Re: [jamboost] M4 plan

From: Ali Azarbayejani (ali_at_[hidden])
Date: 2003-05-27 09:37:10

Vladimir Prus wrote:
> 
> Ali Azarbayejani wrote:
> > Vladimir Prus wrote:
> > > I would not find to tweak this list somewhat, if that will help Dave and
> > > Ali. Also, Ali, your requirements list included "real fake targets". Can
> > > you clarify what was meant. I probably can address it.
> >
> > out of context, i don't remember exactly. i have "sensible fake
> > targets" from the original list that dave and i made and i have no
> > further explanation; maybe dave can remember.
> >
> > i believe the motivation was from a requirement to make the execution of
> > an action dependent upon something that was neither a main-target nor a
> > simple file, so you'd like to declare targets (that would become NOTFILE
> > Jam targets) that are dependent upon other targets. if i can remember
> > an example, i'll let you know; otherwise, put it on the back burner.
> 
> Actually, I have a use case from gettext tools: one should need
> 
> bjam update-translations
> 
> to run some actions which update all files with translation in current
> project. The problem is that the files can't be main targets: they should
> not be updated automatically and act as regular sources most of the time.

oh, yes, this is another good example of fake targets...being able to
ask for a group of things to be built from the command line.