The "make" utility - do the conditiional macros really work?

Hello,
I've tried to use conditional macros in the makefile like this
SETTINGS = stub
target1 := SETTINGS = somefile
include ${SETTINGS}
target1: ....
No way - when I call the make with "make target1" it stiil includes the "stub" file, NOT the "somefile". Is anybody using this feature? If yes, what did I do wrong?
My OS is Solaris 5.8
My make is /usr/ccs/bin/make
Doc about this make is:
http://docs.sun.com/app/docs/doc/806-0624/6j9vek5ac?a=view
Thank you,
Alex

I doubt if you can use the conditional stuff to vary include files.
I suspect it does a pass at the beginning to do the including and get the "complete" file
before it does any serious processing of the make rules...

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My MacBook feels like it is on its last legs anyway, so I am currently looking at replacements, but I really want to make sure it is backed up in case it dies before the new one arrives!! On the other hand, we have serious power issues here, and while the router is on a UPS, the UPS battery is basically fried and conks out in about 5 minutes, so the Airport is constantly being cycled on and off, which I worry could also be causing problems with the proper operation of the device (although the fact that it works with the iPad makes me think that is not the case... but I don't really know).
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Attachments:
Startup_Error.JPG ‏80 KB

The "make" utility - do the conditiional macros really work?

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