libGraphicsMagickWand.so:cannot open shared object file 问题处理

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GraphicsMagick lua库

https://github.com/clementfarabet/graphicsmagick

GraphicsMagick lua库安装后,lua文件中引入 require ‘graphicsmagick’ 报错
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.../openresty/luajit/share/lua/5.1/graphicsmagick/Image.lua:329: libGraphicsMagickWand.so: cannot open shared object file: No such file or directory
stack traceback:
        [C]: in function 'load'
        .../openresty/luajit/share/lua/5.1/graphicsmagick/Image.lua:329: in main chunk
        [C]: in function 'require'
        ...l/openresty/luajit/share/lua/5.1/graphicsmagick/init.lua:2: in main chunk
        [C]: in function 'require'
        stdin:1: in main chunk
        [C]: at 0x004046d0

原因是:libGraphicsMagickWand.so 动态库未找到.
在安装graphicsmagick时,libGraphicsMagickWand.so等动态库文件被安装在
/usr/local/lib下，/usr/local/lib目录未被链接上

解决方法:

将 /usr/local/lib 目录添加到 ld.so.conf 文件中

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vi /etc/ld.so.conf
#文件内容如下
include ld.so.conf.d/*.conf
/usr/local/lib

保存后执行ldconfig 重新链接动态库即可

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ldconfig