Target search paths?

[Randall Meadows]

I hope I'm using the right term here...I need to figure out a way to 
tell make where to search for targets that I don't explicitly include 
a path with.  Let me explain my problem...perhaps I'm doing something 
*completely* wrong here:

So I have this Makefile, in a given directory, A.  In it, I define a 
variable SRC that includes all the source files, which happen to be 
strung out in several other directories, something like:

root
  A
    Makefile
  B
    B1
      *.c
    B2
      *.c
  C
    *.h
I'm trying to add header file dependency knowledge to this Makefile. 
I've used mkdep to generate a .depend file, and I'm including it in 
the Makefile. a typical line in it looks like:

QdBufferedIO.o: ../src/core/QdBufferedIO.c ../inc/QdPlatform.h

The problem is, the target "QdBufferedIO.o" does not include any path 
information.  Since there is not ./QdBufferedIO.o relative to the 
location of the Makefile, it doesn't do anything.  If I include the 
path information, like

../src/core/QdBufferedIO.o: ../src/core/QdBufferedIO.c ../inc/QdPlatform.h

make then does the right thing.  There doesn't seem to be a way to 
get mkdep to include the path information for each target, so I 
figure there must be way to get make to look in various paths for 
each target.  I see in the GNU Make Manual there is a VPATH variable, 
but I gather it only applies to prerequisites, not to targets.  Is 
there anything analogous for targets?

Thanks!
randy
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