2d1ba244e9
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.
16 lines
408 B
Makefile
16 lines
408 B
Makefile
# $NetBSD: buildlink3.mk,v 1.3 2009/03/20 19:24:24 joerg Exp $
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.include "../../editors/emacs/modules.mk"
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BUILDLINK_TREE+= mell
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.if !defined(MELL_BUILDLINK3_MK)
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MELL_BUILDLINK3_MK:=
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BUILDLINK_API_DEPENDS.mell+= ${EMACS_PKGNAME_PREFIX}mell>=1.0.0
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BUILDLINK_PKGSRCDIR.mell?= ../../devel/mell
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BUILDLINK_CONTENTS_FILTER.mell= ${EGREP} '.*\.el$$|.*\.elc$$'
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.endif # MELL_BUILDLINK3_MK
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BUILDLINK_TREE+= -mell
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