Use BUILD_DEPENDS on ${PREFIX}/libexec/ctime instead of

.if !exists(${PREFIX}/...), this is not a very clean solution but
the previous version simply didn't work because ${PREFIX} wouldn't
be substituted at this point.

news/nntp/Makefile

@@ -3,17 +3,15 @@
 # Date created:		29 September 1994
 # Whom:			adam
 #
-# $Id: Makefile,v 1.4 1995/04/11 23:29:45 asami Exp $
+# $Id: Makefile,v 1.5 1995/04/18 14:37:45 adam Exp $
 #
 
 DISTNAME=	nntp-t5
 PKGNAME=	nntp-1.5.11.4
 CATEGORIES+=	news
 MASTER_SITES=	ftp://nic.sura.net/pub/news/software/nntp/
 
-.if !exists(${PREFIX}/include/dbz.h) || !exists(${PREFIX}/lib/libcnews.a)
-DEPENDS+=	${PORTSDIR}/news/cnews
-.endif
+BUILD_DEPENDS=	${PREFIX}/libexec/news/ctime:${PORTSDIR}/news/cnews
 
 pre-patch:
 	@cp ${WRKSRC}/conf.h.dist ${WRKSRC}/conf.h