[Scons-users] Overriding Object to force global dependency

[William Deegan]

Greg,
On Jul 5, 2012, at 1:41 PM, Greg Ward wrote:


> On 05 July 2012, Greg Ward said:

>> On 29 June 2012, Pawel Tomulik said:

>>> It may be possible to use emitter for your purpose, I think.

>>> Dee API docs for SCons.Builder.BuilderBase, especially add_emitter()

>>> method. Try something like:

>>> 

>>> def my_emitter(target, source, env):

>>>    env.Depends(target, 'foo.txt')

>>>    return target, source

>>> 

>>> env = Environment()

>>> 

>>> env['BUILDERS']['StaticObject'].add_emitter('.c', my_emitter)

>>> ob = env.Object('a.c')

>> 

>> Awesome! That worked perfectly right out of the gate. 

> 

> Argghh. I spoke too soon. When I use this emitter *just* with

> StaticObject, it's fine. But I want it on SharedObject as well as

> StaticObject. So I did this:

> 

>  def lbe_emitter(target, source, env):

>      env.Depends(target, '#dummy-lbe')

>      return (target, source)


Shouldn't you just be adding env.File('#dummy-lbe') to the list of sources?
What's the purpose of #dummy-lbe?

-Bill