makefile dependency-list creator

[Peter Klosky]

XXX
> These scripts, (odeph and hdepo), create makefile dependency-lists.
> 	Given the input as: 	grep include *.c | odeph >ch.mk
> 	The script 'odeph' produces a makefile dependence list, (ch.mk):
> 		file1.o : stdio.h filea.h

This is a very nice simple minded little program, but what about 
using include files that in turn include other include files
depending on this or that.  More on this later ...