From: Petr Vorel <petr.vorel@gmail.com>
To: Titouan Christophe <titouan.christophe@mind.be>
Cc: ps.report@gmx.net, yann.morin@orange.com,
thomas.petazzoni@bootlin.com, buildroot@buildroot.org
Subject: Re: [Buildroot] [PATCH 6/7] docs/manual: add migration notes for changes in the kconfig syntax
Date: Sat, 17 Oct 2026 00:53:19 +0200 [thread overview]
Message-ID: <20261016225319.GH331129@pevik> (raw)
In-Reply-To: <20261010151121.876133-7-titouan.christophe@mind.be>
Hi Titouan,
> Previous patches introduced some changes in the KConfig syntax,
> namely on variable expansion and choice entries. Reflect that in
> the migration guide.
> Assisted-by: Claude:claude-opus-5-5
> Signed-off-by: Titouan Christophe <titouan.christophe@mind.be>
> ---
> docs/manual/migrating.adoc | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
> diff --git a/docs/manual/migrating.adoc b/docs/manual/migrating.adoc
> index 86b040a19c..b2e0cb24b4 100644
> --- a/docs/manual/migrating.adoc
> +++ b/docs/manual/migrating.adoc
> @@ -270,3 +270,16 @@ changed, therefore the suffix of such tarballs has been changed from
> Due to the update of Dovecot to version 2.4.x the runtime configuration
> files need to be updated.
> +
> +Following the update of the bundled kconfig infrastructure, the syntax
> +of +Config.in+ files changed in a few ways, which affects **all
> +br2-external trees**:
> +
> +- variable names in +source+ statements and prompts must now be
> + enclosed in parentheses. For example,
> + +source "$BR2_EXTERNAL_FOO_PATH/bar"+ must now be rewritten as
> + +source "$(BR2_EXTERNAL_FOO_PATH)/bar"+;
> +- +option env="VAR"+ is no longer supported. Environment variables
> + are referenced directly as +$(VAR)+ instead;
> +- the prompt of a +choice+ must now be given with +prompt "..."+
> + instead of +bool "..."+.
I wonder if \$(ARCH) should be here also mentioned.
Otherwise LGTM.
Reviewed-by: Petr Vorel <petr.vorel@gmail.com>
Kind regards,
Petr
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next prev parent reply other threads:[~2026-10-16 22:53 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-10 15:11 [Buildroot] [PATCH 0/7] Update kconfig inrastructure to Linux 7.2.9 Titouan Christophe via buildroot
2026-10-10 15:11 ` [Buildroot] [PATCH 1/7] Makefile: always use a base config file for defconfig Titouan Christophe via buildroot
2026-10-16 21:30 ` Petr Vorel
2026-10-10 15:11 ` [Buildroot] [PATCH 2/7] */Config.in: use the new $(VAR) syntax Titouan Christophe via buildroot
2026-10-16 22:17 ` Petr Vorel
2026-10-10 15:11 ` [Buildroot] [PATCH 3/7] */Config.in: replace bool entries with prompt within all choices Titouan Christophe via buildroot
2026-10-16 22:25 ` Petr Vorel
2026-10-10 15:11 ` [Buildroot] [PATCH 5/7] package/openssl: move libopenssl/libressl options out of the choice Titouan Christophe via buildroot
2026-10-16 22:51 ` Petr Vorel
2026-10-10 15:11 ` [Buildroot] [PATCH 6/7] docs/manual: add migration notes for changes in the kconfig syntax Titouan Christophe via buildroot
2026-10-16 22:53 ` Petr Vorel [this message]
2026-10-10 15:11 ` [Buildroot] [PATCH 7/7] Makefile: add new target "yellowconfig" based on kconfiglib Titouan Christophe via buildroot
2026-10-16 21:44 ` Petr Vorel
2026-10-11 19:12 ` [Buildroot] [PATCH 0/7] Update kconfig inrastructure to Linux 7.2.9 Petr Vorel
2026-10-11 19:30 ` Titouan Christophe via buildroot
2026-10-16 21:29 ` Petr Vorel
[not found] ` <20261010151121.876133-5-titouan.christophe@mind.be>
2026-10-16 22:47 ` [Buildroot] [PATCH 4/7] support/kconfig: update to kconfig from " Petr Vorel
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