/home/bson/evs-nginx-vod/.build/nginx-secure-token-module/ngx_http_secure_token_encrypt_uri.c:201: error: ‘MD5_DIGEST_LENGTH’ undec lared (first use in this function) /home/bson/evs-nginx-vod/.build/nginx-secure-token-module/ngx_http_secure_token_encrypt_uri.c:201: error: (Each un...