anchor.diff:      end.
   
   openssl_sane_dtls_session_reuse() ->
  -    case os:cmd("openssl version") of
  +    case portable_cmd("openssl", ["version"]) of
           "OpenSSL 1.1.1 " ++ _ ->
               false;
           "OpenSSL 1.1.1a" ++ _ ->
  
positive.code:      end.
  
  openssl_allows_server_renegotiate(Config) ->
       case os:cmd("openssl version") of
  	"LibreSSL 3.1" ++ _ ->
  	    {skip, "LibreSSL 3.1 does not allow server renegotiation"};
           _ ->
  
negative.code:     end.
  
  openssl_allows_client_renegotiate(Config) ->
       case portable_cmd("openssl", ["version"]) of
  	"OpenSSL 1.1" ++ _ ->
  	    {skip, "OpenSSL does not allow client renegotiation"};
  	"LibreSSL" ++ _ ->
  