USE=test emerge -1 =dev-python/stack_data-0.4.0 doesn't generate any .so Reproducible: Always Steps to Reproduce: >>> Emerging (1 of 1) dev-python/stack_data-0.4.0::gentoo * stack_data-0.4.0.tar.gz BLAKE2B SHA512 size ;-) ... [ ok ] >>> Unpacking source... >>> Unpacking stack_data-0.4.0.tar.gz to /var/tmp/portage/dev-python/stack_data-0.4.0/work >>> Source unpacked in /var/tmp/portage/dev-python/stack_data-0.4.0/work >>> Preparing source in /var/tmp/portage/dev-python/stack_data-0.4.0/work/stack_data-0.4.0 ... * Build system packages: * dev-python/gpep517 : 9 * dev-python/installer : 0.5.1-r1 * dev-python/setuptools : 65.3.0 * dev-python/setuptools_scm : 7.0.5 * dev-python/wheel : 0.37.1-r1 >>> Source prepared. >>> Configuring source in /var/tmp/portage/dev-python/stack_data-0.4.0/work/stack_data-0.4.0 ... >>> Source configured. >>> Compiling source in /var/tmp/portage/dev-python/stack_data-0.4.0/work/stack_data-0.4.0 ... * python3_9: running distutils-r1_run_phase distutils-r1_python_compile * Building the wheel for stack_data-0.4.0 via setuptools.build_meta gpep517 build-wheel --backend setuptools.build_meta --output-fd 3 --wheel-dir /var/tmp/portage/dev-python/stack_data-0.4.0/work/stack_data-0.4.0-python3_9/wheel 2022-09-27 01:00:01,948 gpep517 INFO Building wheel via backend setuptools.build_meta running bdist_wheel running build running build_py creating build creating build/lib creating build/lib/stack_data copying stack_data/version.py -> build/lib/stack_data copying stack_data/utils.py -> build/lib/stack_data copying stack_data/serializing.py -> build/lib/stack_data copying stack_data/formatting.py -> build/lib/stack_data copying stack_data/core.py -> build/lib/stack_data copying stack_data/__init__.py -> build/lib/stack_data running egg_info writing stack_data.egg-info/PKG-INFO writing dependency_links to stack_data.egg-info/dependency_links.txt writing requirements to stack_data.egg-info/requires.txt writing top-level names to stack_data.egg-info/top_level.txt 2022-09-27 01:00:02,353 setuptools_scm.file_finder_git ERROR listing git files failed - pretending there aren't any reading manifest file 'stack_data.egg-info/SOURCES.txt' reading manifest template 'MANIFEST.in' adding license file 'LICENSE.txt' writing manifest file 'stack_data.egg-info/SOURCES.txt' copying stack_data/py.typed -> build/lib/stack_data warning: build_py: byte-compiling is disabled, skipping. installing to build/bdist.linux-x86_64/wheel running install running install_lib creating build/bdist.linux-x86_64 creating build/bdist.linux-x86_64/wheel creating build/bdist.linux-x86_64/wheel/stack_data copying build/lib/stack_data/py.typed -> build/bdist.linux-x86_64/wheel/stack_data copying build/lib/stack_data/__init__.py -> build/bdist.linux-x86_64/wheel/stack_data copying build/lib/stack_data/core.py -> build/bdist.linux-x86_64/wheel/stack_data copying build/lib/stack_data/formatting.py -> build/bdist.linux-x86_64/wheel/stack_data copying build/lib/stack_data/serializing.py -> build/bdist.linux-x86_64/wheel/stack_data copying build/lib/stack_data/utils.py -> build/bdist.linux-x86_64/wheel/stack_data copying build/lib/stack_data/version.py -> build/bdist.linux-x86_64/wheel/stack_data warning: install_lib: byte-compiling is disabled, skipping. running install_egg_info Copying stack_data.egg-info to build/bdist.linux-x86_64/wheel/stack_data-0.4.0-py3.9.egg-info running install_scripts adding license file "LICENSE.txt" (matched pattern "LICEN[CS]E*") creating build/bdist.linux-x86_64/wheel/stack_data-0.4.0.dist-info/WHEEL creating '/var/tmp/portage/dev-python/stack_data-0.4.0/work/stack_data-0.4.0-python3_9/wheel/tmpdvk89y16/stack_data-0.4.0-py3-none-any.whl' and adding 'build/bdist.linux-x86_64/wheel' to it adding 'stack_data/__init__.py' adding 'stack_data/core.py' adding 'stack_data/formatting.py' adding 'stack_data/py.typed' adding 'stack_data/serializing.py' adding 'stack_data/utils.py' adding 'stack_data/version.py' adding 'stack_data-0.4.0.dist-info/LICENSE.txt' adding 'stack_data-0.4.0.dist-info/METADATA' adding 'stack_data-0.4.0.dist-info/WHEEL' adding 'stack_data-0.4.0.dist-info/top_level.txt' adding 'stack_data-0.4.0.dist-info/RECORD' removing build/bdist.linux-x86_64/wheel 2022-09-27 01:00:02,506 gpep517 INFO The backend produced /var/tmp/portage/dev-python/stack_data-0.4.0/work/stack_data-0.4.0-python3_9/wheel/stack_data-0.4.0-py3-none-any.whl * Installing stack_data-0.4.0-py3-none-any.whl to /var/tmp/portage/dev-python/stack_data-0.4.0/work/stack_data-0.4.0-python3_9/install gpep517 install-wheel --destdir=/var/tmp/portage/dev-python/stack_data-0.4.0/work/stack_data-0.4.0-python3_9/install --interpreter=/usr/bin/python3.9 --prefix=/usr --optimize=all /var/tmp/portage/dev-python/stack_data-0.4.0/work/stack_data-0.4.0-python3_9/wheel/stack_data-0.4.0-py3-none-any.whl 2022-09-27 01:00:02,749 gpep517 INFO Installing /var/tmp/portage/dev-python/stack_data-0.4.0/work/stack_data-0.4.0-python3_9/wheel/stack_data-0.4.0-py3-none-any.whl into /var/tmp/portage/dev-python/stack_data-0.4.0/work/stack_data-0.4.0-python3_9/install 2022-09-27 01:00:02,780 gpep517 INFO Installation complete >>> Source compiled. >>> Test phase [not enabled]: dev-python/stack_data-0.4.0 >>> Install dev-python/stack_data-0.4.0 into /var/tmp/portage/dev-python/stack_data-0.4.0/image * python3_9: running distutils-r1_run_phase distutils-r1_python_install * Using python3.9 in global scope * python3_9: running distutils-r1_run_phase distutils-r1_python_install_all >>> Completed installing dev-python/stack_data-0.4.0 into /var/tmp/portage/dev-python/stack_data-0.4.0/image * Final size of build directory: 452 KiB * Final size of installed tree: 304 KiB * Verifying compiled files for python3.9 >>> Installing (3 of 3) dev-python/stack_data-0.4.0::gentoo * GNU info directory index is up-to-date. * IMPORTANT: 115 config files in '/etc' need updating. * See the CONFIGURATION FILES and CONFIGURATION FILES UPDATE TOOLS * sections of the emerge man page to learn how to update config files. Actual Results: efil dev-python/stack_data /usr /usr/lib /usr/lib/python3.9 /usr/lib/python3.9/site-packages /usr/lib/python3.9/site-packages/stack_data /usr/lib/python3.9/site-packages/stack_data-0.4.0.dist-info /usr/lib/python3.9/site-packages/stack_data-0.4.0.dist-info/METADATA /usr/lib/python3.9/site-packages/stack_data-0.4.0.dist-info/RECORD /usr/lib/python3.9/site-packages/stack_data-0.4.0.dist-info/WHEEL /usr/lib/python3.9/site-packages/stack_data-0.4.0.dist-info/top_level.txt /usr/lib/python3.9/site-packages/stack_data/__init__.py /usr/lib/python3.9/site-packages/stack_data/__pycache__ /usr/lib/python3.9/site-packages/stack_data/__pycache__/__init__.cpython-39.opt-1.pyc /usr/lib/python3.9/site-packages/stack_data/__pycache__/__init__.cpython-39.opt-2.pyc /usr/lib/python3.9/site-packages/stack_data/__pycache__/__init__.cpython-39.pyc /usr/lib/python3.9/site-packages/stack_data/__pycache__/core.cpython-39.opt-1.pyc /usr/lib/python3.9/site-packages/stack_data/__pycache__/core.cpython-39.opt-2.pyc /usr/lib/python3.9/site-packages/stack_data/__pycache__/core.cpython-39.pyc /usr/lib/python3.9/site-packages/stack_data/__pycache__/formatting.cpython-39.opt-1.pyc /usr/lib/python3.9/site-packages/stack_data/__pycache__/formatting.cpython-39.opt-2.pyc /usr/lib/python3.9/site-packages/stack_data/__pycache__/formatting.cpython-39.pyc /usr/lib/python3.9/site-packages/stack_data/__pycache__/serializing.cpython-39.opt-1.pyc /usr/lib/python3.9/site-packages/stack_data/__pycache__/serializing.cpython-39.opt-2.pyc /usr/lib/python3.9/site-packages/stack_data/__pycache__/serializing.cpython-39.pyc /usr/lib/python3.9/site-packages/stack_data/__pycache__/utils.cpython-39.opt-1.pyc /usr/lib/python3.9/site-packages/stack_data/__pycache__/utils.cpython-39.opt-2.pyc /usr/lib/python3.9/site-packages/stack_data/__pycache__/utils.cpython-39.pyc /usr/lib/python3.9/site-packages/stack_data/__pycache__/version.cpython-39.opt-1.pyc /usr/lib/python3.9/site-packages/stack_data/__pycache__/version.cpython-39.opt-2.pyc /usr/lib/python3.9/site-packages/stack_data/__pycache__/version.cpython-39.pyc /usr/lib/python3.9/site-packages/stack_data/core.py /usr/lib/python3.9/site-packages/stack_data/formatting.py /usr/lib/python3.9/site-packages/stack_data/py.typed /usr/lib/python3.9/site-packages/stack_data/serializing.py /usr/lib/python3.9/site-packages/stack_data/utils.py /usr/lib/python3.9/site-packages/stack_data/version.py /usr/share /usr/share/doc /usr/share/doc/stack_data-0.4.0 /usr/share/doc/stack_data-0.4.0/README.md.lzma
USE=test does not control running tests. You want FEATURES=test.