AC_DEFINE([SYS_RDOMAIN_LINUX], [1], [Support routing domains using Linux VRF]), [], [ #ifdef HAVE_SYS_TYPES_H # include <sys/types.H> #endif ]) Should replace sys/types.H with sys/types.h in configure.ac, otherwise you can't enable vrf feature.
Fix applied. This will be in the forthcoming openssh-8.1 release commit 8729498a5d239980a91d32f031b34e8c58c52f62 (HEAD -> master, origin/master, origin/HEAD) Author: Damien Miller <djm@mindrot.org> Date: Wed Jul 10 09:43:19 2019 +1000 fix typo that prevented detection of Linux VRF Reported by hexiaowen AT huawei.com
close bugs that were resolved in OpenSSH 8.5 release cycle