From: "Luke Bishop" <lbishop AT calvin DOT stemnet DOT nf DOT ca>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: The miracle of MAKE
Date: 14 Mar 1998 01:26:09 GMT
Organization: The Zone
Lines: 13
Message-ID: <01bd4e2f$38494fc0$3648a5c6@technoid>
References: <EprLsF DOT DyI AT hermes DOT hrz DOT uni-bielefeld DOT de>
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To: djgpp AT delorie DOT com
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> I know, I am courios, but: How the hell does make know when to rebuild a
file 
> an when it is up to date?
> It must have some kind of database somewhere and I really would like to
know 
> where!
> 
> Does anybody know?

Sure, no big mystery, it just checks the file-stamps on the files.  When
you specify a rule, it checks if the target is older than the dependancies,
and if so rebuilds the target.