Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!mips!spool.mu.edu!uunet!aspect!dave
From: dave@aspect.UUCP (Dave Corcoran)
Newsgroups: comp.lang.c
Subject: Re: Compiler gen'd depends (was: nested includes)
Summary: makefile dependencies
Message-ID: <9728@aspect.UUCP>
Date: 25 Apr 91 01:43:14 GMT
References: <1991Apr17.003928.23530@news.iastate.edu> <9734@star.cs.vu.nl>
Organization: Aspect Telecommunications, San Jose, Ca
Lines: 17

In article <9734@star.cs.vu.nl>, geels@cs.vu.nl (Arnold Geels) writes:
> john@iastate.edu (Hascall John Paul) writes:
> >   For those with Ultrix, you may want to check out the undocumented
> >(in my old docs anyhow) option "-Em", as in this simple-minded example:
> >
> Gcc and cc (Sun) both have a documented -M flag that tells the compiler to
> generate makefile dependencies. Gcc also has the -MM flag (exclude system
> header files).
> 

Sun make also has a target name ".KEEP_STATE:" which when found in your
makefile will interrogate the compliler for dependencies and keep them
hidden from view in a file named ".make.state"; tis very nice.
-- 
David Corcoran		      -@@
uunet!aspect!dave	        ~
In a society where anything goes eventually everything will.