gnome-session failure on xsession

[Vincent McGarry]

This is a new MacBook Pro with a virgin macports installation.  
Attempting to install gnome-session fails with:

checking for X... no
configure: error: X is required, but it was either disabled or not  
found.
Error: Target org.macports.configure returned: configure failure:  
shell command " cd "/opt/local/var/macports/build/ 
_opt_local_var_macports_sources_rsync.macports.org_release_ports_x11_xre 
nder/work/libXrender-0.9.0" && ./configure --prefix=/opt/local "  
returned error 1
Command output: checking if /usr/bin/gcc-4.0 supports -fno-rtti -fno- 
exceptions... no
checking for /usr/bin/gcc-4.0 option to produce PIC... -fno-common
checking if /usr/bin/gcc-4.0 PIC flag -fno-common works... yes
checking if /usr/bin/gcc-4.0 supports -c -o file.o... yes
checking whether the /usr/bin/gcc-4.0 linker (/usr/bin/ld) supports  
shared libraries... yes
checking dynamic linker characteristics... darwin8.10.3 dyld
checking how to hardcode library paths into programs... immediate
checking whether stripping libraries is possible... yes
checking if libtool supports shared libraries... yes
checking whether to build shared libraries... yes
checking whether to build static libraries... yes
configure: creating libtool
appending configuration tag "CXX" to libtool
checking for ld used by /usr/bin/g++-4.0... /usr/bin/ld
checking if the linker (/usr/bin/ld) is GNU ld... no
checking whether the /usr/bin/g++-4.0 linker (/usr/bin/ld) supports  
shared libraries... yes
checking for /usr/bin/g++-4.0 option to produce PIC... -fno-common
checking if /usr/bin/g++-4.0 PIC flag -fno-common works... yes
checking if /usr/bin/g++-4.0 supports -c -o file.o... yes
checking whether the /usr/bin/g++-4.0 linker (/usr/bin/ld) supports  
shared libraries... yes
checking dynamic linker characteristics... darwin8.10.3 dyld
checking how to hardcode library paths into programs... immediate
checking whether stripping libraries is possible... yes
appending configuration tag "F77" to libtool
checking for pkg-config... /opt/local/bin/pkg-config
checking pkg-config is at least version 0.9.0... yes
checking for X_CFLAGS...
checking for X_LIBS...
checking for X... no
configure: error: X is required, but it was either disabled or not  
found.

Warning: the following items did not execute (for xrender):  
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 gail gtk2 cairo  
xrender jpeg pango Xft2 xorg-xproto xorg-util-macros tiff libbonobo  
intltool p5-xml-parser perl5.8 orbit2 libidl p5-getopt-long p5- 
pathtools audiofile esound gconf gnome-mime-data gnome-vfs howl gnome- 
vfs-monikers gtk-doc scrollkeeper docbook-xml docbook-xml-4.3 docbook- 
xml-4.4 docbook-xml-4.5 libart_lgpl libbonoboui libgnome  
libgnomecanvas libglade2 libgnomeui gnome-keyring libgcrypt libgpg- 
error libsoup nspr gnome-doc-utils iso-codes py25-gobject python25  
py25-libxml2 py25-numeric gnome-panel gnome-desktop fribidi startup- 
notification gnome-menus py25-gtk py25-cairo libwnck shared-mime-info  
gst-plugins-base cdparanoia gstreamer bison m4 flex gzip py25- 
wxpython wxWidgets libsdl libsdl_mixer libogg libvorbis smpeg liboil  
libtheora libgnomekbd libxklavier metacity gnome-themes gtk-engines2  
icon-naming-utils p5-xml-simple p5-test-simple p5-test-harness p5-xml- 
namespacesupport p5-xml-sax nautilus eel libexif librsvg libcroco  
libgsf vte
Error: Status 1 encountered during processing.


X seems to installed and working.

Vince McGarry