GNU bug report logs - #33587
[PROPOSED] Default to disabling ImageMagick

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Paul Eggert <eggert <at> cs.ucla.edu>
Subject: bug#33587: closed (Re: [PROPOSED] Default to disabling ImageMagick)
Date: Tue, 14 May 2019 06:16:01 +0000

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Your bug report

#33587: [PROPOSED] Default to disabling ImageMagick

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 33587 <at> debbugs.gnu.org.

-- 
33587: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=33587
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Paul Eggert <eggert <at> cs.ucla.edu>
To: 33587-done <at> debbugs.gnu.org
Subject: Re: [PROPOSED] Default to disabling ImageMagick
Date: Mon, 13 May 2019 23:15:03 -0700

Paul Eggert wrote:

> At some point soon I plan to install the patch in Bug#33587#5

It wasn't soon, but I did install the patch just now. Closing the bug report.

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From: Paul Eggert <eggert <at> cs.ucla.edu>
To: bug-gnu-emacs <at> gnu.org
Cc: Paul Eggert <eggert <at> Penguin.CS.UCLA.EDU>
Subject: [PROPOSED] Default to disabling ImageMagick
Date: Sun,  2 Dec 2018 10:09:19 -0800

From: Paul Eggert <eggert <at> Penguin.CS.UCLA.EDU>

ImageMagick has continuing stability and security problems, suggesting
that 'configure' should disable it by default.  See Glenn Morris's notes
at: https://lists.gnu.org/r/emacs-devel/2018-12/msg00036.html
* INSTALL, etc/NEWS: Mention this.
* configure.ac (imagemagick): Default to off.
---
 INSTALL      | 4 +++-
 configure.ac | 2 +-
 etc/NEWS     | 4 ++++
 3 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/INSTALL b/INSTALL
index 0c56fff6d4..9696904dce 100644
--- a/INSTALL
+++ b/INSTALL
@@ -294,7 +294,9 @@ or more of these options:
   --without-gif          for GIF image support
   --without-png          for PNG image support
   --without-rsvg         for SVG image support
-  --without-imagemagick  for Imagemagick support
+
+Although ImageMagick support is disabled by default due to security
+and stability concerns, you can enable it with --with-imagemagick.
 
 Use --without-toolkit-scroll-bars to disable Motif or Xaw3d scroll bars.
 
diff --git a/configure.ac b/configure.ac
index 8b34c3b658..b70393925a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -354,7 +354,7 @@ AC_DEFUN
 OPTION_DEFAULT_ON([libsystemd],[don't compile with libsystemd support])
 OPTION_DEFAULT_OFF([cairo],[compile with Cairo drawing (experimental)])
 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
-OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
+OPTION_DEFAULT_OFF([imagemagick],[compile with ImageMagick image support])
 OPTION_DEFAULT_ON([json], [don't compile with native JSON support])
 
 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
diff --git a/etc/NEWS b/etc/NEWS
index 6297d07879..07c6f74c44 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -37,6 +37,10 @@ functions 'json-serialize', 'json-insert', 'json-parse-string', and
 'json-parse-buffer' are typically much faster than their Lisp
 counterparts from json.el.
 
+** Emacs no longer defaults to using ImageMagick to display images,
+due to security and stability concerns.  To override the default, use
+'configure --with-imagemagick'.
+
 ** The etags program now uses the C library's regular expression matcher
 when possible, and a compatible regex substitute otherwise.  This will
 let developers maintain Emacs's own regex code without having to also
-- 
2.19.2

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