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

Calculating dependencies ... done!
Dependency resolution took 1.30 s (backtrack: 0/20).

[ebuild  N     ] dev-build/b2-5.5.3::gentoo  USE="-examples" 1198 KiB
[ebuild  N     ] virtual/fortran-0-r1::gentoo  USE="openmp" 0 KiB
[ebuild  N     ] acct-group/munge-0-r2::gentoo  0 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     ] x11-libs/libpciaccess-0.19::gentoo  USE="zlib -static-libs" 64 KiB
[ebuild  N     ] sci-libs/openblas-0.3.34::gentoo  USE="openmp -cpudetection -index64 -pthread -relapack -test" 24734 KiB
[ebuild  N     ] acct-user/munge-0-r2::gentoo  0 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-6.1.0::gentoo  USE="munge -debug -pmi" 10552 KiB
[ebuild  N     ] dev-cpp/kokkos-5.1.1:0/5.1.1::gentoo  USE="openmp -cuda -test" 1751 KiB
[ebuild  N     ] sys-cluster/prrte-4.1.0-r1:0/4::gentoo  10247 KiB
[ebuild  N     ] sys-cluster/openmpi-5.0.9-r1::gentoo  USE="-cma -cuda -fortran -peruse -romio -valgrind" OPENMPI_FABRICS="-knem -ofed" OPENMPI_RM="-pbs (-slurm)" 29650 KiB
[ebuild  N     ] virtual/mpi-2.0-r8::gentoo  USE="threads -cxx -fortran -nullmpi -romio" 0 KiB
[ebuild  N     ] sci-libs/lapack-3.12.1-r2::gentoo  USE="deprecated flexiblas lapacke -doc -eselect-ldso -index64 -test" 7879 KiB
[ebuild  N     ] sci-libs/flexiblas-3.5.0::gentoo  USE="openblas openmp system-blas -blis -index64 -mkl -tbb -test" 80741 KiB
[ebuild  N     ] sci-libs/blas-lapack-aux-wrapper-6::gentoo  USE="-index64 -test" 10 KiB
[ebuild  N     ] virtual/blas-3.8-r1::gentoo  USE="flexiblas -eselect-ldso -index64" 0 KiB
[ebuild  N     ] virtual/lapack-3.10-r1::gentoo  USE="flexiblas -eselect-ldso -index64" 0 KiB
[ebuild  N     ] sci-libs/trilinos-16.2.2:0/16.2.2::gentoo  USE="X openmp threads zlib -adolc -all-packages -arprec -clp -cuda -eigen -glpk -gtest -hdf5 -hwloc -hypre -int64 -matio -metis -mkl -mumps -netcdf -petsc -qd -scalapack -scotch -sparse -superlu -taucs -tbb -test -tvmet -yaml" 193976 KiB

Total: 20 packages (20 new), Size of downloads: 566540 KiB