A per bug 774450 comment #2
Created attachment 689760 [details] pandas-1.2.3:20210307-111808.log.bz2 build.log
Thanks. It seems to the classical distutils parallel make issue.
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=d80e689979c64b32966f0729490f32d9bd80b6bd commit d80e689979c64b32966f0729490f32d9bd80b6bd Author: Michał Górny <mgorny@gentoo.org> AuthorDate: 2021-03-07 12:49:20 +0000 Commit: Michał Górny <mgorny@gentoo.org> CommitDate: 2021-03-07 12:53:35 +0000 dev-python/pandas: Force -j1 to avoid miscompilation Closes: https://bugs.gentoo.org/774654 Signed-off-by: Michał Górny <mgorny@gentoo.org> dev-python/pandas/{pandas-1.1.5.ebuild => pandas-1.1.5-r1.ebuild} | 4 ++++ dev-python/pandas/{pandas-1.2.1.ebuild => pandas-1.2.1-r1.ebuild} | 4 ++++ dev-python/pandas/{pandas-1.2.2.ebuild => pandas-1.2.2-r1.ebuild} | 4 ++++ dev-python/pandas/{pandas-1.2.3.ebuild => pandas-1.2.3-r1.ebuild} | 4 ++++ 4 files changed, 16 insertions(+)