Honor MK_AT, MK_FTP, MK_MAIL, and MK_OPENSSH

svn path=/projects/building-blocks/; revision=275291

etc/pam.d/Makefile

@@ -5,16 +5,34 @@ NO_OBJ=
 .include <src.opts.mk>
 
 FILES=	README \
-	atrun \
 	cron \
-	ftpd \
-	imap \
 	login \
 	other \
-	passwd pop3 \
-	sshd su system \
+	passwd \
+	su \
+	system \
 	xdm
 
+LINKS=
+
+.if ${MK_AT} != "no"
+FILES+=	atrun
+.endif
+
+.if ${MK_FTP} != "no"
+FILES+=	ftpd
+LINKS+=	${FILESDIR}/ftpd ${FILESDIR}/ftp
+.endif
+
+.if ${MK_MAIL} != "no"
+FILES+=	imap
+FILES+=	pop3
+.endif
+
+.if ${MK_OPENSSH} != "no"
+FILES+=	sshd
+.endif
+
 .if ${MK_RCMDS} != "no"
 FILES+=	rsh
 .endif
@@ -26,6 +44,5 @@ FILES+=	telnetd
 FILESDIR=	/etc/pam.d
 FILESMODE=	644
 FILESMODE_README=	444
-LINKS=	${FILESDIR}/ftpd ${FILESDIR}/ftp
 
 .include <bsd.prog.mk>