>
> printvars returns nothing when VARS is not passed or empty. This is done
> on purpose, see commit fd5bd12379dc ("Makefile: printvars: don't print
> anything when VARS is not set").
>
> An error message making explicit what is required from the user in order
> to use printvars is however better than silently doing nothing.
>
> This adds a check for a non-empty VARS variable.
>
> Cc: Quentin Schulz <foss+buildroot@0leil.net>
> Signed-off-by: Quentin Schulz <quentin.schulz@theobroma-systems.com>
Applied to master, thanks.
Regards,
Yann E. MORIN.
> ---
> Makefile | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/Makefile b/Makefile
> index a743e42f91..3cbcfa9196 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -1058,6 +1058,10 @@ endif
> # to workaround a bug in make 4.3; see https://savannah.gnu.org/bugs/?59093
> .PHONY: printvars
> printvars:
> +ifndef VARS
> + @echo "Please pass a non-empty VARS to 'make printvars'"
> + @exit 1
> +endif
> @:
> $(foreach V, \
> $(sort $(foreach X, $(.VARIABLES), $(filter $(VARS),$(X)))), \
> --
> 2.37.1
>
> _______________________________________________
> buildroot mailing list
> buildroot@buildroot.org
> https://lists.buildroot.org/mailman/listinfo/buildroot
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next prev parent reply other threads:[~2022-08-03 17:07 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-02 12:35 [Buildroot] [PATCH] Makefile: error out printvars target when VARS is empty or unset Quentin Schulz
2022-08-03 17:07 ` Yann E. MORIN [this message]
2022-09-14 9:29 ` Peter Korsgaard
2022-09-12 9:55 [Buildroot] [PATCH 0/5] add support for libedit and linenoise CLI implementations for nftables Quentin Schulz
2022-09-12 9:55 ` [Buildroot] [PATCH] Makefile: error out printvars target when VARS is empty or unset Quentin Schulz
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