gnome-session fails on libgsf

[Vincent McGarry]

Everything ran smoothly until this part of the installation. This is  
a virgin install of MacPorts on a new MacBook Pro 2.4 GHz. Here is  
the part of the log where it fails.

Vince

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checking for LIBGSF_GNOME... no
configure: error: GNOME support requested, but not available.

Warning: the following items did not execute (for libgsf):  
org.macports.activate org.macports.configure org.macports.build  
org.macports.destroot org.macports.install
Error: The following dependencies failed to build: control-center  
evolution-data-server gnome-platform-suite at-spi libbonobo libgnome  
gnome-vfs-monikers libbonoboui libgnomeui gnome-panel gnome-desktop  
libgnomekbd nautilus eel librsvg libgsf vte ncurses ncursesw
Error: Status 1 encountered during processing.

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