make libtelnet (and telnet, telnetd) use libkrb when required

kerberos5/lib/libtelnet/Makefile

@@ -8,6 +8,11 @@ NOPIC=		yes
 
 SRCS=		genget.c getent.c misc.c encrypt.c auth.c \
 		enc_des.c sra.c pk.c
+.if defined(MAKE_KERBEROS4)
+SRCS+=		kerberos.c
+CFLAGS+=	-DKRB4 -I${KRB4DIR}/lib/krb
+.endif
+
 #SRCS+=		kerberos5.c
 
 CFLAGS+=	-DHAS_CGETENT -DENCRYPTION -DDES_ENCRYPTION -DAUTHENTICATION \

kerberos5/libexec/telnetd/Makefile

@@ -13,9 +13,17 @@ CFLAGS+=	-DLINEMODE -DUSE_TERMIO -DDIAGNOSTICS -DOLD_ENVIRON \
 SRCS=		global.c slc.c state.c sys_term.c telnetd.c \
 		termstat.c utility.c authenc.c
 
-DPADD=		${LIBUTIL} ${LIBTERMCAP} ${LIBTELNET} ${LIBMP} ${LIBCRYPTO} \
+DPADD=
+LDADD=
+
+.if defined(MAKE_KERBEROS4)
+DPADD+=		${LIBKRB} ${LIBCOM_ERR}
+LDADD+=		-lkrb -lcom_err
+.endif
+
+DPADD+=		${LIBUTIL} ${LIBTERMCAP} ${LIBTELNET} ${LIBMP} ${LIBCRYPTO} \
 		${LIBCRYPT} ${LIBPAM}
-LDADD=		-lutil -ltermcap ${LIBTELNET} -lmp -lcrypto \
+LDADD+=		-lutil -ltermcap ${LIBTELNET} -lmp -lcrypto \
 		-lcrypt ${MINUSLPAM}
 
 .include <bsd.prog.mk>

kerberos5/usr.bin/telnet/Makefile

@@ -5,14 +5,27 @@ PROG=		telnet
 CFLAGS+=	-DKLUDGELINEMODE -DUSE_TERMIO -DENV_HACK -DOPIE \
 		-DENCRYPTION -DAUTHENTICATION -DIPSEC -DINET6 \
 		-I${TELNETDIR}
+
+.if defined(MAKE_KERBEROS4)
+CFLAGS+=	-DKRB4
+.endif
+
 #CFLAGS+=	-DKRB5
 
 SRCS=		authenc.c commands.c main.c network.c ring.c sys_bsd.c \
 		telnet.c terminal.c tn3270.c utilities.c
 
-DPADD=		${LIBTERMCAP} ${LIBTELNET} ${LIBMP} ${LIBCRYPTO} ${LIBCRYPT} \
+DPADD=
+LDADD=
+
+.if defined(MAKE_KERBEROS4)
+DPADD+=		${LIBKRB} ${LIBCOM_ERR}
+LDADD+=		-lkrb -lcom_err
+.endif
+
+DPADD+=		${LIBTERMCAP} ${LIBTELNET} ${LIBMP} ${LIBCRYPTO} ${LIBCRYPT} \
 		${LIBIPSEC} ${LIBPAM}
-LDADD=		-ltermcap ${LIBTELNET} -lmp -lcrypto -lcrypt \
+LDADD+=		-ltermcap ${LIBTELNET} -lmp -lcrypto -lcrypt \
 		-lipsec ${MINUSLPAM}
 
 .include <bsd.prog.mk>