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

Calculating dependencies ... done!
Dependency resolution took 1.30 s (backtrack: 0/20).

[ebuild  N     ] media-libs/libogg-1.3.6::gentoo  USE="-static-libs" 430 KiB
[ebuild  N     ] media-sound/fluid-soundfont-3.1::gentoo  USE="-timidity" 131676 KiB
[ebuild  N     ] media-libs/alsa-topology-conf-1.2.5.1-r1::gentoo  USE="-verify-sig" 12 KiB
[ebuild  N     ] media-libs/alsa-ucm-conf-1.2.16.1::gentoo  USE="-verify-sig" 83 KiB
[ebuild  N     ] media-libs/alsa-lib-1.2.16.1::gentoo  USE="python -debug -doc -verify-sig" PYTHON_SINGLE_TARGET="python3_14 -python3_12 -python3_13 (-python3_15)" 1104 KiB
[ebuild  N     ] dev-libs/jansson-2.15.1:0/4::gentoo  USE="-doc -static-libs" 478 KiB
[ebuild  N     ] media-libs/opus-1.6.1::gentoo  USE="-custom-modes -debug -deep-plc -doc -dred -hardened -osce -static-libs -test" CPU_FLAGS_X86="sse" 10228 KiB
[ebuild  N     ] app-eselect/eselect-mpg123-0.1-r1::gentoo  0 KiB
[ebuild  N     ] media-libs/plutovg-1.0.0::gentoo  224 KiB
[ebuild  N     ] media-sound/mpg123-base-1.33.7::gentoo  USE="alsa ipv6 (-coreaudio) -int-quality -jack -nas -oss -portaudio -pulseaudio -sdl -verify-sig" CPU_FLAGS_X86="sse (-3dnow) (-3dnowext) (-mmx)" 1100 KiB
[ebuild  N     ] media-libs/libvorbis-1.3.7-r2::gentoo  USE="-static-libs -test" 1176 KiB
[ebuild  N     ] media-libs/flac-1.5.0:0/11-14::gentoo  USE="cxx -debug -ogg -static-libs" CPU_FLAGS_X86="avx avx2" 1054 KiB
[ebuild  N     ] media-sound/lame-3.100-r3::gentoo  USE="frontend -debug -mp3rtp -sndfile -static-libs" CPU_FLAGS_X86="(-mmx)" 1489 KiB
[ebuild  N     ] media-libs/plutosvg-0.0.6::gentoo  USE="freetype" 113 KiB
[ebuild  N     ] x11-libs/libXScrnSaver-1.2.5::gentoo  USE="-doc" 266 KiB
[ebuild  N     ] x11-libs/libXcursor-1.2.3::gentoo  USE="-doc" 286 KiB
[ebuild  N     ] x11-libs/libXtst-1.2.5::gentoo  USE="-doc" 285 KiB
[ebuild  N     ] media-libs/libsdl3-3.4.18::gentoo  USE="X alsa dbus opengl (-aqua) -bidi -doc -ibus -io-uring -jack -kms -oss -pipewire -pulseaudio -sndio -test -udev -usb -vulkan -wayland" CPU_FLAGS_X86="avx avx2 avx512f mmx sse sse2 sse3 sse4_1 sse4_2" 15285 KiB
[ebuild  N     ] media-libs/libsndfile-1.2.2-r2::gentoo  USE="alsa sqlite -minimal -test" 714 KiB
[ebuild  N     ] media-libs/sdl3-ttf-3.2.2::gentoo  USE="X harfbuzz plutosvg -static-libs" 1536 KiB
[ebuild  N     ] media-libs/sdl3-image-3.4.8::gentoo  USE="gif jpeg png tiff -avif -jpegxl -samples -static-libs -stb -test -webp" 8472 KiB
[ebuild  N     ] media-sound/fluidsynth-2.5.7-r1:0/3::gentoo  USE="alsa dbus ipv6 openmp readline sndfile threads -debug -doc -jack -ladspa -oss -pipewire -portaudio -pulseaudio -sdl (-systemd)" 2124 KiB
[ebuild  N     ] media-libs/sdl3-mixer-3.2.4::gentoo  USE="fluidsynth libvorbis midi mp3 vorbis wav -drlibs -flac -gme -mod -opus -playtools -timidity -tremor -wavpack -xmp" 5079 KiB
[ebuild  N     ] games-strategy/freeciv-3.2.6::gentoo  USE="json nls readline sdl3 server sound system-lua -dedicated -gtk3 -gtk4 -mapimg -modpack -qt6 -rule-editor -svg -web-server" LUA_SINGLE_TARGET="lua5-4" 138984 KiB

Total: 24 packages (24 new), Size of downloads: 322188 KiB