From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#10578: 24.0.92; No png images on OpenSUSE 12.1 Date: Sun, 22 Jan 2012 19:51:40 +0200 Message-ID: <83ipk339sj.fsf@gnu.org> References: <87y5sz1ztp.fsf@linux-hvfx.site> <83k44j3djg.fsf@gnu.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: lo.gmane.org X-Trace: dough.gmane.org 1327254785 2085 80.91.229.12 (22 Jan 2012 17:53:05 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Sun, 22 Jan 2012 17:53:05 +0000 (UTC) Cc: 10578@debbugs.gnu.org To: Lars Magne Ingebrigtsen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Jan 22 18:53:01 2012 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([140.186.70.17]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Rp1b9-0001Fd-7q for geb-bug-gnu-emacs@m.gmane.org; Sun, 22 Jan 2012 18:52:59 +0100 Original-Received: from localhost ([::1]:51462 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Rp1b8-0004MS-QW for geb-bug-gnu-emacs@m.gmane.org; Sun, 22 Jan 2012 12:52:58 -0500 Original-Received: from eggs.gnu.org ([140.186.70.92]:33608) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Rp1b5-0004M8-W7 for bug-gnu-emacs@gnu.org; Sun, 22 Jan 2012 12:52:57 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Rp1b2-00072b-Hb for bug-gnu-emacs@gnu.org; Sun, 22 Jan 2012 12:52:55 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:34791) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Rp1b2-00072X-Em for bug-gnu-emacs@gnu.org; Sun, 22 Jan 2012 12:52:52 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.72) (envelope-from ) id 1Rp1bB-0001S9-PR for bug-gnu-emacs@gnu.org; Sun, 22 Jan 2012 12:53:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 22 Jan 2012 17:53:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 10578 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 10578-submit@debbugs.gnu.org id=B10578.13272547345531 (code B ref 10578); Sun, 22 Jan 2012 17:53:01 +0000 Original-Received: (at 10578) by debbugs.gnu.org; 22 Jan 2012 17:52:14 +0000 Original-Received: from localhost ([127.0.0.1]:40178 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1Rp1aM-0001R7-Rc for submit@debbugs.gnu.org; Sun, 22 Jan 2012 12:52:14 -0500 Original-Received: from mtaout21.012.net.il ([80.179.55.169]:56073) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1Rp1aH-0001QZ-1W for 10578@debbugs.gnu.org; Sun, 22 Jan 2012 12:52:09 -0500 Original-Received: from conversion-daemon.a-mtaout21.012.net.il by a-mtaout21.012.net.il (HyperSendmail v2007.08) id <0LY700500O3WS400@a-mtaout21.012.net.il> for 10578@debbugs.gnu.org; Sun, 22 Jan 2012 19:51:47 +0200 (IST) Original-Received: from HOME-C4E4A596F7 ([77.127.215.109]) by a-mtaout21.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0LY7005OZOA1GBB0@a-mtaout21.012.net.il>; Sun, 22 Jan 2012 19:51:39 +0200 (IST) In-reply-to: X-012-Sender: halo1@inter.net.il X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) X-Received-From: 140.186.70.43 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-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:55910 Archived-At: > From: Lars Magne Ingebrigtsen > Cc: 10578@debbugs.gnu.org > Date: Sun, 22 Jan 2012 17:50:02 +0100 > > Eli Zaretskii writes: > > >> Recent messages: > >> PNG warning: Application was compiled with png.h from libpng-1.4.8 > >> PNG warning: Application is running with png.c from libpng-1.2.46 > >> PNG error: Incompatible libpng version in application and library > > > > Any questions? > > Of course. > > 1) Why didn't the warnings appear in the echo area instead of just > hiding out in the *Messages* buffer? Most probably because they are emitted during redisplay, and you cannot have anything displayed in the echo area at redisplay time, because doing so re-enters redisplay, which will again produce the same error message, etc., ad nauseam (a.k.a. infloop). > 2) If I have both libpng12 and 14 installed, why is Emacs building > against 14 and then preferring 12 when running? Because Emacs on GNU/Linux doesn't use the kind of machinery it does on MS-Windows, whereby it will reject 12 if it was compiled against 14. See w32-win.el:dynamic-library-alist, and in particular how it consults the variable libpng-version (which is set at compile time).