From owner-freebsd-audit  Sun Feb 11 19:41:10 2001
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To: Bruce Evans <bde@zeta.org.au>
Subject: Re: kmod.mk patches to fix excessive recompiling 
Cc: audit@freebsd.org, peter@freebsd.org, bde@freebsd.org
In-reply-to: Your message of "Mon, 12 Feb 2001 13:44:22 +1100."
		<Pine.BSF.4.21.0102121310120.1520-100000@besplex.bde.org> 
References: <Pine.BSF.4.21.0102121310120.1520-100000@besplex.bde.org>  
Date: Sun, 11 Feb 2001 20:41:02 -0700
From: Warner Losh <imp@harmony.village.org>
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In message <Pine.BSF.4.21.0102121310120.1520-100000@besplex.bde.org> Bruce Evans writes:
: > -beforedepend ${OBJS}: ${_ILINKS}
: > +beforedepend ${OBJS}:

Won't this be extra too?

: > +.if !exists(@)
: > +beforedepend ${OBJS}: @
: > +.endif
: > +.if !exists(machine)
: > +beforedepend ${OBJS}: machine
: > +.endif
: 
: This should loop over ${_ILINKS}.

Hmmm...  Something like replacing all of the above with

.for _l in ${_ILINKS}
.if !exists($_l)
beforedepend ${OBJS}: $_l
.endif
.endfor

: > +
: 
: Extra blank line.

Thanks.

This is the coolest make bug I've seen in a long time.

Warner


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