portage-ng --fetchonly
>>> Emerging : portage://sci-libs/vtk-9.5.2:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ useflag portage://dev-python/pillow-13.0.0 (webp)
│ useflag portage://sci-libs/hdf5-2.2.0 (-hl)
└─step 2─┤ download portage://app-arch/lz4-1.10.0-r1
│ └─ file ─┤ 378.04 Kb lz4-1.10.0.tar.gz
│ download portage://app-text/docbook-xml-dtd-4.3-r2
│ └─ file ─┤ 81.90 Kb docbook-xml-4.3.zip
│ download portage://dev-cpp/cli11-2.7.2
│ └─ file ─┤ 1.38 Mb cli11-2.7.2.tar.gz
│ download portage://dev-cpp/nlohmann_json-3.12.0-r1
│ └─ file ─┤ 9.23 Mb nlohmann_json-3.12.0.tar.gz
│ download portage://dev-libs/double-conversion-3.4.0
│ └─ file ─┤ 6.71 Mb double-conversion-3.4.0.tar.gz
│ download portage://dev-libs/libzip-1.12.1
│ └─ file ─┤ 794.32 Kb libzip-1.12.1.tar.xz
│ download portage://dev-libs/pegtl-3.2.8-r2
│ └─ file ─┤ 243.72 Kb pegtl-3.2.8.tar.gz
│ download portage://dev-libs/pugixml-1.16
│ └─ file ─┤ 574.78 Kb pugixml-1.16.tar.gz
│ download portage://dev-libs/utfcpp-4.0.6
│ └─ file ─┤ 33.35 Kb utfcpp-4.0.6.tar.gz
│ download portage://dev-python/cairocffi-1.7.1-r1
│ └─ file ─┤ 86.03 Kb cairocffi-1.7.1.tar.gz
│ download portage://dev-python/cffi-2.1.1
│ └─ file ─┤ 518.37 Kb cffi-2.1.1.tar.gz
│ download portage://dev-python/contourpy-1.4.0
│ └─ file ─┤ 12.69 Mb contourpy-1.4.0.gh.tar.gz
│ download portage://dev-python/cppy-1.3.1
│ └─ file ─┤ 18.26 Kb cppy-1.3.1.tar.gz
│ download portage://dev-python/cycler-0.12.1
│ └─ file ─┤ 22.78 Kb cycler-0.12.1.gh.tar.gz
│ download portage://dev-python/cython-3.3.0
│ └─ file ─┤ 3.55 Mb cython-3.3.0.tar.gz
│ download portage://dev-python/editables-0.6
│ └─ file ─┤ 18.28 Kb editables-0.6.gh.tar.gz
│ download portage://dev-python/flit-core-4.1.0
│ └─ file ─┤ 53.40 Kb flit_core-4.1.0.tar.gz
│ download portage://dev-python/fonttools-4.67.0
│ └─ file ─┤ 3.99 Mb fonttools-4.67.0.gh.tar.gz
│ download portage://dev-python/gpep517-23
│ └─ file ─┤ 30.63 Kb gpep517-23.gh.tar.gz
│ download portage://dev-python/hatch-vcs-0.5.0
│ └─ file ─┤ 11.01 Kb hatch-vcs-0.5.0.gh.tar.gz
│ download portage://dev-python/hatchling-1.32.4
│ └─ file ─┤ 5.12 Mb hatch-hatchling-v1.32.4.gh.tar.gz
│ download portage://dev-python/installer-1.1.0
│ └─ file ─┤ 453.58 Kb installer-1.1.0-py3-none-any.whl
│ │ 469.98 Kb installer-1.1.0.tar.gz
│ download portage://dev-python/jaraco-context-6.1.2
│ └─ file ─┤ 16.41 Kb jaraco_context-6.1.2.tar.gz
│ download portage://dev-python/jaraco-functools-4.6.0
│ └─ file ─┤ 20.35 Kb jaraco_functools-4.6.0.tar.gz
│ download portage://dev-python/jaraco-text-4.3.0
│ └─ file ─┤ 20.19 Kb jaraco_text-4.3.0.tar.gz
│ download portage://dev-python/kiwisolver-1.5.1
│ └─ file ─┤ 95.91 Kb kiwi-1.5.1.gh.tar.gz
│ download portage://dev-python/matplotlib-3.11.2
│ └─ file ─┤ 31.15 Mb matplotlib-3.11.2.tar.gz
│ download portage://dev-python/meson-python-0.22.1
│ └─ file ─┤ 110.78 Kb meson-python-0.22.1.gh.tar.gz
│ download portage://dev-python/more-itertools-11.2.1
│ └─ file ─┤ 150.52 Kb more_itertools-11.2.1.tar.gz
│ download portage://dev-python/numpy-2.5.4
│ └─ file ─┤ 19.90 Mb numpy-2.5.4.tar.gz
│ download portage://dev-python/olefile-0.47
│ └─ file ─┤ 99.72 Kb olefile-0.47.gh.tar.gz
│ download portage://dev-python/packaging-26.3
│ └─ file ─┤ 306.07 Kb packaging-26.3.tar.gz
│ download portage://dev-python/pathspec-1.1.1
│ └─ file ─┤ 132.01 Kb pathspec-1.1.1.tar.gz
│ download portage://dev-python/pillow-13.0.0
│ └─ file ─┤ 44.97 Mb pillow-13.0.0.gh.tar.gz
│ download portage://dev-python/platformdirs-4.13.5
│ └─ file ─┤ 60.90 Kb platformdirs-4.13.5.tar.gz
│ download portage://dev-python/pluggy-1.7.0
│ └─ file ─┤ 120.41 Kb pluggy-1.7.0.tar.gz
│ download portage://dev-python/ply-3.11-r2
│ └─ file ─┤ 3.74 Kb ply-3.11-py3.12-assert.patch.xz
│ │ 155.40 Kb ply-3.11.tar.gz
│ download portage://dev-python/pybind11-3.1.0
│ └─ file ─┤ 961.62 Kb pybind11-3.1.0.gh.tar.gz
│ download portage://dev-python/pycparser-3.11
│ └─ file ─┤ 111.13 Kb pycparser-3.11.tar.gz
│ download portage://dev-python/pyparsing-3.3.3
│ └─ file ─┤ 1.00 Mb pyparsing-3.3.3.tar.gz
│ download portage://dev-python/pyproject-metadata-0.12.1
│ └─ file ─┤ 47.32 Kb pyproject_metadata-0.12.1.tar.gz
│ download portage://dev-python/python-dateutil-2.9.0_p0
│ └─ file ─┤ 334.41 Kb python-dateutil-2.9.0.post0.tar.gz
│ download portage://dev-python/pytz-2026.5
│ └─ file ─┤ 311.11 Kb pytz-2026.5.tar.gz
│ download portage://dev-python/scikit-build-core-1.1.1
│ └─ file ─┤ 504.09 Kb scikit_build_core-1.1.1.tar.gz
│ download portage://dev-python/setuptools-84.0.0
│ └─ file ─┤ 1.11 Mb setuptools-84.0.0.tar.gz
│ download portage://dev-python/setuptools-scm-10.3.4
│ └─ file ─┤ 76.57 Kb setuptools_scm-10.3.4.tar.gz
│ download portage://dev-python/six-1.17.0
│ └─ file ─┤ 33.23 Kb six-1.17.0.tar.gz
│ download portage://dev-python/tomlkit-0.15.2
│ └─ file ─┤ 186.06 Kb tomlkit-0.15.2.tar.gz
│ download portage://dev-python/trove-classifiers-2026.9.21.13
│ └─ file ─┤ 16.68 Kb trove_classifiers-2026.9.21.13.tar.gz
│ download portage://dev-python/vcs-versioning-2.6.0
│ └─ file ─┤ 162.89 Kb vcs_versioning-2.6.0.tar.gz
│ download portage://dev-python/wheel-0.48.0
│ └─ file ─┤ 64.91 Kb wheel-0.48.0.tar.gz
│ download portage://dev-python/xcffib-1.13.0
│ └─ file ─┤ 145.78 Kb xcffib-1.13.0.tar.gz
│ download portage://media-fonts/stix-fonts-2.11
│ └─ file ─┤ 27.33 Kb stix-fonts-2.11-FONTLOG.txt
│ │ 965.06 Kb stix-fonts-2.11-STIXTwoMath-Regular.pdf
│ │ 362.70 Kb stix-fonts-2.11-STIXTwoText-Regular.pdf
│ │ 2.05 Mb stix-fonts-2.11-otf.zip
│ download portage://media-gfx/imagemagick-7.1.2.32
│ └─ file ─┤ 9.71 Mb ImageMagick-7.1.2-32.tar.xz
│ download portage://media-libs/giflib-6.1.3
│ └─ file ─┤ 459.55 Kb giflib-6.1.3.tar.gz
│ download portage://media-libs/libharu-2.4.6
│ └─ file ─┤ 1.35 Mb libharu-2.4.6.tar.gz
│ download portage://media-libs/libogg-1.3.6
│ └─ file ─┤ 429.64 Kb libogg-1.3.6.tar.xz
│ download portage://media-libs/libtheora-1.2.0-r1
│ └─ file ─┤ 2.08 Kb libtheora-1.2.0-armenc.c
│ │ 22.67 Kb libtheora-1.2.0-armloop.s
│ │ 1.72 Mb libtheora-1.2.0.tar.xz
│ download portage://media-libs/libvorbis-1.3.7-r2
│ └─ file ─┤ 1.15 Mb libvorbis-1.3.7.tar.xz
│ download portage://media-libs/libwebp-1.6.0
│ └─ file ─┤ 4.10 Mb libwebp-1.6.0.tar.gz
│ download portage://media-libs/qhull-2020.2.8.1_alpha6
│ └─ file ─┤ 1.25 Mb qhull-8.1_alpha6.tar.gz
│ download portage://media-libs/raqm-0.10.5
│ └─ file ─┤ 212.10 Kb raqm-0.10.5.tar.xz
│ download portage://sci-libs/blas-lapack-aux-wrapper-6
│ └─ file ─┤ 9.31 Kb blas-lapack-aux-wrapper-6.tar.xz
│ download portage://sci-libs/cgnslib-4.5.1
│ └─ file ─┤ 1.99 Mb cgnslib-4.5.1.tar.gz
│ download portage://sci-libs/flexiblas-3.5.0
│ └─ file ─┤ 78.85 Mb flexiblas-release-v3.5.0.tar.bz2
│ download portage://sci-libs/hdf5-2.2.0
│ └─ file ─┤ 40.18 Mb hdf5-2.2.0.tar.gz
│ download portage://sci-libs/lapack-3.12.1-r2
│ └─ file ─┤ 7.69 Mb lapack-3.12.1.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/openblas-0.3.34
│ └─ file ─┤ 24.15 Mb OpenBLAS-0.3.34.tar.gz
│ download portage://sci-libs/proj-9.7.0
│ └─ file ─┤ 5.63 Mb proj-9.7.0.tar.gz
│ │ 755.26 Mb proj-data-1.23.tar.gz
│ download portage://sci-libs/vtk-9.5.2
│ └─ file ─┤ 47.86 Mb VTK-9.5.2.tar.gz
│ download portage://x11-libs/gdk-pixbuf-2.44.8
│ └─ file ─┤ 5.76 Mb gdk-pixbuf-2.44.8.tar.xz
│ download portage://x11-libs/gl2ps-1.4.2-r1
│ └─ file ─┤ 294.08 Kb gl2ps-1.4.2.tgz
│ download portage://x11-libs/libXcursor-1.2.3
│ └─ file ─┤ 285.90 Kb libXcursor-1.2.3.tar.xz
Total: 76 actions (2 useflags, 74 downloads), grouped into 2 steps.
1.13 Gb to be downloaded.
>>> Assumptions taken during proving & planning:
USE flag change (2 packages):
Add to /etc/portage/package.use:
dev-python/pillow webp
sci-libs/hdf5 -hl
>>> Blockers added during proving & planning:
[blocks B] !sci-libs/lapack (soft blocker, phase: install, required by: portage://sci-libs/blas-lapack-aux-wrapper-6)
[blocks B] !sci-libs/lapack (soft blocker, phase: run, required by: portage://sci-libs/blas-lapack-aux-wrapper-6)
[blocks B] !sci-libs/lapack (soft blocker, phase: run, required by: portage://sci-libs/flexiblas-3.5.0)
Error The proof for your build plan contains domain assumptions. Please verify:
>>> Domain assumptions
- REQUIRED_USE violation:
sci-libs/hdf5
Conflicting USE flags: [hl]
Required enabled by: [hl,zlib]
Required disabled by: [hl,mpi,szip]
(cannot satisfy both enable and disable for the same flag)
required by: portage://sci-libs/netcdf-4.10.1-r1
- REQUIRED_USE violation:
sci-libs/hdf5
Conflicting USE flags: [hl]
Required enabled by: [hl,zlib]
Required disabled by: [hl,mpi,szip,threads]
(cannot satisfy both enable and disable for the same flag)
required by: portage://sci-libs/netcdf-4.10.1-r1
>>> Bug report drafts (Gentoo Bugzilla)
---
Summary: portage://sci-libs/netcdf-4.10.1-r1: unsatisfied_constraints dependency on sci-libs/hdf5
Affected package: portage://sci-libs/netcdf-4.10.1-r1
Dependency: sci-libs/hdf5
Phases: [install,run]
Unsatisfiable constraint(s):
sci-libs/hdf5-:=
Observed:
portage-ng reports no available candidate satisfies the above constraint(s).
Available versions in repo set (sample, first 2 of 2): [1.14.6-r2,2.2.0]
Potential fix (suggestion):
Review dependency metadata in portage://sci-libs/netcdf-4.10.1-r1; constraint set: [constraint(none,,[any_same_slot])].