Date: Wed, 17 May 2006 16:25:36 +1000 From: Edwin Groothuis <edwin@mavetju.org> To: Vasil Dimov <vd@FreeBSD.org> Cc: ports@freebsd.org, Paul Koch <paul.koch@statseeker.com> Subject: Re: Is it safe to compile multiple ports at the same time ? Message-ID: <20060517062536.GS1116@k7.mavetju> In-Reply-To: <20060517062147.GA42089@qlovarnika.bg.datamax> References: <200605171353.37745.paul.koch@statseeker.com> <20060517045403.GI1113@k7.mavetju> <200605171508.07228.paul.koch@statseeker.com> <20060517060026.GA40653@qlovarnika.bg.datamax> <20060517061302.GR1116@k7.mavetju> <20060517062147.GA42089@qlovarnika.bg.datamax>
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On Wed, May 17, 2006 at 09:21:47AM +0300, Vasil Dimov wrote: > On Wed, May 17, 2006 at 04:13:02PM +1000, Edwin Groothuis wrote: > > On Wed, May 17, 2006 at 09:00:26AM +0300, Vasil Dimov wrote: > > > Not really, locking will just prevent breakages. Let me illustrate my > > > thought with an example: > > > > > > port A depends on X > > > port B depends on X > > > > > > You start building A which results in building X via exclusive lock on X. > > > During the build of X you decide to build B which results in building X > > > (X is not yet installed) but you block trying to acquire the exclusive > > > lock on X so you wait _idling_ until building of X is done. Furthermore > > > what do you suggest to do when the lock is released? > > > > You have to obtain a lock on the X's Makefile before you are doing > > to check if you have this port installed. > > > > For example, a dependcy on pkg-config in the directory devel/pkgconfig: > > > > - obtain lock on devel/pkgconfig/Makefile > What do you do if that is already locked? Wait until you get the lock. Edwin -- Edwin Groothuis | Personal website: http://www.mavetju.org edwin@mavetju.org | Weblog: http://weblog.barnet.com.au/edwin/
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