swiftscythe [1] filed a deletion request for libgtop11dotnet [2]: The sources, which were made available from https://launchpad.net/~gemaltocrypto are not available any more, and the project seems to be dead. Furthermore, the package does not build with boost 1.56... [1] https://aur.archlinux.org/account/swiftscythe/ [2] https://aur.archlinux.org/pkgbase/libgtop11dotnet/