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RE: Pattern rules without commands, does it make sense?


From: Leeuwesteijn,Joost
Subject: RE: Pattern rules without commands, does it make sense?
Date: Wed, 3 May 2006 13:59:43 +0200

> jl> Just to be sure: are pattern rules without commands 
> totally useless?
> 
> They're not useless, but they don't do the same thing as 
> explicit rules with no commands.
> 
> A pattern rule with no commands _deletes_ that pattern rule from the
> make database.  See the GNU make manual section "Canceling 
> Implicit Rules".

Thanks for clearing this up. I never thought about built-in rules anymore
because I start make with -Rr to clear all the pre-defined rules and vars.
To make sure nothing unexpected happens.

--
Joost




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