参考：http://blog.csdn.net/gaofuqi/article/details/26698547

http://www.imagemagick.org/download/ImageMagick-6.9.9-5.tar.gz

安装zbar

http://blog.csdn.net/shanzhizi/article/details/50755168

安装zbar前需要安装imagemagic

安装好imagemagic后，需要执行下

ldconfig /usr/local/lib

如果出现错误：No package 'MagickWand' found

还需要安装MagicWand，地址http://www.magickwand.org/download/php/

 

在centos下使用这篇文章安装成功：

http://blog.csdn.net/lhnows/article/details/49366799

yum install ImageMagick-develyum install jasperyum install libgnomeui-develyum install pygtk2-develyum install libX*./configure --without-qt

完毕。