# emerge -cpv dev-python/matplotlib media-libs/alsa-lib media-libs/harfbuzz media-libs/libcanberra media-sound/pulseaudio x11-base/xorg-drivers x11-drivers/nvidia-drivers

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        default/linux/amd64/17.1/desktop/gnome/systemd/merged-usr

To upgrade do the following steps:

As warned about previously in a news item, systemd-255 has dropped
support for split-usr systems. All Gentoo systems running systemd will
need to be migrated to merged-usr.

Migrating to merged-usr will move all data from /bin, /sbin, and /lib
into the /usr/bin and /usr/lib directories. The directories in / are
replaced with symlinks.

To facilitate this, a new set of sub-profiles has been created, and a
script is available to perform the actual migration.

To migrate a system to merged-usr, follow this procedure:

1. Ensure your system backups are up to date. Please also update
   your system fully and depclean before proceeding.

2. Install sys-apps/merge-usr.

3. Run "merge-usr --dryrun" as root to check for conflicts. These will
   appear with the word ERROR at the start of the line.

4. Resolve any conflicts. This may involve deleting duplicate files. If
   in doubt, seek support in a Gentoo support channel.

5. Run the merge-usr script from a root shell. Avoid running it via sudo
   directly to avoid locking yourself out if an unexpected error occurs.

6. Switch to a merged-usr profile.

7. Run emerge with the --newuse or --changed-use option to rebuild
   any packages that have a "split-usr" USE flag.



Calculating dependencies... done!
  dev-python/matplotlib-3.8.4 pulled in by:
    media-video/pitivi-2023.03-r2 requires dev-python/matplotlib[python_targets_python3_11(-)]

  media-libs/alsa-lib-1.2.13-r2 pulled in by:
    app-emulation/virtualbox-7.0.14-r2 requires >=media-libs/alsa-lib-1.0.13
    dev-java/openjdk-bin-17.0.10_p7 requires media-libs/alsa-lib
    dev-java/openjdk-bin-21.0.5_p11 requires media-libs/alsa-lib
    gnome-base/gnome-settings-daemon-45.1 requires media-libs/alsa-lib
    media-gfx/gimp-2.10.36 requires >=media-libs/alsa-lib-1.0.0
    media-libs/avidemux-plugins-2.8.1-r2 requires media-libs/alsa-lib
    media-libs/gst-plugins-base-1.22.11 requires >=media-libs/alsa-lib-1.0.27.2[abi_x86_64(-)]
    media-libs/libcanberra-0.30-r8 requires media-libs/alsa-lib:=[abi_x86_64(-)], media-libs/alsa-lib:0/0=[abi_x86_64(-)]
    media-libs/libsdl2-2.30.7-r1 requires >=media-libs/alsa-lib-1.0.27.2[abi_x86_64(-)]
    media-libs/libsndfile-1.2.2-r2 requires media-libs/alsa-lib:=, media-libs/alsa-lib:0/0=
    media-plugins/mpg123-output-plugins-1.32.9 requires media-libs/alsa-lib
    media-sound/alsa-utils-1.2.13-r2 requires >=media-libs/alsa-lib-1.2.13
    media-sound/spotify-1.2.31 requires media-libs/alsa-lib
    media-video/ffmpeg-6.1.1-r5 requires >=media-libs/alsa-lib-1.0.27.2[abi_x86_64(-)]
    media-video/mplayer-1.5_p20230618 requires media-libs/alsa-lib
    media-video/pipewire-1.0.5 requires media-libs/alsa-lib[abi_x86_64(-)]
    media-video/vlc-3.0.20-r10 requires media-libs/alsa-lib
    net-misc/icaclient-22.12.0.12-r1 requires media-libs/alsa-lib
    www-client/google-chrome-125.0.6422.60 requires media-libs/alsa-lib

  media-libs/harfbuzz-8.3.0 pulled in by:
    app-office/libreoffice-7.6.4.1 requires >=media-libs/harfbuzz-5.1.0:0/6.0.0=[graphite,icu]
    dev-java/openjdk-bin-17.0.10_p7 requires media-libs/harfbuzz
    dev-java/openjdk-bin-21.0.5_p11 requires media-libs/harfbuzz
    dev-qt/qtgui-5.15.13 requires media-libs/harfbuzz:0/6.0.0=
    gnome-base/librsvg-2.57.3 requires >=media-libs/harfbuzz-2.0.0:0/6.0.0=[abi_x86_64(-)]
    gnome-extra/sushi-45.0 requires >=media-libs/harfbuzz-0.9.9:0/6.0.0=, >=media-libs/harfbuzz-0.9.9:=
    gui-libs/gtk-4.12.5-r1 requires >=media-libs/harfbuzz-2.6.0:0/6.0.0=
    media-gfx/gimp-2.10.36 requires >=media-libs/harfbuzz-0.9.19:0/6.0.0=
    media-gfx/gnome-font-viewer-45.0 requires >=media-libs/harfbuzz-0.9.9:0/6.0.0=
    media-libs/freetype-2.13.3 requires >=media-libs/harfbuzz-1.3.0[truetype,abi_x86_64(-)]
    media-libs/libass-0.17.1 requires >=media-libs/harfbuzz-1.2.3:0/6.0.0=[truetype,abi_x86_64(-)], >=media-libs/harfbuzz-1.2.3:=[truetype,abi_x86_64(-)]
    media-sound/spotify-1.2.31 requires media-libs/harfbuzz
    media-video/ffmpeg-6.1.1-r5 requires media-libs/harfbuzz:0/6.0.0=[abi_x86_64(-)]
    net-libs/webkit-gtk-2.44.1 requires >=media-libs/harfbuzz-1.4.2:0/6.0.0=[icu(+)]
    net-libs/webkit-gtk-2.44.1-r410 requires >=media-libs/harfbuzz-1.4.2:0/6.0.0=[icu(+)]
    net-libs/webkit-gtk-2.44.1-r600 requires >=media-libs/harfbuzz-1.4.2:0/6.0.0=[icu(+)]
    x11-drivers/nvidia-drivers-550.78 requires media-libs/harfbuzz:0/6.0.0=
    x11-libs/gtk+-3.24.41 requires >=media-libs/harfbuzz-2.2.0:0/6.0.0=, >=media-libs/harfbuzz-2.2.0:=
    x11-libs/pango-1.52.1 requires >=media-libs/harfbuzz-2.6.0:0/6.0.0=[glib(+),introspection,truetype(+),abi_x86_64(-)], >=media-libs/harfbuzz-2.6.0:=[glib(+),introspection,truetype(+),abi_x86_64(-)]
    x11-wm/mutter-45.2-r1 requires >=media-libs/harfbuzz-2.6.0:0/6.0.0=

  media-libs/libcanberra-0.30-r8 pulled in by:
    media-libs/gsound-1.0.3 requires media-libs/libcanberra
    media-libs/libcanberra-gtk3-0.30 requires ~media-libs/libcanberra-0.30[abi_x86_64(-)]
    media-video/pipewire-1.0.5 requires media-libs/libcanberra
    x11-wm/mutter-45.2-r1 requires >=media-libs/libcanberra-0.26

  media-sound/pulseaudio-16.1 pulled in by:
    media-video/mplayer-1.5_p20230618 requires media-sound/pulseaudio

  x11-base/xorg-drivers-21.1-r2 pulled in by:
    x11-base/xorg-server-21.1.13 requires >=x11-base/xorg-drivers-21.1

  x11-drivers/nvidia-drivers-550.78 pulled in by:
    x11-base/xorg-drivers-21.1-r2 requires x11-drivers/nvidia-drivers

>>> No packages selected for removal by depclean
Packages installed:   1206
Packages in world:    54
Packages in system:   49
Required packages:    1206
Number to remove:     0