Signed-off-by: Michał Górny <mgo...@gentoo.org>
---
eclass/python-r1.eclass | 12 +++++++++---
1 file 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}}
--
2.35.1
