clang vs llvm-gcc-4.2 with py27-matplotlib

[Adam Mercer]

On Sat, Oct 15, 2011 at 12:57, Ryan Schmidt <ryandesign at macports.org> wrote:

> I guess MacPorts thinks you have Xcode 4.0 or 4.1. It is determined by running "xcodebuild -version"; see:
>
> https://trac.macports.org/browser/trunk/base/src/macports1.0/macports.tcl?rev=85382#L365
>
> Is it an old developer preview of 4.2? Try updating to the final version.

I didn't have access to the developer previews. I'm using 4.2 final:

$ xcodebuild -version
Xcode 4.2
Build version 4D199
$

Just tried building py27-matplotlib again and it chooses llvm-gcc-4.2.
I'm not too familiar with Tcl but is there a way I can see what Tcl is
doing in order to choose this compiler?

Cheers

Adam