[Scons-dev] Calling PseudoBuilder from an emitter function from a Builder with OverrideEnvironment looses overrides

[Dirk Bächle]

Hi Andreas,

On 21.10.2013 11:54, andreas.ames at de.transport.bombardier.com wrote:

>

> Hi all,

>

> first of all, thanks for providing such a useful tool as scons.

>

> I've found a small glitch in Scons 2.1.0 (as part of Ubuntu 12.04 

> LTS). I've got an emitter function installed for one of my builders. 

>  This builder is called with keyword arguments so that an 

> OverrideEnviroment is used to execute it.  When the emitter function 

> is called the OverrideEnvironment is presented to it in the env 

> parameter.  But if I call a PseudoBuilder (i.e. a MethodWrapper 

> instance) from there, the PseudoBuilder itsself is called with the 

> original environment and the OverrideEnvironment is no longer 

> available to it.  I guess, a possible fix would be to forward the 

> keyword arguments used to call the builder to the emitter function so 

> that these keyword arguments could be used to call the PseudoBuilder.

>


as a first thought on this: I wouldn't expect this to work at all, 
because it shouldn't be necessary to call any kind of Builder from an 
Emitter.
Can you possibly tell us a bit more about where this setup comes from, 
or why you need to do it like this?

Thanks a lot in advance and best regards,

Dirk

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