Index: head/lib/libcasper/services/cap_dns/tests/Makefile
===================================================================
--- head/lib/libcasper/services/cap_dns/tests/Makefile	(revision 327582)
+++ head/lib/libcasper/services/cap_dns/tests/Makefile	(revision 327583)
@@ -1,15 +1,16 @@
 # $FreeBSD$
 
 .include <src.opts.mk>
 
 TAP_TESTS_C=	dns_test
 
 .if ${MK_CASPER} != "no"
 LIBADD+=	casper
 LIBADD+=	cap_dns
+CFLAGS+=-DWITH_CASPER
 .endif
 LIBADD+=	nv
 
 WARNS?=		3
 
 .include <bsd.test.mk>
Index: head/lib/libcasper/services/cap_grp/tests/Makefile
===================================================================
--- head/lib/libcasper/services/cap_grp/tests/Makefile	(revision 327582)
+++ head/lib/libcasper/services/cap_grp/tests/Makefile	(revision 327583)
@@ -1,15 +1,16 @@
 # $FreeBSD$
 
 .include <src.opts.mk>
 
 TAP_TESTS_C=	grp_test
 
 .if ${MK_CASPER} != "no"
 LIBADD+=	casper
 LIBADD+=	cap_grp
+CFLAGS+=-DWITH_CASPER
 .endif
 LIBADD+=	nv
 
 WARNS?=		3
 
 .include <bsd.test.mk>
Index: head/lib/libcasper/services/cap_pwd/tests/Makefile
===================================================================
--- head/lib/libcasper/services/cap_pwd/tests/Makefile	(revision 327582)
+++ head/lib/libcasper/services/cap_pwd/tests/Makefile	(revision 327583)
@@ -1,15 +1,16 @@
 # $FreeBSD$
 
 .include <src.opts.mk>
 
 TAP_TESTS_C=	pwd_test
 
 .if ${MK_CASPER} != "no"
 LIBADD+=	casper
 LIBADD+=	cap_pwd
+CFLAGS+=-DWITH_CASPER
 .endif
 LIBADD+=	nv
 
 WARNS?=		3
 
 .include <bsd.test.mk>
Index: head/lib/libcasper/services/cap_sysctl/tests/Makefile
===================================================================
--- head/lib/libcasper/services/cap_sysctl/tests/Makefile	(revision 327582)
+++ head/lib/libcasper/services/cap_sysctl/tests/Makefile	(revision 327583)
@@ -1,17 +1,18 @@
 # $FreeBSD$
 
 .include <src.opts.mk>
 
 TAP_TESTS_C=	sysctl_test
 
 .if ${MK_CASPER} != "no"
 LIBADD+=	casper
 LIBADD+=	cap_sysctl
+CFLAGS+=-DWITH_CASPER
 .endif
 LIBADD+=	nv
 
 WARNS?=		3
 
 TEST_METADATA.sysctl_test+=	required_user="root"
 
 .include <bsd.test.mk>