gtk2hs-0.10.0 directory and enter the following commands:
sudo port install pkgconfig export PKG_CONFIG_PATH=/usr/local/lib/pkgconfig:/Library/Frameworks/Cairo.framework/Resources/dev/lib/pkgconfig:/Library/Frameworks/GLib.framework/Resources/dev/lib/pkgconfig:/Library/Frameworks/Gtk.framework/Resources/dev/lib/pkgconfig ./configure --disable-gio --enable-docs make sudo make install-- MartijnSchrage - 09 Mar 2009