Conditionalize wrap(3) use based on MK_TCP_WRAPPERS instead of

always building support into sendmail.

MFC after:	2 weeks

usr.sbin/sendmail/Makefile

@@ -38,7 +38,7 @@ NIS=	-DNIS
 MAPS=	-DMAP_REGEX -DDNSMAP
 
 CFLAGS+= -I${SMDIR} -I${SENDMAIL_DIR}/include -I.
-CFLAGS+= ${DBMDEF} ${NIS} -DTCPWRAPPERS ${MAPS}
+CFLAGS+= ${DBMDEF} ${NIS} ${MAPS}
 
 .if ${MK_INET6_SUPPORT} != "no"
 CFLAGS+= -DNETINET6
@@ -46,7 +46,7 @@ CFLAGS+= -DNETINET6
 
 WARNS?=	0
 
-LIBADD=	util wrap sm smutil
+LIBADD=	util sm smutil
 
 SRCS+=	sm_os.h
 CLEANFILES+=sm_os.h
@@ -57,6 +57,11 @@ CFLAGS+=	-DSTARTTLS -D_FFR_TLS_1
 LIBADD+=	ssl crypto
 .endif
 
+.if ${MK_TCP_WRAPPERS} != "no"
+CFLAGS+=	-DTCPWRAPPERS
+LIBADD+=	wrap
+.endif
+
 # User customizations to the sendmail build environment
 CFLAGS+=${SENDMAIL_CFLAGS}
 DPADD+=${SENDMAIL_DPADD}