make or kmod.mk broken

Hi,

in kmod.mk (and I believe in other places as well) we have constructs in the 
form of this: ${SOMEARRAY:M${SOMEVAR}}  However, make doesn't seem to 
understand this.  I don't see any traces that it ever did and I have no clue 
if it should.

I might well misunderstand things (not a make guru) so here is my testcase:

| STUFF= foo bar foobar
| FOO=foo
| 
| mtest:
| 	echo ${STUFF:M${FOO}}

and "$make mtest" gives:
| echo }
| }

this clearly suggests that make is not equipped to handle the variable 
expansion here.

In any case we have to fix either kmod.mk or make.

On a related question:  How can I get the actual location of a file that is 
in .PATH?  All I could come up with was ${.ALLSRC:M*${MY_FILE}} which doesn't 
work as I am explaining here.

-- 
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