下载zbar
安装qt
sudo apt-get install libqt4-dev
安装视频插件
sudo apt-get install libv4l-dev
sudo ln -s /usr/include/libv4l1-videodev.h /usr/include/linux/videodev.h
sudo apt-get install python-gtk2-dev
源码安装imagemagick
https://github.com/ImageMagick/ImageMagick/releases
./configure
make
sudo make install
没有下面这一步会报错/usr/include/x86_64-linux-gnu/bits/stdio2.h:140:1: error: expected identifier or ‘(’ before ‘{’ token
export CFLAGS=""
./configure
make -j8
sudo make install