Commit d2dea704 authored by Paul Eggert's avatar Paul Eggert

Default to disabling ImageMagick (Bug#33587)

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, nt/INSTALL.W64: Mention this.
* configure.ac (imagemagick): Default to off.
parent e0ee41d1
Pipeline #1656 passed with stage
in 50 minutes and 12 seconds
......@@ -295,7 +295,9 @@ 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.
......
......@@ -432,7 +432,7 @@ OPTION_DEFAULT_ON([lcms2],[don't compile with Little CMS support])
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])
......
......@@ -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'.
** Several configure options now accept an option-argument 'ifavailable'.
For example, './configure --with-xpm=ifavailable' now configures Emacs
to attempt to use libxpm but to continue building even if libxpm is
......
......@@ -139,10 +139,10 @@ which 'make install' will use - in this example we set it to C:\emacs\emacs-26.
If a prefix is not specified the files will be put in the standard Unix
directories located in your C:\msys64 directory, but this is not recommended.
Note also that we need to disable Imagemagick and D-Bus because Emacs
does not yet support them on Windows.
Note also that we need to disable D-Bus because Emacs does not yet
support them on Windows.
./configure --prefix=/c/emacs/emacs-26 --without-imagemagick --without-dbus
./configure --prefix=/c/emacs/emacs-26 --without-dbus
** Run make
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment