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authorjoerg <joerg@pkgsrc.org>2009-03-20 19:23:50 +0000
committerjoerg <joerg@pkgsrc.org>2009-03-20 19:23:50 +0000
commit2d1ba244e90207d03eef397a99aa4091baeec5b3 (patch)
tree647e974495c5d41703d41ca2e71c9b6063b9153a /devel/libslang
parent4bf0a20854ae9e07b7965977a713f2efee890976 (diff)
downloadpkgsrc-2d1ba244e90207d03eef397a99aa4091baeec5b3.tar.gz
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.
Diffstat (limited to 'devel/libslang')
-rw-r--r--devel/libslang/buildlink3.mk19
1 files changed, 6 insertions, 13 deletions
diff --git a/devel/libslang/buildlink3.mk b/devel/libslang/buildlink3.mk
index 1ebfeb9944c..835fa12495c 100644
--- a/devel/libslang/buildlink3.mk
+++ b/devel/libslang/buildlink3.mk
@@ -1,20 +1,13 @@
-# $NetBSD: buildlink3.mk,v 1.17 2009/02/25 12:38:36 rillig Exp $
+# $NetBSD: buildlink3.mk,v 1.18 2009/03/20 19:24:22 joerg Exp $
-BUILDLINK_DEPTH:= ${BUILDLINK_DEPTH}+
-LIBSLANG_BUILDLINK3_MK:= ${LIBSLANG_BUILDLINK3_MK}+
+BUILDLINK_TREE+= libslang
-.if !empty(BUILDLINK_DEPTH:M+)
-BUILDLINK_DEPENDS+= libslang
-.endif
+.if !defined(LIBSLANG_BUILDLINK3_MK)
+LIBSLANG_BUILDLINK3_MK:=
-BUILDLINK_PACKAGES:= ${BUILDLINK_PACKAGES:Nlibslang}
-BUILDLINK_PACKAGES+= libslang
-BUILDLINK_ORDER:= ${BUILDLINK_ORDER} ${BUILDLINK_DEPTH}libslang
-
-.if !empty(LIBSLANG_BUILDLINK3_MK:M+)
BUILDLINK_API_DEPENDS.libslang+= libslang>=1.4.9nb1
BUILDLINK_ABI_DEPENDS.libslang+= libslang>=1.4.9nb4
BUILDLINK_PKGSRCDIR.libslang?= ../../devel/libslang
-.endif # LIBSLANG_BUILDLINK3_MK
+.endif # LIBSLANG_BUILDLINK3_MK
-BUILDLINK_DEPTH:= ${BUILDLINK_DEPTH:S/+$//}
+BUILDLINK_TREE+= -libslang