[Buildroot] [PATCH 20/21 v2] docs/manual: document the br2-external ID
Jeremy Rosen
jeremy.rosen at openwide.fr
Fri Oct 23 07:40:03 UTC 2015
>
> -+BR2_EXTERNAL+ allows three different things:
> +A +BR2_EXTERNAL+ tree must contain at least those three files:
> +
> ++external.id+::
> + That file should contain the ID for the +BR2_EXTERNAL+ tree.
> + That ID is used to construct the +BR2_EXTERNAL_$(ID)+ variable,
> + available in +Config.in+ and +external.mk+ (see below), so that ID
> + must be a valid make and Kconfig variable. Buildroot sets
> + +BR2_EXTERNAL_$(ID)+ to the path of the +BR2_EXTERNAL+ tree.
> ++
> +Examples:
> ++
> + ** +FOO+ -> +BR2_EXTERNAL_FOO+
> + ** +BAR_42+ -> +BR2_EXTERNAL_BAR_42+
> + ** ...
> +
those are example of valid ID, but what is the exact syntax of the file ?
is it a single line with just the ID ? this is not ver clear here....
Regards
Jeremy
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