iMac:Debug igor$ blender
Read new prefs: /Users/igor/Library/Application Support/Blender/2.73/config/userpref.blend
found bundled python: /Users/igor/blender-build/build_darwin/bin/Debug/blender.app/Contents/MacOS/…/Resources/2.73/python
Fatal Python error: Py_Initialize: unable to load the file system codec
ImportError: No module named ‘encodings’
Abort trap: 6
What I believe is happening is that Blenders embedded python (3.4) is using system default python shared lib (2.7) and failing. The same build environment worked fine prior to update to Yosemite.
If someone had any pointers how to resolve this, please share.
PS. Pre-built Blender works fine.