".if defined" within dependencies

[Holger Lamm]

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Hi,

I have a problem with writing a proper Makefile for my port.

First the question:
How can I trigger ".if defined" - declarations in my dependencies?

Now the problem:
My port is net/mldonkey, and it can be compiled X11-less by defining
"WITHOUT_GUI". (This will compile the client, but not the GUI, so
the name of the trigger is meaningful.)

Problem is: It depends on lang/ocaml, as it is written in ocaml.
ocaml builds X11, as long as WITHOUT_X11 is not defined.
When I say "WITHOUT_X11=yes" in the Makefile, it is too late as
all ".if defined" are long parsed. 

So, how can I depend on ocaml with WITHOUT_X11 set?

Thank you very much,

Holger

- -- 
"Computer games don't affect kids. If Pacman would have affected us as
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