>>> Emerging : portage://games-simulation/simutrans-124.2.1-r1:run?{[]}

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

Calculating dependencies... done!

 └─step  1─┤ useflag portage://media-sound/fluidsynth-2.5.7-r1 (sdl)

 └─step  2─┤ download  portage://app-eselect/eselect-mpg123-0.1-r1
             │ download  portage://games-simulation/simutrans-124.2.1-r1
             │           └─ file ─┤ 5.21 Mb  	 simutrans-src-124-2-1.zip
             │                    │ 1.18 Mb  	 simutrans_language_pack-Base+texts-124.2.1.zip
             │ download  portage://media-libs/alsa-lib-1.2.16.1
             │           └─ file ─┤ 1.08 Mb  	 alsa-lib-1.2.16.1.tar.bz2
             │ download  portage://media-libs/alsa-topology-conf-1.2.5.1-r1
             │           └─ file ─┤ 11.42 Kb  	 alsa-topology-conf-1.2.5.1.tar.bz2
             │ download  portage://media-libs/alsa-ucm-conf-1.2.16.1
             │           └─ file ─┤ 82.32 Kb  	 alsa-ucm-conf-1.2.16.1.tar.bz2
             │ download  portage://media-libs/flac-1.5.0
             │           └─ file ─┤ 1.03 Mb  	 flac-1.5.0.tar.xz
             │ download  portage://media-libs/libogg-1.3.6
             │           └─ file ─┤ 429.64 Kb  	 libogg-1.3.6.tar.xz
             │ download  portage://media-libs/libsdl2-2.32.10
             │           └─ file ─┤ 7.28 Mb  	 SDL2-2.32.10.tar.gz
             │ download  portage://media-libs/libsdl3-3.4.18
             │           └─ file ─┤ 14.93 Mb  	 SDL3-3.4.18.tar.gz
             │ download  portage://media-libs/libsndfile-1.2.2-r2
             │           └─ file ─┤ 713.63 Kb  	 libsndfile-1.2.2.tar.xz
             │ download  portage://media-libs/libvorbis-1.3.7-r2
             │           └─ file ─┤ 1.15 Mb  	 libvorbis-1.3.7.tar.xz
             │ download  portage://media-libs/opus-1.6.1
             │           └─ file ─┤ 9.99 Mb  	 opus-1.6.1.tar.gz
             │ download  portage://media-sound/fluid-soundfont-3.1
             │           └─ file ─┤ 128.59 Mb  	 fluid-soundfont_3.1.tar.gz
             │ download  portage://media-sound/fluidsynth-2.5.7-r1
             │           └─ file ─┤ 2.02 Mb  	 fluidsynth-2.5.7.tar.gz
             │                    │ 56.49 Kb  	 gcem-012ae73c6d0a2cb09ffe86475f5c6fba3926e200.tar.gz
             │ download  portage://media-sound/lame-3.100-r3
             │           └─ file ─┤ 1.45 Mb  	 lame-3.100.tar.gz
             │ download  portage://media-sound/mpg123-base-1.33.7
             │           └─ file ─┤ 1.07 Mb  	 mpg123-1.33.7.tar.bz2
             │ download  portage://x11-libs/libXScrnSaver-1.2.5
             │           └─ file ─┤ 265.12 Kb  	 libXScrnSaver-1.2.5.tar.xz
             │ download  portage://x11-libs/libXcursor-1.2.3
             │           └─ file ─┤ 285.90 Kb  	 libXcursor-1.2.3.tar.xz
             │ download  portage://x11-libs/libXtst-1.2.5
             │           └─ file ─┤ 284.91 Kb  	 libXtst-1.2.5.tar.xz

Total: 20 actions (1 useflag, 19 downloads), grouped into 2 steps.
       177.05 Mb to be downloaded.


>>> Assumptions taken during proving & planning:

  USE flag change (1 package):
  Add to /etc/portage/package.use:
    media-sound/fluidsynth sdl