Hi All, Got this: Getting distribution for 'zope.interface'. In file included from /Library/Frameworks/Python.framework/Versions/2.7/include/python2.7/unicodeobject.h:4, from /Library/Frameworks/Python.framework/Versions/2.7/include/python2.7/Python.h:85, from src/zope/interface/_zope_interface_coptimizations.c:15: /Developer/SDKs/MacOSX10.6.sdk/usr/include/stdarg.h:4:25: error: stdarg.h: No such file or directory In file included from /Library/Frameworks/Python.framework/Versions/2.7/include/python2.7/unicodeobject.h:4, from /Library/Frameworks/Python.framework/Versions/2.7/include/python2.7/Python.h:85, from src/zope/interface/_zope_interface_coptimizations.c:15: /Developer/SDKs/MacOSX10.6.sdk/usr/include/stdarg.h:4:25: error: stdarg.h: No such file or directory lipo: can't figure out the architecture type of: /var/folders/m6/tsd59qsj7pd_lldh4mhwh6kh0000gn/T//cc4KmKtY.out ******************************************************************************** WARNING: An optional code optimization (C extension) could not be compiled. Optimizations for this package will not be available! () command 'gcc-4.2' failed with exit status 1 ******************************************************************************** Got zope.interface 4.0.1. Anyone seen that before? cheers, Chris -- Simplistix - Content Management, Batch Processing & Python Consulting - http://www.simplistix.co.uk