From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#28236: 'configure --with-cairo' causes 'emacs -font' to fail Date: Wed, 12 Dec 2018 18:37:46 +0200 Message-ID: <83wooezoo5.fsf@gnu.org> References: <87a82npghk.fsf@quad> <015a4a19-4f91-f9f4-7f2f-1b332d36a5a7@yandex.ru> <83sgz41swe.fsf@gnu.org> <87o99rgdej.fsf@gmail.com> <835zvy22t1.fsf@gnu.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Trace: blaine.gmane.org 1544632627 1129 195.159.176.226 (12 Dec 2018 16:37:07 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Wed, 12 Dec 2018 16:37:07 +0000 (UTC) Cc: 28236@debbugs.gnu.org, ari.roponen@gmail.com, andrei.elkin@pp.inet.fi, dgutov@yandex.ru To: Robert Pluim Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Dec 12 17:37:02 2018 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gX7VN-0000AE-8z for geb-bug-gnu-emacs@m.gmane.org; Wed, 12 Dec 2018 17:37:01 +0100 Original-Received: from localhost ([::1]:46047 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gX7XU-0004BD-2d for geb-bug-gnu-emacs@m.gmane.org; Wed, 12 Dec 2018 11:39:12 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:48856) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gX7XN-0004B7-JF for bug-gnu-emacs@gnu.org; Wed, 12 Dec 2018 11:39:06 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gX7XK-0003dU-AQ for bug-gnu-emacs@gnu.org; Wed, 12 Dec 2018 11:39:05 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:41190) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gX7XK-0003dM-6R for bug-gnu-emacs@gnu.org; Wed, 12 Dec 2018 11:39:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1gX7XK-0004nC-2d for bug-gnu-emacs@gnu.org; Wed, 12 Dec 2018 11:39:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 12 Dec 2018 16:39:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 28236 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: help Original-Received: via spool by 28236-submit@debbugs.gnu.org id=B28236.154463269918370 (code B ref 28236); Wed, 12 Dec 2018 16:39:02 +0000 Original-Received: (at 28236) by debbugs.gnu.org; 12 Dec 2018 16:38:19 +0000 Original-Received: from localhost ([127.0.0.1]:45448 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gX7Wa-0004mC-RW for submit@debbugs.gnu.org; Wed, 12 Dec 2018 11:38:19 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:38994) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gX7WX-0004ls-JZ for 28236@debbugs.gnu.org; Wed, 12 Dec 2018 11:38:16 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gX7WM-0003Aa-Rh for 28236@debbugs.gnu.org; Wed, 12 Dec 2018 11:38:07 -0500 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:37930) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gX7WD-00032o-3Z; Wed, 12 Dec 2018 11:37:53 -0500 Original-Received: from [176.228.60.248] (port=2959 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1gX7WC-0003n5-M8; Wed, 12 Dec 2018 11:37:53 -0500 In-reply-to: (message from Robert Pluim on Wed, 12 Dec 2018 16:41:52 +0100) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:153384 Archived-At: > From: Robert Pluim > Cc: Ari Roponen , 28236@debbugs.gnu.org, andrei.elkin@pp.inet.fi, dgutov@yandex.ru > Date: Wed, 12 Dec 2018 16:41:52 +0100 > > Eli Zaretskii writes: > > > So you are saying that the problem here is that Cairo can only work > > with fonts known fontconfig, and cannot switch to font backend(s) that > > bypass fontconfig? If so, perhaps just an entry in PROBLEMS with the > > above recipe would suffice as a workaround? > > I find that surprising. The non-Cairo GTK build can use Xft and X font > backends, what's different about Cairo? > > (I just tried to set font-backend to '(ftcr x) on my Cairo build, and > failed, so perhaps it really isnĘžt supported). I'm guessing that the other font backends use X calls that cannot be supported with Cairo drawing, or maybe such support simply wasn't coded yet. But I'm not an expert on this stuff, so maybe I'm wrong.