There's a lot of information available on the main espeak website.
install XCode from DVD or apple.com/developer install Darwin Ports: http://darwinports.com download, install package (update .login for tcsh from .profile) sudo port -d selfupdate install portaudio http://portaudio.darwinports.com/ sudo mkdir -p /opt/local/bin/portslocation/dports/portaudio cd /opt/local/bin/portslocation/dports/portaudio sudo port install portaudio download espeak http://espeak.sourceforge.net/ cd ~/Downloads/espeak-1.31-source add -L/opt/local/lib two places to make file remove define of LIBRARY, one place, because it defines USE_ASYNC, which doesn't compile in event.cpp, others cp portaudio19.h portaudio.h make speak cd .. sudo mv espeak-data /usr/share