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

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

[ebuild  N     ] dev-libs/lzo-2.10:2::gentoo  USE="(split-usr) -examples -static-libs" 587 KiB
[ebuild  N     ] app-arch/mt-st-1.8::gentoo  USE="-test" 40 KiB
[ebuild  N     ] sys-block/mtx-1.3.12-r1::gentoo  230 KiB
[ebuild  N     ] acct-group/bacula-0-r3::gentoo  0 KiB
[ebuild  N     ] acct-user/bacula-0-r3::gentoo  0 KiB
[ebuild  N     ] app-backup/bacula-15.0.3-r3::gentoo  USE="X acl batch-insert ipv6 readline sqlite ssl -bacula-clientonly -bacula-nodir -bacula-nosd -examples -logwatch -mysql -postgres -qt6 (-selinux) -static -tcpd -vim-syntax" 6393 KiB

Total: 6 packages (6 new), Size of downloads: 7250 KiB