[ILUG] un-Xed `makedepend'-ish tool for *ix (and Cygwin?)?

[P at draigBrady.com]

Brian Foster wrote:
>   does anyone happen to know of a makedepend(1)-like tool
>  for *ix (plus, ideally, Cygwin), which is not buried deep
>  in the guts of the X11 development system?
> 
>   the gcc(1) or GNU cpp(1) `-M' option family may or may
>  not be an acceptable alternative.

I've used cpp -MM with good results. Dependency stuff
can be trick though. Here's part of one of my Makefiles,
which has some info:

clean:
         @@rm -f *.o tags .depend
 

# Note this dependency will be behind by one
# as the include is done before the dependencies
# are updated. This is OK however as the only
# thing that will change the dependency list is
# by {add,delet}ing #include directives. For
# C files this causes them to be rebuilt anyway.
# For H files it will change an existing
# header file in an existing dependency and so
# this is also handled. Note this method only
# works when all included files are in the
# current directory and below.
 

.depend: $(shell find ./ -name "*.[ch]")
         gcc -MM ${CINCLUDES} ${SOURCES} > .depend
 

# Note this ifneq clause is required because
# when the file can't be included it tries
# to make it. So after a make clean it will just
# make the .depend again
 

ifneq ($(MAKECMDGOALS),clean)
-include .depend
endif

-- 
Pádraig Brady - http://www.pixelbeat.org
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