How does Macport work?

Fon Vitale fonvitale at
Wed Jun 10 14:54:59 PDT 2009

Hi everybody!
I'm a new Macport user and I have a basic question. I would like to know
what happens when you want to install one thing that it's alredy installed.

For instance, supose that C compiler is alredy installed in your computer
(not installed using macport) and you install it using macport:

sudo port install gcc43 (for example)

What is macport installing?
Where is macport installing C compiler?
What happens with C files installed before?
If we want to uninstall C compiler... ?

Thank you so much.

Fon Vitale
fonvitale at
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