HAVE_DECL_SSL_CTX_SET_TMP_ECDH
#elif defined(USE_ECDSA) && HAVE_DECL_SSL_CTX_SET_TMP_ECDH
#elif defined(HAVE_DECL_SSL_CTX_SET_TMP_ECDH) && defined(NID_X9_62_prime256v1) && defined(HAVE_EC_KEY_NEW_BY_CURVE_NAME)
#elif defined(USE_ECDSA) && HAVE_DECL_SSL_CTX_SET_TMP_ECDH
#elif defined(USE_ECDSA) && HAVE_DECL_SSL_CTX_SET_TMP_ECDH