--- share/mk/src.libnames.mk.orig	2021-12-17 02:31:11.492798000 +0100
+++ share/mk/src.libnames.mk	2021-12-17 02:36:30.736989000 +0100
@@ -261,6 +261,9 @@
 # 2nd+ order consumers.  Auto-generating this would be better.
 _DP_80211=	sbuf bsdxml
 _DP_9p=		sbuf
+.if ${MK_CASPER} != "no"
+_DP_9p+=	casper cap_pwd cap_grp
+.endif
 # XXX: Not bootstrapped so uses host version on non-FreeBSD, so don't use a
 # FreeBSD-specific dependency list
 .if ${.MAKE.OS} == "FreeBSD" || !defined(BOOTSTRAPPING)
