centos7中源码编译openvpn-4-9时，出现以下问题

In file included from crypto_openssl.c:51:0:
openssl_compat.h:56:1: error: static declaration of ‘EVP_MD_CTX_reset’ follows non-static declaration
EVP_MD_CTX_reset(EVP_MD_CTX *ctx)

请问如何解决

https://blog.csdn.net/qq_45617652/article/details/102860543