... to include architecture, so the 64 bit build doesn't destroy the 32, thus
the results are found in:
/usr/local/i386/lib
/usr/local/x86_64/lib
whereas before all was in /usr/local/lib.
Change the XCode project too, to look for includes and libraries in the new
places.
In addition, the Xcode project can now build against the 10.6
or 10.7 SDKs. All that is needed is to change the SDK version
and the other settings will change automatically.