Patch to fix this port to build once this clang 15 warning is re-enabled available at https://reviews.freebsd.org/D39780. I've also submitted the fix upstream at https://github.com/logic/rblcheck/pull/2
^Triage: reporter is committer, assign accordingly. LGTM!
A commit in branch main references this bug: URL: https://cgit.FreeBSD.org/ports/commit/?id=17630bb688424ad9395302e28f01ede759e76509 commit 17630bb688424ad9395302e28f01ede759e76509 Author: John Baldwin <jhb@FreeBSD.org> AuthorDate: 2023-05-01 16:19:07 +0000 Commit: John Baldwin <jhb@FreeBSD.org> CommitDate: 2023-05-01 16:19:07 +0000 mail/rblcheck: Use a C89 function declaration for main. PR: 271070 Reviewed by: fernape Differential Revision: https://reviews.freebsd.org/D39780 mail/rblcheck/files/patch-rblcheck.c | 25 ++++++++++++++++++------- 1 file changed, 18 insertions(+), 7 deletions(-)