Date: Thu, 27 Dec 2007 14:11:44 -0500 From: Joe Marcus Clarke <marcus@marcuscom.com> To: Doug Barton <dougb@FreeBSD.org> Cc: gnome@FreeBSD.org Subject: Re: In cairo, implicit depenencies on librsvg2 and/or poppler? Message-ID: <4773F8F0.1020901@marcuscom.com> In-Reply-To: <alpine.BSF.1.00.0712271059320.878@ync.qbhto.arg> References: <4772C814.6000302@FreeBSD.org> <1198709162.11242.8.camel@shumai.marcuscom.com> <alpine.BSF.1.00.0712271059320.878@ync.qbhto.arg>
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Doug Barton wrote: > On Wed, 26 Dec 2007, Joe Marcus Clarke wrote: > >> >> On Wed, 2007-12-26 at 13:31 -0800, Doug Barton wrote: >>> I was doing some stale ports cleanup recently and deleted a bunch of >>> stuff that didn't seem to be needed, including librsvg2 and poppler. >>> Deleting the former caused several of my applications to no longer be >>> able to display svg images. I tracked the problem down to the missing >>> librsvg2 of course, but only after carefully watching the configure >>> output of cairo and noticing that it gave a "can't use svg 'cuz you >>> don't have librsvg2" type message. It gives a similar message for >>> poppler, but AFAIK I don't actually need that. >>> >>> So, short version is that you might want to add OPTIONS for those two >>> libs, and related explicit dependencies for them in the cairo Makefile. >> >> Actually, it's not so simple. I assume the apps that could no longer >> display SVG images were GTK+ apps. > > That's where it got interesting. Some of them were GTK, yes. But, > firefox could still render SVG just fine without librsvg2 installed. Weird. Firefox has its own SVG library. > >> If so, they get the ability to render SVG images from the SVG GDK >> image loader installed by librsvg2 >> (/usr/local/lib/gtk-2.0/2.10.0/loaders/svg_loader.so). This is a >> dlopen'd library, and thus is not really a hard dependency. It's more >> along the lines of, "if you want this functionality, install this port." > > Right, which is why I suggested that it be made an OPTION. :) Still becomes a problem because of recursive dependencies. > >> Neither gtk20 or cairo can depend on librsvg2, though, or we'd have a >> circular dependency (as librsvg2 needs gtk20 and gtk20 needs cairo). > > I don't see the dependency on cairo in gtk20 or glib20, where does it > come in? It gets it from pango. Joe -- PGP Key : http://www.marcuscom.com/pgp.asc
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