too many dependencies

[Jan Stary]

I just selfupdated 2.3.4 on my MacOSX 10.5.8
an try to install autogen.

hans at mac:~$ sudo port install autogen
--->  Computing dependencies for autogen
--->  Dependencies to be installed: guile libunistring texlive-basic texlive-bin cairo xorg-libXext xorg-libX11 xorg-bigreqsproto xorg-inputproto xorg-kbproto xorg-libXau xorg-xproto xorg-libXdmcp xorg-libxcb xorg-libpthread-stubs xorg-xcb-proto libxml2 xz xorg-util-macros xorg-xcmiscproto xorg-xextproto xorg-xf86bigfontproto xorg-xtrans xorg-xcb-util xrender xorg-renderproto ghostscript jbig2dec jpeg perl5 tiff xorg-libXt xorg-libsm xorg-libice graphite2 cmake libarchive lzo2 harfbuzz harfbuzz-icu icu libzzip xmlto docbook-xml docbook-xml-4.1.2 docbook-xml-4.2 xmlcatmgr docbook-xml-4.3 docbook-xml-4.4 docbook-xml-4.5 docbook-xml-5.0 docbook-xsl findutils fop getopt libxslt mpfr poppler gobject-introspection py27-mako py27-beaker py27-setuptools py27-markupsafe lcms2 openjpeg15 jbigkit poppler-data potrace texlive-common xorg-libXaw groff netpbm jasper libnetpbm subversion apr apr-util db46 cyrus-sasl2 serf1 scons xorg-libXmu xpm xorg-libXi xorg-libXfixes xorg-fixesproto xorg-libXp xorg-printproto readline
--->  Configuring xorg-bigreqsproto
--->  Building xorg-bigreqsproto
--->  Staging xorg-bigreqsproto into destroot
--->  Installing xorg-bigreqsproto @1.1.2_0
--->  Activating xorg-bigreqsproto @1.1.2_0
--->  Cleaning xorg-bigreqsproto
--->  Fetching archive for xorg-inputproto

Surely the xorg-* ports have nothing to do with it.
Why is macports considerr them as dependencies?

	Jan