portage-ng --merge
>>> Emerging : portage://sci-libs/netcdf-cxx-4.3.1-r3:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ useflag portage://sci-libs/hdf5-2.2.0 (-threads)
│ useflag portage://sci-libs/netcdf-4.10.1-r1 (logging)
└─step 2─┤ download portage://dev-libs/libzip-1.12.1
│ └─ file ─┤ 794.32 Kb libzip-1.12.1.tar.xz
│ download portage://sci-libs/hdf5-2.2.0
│ └─ file ─┤ 40.18 Mb hdf5-2.2.0.tar.gz
│ download portage://sci-libs/netcdf-4.10.1-r1
│ └─ file ─┤ 12.74 Mb netcdf-c-4.10.1.tar.gz
│ download portage://sci-libs/netcdf-cxx-4.3.1-r3
│ └─ file ─┤ 584.31 Kb netcdf-cxx4-4.3.1.tar.gz
└─step 3─┤ install portage://dev-libs/libzip-1.12.1
│ └─ conf ─┤ USE = "bzip2 ssl -gnutls -lzma -test -tools -zstd"
│ │ SLOT = "0/5"
│ install portage://sci-libs/hdf5-2.2.0 (USE modified)
│ └─ conf ─┤ USE = "-threads zlib hl -cxx -debug -fortran -mpi -szip -test -unsupported"
│ │ SLOT = "0/320-cmake"
└─step 4─┤ run portage://dev-libs/libzip-1.12.1
│ run portage://sci-libs/hdf5-2.2.0 (USE modified)
└─step 5─┤ install portage://sci-libs/netcdf-4.10.1-r1 (USE modified)
│ └─ conf ─┤ USE = "bzip2 dap hdf5 -blosc -doc -examples -hdf logging -mpi -szip -test -zstd"
│ │ SLOT = "0/22"
└─step 6─┤ run portage://sci-libs/netcdf-4.10.1-r1 (USE modified)
└─step 7─┤ install portage://sci-libs/netcdf-cxx-4.3.1-r3
│ └─ conf ─┤ USE = "-examples"
│ │ SLOT = "0/1"
└─step 8─┤ run portage://sci-libs/netcdf-cxx-4.3.1-r3
Total: 14 actions (2 useflags, 4 downloads, 4 installs, 4 runs), grouped into 8 steps.
54.27 Mb to be downloaded.
>>> Assumptions taken during proving & planning:
USE flag change (2 packages):
Add to /etc/portage/package.use:
sci-libs/hdf5 -threads
sci-libs/netcdf logging