gentoo ~ # emerge -tauvDN world

These are the packages that would be merged, in reverse order:

Calculating world dependencies -
!!! Packages for the following atoms are either all
!!! masked or don't exist:
app-portage/zugaina-sync

... done!
[nomerge      ] x11-themes/gnome-icon-theme-2.14.2  USE="-debug" 
[ebuild  N    ]  gnome-extra/evolution-data-server-1.6.2  USE="ipv6 ssl -debug -doc -kerberos -krb4 -ldap -nntp" 7,011 kB 
[ebuild  N    ]   gnome-base/libgnomeui-2.14.1  USE="jpeg -debug -doc" 1,847 kB 
[ebuild  N    ]    gnome-base/gnome-keyring-0.4.9  USE="-debug" 386 kB 
[ebuild  N    ]    gnome-base/libbonoboui-2.14.0  USE="X -debug -doc" 872 kB 
[ebuild  N    ]     gnome-base/libgnomecanvas-2.14.0  USE="X -debug -doc -static" 597 kB 
[nomerge      ] net-nntp/pan-0.94  
[ebuild  N    ]  gnome-base/libgnome-2.14.1  USE="esd -debug -doc -static" 971 kB 
[ebuild  N    ]   gnome-base/gnome-vfs-2.14.2  USE="ipv6 ssl -avahi -debug -doc -gnutls -hal -samba" 1,773 kB 
[ebuild  N    ]    gnome-base/gconf-2.14.0  USE="-debug -doc" 1,851 kB 
[ebuild  N    ]    gnome-base/gnome-mime-data-2.4.2  USE="-debug" 829 kB 
[ebuild  N    ]   gnome-base/libbonobo-2.14.0  USE="-debug -doc" 1,354 kB 
[nomerge      ] net-p2p/azureus-2.3.0.6-r1  USE="-source" 
[ebuild     U ]  dev-java/junit-3.8.1-r3 [3.8.1-r2] USE="-doc -source" 0 kB 
[ebuild   R   ] sys-apps/dbus-0.62  USE="X gtk python -debug -doc -mono -qt3* -qt4*" 1,696 kB 
[nomerge      ] dev-java/blackdown-jdk-1.4.2.03-r12  USE="-doc -nsplugin" 
[nomerge      ]  dev-java/java-config-2.0.26-r4  
[nomerge      ]   dev-java/java-config-wrapper-0.10-r1  
[ebuild     U ]    app-portage/portage-utils-0.1.20 [0.1.19] USE="python" 63 kB 
[nomerge      ] x11-terms/xterm-215-r1  USE="truetype unicode -Xaw3d -paste64 -toolbar" 
[nomerge      ]  virtual/x11-7.0-r2  USE="dri%" 
[nomerge      ]   x11-base/xorg-x11-7.0-r1  USE="-3dfx -intel" INPUT_DEVICES="keyboard mouse -acecad -aiptek -calcomp -citron -digitaledge -dmc -dynapro -elo2300 -elographics -evdev -fpit -hyperpen -jamstudio -joystick -magellan -magictouch -microtouch -mutouch -palmax -penmount -spaceorb -summa -synaptics -tek4957 -ur98 -vmmouse -void -wacom" VIDEO_CARDS="fglrx radeon vesa -apm -ark -chips -cirrus -cyrix -dummy -fbdev -glint -i128 -i740 -i810 -imstt -mach64 -mga -neomagic -nsc -nv -nvidia -r128 -rendition -s3 -s3virge -savage -siliconmotion -sis -sisusb -tdfx -tga -trident -tseng -v4l -vga -via -vmware -voodoo" [1] 
[ebuild     U ]    x11-apps/mesa-progs-6.5 [6.4.2] 3,794 kB 
[nomerge      ]  sys-libs/libutempter-1.1.4.1  
[nomerge      ]      x11-base/xorg-server-1.0.2-r7  USE="dri ipv6 -debug -minimal -xprint" 
[ebuild     U ]       media-libs/mesa-6.5.1_pre20060716 [6.4.2-r2] USE="motif nptl% -debug -doc -hardened" VIDEO_CARDS="radeon -i810 -mach64 -mga -none -r128 -s3virge -savage -sis -tdfx -trident -via" 5,393 kB [1] 
[nomerge      ] sys-devel/autoconf-wrapper-3.2-r2  
[nomerge      ]  sys-devel/autoconf-2.13  
[nomerge      ]   sys-apps/help2man-1.36.4  USE="nls" 
[nomerge      ]    dev-perl/Locale-gettext-1.05  USE="perl% -minimal" 
[ebuild     U ]     virtual/perl-Test-Simple-0.64 [0.63] 0 kB 
[ebuild     U ]      perl-core/Test-Simple-0.64 [0.62] USE="perl% -minimal%" 69 kB 

Total size of downloads: 28,514 kB
Portage overlays:
 [1] /usr/local/xgl-coffee
 [2] /usr/portage/local/layman/sunrise

Would you like to merge these packages? [Yes/No]