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From: CBFalconer <cbfalconer AT yahoo DOT com>
Organization: Ched Research
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Subject: Re: include depend
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Date: Mon, 25 Mar 2002 21:26:56 GMT
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To: djgpp AT delorie DOT com
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deckerben wrote:
> "CBFalconer" <cbfalconer AT yahoo DOT com> wrote in message
> > Hans-Bernhard Broeker wrote:
> > > deckerben <deckerben AT freenet DOT de> wrote:
> > >
> > > > I have source code that include the line "include depend" in
> > > > the makefile, but the file "depend" does not exist, nor do any
> > > > obvious candidates for renaming. Is there a utility that
> > > > creates this file?
> > >
> > > Probably --- but not for DJGPP, as it is.
> > >
> > > It would probably help if you could give some more details.
> > > Like the name of the package, and what compiler it's supposed to
> > > be used with, originally.
> > >
> > > > Is the application source code / makefile possibly broken?
> > >
> > > Not necessarily.  But probably it's not meant for DJGPP.
> > > Makefiles, if not very carefully written, are about the most
> > > unportable thing you can find in a typical Unix source code.
> > >
> > > Some people have installed GNU make on their Unix boxes, even
> > > they they don't have any other GNU software, simply for that
> > > reason: using GNU make on all platforms is about the only way
> > > to gain compatible access to a reasonable set of features
> > > across many different platforms.
> >
> > Doesn't gcc have an option to generate dependancies, something
> > like -M? and a similar environment variable?
> 
> Thanks for the tip. There are a few examples of using this function, mainly
> inside of makefiles, like:
> BTW, this option is among the dozens listed when a "cc1 --help" is executed
> (not gcc --help ...it won't say anything about it, I guess because the
> augment is really carried out by cc1 ... I think)... OK here is what I
> found...
> 
> ## gcc 3 implements dependency tracking that does exactly what
> ## we want.  Yay!  Note: for some reason libtool 1.4 doesn't like
> ## it if -MD -MP comes after the -MF stuff.  Hmm.
>   "$@" -MT "$object" -MD -MP -MF "$tmpdepfile"
> 
> (taken from http://www.fastcgi.com/devkit/depcomp)
> 
> But I need a command-line solution.

Please DO NOT top-post.  I fixed this one.

"info gcc" should eventually lead you where you want to go.  gcc
is inherently command line driven, as is gnu make, etc.  I suspect
"info make rules automatic" might be more productive.

-- 
Chuck F (cbfalconer AT yahoo DOT com) (cbfalconer AT XXXXworldnet DOT att DOT net)
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