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

Calculating dependencies ... done!
Dependency resolution took 1.06 s (backtrack: 0/20).

[ebuild  N     ] dev-build/b2-5.5.3::gentoo  USE="-examples" 1198 KiB
[ebuild  N     ] dev-util/colm-0.14.7-r4::gentoo  USE="-doc" 3038 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-util/ragel-7.0.4-r3::gentoo  USE="-doc" 1618 KiB
[ebuild  N     ] dev-libs/vectorscan-5.4.12:0/5::gentoo  CPU_FLAGS_X86="avx2 sse4_2" 20362 KiB

Total: 5 packages (5 new), Size of downloads: 225999 KiB