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

Calculating dependencies ... done!
Dependency resolution took 1.21 s (backtrack: 0/20).

[ebuild  N     ] dev-libs/libutf8proc-2.12.0:0/2.12.0::gentoo  USE="-cjk -static-libs -test" 200 KiB
[ebuild  N     ] dev-build/b2-5.5.3::gentoo  USE="-examples" 1198 KiB
[ebuild  N     ] acct-group/clamav-0-r3::gentoo  0 KiB
[ebuild  N     ] dev-libs/rlog-1.4::gentoo  USE="-valgrind" 626 KiB
[ebuild  N     ] dev-libs/check-0.15.2-r2::gentoo  USE="-doc -subunit -test" 299 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-libs/poco-1.15.3:0/123::gentoo  USE="avahi crypt data mongodb net pagecompiler sqlite util xml zip -7z -activerecord -cppparser -examples -iodbc -mariadb -mysql -odbc -pdf -pocodoc -postgres -prometheus -test" 11119 KiB
[ebuild  N     ] acct-user/clamav-0-r3::gentoo  0 KiB
[ebuild  N     ] app-antivirus/clamav-1.5.4:0/sts::gentoo  USE="clamapp system-mspack -clamonacc -debug -doc -experimental -libclamav-only -milter -rar (-selinux) (-systemd) -test" 32026 KiB
[ebuild  N     ] sys-fs/clamfs-1.3.0::gentoo  225 KiB

Total: 10 packages (10 new), Size of downloads: 245475 KiB