* bug#11678: Trunk fails to compile on RHEL 5 machines
@ 2012-06-12 1:21 Paul Eggert
2012-06-12 10:10 ` Chong Yidong
0 siblings, 1 reply; 2+ messages in thread
From: Paul Eggert @ 2012-06-12 1:21 UTC (permalink / raw)
To: 11678; +Cc: Manoj Srivastava
Tags: patch
The Emacs trunk doesn't build on CentOS 5 due to an ImageMagick
problem. Here's a proposed patch. I'm CC:ing this to Manoj
Srivastava, since he reported it on emacs-devel in
<http://lists.gnu.org/archive/html/emacs-devel/2012-06/msg00188.html>.
I don't have easy access to CentOS 5 with ImageMagick so I haven't
tested this there, but it does work on Ubuntu 12.04.
=== modified file 'ChangeLog'
--- ChangeLog 2012-06-11 23:17:11 +0000
+++ ChangeLog 2012-06-12 01:13:39 +0000
@@ -1,3 +1,8 @@
+2012-06-12 Paul Eggert <eggert@cs.ucla.edu>
+
+ * configure.in: When using ImageMagick, check for
+ MagickMergeImageLayers.
+
2012-06-11 Glenn Morris <rgm@gnu.org>
* configure.in (SYSTEM_TYPE): New AC_DEFINE.
=== modified file 'configure.in'
--- configure.in 2012-06-11 23:17:11 +0000
+++ configure.in 2012-06-12 01:13:39 +0000
@@ -1854,7 +1854,7 @@
AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
LIBS="$IMAGEMAGICK_LIBS $LIBS"
- AC_CHECK_FUNCS(MagickExportImagePixels)
+ AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
fi
fi
fi
=== modified file 'etc/ChangeLog'
--- etc/ChangeLog 2012-06-10 13:20:58 +0000
+++ etc/ChangeLog 2012-06-12 01:13:39 +0000
@@ -1,3 +1,7 @@
+2012-06-12 Paul Eggert <eggert@cs.ucla.edu>
+
+ * NEWS: Transparency support requires ImageMagic 6.3.8 or later.
+
2012-06-04 Paul Eggert <eggert@cs.ucla.edu>
* PROBLEMS (68000 C compiler problems): Remove obsolete section.
=== modified file 'etc/NEWS'
--- etc/NEWS 2012-06-11 14:42:55 +0000
+++ etc/NEWS 2012-06-12 01:13:39 +0000
@@ -81,7 +81,8 @@
treated as images.
*** Images displayed via ImageMagick now support transparency and the
-:background image spec property.
+:background image spec property. Transparency support requires
+ImageMagick 6.3.8 or later.
** String values for `initial-buffer-choice' also apply to emacsclient
frames, if emacsclient is only told to open a new frame without
=== modified file 'src/ChangeLog'
--- src/ChangeLog 2012-06-12 00:30:18 +0000
+++ src/ChangeLog 2012-06-12 01:13:39 +0000
@@ -1,5 +1,8 @@
2012-06-12 Paul Eggert <eggert@cs.ucla.edu>
+ * image.c (imagemagick_load_image) [!HAVE_MAGICKMERGEIMAGELAYERS]:
+ Don't invoke MagickMergeImageLayers.
+
* image.c (imagemagick_load_image): Remove unused label.
2012-06-11 Glenn Morris <rgm@gnu.org>
=== modified file 'src/image.c'
--- src/image.c 2012-06-12 00:30:18 +0000
+++ src/image.c 2012-06-12 01:13:39 +0000
@@ -7776,6 +7776,7 @@
height = MagickGetImageHeight (image_wand);
width = MagickGetImageWidth (image_wand);
+#if HAVE_MAGICKMERGEIMAGELAYERS
/* Set the canvas background color to the frame or specified
background, and flatten the image. Note: as of ImageMagick
6.6.0, SVG image transparency is not handled properly
@@ -7787,6 +7788,7 @@
DestroyMagickWand (image_wand);
image_wand = new_wand;
}
+#endif
if (! (width <= INT_MAX && height <= INT_MAX
&& check_image_size (f, width, height)))
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2012-06-12 1:21 bug#11678: Trunk fails to compile on RHEL 5 machines Paul Eggert
2012-06-12 10:10 ` Chong Yidong
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