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

Calculating dependencies ... done!
Dependency resolution took 1.11 s (backtrack: 0/20).

[ebuild  N     ] acct-group/munge-0-r2::gentoo  0 KiB
[ebuild  N     ] sys-cluster/ucx-1.19.0::gentoo  USE="openmp" 3312 KiB
[ebuild  N     ] acct-user/munge-0-r2::gentoo  0 KiB
[ebuild  N     ] x11-libs/libpciaccess-0.19::gentoo  USE="zlib -static-libs" 64 KiB
[ebuild  N     ] sys-apps/hwloc-2.12.2:0/15::gentoo  USE="X cairo cpuid pci -cuda -debug -doc -l0 -nvml -rocm (-selinux) -static-libs -svg -udev -valgrind -xml" VIDEO_CARDS="-nvidia" 5504 KiB
[ebuild  N     ] sys-auth/munge-0.5.18::gentoo  USE="-debug -gcrypt -static-libs" 456 KiB
[ebuild  N     ] sys-cluster/pmix-4.2.8::gentoo  USE="munge -debug -pmi" 4689 KiB

Total: 7 packages (7 new), Size of downloads: 14024 KiB