GNU bug report logs - #7955
configure does not thoroughly test for ImageMagick includes

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Glenn Morris <rgm <at> gnu.org>
Subject: bug#7955: closed (Re: bug#7955: patch for imagemagick header rename)
Date: Tue, 12 Apr 2011 03:57:02 +0000

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Your bug report

#7955: configure does not thoroughly test for ImageMagick includes

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 7955 <at> debbugs.gnu.org.

-- 
7955: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=7955
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Glenn Morris <rgm <at> gnu.org>
To: 7955-done <at> debbugs.gnu.org
Subject: Re: bug#7955: patch for imagemagick header rename
Date: Mon, 11 Apr 2011 23:56:18 -0400

Version: 24.1

Done.

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From: Glenn Morris <rgm <at> gnu.org>
To: submit <at> debbugs.gnu.org
Subject: configure does not thoroughly test for ImageMagick includes
Date: Tue, 01 Feb 2011 15:38:37 -0500

Package: emacs
Version: 24.0.50
Severity: minor

I tried to build the current trunk on a RHEL 4.8 system.
This has ImageMagick 6.0.7 installed.
configure decided that ImageMagick was usable:

  checking for Wand... yes
  checking IMAGEMAGICK_CFLAGS...  
  checking IMAGEMAGICK_LIBS... -lWand -lMagick  
  checking for MagickExportImagePixels... no
  [...]
  Does Emacs use imagemagick?                             yes

However, the build failed because of this:

  image.c:7455:29: warning: wand/MagickWand.h: No such file or directory

The system has /usr/include/wand/magick_wand.h, but it does not
have /usr/include/wand/MagickWand.h. Looks like the former is now
deprecated. The latter does exist on RHEL 5.5, with ImageMagick 6.2.8.

Obviously I can just re-configure using --without-imagemagick, but
Emacs should do this for me. Either configure should test for some
required minimum version of ImageMagick (I was not able to find out in
what version wand/MagickWand.h was added); or image.c should fall back
to wand/magick_wand.h if it can.

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