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

Calculating dependencies ... done!
Dependency resolution took 1.13 s (backtrack: 0/20).

[ebuild  N     ] media-libs/giflib-6.1.3:0/7::gentoo  USE="-doc -static-libs" 460 KiB
[ebuild  N     ] dev-build/b2-5.5.3::gentoo  USE="-examples" 1198 KiB
[ebuild  N     ] dev-libs/boost-1.91.0-r2:0/1.91.0::gentoo  USE="bzip2 context nls python stacktrace zlib -debug -doc -icu -lzma -mpi -numpy -test -test-full -tools -zstd" PYTHON_TARGETS="python3_14 -python3_12 -python3_13" 199785 KiB
[ebuild  N     ] dev-games/openscenegraph-3.6.5-r118:0/161::gentoo  USE="gif jpeg png tiff truetype zlib -collada -curl -debug -dicom -doc -egl -examples (-ffmpeg) -fltk (-fox) -gdal -glut -gstreamer -lua -openexr -openinventor -osgapps -pdf -sdl -sdl2 -svg -vnc -wxwidgets -xrandr" LUA_SINGLE_TARGET="lua5-1" 5646 KiB

Total: 4 packages (4 new), Size of downloads: 207087 KiB