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File: [cvs.NetBSD.org] / pkgsrc / devel / exempi / buildlink3.mk (download)

Revision 1.2, Fri Mar 20 19:24:12 2009 UTC (10 years, 8 months ago) by joerg
Branch: MAIN
CVS Tags: pkgsrc-2011Q3-base, pkgsrc-2011Q3, pkgsrc-2011Q2-base, pkgsrc-2011Q2, pkgsrc-2011Q1-base, pkgsrc-2011Q1, pkgsrc-2010Q4-base, pkgsrc-2010Q4, pkgsrc-2010Q3-base, pkgsrc-2010Q3, pkgsrc-2010Q2-base, pkgsrc-2010Q2, pkgsrc-2010Q1-base, pkgsrc-2010Q1, pkgsrc-2009Q4-base, pkgsrc-2009Q4, pkgsrc-2009Q3-base, pkgsrc-2009Q3, pkgsrc-2009Q2-base, pkgsrc-2009Q2, pkgsrc-2009Q1-base, pkgsrc-2009Q1
Changes since 1.1: +6 -13 lines

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.

# $NetBSD: buildlink3.mk,v 1.2 2009/03/20 19:24:12 joerg Exp $

BUILDLINK_TREE+=	exempi

.if !defined(EXEMPI_BUILDLINK3_MK)
EXEMPI_BUILDLINK3_MK:=

BUILDLINK_API_DEPENDS.exempi+=	exempi>=1.99.9
BUILDLINK_PKGSRCDIR.exempi?=	../../devel/exempi

.include "../../textproc/expat/buildlink3.mk"
.endif # EXEMPI_BUILDLINK3_MK

BUILDLINK_TREE+=	-exempi