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| author |   Michał Górny <mgorny@gentoo.org> | 2022-02-04 18:43:52 +0100 |
|---|---|---|
| committer | Michał Górny <mgorny@gentoo.org> | 2022-02-09 09:43:50 +0100 |
| commit | 072aacf0f7de7dde594513182851e9f6b519ef26 (patch) | |
| tree | c63b30adc7e22abdf8fdf8250156632ea1bef4f8 /eclass | |
| parent | python-single-r1.eclass: Inline & simplify USE-deps in gen_cond_dep (diff) | |
| download | gentoo-072aacf0f7de7dde594513182851e9f6b519ef26.tar.gz gentoo-072aacf0f7de7dde594513182851e9f6b519ef26.tar.bz2 gentoo-072aacf0f7de7dde594513182851e9f6b519ef26.zip | |
python-r1.eclass: Improve comment for USE-dep generation
Signed-off-by: Michał Górny <mgorny@gentoo.org>
Diffstat (limited to 'eclass')
| -rw-r--r-- | eclass/python-r1.eclass | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/eclass/python-r1.eclass b/eclass/python-r1.eclass index 469c3014abfb..bb851e167617 100644 --- a/eclass/python-r1.eclass +++ b/eclass/python-r1.eclass @@ -393,9 +393,15 @@ python_gen_cond_dep() { _python_verify_patterns "${@}" for impl in "${_PYTHON_SUPPORTED_IMPLS[@]}"; do if _python_impl_matches "${impl}" "${@}"; then - # substitute ${PYTHON_USEDEP} if used - # (since python_gen_usedep() will not return ${PYTHON_USEDEP} - # the code is run at most once) + # substitute ${PYTHON_USEDEP} with USE-dep on *all* matching + # targets, if it is used. this ensures that Portage will + # report all missing USE flags simultaneously rather than + # requesting the user to enable them one by one. + # + # NB: the first call with replace all instances + # of ${PYTHON_USEDEP}, so the condition will be false + # on subsequent loop iterations and _python_gen_usedep() + # will run at most once. if [[ ${dep} == *'${PYTHON_USEDEP}'* ]]; then local usedep=$(_python_gen_usedep "${@}") dep=${dep//\$\{PYTHON_USEDEP\}/${usedep}} |