解决 Cannot find OpenSSL‘s <evp.h>
yum install openssl openssl-devel
ln -s /usr/lib64/libssl.so /usr/lib/
ln -s /usr/lib64/libssl.so /usr/lib/
解决 Cannot find OpenSSL's <evp.h>
原文：https://www.cnblogs.com/wwlww/p/8413567.html