From 405c61d80251d8e80401aed2264d4bede218cb22 Mon Sep 17 00:00:00 2001
From: joerg <joerg>
Date: Fri, 20 Mar 2009 19:23:50 +0000
Subject: Simply and speed up buildlink3.mk files and processing. This changes
 the buildlink3.mk files to use an include guard for the recursive include.
 The use of BUILDLINK_DEPTH, BUILDLINK_DEPENDS, BUILDLINK_PACKAGES and
 BUILDLINK_ORDER is handled by a single new variable BUILDLINK_TREE. Each
 buildlink3.mk file adds a pair of enter/exit marker, which can be used to
 reconstruct the tree and to determine first level includes. Avoiding := for
 large variables (BUILDLINK_ORDER) speeds up parse time as += has linear
 complexity. The include guard reduces system time by avoiding reading files
 over and over again. For complex packages this reduces both %user and %sys
 time to half of the former time.

---
 x11/xview-lib/buildlink3.mk | 19 ++++++-------------
 1 file changed, 6 insertions(+), 13 deletions(-)

(limited to 'x11/xview-lib')

diff --git a/x11/xview-lib/buildlink3.mk b/x11/xview-lib/buildlink3.mk
index 5af97e6b220..79a300645a5 100644
--- a/x11/xview-lib/buildlink3.mk
+++ b/x11/xview-lib/buildlink3.mk
@@ -1,22 +1,15 @@
-# $NetBSD: buildlink3.mk,v 1.8 2008/08/30 20:01:28 dholland Exp $
+# $NetBSD: buildlink3.mk,v 1.9 2009/03/20 19:25:55 joerg Exp $
 
-BUILDLINK_DEPTH:=		${BUILDLINK_DEPTH}+
-XVIEW_LIB_BUILDLINK3_MK:=	${XVIEW_LIB_BUILDLINK3_MK}+
+BUILDLINK_TREE+=	xview-lib
 
-.if !empty(BUILDLINK_DEPTH:M+)
-BUILDLINK_DEPENDS+=	xview-lib
-.endif
+.if !defined(XVIEW_LIB_BUILDLINK3_MK)
+XVIEW_LIB_BUILDLINK3_MK:=
 
-BUILDLINK_PACKAGES:=	${BUILDLINK_PACKAGES:Nxview-lib}
-BUILDLINK_PACKAGES+=	xview-lib
-BUILDLINK_ORDER:=	${BUILDLINK_ORDER} ${BUILDLINK_DEPTH}xview-lib
-
-.if !empty(XVIEW_LIB_BUILDLINK3_MK:M+)
 BUILDLINK_API_DEPENDS.xview-lib+=	xview-lib>=3.2.1
 BUILDLINK_ABI_DEPENDS.xview-lib?=	xview-lib>=3.2.1nb7
 BUILDLINK_PKGSRCDIR.xview-lib?=	../../x11/xview-lib
-.endif	# XVIEW_LIB_BUILDLINK3_MK
 
 .include "../../x11/libX11/buildlink3.mk"
+.endif # XVIEW_LIB_BUILDLINK3_MK
 
-BUILDLINK_DEPTH:=		${BUILDLINK_DEPTH:S/+$//}
+BUILDLINK_TREE+=	-xview-lib
-- 
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