Grazie, il primo errore la tolto poi è andato avanti eccone altri:

hecking extension pgsql is loaded or loadable: False
[Warning] The pgsql extension is needed, if you plan to use a pgSQL database.

Checking extension mssql is loaded or loadable: False
[Warning] The mssql extension is needed, if you plan to use a MsSQL database.

Checking extension mbstring is loaded or loadable: False
[Warning] The mbstring extension is needed to fully support unicode (utf-8) or other multibyte-charsets.

Checking extension imap is loaded or loadable: False
[Warning] The imap extension is needed by the two email apps (even if you use email with pop3 as protokoll).

Checking file-permissions of . for : nn/nn drwxrwxrwx
[Error] . world-writable !!!
Se mi date una mano ve ne sono davvero grato.