前言
最近升级Nginx 1.24.0，编译第三方module出错：
/usr/src/nginx_modules/ngx_json_post_module/src/ngx_json_post_module.c
In file included from src/event/ngx_event.h:526,
from src/http/ngx_http_upstream.h:14,
from src/http/ngx_http.h:34,
from /usr/src/nginx_modules/ngx_json_post_module/src/ngx_json_post_module.c:11:
src/event/ngx_event_udp.h:38:27: error: field ‘pkt6’ has incomplete type
38 | struct in6_pktinfo pkt6;
| ^~~~原因
从这个可以看出，
field ‘pkt6’ has incomplete type是定义不匹配，查了一下资料：
https://trac.nginx.org/nginx/ticket/2312
同时，看了一下第三方module的源码，发现第三方module源码，不是以nginx规则开头的：
The following two #include statements must appear at the beginning of every nginx file:
#include <ngx_config.h>
#include <ngx_core.h>Development guide
解决
所以修改文件include头顺序，文章来源：https://www.toymoban.com/news/detail-780781.html
#include <ngx_config.h>
#include <ngx_core.h>
....搞定文章来源地址https://www.toymoban.com/news/detail-780781.html
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