problem with mp-gcc after upgrading to Lion

[Jeremy Huddleston]

On Jul 21, 2011, at 9:10 AM, Marcelo Chiapparini wrote:

> 2011/7/21 Jeremy Huddleston <jeremyhu at macports.org>
> 
>> 
>> On Jul 21, 2011, at 8:53 AM, Marcelo Chiapparini wrote:
>> 
>>> Like you, I am wondering about installing XCode 4.1... but is it
>> necessary?
>>> I need Xcode only to run macports...
>> 
>> Yes.  You need XCode to build MacPorts or to run other dev tools built in
>> MacPorts (such as compilers which exec part of devtools as you just pointed
>> out).
>> 
>> 
> I already have XCode 3.2.6 installed, which I was using with Snow Leopard
> and macports. The questions is if I need to upgrade to XCode 4.1 in order to
> run macports in Lion.

XCode 3.2.6 is for Snow Leopard.  It won't work on Lion.  As you pointed out earlier, it was (correctly) removed from your system during the upgrade.  XCode 4.1 are the development tools for Lion.