Error: The HTTP image filter module requires the GD library – Nginx / CentOS 7.3

1. ./configure: error: the HTTP image filter module requires the GD library. You can either do not enable the module or install the libraries.

yum install gd gd-devel

 https://www.theshell.guru/error-the-http-image-filter-module-requires-the-gd-library-nginx-centos-7-3/

用一个例子来演示会更加清晰
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原文地址：https://www.cnblogs.com/hixiaowei/p/15029804.html