make print-run-depends for xfdesktop gives this :
Code:
This port requires package(s) "startup-notification-0.12p3 hicolor-icon-theme-0.13p0 bzip2-1.0.6p1 xz-5.0.7 p5-URI-1.64 dbus-1.8.12v0 graphite2-1.2.4 libdaemon-0.14p0 jasper-1.900.1p2 jpeg-9a tiff-4.0.3p2 libiconv-1.14p1 gettext-0.19.3 gdbm-1.11p0 libidn-1.29p0 curl-7.39.0 gnupg-1.4.17p0 libgpg-error-1.17 libgcrypt-1.6.2p1 libexif-0.6.21 libxml-2.9.2p0 libarchive-3.0.4p0 pcre-8.35 libtasn1-4.2p0 gmp-5.0.2p2 libnettle-2.7.1p1 lzo2-2.08 png-1.6.15 libffi-3.0.13 python-2.7.8 p11-kit-0.22.1 gnutls-3.2.20 libelf-0.8.13p2 glib2-2.42.1p0 desktop-file-utils-0.22 shared-mime-info-1.3 gdk-pixbuf-2.30.8 gtk-update-icon-cache-2.24.25 libnotify-0.7.6 libxfce4util-4.10.1 garcon-0.2.1 dbus-glib-0.102v0 xfconf-4.10.0p0 cairo-1.14.0p0 harfbuzz-0.9.36 pango-1.36.8 libcroco-0.6.8p0 librsvg-2.40.6 gnome-icon-theme-3.12.0p1 gnome-icon-theme-symbolic-3.12.0p1 adwaita-icon-theme-3.14.1 atk-2.14.0 avahi-0.6.31p13 cups-libs-2.0.1 gtk+2-2.24.25 libxfce4ui-4.10.0p6 exo-0.10.2p2 libwnck-2.30.7p4 xfce4-panel-4.10.1p1 dconf-0.22.0p1 gsettings-desktop-schemas-3.14.1 libproxy-0.4.11p3 glib2-networking-2.42.1 libsoup-2.48.1 avahi-0.6.31p13 at-spi2-core-2.14.1 at-spi2-atk-2.14.1 gtk+3-3.14.5 gcr-3.14.0p0 gnome-keyring-3.14.0 libsecret-0.18 gvfs-1.22.2 thunar-1.6.3p1" to run.
have you started dbus and avahi daemons before starting the xsession ?