howto find build date for ports ?

[Bruno Damour]

Björn König wrote:
> Hello Bruno,
>
>   
>> I wonder if there is a tool that can tell which prots were last built
>> before a certain date ?
>> Thanks in advance
>>     
>
>   find /var/db/pkg -type d -mtime +30
>
> lists all ports that haven't been touched for more than 30 days.
>
> Regards
> Björn
>
> P.S. questions at freebsd.org is a better place for those questions. ;)
>
>   
Yes but I guess if I csup the tree i'll get today's date everywhere.
What I want to know is when I _built_ the port.

Thanks in advance
Bruno