So it turns out the policy.xml files are different between the two versions and removing the restrictions on @ in /etc/ImageMagick-6/policy.xml almost works. Well, it does work to read from files, but not from stdin.
Interesting. I went back and downloaded the source tarball that the armhf deb package was built from. If I compile that, caption:@- operates as expected: pi@raspberrypi:~/src/ImageMagick-6.8.9-9 $ ./utilities/convert -background lightblue -fill blue -pointsize 12 -size 320x caption:@- caption_file.gif Test pi@raspberrypi:~/src/ImageMagick-6.8.9-9 $ After a make install to /usr/local/bin/ the previous weird no prompt behaviour returns: pi@raspberrypi:~/src/ImageMagick-6.8.9-9 $ /usr/local/bin/convert -background lightblue -fill blue -pointsize 12 -size 320x caption:@- caption_file.gif pi@raspberrypi:~/src/ImageMagick-6.8.9-9 $ Digging a bit, the system version of the libs is being used. Setting LD_LIBRARY_PATH so that the libraries in /usr/local/lib/ are used and correct behaviour returns, even when using the system version of convert: pi@raspberrypi:~/src/ImageMagick-6.8.9-9 $ export LD_LIBRARY_PATH=/usr/local/lib pi@raspberrypi:~/src/ImageMagick-6.8.9-9 $ /usr/local/bin/convert -background lightblue -fill blue -pointsize 12 -size 320x caption:@- caption_file.gif This is a test pi@raspberrypi:~/src/ImageMagick-6.8.9-9 $ /usr/bin/convert -background lightblue -fill blue -pointsize 12 -size 320x caption:@- caption_file.gif This is a test pi@raspberrypi:~/src/ImageMagick-6.8.9-9 $ So the issue is coming from a library. Removing /usr/local/lib/libMagickCore-6.Q16.so.2 so that the system version starts getting used again and the problem resurfaces. Does it sound like this is most likely a bug introduced by the Debian or Raspian maintainer then? On Sat, 21 May 2016 at 16:28 Andrew Clark <[email protected]> wrote: > I have been having some issues getting captions to work with imagemagick > on an armhf machine. As per > http://www.imagemagick.org/Usage/text/#caption_paragraphs I was trying to > get the captions to read in from a file. > > On my amd64 machine, the following works and prompts on stdin for the > caption: > > convert -background lightblue -fill blue -pointsize 12 -size 320x > caption:@- caption_file.gif > > On the armhf machine, it doesn't even wait for stdin, it just exits and > caption file just contains the @- as the caption. > > Package version: > amd64 8:6.8.9.9-7+b2 > armhf 8:6.8.9.9-5+deb8u2 > > Imagemagick reports: > amd64: Version: ImageMagick 6.8.9-9 Q16 x86_64 2016-04-08 > http://www.imagemagick.org > armhf: Version: ImageMagick 6.8.9-9 Q16 arm 2016-05-16 > http://www.imagemagick.org > > Any ideas why the arm version doesn't appear to support reading from files > with the @ notation? > > Cheers, > Andrew. >
