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emerge -auDNv world
 * IMPORTANT: 2 news items need reading for repository 'gentoo'.
 * Use eselect news to read news items.
These are the packages that would be merged, in order:
Calculating dependencies... done!
[ebuild     U  ] app-office/libreoffice-bin-3.4.5.2 [3.4.3.2-r1] USE="kde (-aqua) -gnome -java" 66,038 kB
[ebuild  N     ] virtual/ooo-0  0 kB
[ebuild     U  ] app-office/libreoffice-l10n-3.4.5-r1 [3.4.3-r3] USE="-offlinehelp -templates%" LINGUAS="en ru -af -ar -as -ast -be -bg -bn -bo -br -brx -bs -ca -ca_XV -cs -cy -da -de -dgo -dz -el -en_GB -en_ZA -eo -es -et -eu -fa -fi -fr -ga -gd% -gl -gu -he -hi -hr -hu -id -is -it -ja -ka -kk -km -kn -ko -kok -ks -ku -lo -lt -lv -mai -mk -ml -mn -mni -mr -my -nb -ne -nl -nn -nr -nso -oc -om% -or -pa_IN -pl -pt -pt_BR -ro -rw -sa_IN% -sat -sd -sh -si% -sk -sl -sq -sr -ss -st -sv -sw_TZ -ta -te -tg -th -tn -tr -ts -ug -uk -uz -ve -vi -xh -zh_CN -zh_TW -zu" 2,732 kB
[ebuild     U  ] x11-drivers/nvidia-drivers-295.20-r1 [295.20] USE="acpi gtk (multilib) -custom-cflags" 0 kB
Total: 4 packages (3 upgrades, 1 new), Size of downloads: 68,770 kB
Would you like to merge these packages? [Yes/No] yes
>>> Verifying ebuild manifests
>>> Running pre-merge checks for app-office/libreoffice-bin-3.4.5.2
>>> Starting parallel fetch
>>> Emerging (1 of 4) app-office/libreoffice-bin-3.4.5.2
>>> Installing (1 of 4) app-office/libreoffice-bin-3.4.5.2
>>> Emerging (2 of 4) virtual/ooo-0
>>> Installing (2 of 4) virtual/ooo-0
>>> Emerging (3 of 4) app-office/libreoffice-l10n-3.4.5-r1
>>> Installing (3 of 4) app-office/libreoffice-l10n-3.4.5-r1
>>> Emerging (4 of 4) x11-drivers/nvidia-drivers-295.20-r1
>>> Installing (4 of 4) x11-drivers/nvidia-drivers-295.20-r1
>>> Jobs: 4 of 4 complete                           Load avg: 1.18, 0.71, 0.33
 * Messages for package app-office/libreoffice-bin-3.4.5.2:
 * Fallback PaX marking -m
 *      /usr/lib64/libreoffice/program/soffice.bin
 * Messages for package x11-drivers/nvidia-drivers-295.20-r1:
 * This package will overwrite one or more files that may belong to other
 * packages (see list below).
 *
 * Detected file collision(s):
 *
 *      /usr/lib64/libnvidia-compiler.so.295.20
 *      /usr/lib32/libnvidia-compiler.so.295.20
 *      /usr/lib64/libnvidia-compiler.so
 *      /usr/lib64/libcuda.so
 *      /usr/lib64/libcuda.so.1
 *      /usr/lib32/libnvidia-compiler.so
 *      /usr/lib32/libcuda.so
 *      /usr/lib32/libcuda.so.1
 *
 * Searching all installed packages for file collisions...
 *
 * Press Ctrl-C to Stop
 *
 * None of the installed packages claim the file(s).
 *
 * Package 'x11-drivers/nvidia-drivers-295.20-r1' merged despite file
 * collisions. If necessary, refer to your elog messages for the whole
 * content of the above message.
 * You must be in the video group to use the NVIDIA device
 * For more info, read the docs at
 * http://www.gentoo.org/doc/en/nvidia-guide.xml#doc_chap3_sect6
 *
 * This ebuild installs a kernel module and X driver. Both must
 * match explicitly in their version. This means, if you restart
 * X, you must modprobe -r nvidia before starting it back up
 *
 * To use the NVIDIA GLX, run "eselect opengl set nvidia"
 *
 * To use the NVIDIA CUDA/OpenCL, run "eselect opencl set nvidia"
 *
 * NVIDIA has requested that any bug reports submitted have the
 * output of /usr/bin/nvidia-bug-report.sh included.
 *
 * To work with compiz, you must enable the AddARGBGLXVisuals option.
 *
 * If you are having resolution problems, try disabling DynamicTwinView.
 *
>>> Auto-cleaning packages...
>>> No outdated packages were found on your system.
 * GNU info directory index is up-to-date.
 * IMPORTANT: 3 config files in '/etc' need updating.
 * See the CONFIGURATION FILES section of the emerge
 * man page to learn how to update config files.
 * IMPORTANT: 2 news items need reading for repository 'gentoo'.
 * Use eselect news to read news items.
 * After world updates, it is important to remove obsolete packages with
 * emerge --depclean. Refer to `man emerge` for more information.