http://zenwalk.pinguix.com/user-accounts/bip/EXTRA/g/NetworkManager-pptp/ZENBUILD
http://zenwalk.pinguix.com/user-accounts/bip/EXTRA/g/NetworkManager-pptp/build-NetworkManager-pptp.sh
http://ftp.acc.umu.se/pub/GNOME/sources/NetworkManager-pptp/0.8/NetworkManager-pptp-0.8.4.tar.bz2
