From: Eli Zaretskii <eliz@gnu.org>
To: ynyaaa@gmail.com
Cc: 24536@debbugs.gnu.org
Subject: bug#24536: 25.1; cannot display JPEG image
Date: Sun, 25 Sep 2016 17:21:45 +0300 [thread overview]
Message-ID: <83bmzcawli.fsf@gnu.org> (raw)
In-Reply-To: <87eg48d7ew.fsf@gmail.com> (ynyaaa@gmail.com)
> From: ynyaaa@gmail.com
> Date: Sun, 25 Sep 2016 11:45:11 +0900
>
> I installed emacs-25.1-i686-w64-mingw32.zip and
> copied libjpeg-9.dll and libgif-7.dll into emacs bin directory.
>
> JPEG images are not displayed in emacs buffer,
> while GIF images are displayed.
>
> Emacs says "Cannot display image: (Invalid image specification)".
>
> DLLs are obtained from http://sourceforge.net/projects/ezwinports/files/,
> archived in jpeg-v9a-w32-bin.zip and giflib-5.1.0-w32-bin.zip.
>
> dynamic-library-alist's value is
> ((xpm "libxpm.dll" "xpm4.dll" "libXpm-nox4.dll")
> (png "libpng16.dll" "libpng16-16.dll")
> (tiff "libtiff-5.dll" "libtiff3.dll" "libtiff.dll")
> (jpeg "libjpeg-8.dll")
> (gif "libgif-7.dll")
> (svg "librsvg-2-2.dll")
> (gdk-pixbuf "libgdk_pixbuf-2.0-0.dll")
> (glib "libglib-2.0-0.dll")
> (gobject "libgobject-2.0-0.dll")
> (gnutls "libgnutls-30.dll")
> (libxml2 "libxml2-2.dll" "libxml2.dll")
> (zlib "zlib1.dll" "libz-1.dll"))
Ouch! what a mess!
It looks like the MinGW64 project doesn't yet offer a build of
libjpeg-9.dll, so the Emacs binary you have was compiled against
libjpeg-8.dll, and Emacs wants it. But the ezwinports site only has
the later libjpeg-9.dll, so Emacs refuses to use it (because they are
binary-incompatible).
For now, you will be better off using the DLLs from here:
http://alpha.gnu.org/gnu/emacs/pretest/windows/emacs-25-i686-deps.zip
(Btw, Phillip: why on alpha.gnu? why not ftp.gnu.org, right next to
the Emacs binaries?)
I will try to upload the older libjpeg-8.dll to the ezwinports site
when I have time, so that users of the official binaries could get it
there as well.
A similar problem is with libgnutls-30.dll, except that there, MinGW64
is ahead of ezwinports. I will try to port and upload the newer
version soon.
Sorry.
next prev parent reply other threads:[~2016-09-25 14:21 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-25 2:45 bug#24536: 25.1; cannot display JPEG image ynyaaa
2016-09-25 14:21 ` Eli Zaretskii [this message]
2016-09-25 15:08 ` Eli Zaretskii
2016-09-26 8:59 ` ynyaaa
2016-09-26 15:00 ` Eli Zaretskii
2016-10-04 10:38 ` Eli Zaretskii
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