[PATCH] scripts: merge_config.sh: support include directives in fragments

[Tom Rini]

On Thu, Mar 19, 2026 at 05:14:05PM +0100, Julien Stephan wrote:

> Many defconfig files rely on include directives to factor out common
> configuration. When running "make some_board_defconfig", these files are
> preprocessed and the includes are resolved automatically. However,
> merge_config.sh script currently does not handle include directives in
> configuration fragments.
> 
> Add a preprocessing step to resolve include directives in all fragments
> before merging them.
> 
> By default, the include search path consists of:
>   - the current working directory
>   - the fragment's directory
>   - the default U-Boot configs/ directory
> 
> This ensures that existing defconfig files work out of the box. Additional
> include directories can be specified using the -I option:
> 
>   ./scripts/kconfig/merge_config.sh -I <additional include dir>  configs/some_board_defconfig frag1.cfg frag2.cfg
> 
> Signed-off-by: Julien Stephan <jstephan at baylibre.com>
> ---
>  scripts/kconfig/merge_config.sh | 56 +++++++++++++++++++++++++++++++++++++----
>  1 file changed, 51 insertions(+), 5 deletions(-)

This forks us from the upstream version of the script, and I don't think
upstream will want this.

When I make use of this locally I do a two step:
- make foo_defconfig savedefconfig
- merge_config.sh defconfig frag1 ... fragN

So, I am hesistant to start with to change this tool more.

-- 
Tom
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 228 bytes
Desc: not available
URL: <https://lists.denx.de/pipermail/u-boot/attachments/20260319/28bab485/attachment.sig>