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From: Phil Blundell <philb@gnu.org>
To: McClintock Matthew-B29882 <B29882@freescale.com>, Patches and
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Date: Fri, 28 Oct 2011 16:54:47 +0100
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Subject: Re: [PATCH v2 1/2] Add new strace-graph package to avoid making perl a dependecy for all of strace
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On Fri, 2011-10-28 at 15:34 +0000, McClintock Matthew-B29882 wrote:
> On Fri, Oct 28, 2011 at 3:55 AM, Richard Purdie
> <richard.purdie@linuxfoundation.org> wrote:
> >> -RDEPENDS = "perl"
> >> +PACKAGES_prepend = "${PN}-graph "
> >> +FILES_${PN}-graph = "${bindir}/strace-graph"
> >> +RDEPENDS_${PN}-graph = "perl"
> >
> > I should have been clearer in my original email, pretty much every other
> > recipe uses += or =+ in this context. Whilst the _prepend override is
> > probably ok, its probably a bit heavy in this case and the standard
> > operator should work just fine.
> 
> usr/bin/strace-graph will be picked up by the default rules for ${PN}
> - by prepending I thought I was letting strace-graph get picked out
> first in ${PN}-graph then everything else could go in ${PN} without
> having the explicitly list a new rule for ${PN}.

That logic sounds reasonable, but I think Richard's point was that it's
more conventional to use "=+" rather than an override for prepending.

p.