[OE-core] how to properly use "EXTRA_ASSUME_PROVIDED"?

[Richard Purdie]

On Wed, 2012-07-25 at 16:06 -0400, Robert P. J. Day wrote:
> what is the proper way to use EXTRA_ASSUME_PROVIDED, and is the
> effect of that visible in the bitbake environment?
> 
>   as in, based on the current version of bitbake.conf, i can see this
> with "bitbake -e":
> 
> ASSUME_PROVIDED="bzip2-native git-native grep-native diffstat-native
> patch-native perl-native-runtime python-native-runtime tar-native
> virtual/libintl-native"
> 
>   if i add the following silliness to my local.conf,
> 
> ASSUME_PROVIDED += "rday-native"
> 
> i can see that in the env as well:
> 
> ASSUME_PROVIDED="bzip2-native git-native grep-native diffstat-native
> patch-native perl-native-runtime python-native-runtime tar-native
> virtual/libintl-native  rday-native"
> 
>   but is it correct to run the following:
> 
> $ bitbake -I EXTRA_ASSUME_PROVIDED="rday-native" -e core-image-minimal
> 
> and if it is, should i be able to verify that anywhere in the
> environment?  doesn't seem so.  from bitbake/lib/bb/cooker.py, it
> looks like whatever i put there is being processed thusly:
> 
>   ignore = self.configuration.data.getVar("ASSUME_PROVIDED", True) or ""
>   self.status.ignored_dependencies = set(ignore.split())
> 
>   for dep in self.configuration.extra_assume_provided:
>       self.status.ignored_dependencies.add(dep)
> 
> so is there any way to see that?  thanks.

Where did you come to believe EXTRA_ASSUME_PROVIDED did anything?

Cheers,

Richard