Created attachment 644030 [details] config.log Issue affects both arpack-3.4.0 and arpack-3.5.0. Issue is present when compiling using GCC 9 but not when using GCC 10.
Created attachment 644032 [details] build.log
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=cfbb89ed506d70f133c0f233291a27b8fbe7def8 commit cfbb89ed506d70f133c0f233291a27b8fbe7def8 Author: David Seifert <soap@gentoo.org> AuthorDate: 2020-06-14 22:13:31 +0000 Commit: David Seifert <soap@gentoo.org> CommitDate: 2020-06-14 22:13:31 +0000 sci-libs/arpack: Conditionally add -fallow-argument-mismatch Closes: https://bugs.gentoo.org/727592 Package-Manager: Portage-2.3.100, Repoman-2.3.22 Signed-off-by: David Seifert <soap@gentoo.org> sci-libs/arpack/arpack-3.4.0.ebuild | 4 +++- sci-libs/arpack/arpack-3.5.0.ebuild | 4 +++- 2 files changed, 6 insertions(+), 2 deletions(-)