rob, I cannot answer any of your questions because I am not a programmer. I simply follow the instructions for building on OS X with Xcode and MacPorts at http://sourceforge.net/apps/mediawiki/s ... d_Mac_OS_X
I don't know if this is relevant, but I have the following in my environment.plist:
With those settings, this is all I do:
sudo make install
If it works for others, it works; if not, oh well.