Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751311AbdGQJdP convert rfc822-to-8bit (ORCPT ); Mon, 17 Jul 2017 05:33:15 -0400 Received: from ec2-52-27-115-49.us-west-2.compute.amazonaws.com ([52.27.115.49]:52163 "EHLO osg.samsung.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751178AbdGQJdN (ORCPT ); Mon, 17 Jul 2017 05:33:13 -0400 Date: Mon, 17 Jul 2017 06:33:03 -0300 From: Mauro Carvalho Chehab To: Markus Heiser Cc: Linux Doc Mailing List , Mauro Carvalho Chehab , linux-kernel@vger.kernel.org, Jonathan Corbet , SeongJae Park , Daniel Vetter Subject: Re: [PATCH 0/5] Add a script to check for Sphinx install requirements Message-ID: <20170717063303.6c5dfd58@vento.lan> In-Reply-To: <576692E6-3663-4E69-A92B-7F7DA326B081@darmarit.de> References: <576692E6-3663-4E69-A92B-7F7DA326B081@darmarit.de> Organization: Samsung X-Mailer: Claws Mail 3.14.1 (GTK+ 2.24.31; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2108 Lines: 66 Em Mon, 17 Jul 2017 10:15:26 +0200 Markus Heiser escreveu: > > Am 17.07.2017 um 00:08 schrieb Mauro Carvalho Chehab : > > > > [1] There's an unrelated bug with the Kernel's sphinx extension > > kimage: when parsing GraphViz graphs, it uses "-Tpdf" argument, > > in order to generate a PDF image. That doesn't work on some > > distros, as GraphViz doesn't support PDF images. > > > > Hmm .. http://www.graphviz.org/content/output-formats#dpdf > > Is it a problem of the GraphViz version? > > See http://www.graphviz.org/News.php .. > > """New Release 2.32 (1 August 2013) > > ... In addition, if the poppler library is available, Graphviz > can now use PDF files as images.""" > > I suppose that 2.32 is in your distro .. it's from 2013 Fedora 26 is shipped with version 2.40: $ rpm -q graphviz graphviz-2.40.1-4.fc26.x86_64 Yet: $ dot -Thelp|grep pdf Format: "help" not recognized. Use one of: canon cmap cmapx cmapx_np dot dot_json eps fig gv imap imap_np ismap json json0 mp pic plain plain-ext pov ps ps2 svg svgz tk vdx vml vmlz xdot xdot1.2 xdot1.4 xdot_json I actually noticed this issue first on OpenSuse, where GraphViz is packaged on several packages, but I was unable to find one package there with pdf suport. I'm pretty sure pdf used to work on F25. > > It seems, that the graphiz homepage is not up to date. I found > the repo at github. There is a issue about PDF > > https://github.com/ellson/graphviz/issues/1180 > > So I guess graphviz is compiled without HAVE_PANGOCAIRO in your > distros? >From Fedora source package, it is requiring both cairo and pango: BuildRequires: cairo-devel >= 1.1.10, pango-devel, gmp-devel, lua-devel, gtk2-devel, libgnomeui-devel Building it gets: checking for PANGOCAIRO... yes Still, no PDF support. I'll try to investigate it further, as I found myself useful to produce PDF directly from GraphViz. Anyway, I guess we should modify kfigure.py to check if PDF is available, falling back to SVG, using ImageMagick to convert from SVG to PDF. Thanks, Mauro