glib2 fails build

[gotyaoi@…]

Specifically, it fails build when something that isn't python26 is set as the default using

port select --set python {not python26}

I had it set to python32, and was getting this godawful stacktrace. Unfortunately, I can't post my log as when it built right, the log vanished. The problem is that it's calling

/opt/local/bin/python

to run its tests, which in this case is a symlink to whatever you selected to be the default. python32 in my case, which is absolutely not what it was expecting. When it got set to python26 with

port select --set python python26

everything worked fine.