[bitbake-devel] confused by multiconfig explanation in bitbake manual

[Robert P. J. Day]

On Wed, 5 Feb 2020, Joshua Watt wrote:

>
>
> On Wed, Feb 5, 2020, 4:26 AM Robert P. J. Day <rpjday at crashcourse.ca> wrote:
>
>         i've never defined a multiconfig build, but this section explaining
>       it in the BB user manual seems confusing:
>
>       ///// start
>
>       The following statement in the local.conf file both enables BitBake to
>       perform multiple configuration builds and specifies the two extra
>       multiconfigs:
>
>            BBMULTICONFIG = "target1 target2"
>
>       Once the target configuration files are in place and BitBake has been
>       enabled to perform multiple configuration builds, use the following
>       command form to start the builds:
>
>            $ bitbake [mc:multiconfigname:]target [[[mc:multiconfigname:]target] ... ]
>
>       Here is an example for two extra multiconfigs: target1 and target2:
>
>            $ bitbake mc::target mc:target1:target mc:target2:target
>
>       ///// end
>
>         i don't understand the "mc::target" part of that last command, as it
>       does not seem to be compatible with the definition of the general form
>       of the command just above that, specifically:
>
>             $ bitbake [mc:multiconfigname:]target ...
>
>       can someone clarify this?
>
>
> "target" is the recipe you want to build, just as you would have specified if you were not using a "mc:multiconfig:"
> prefix. For examples:
>
>  # build core-image-minimal
>  bitbake mc:my-mulitconfig:core-image-minimal
>
>  # build BusyBox
>  bitbake mc:my-mulitconfig:busybox
>
  my confusion was with the example that started with the two colons:

  $ bitbake mc::target ...

the manual doesn't seem to explain the meaning of that "::" bit.

rday