HOW-TO BUILD ============ on a Mac with Mac OS X 10.5 and Developer Tools installed (also runs in a VirtualBox VM): install official 2.6.6 python: http://www.python.org/ftp/python/2.6.6/python-2.6.6-macosx10.3.dmg install setuptools into this python: download http://pypi.python.org/packages/2.6/s/setuptools/setuptools-0.6c11-py2.6.egg export PATH=/Library/Frameworks/Python.framework/Versions/2.6/bin:$PATH sudo sh get latest release version of pyobjc: svn co http://svn.red-bean.com/pyobjc/tags/pyobjc-2.3.1/ cd pyobjc-2.3.1 sed -E -i bak -e 's*\(/usr/bin/\)?python2.5*/Library/Frameworks/Python.framework/Versions/2.6/bin/python*' 02-develop-all.sh ./02-develop-all.sh cd pyobjc /Library/Frameworks/Python.framework/Versions/2.6/bin/python setup.py develop cd ../.. MACOSX_DEPLOYMENT_TARGET=10.3 /Library/Frameworks/Python.framework/Versions/2.6/bin/python2.6 setup.py py2app --icon=lilypond.icns cd dist tar czvf osx-lilypad-universal-10.6.tar.gz LilyPond.app Optional: copy lilypond into the Bundle: rsync -v -lr --ignore-existing /Applications/LilyPond.app/Contents/Resources/* dist/LilyPond.app/Contents/Resources/