completely remove ports from your mac

gistfile1.sh

port installed #list all installed

sudo port uninstall XXXX

#backup your MySQL databases

sudo port uninstall XXXX

port install # uninstall until it shows nothing

sudo rm -rf \
    /opt/local \
    /Applications/DarwinPorts \
    /Applications/MacPorts \
    /Library/StartupItems/DarwinPortsStartup \
    /Library/Tcl/darwinports1.0 \
    /Library/Tcl/macports1.0 \
    ~/.macports