Wed Mar 9 21:57:23 PST 2011

On Mar 9, 2011, at 08:42, Bruno DOUTRIAUX - Youmé-TECH wrote:

> i was trying to install gcc45 using mac port but it hanged

Unlikely; gcc45 just takes a very long time to build (hours, or even days on a slower PowerPC).

> so i did ctrl z
> and it stopped

No, it suspended. It's still running, paused, waiting to be unsuspended.

> then i redid sudo port install gcc45
> and then i had a lock.
> how can i unlock it ?

Stop the process you suspended. Or resume it. Or, if you can't figure out how, restart your Mac.