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.
15 lines
434 B
Makefile
15 lines
434 B
Makefile
# $NetBSD: buildlink3.mk,v 1.8 2009/03/20 19:24:53 joerg Exp $
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BUILDLINK_TREE+= tcl-expect
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.if !defined(TCL_EXPECT_BUILDLINK3_MK)
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TCL_EXPECT_BUILDLINK3_MK:=
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BUILDLINK_API_DEPENDS.tcl-expect+= tcl-expect>=5.38.0nb1
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BUILDLINK_ABI_DEPENDS.tcl-expect+= tcl-expect>=5.38.0nb2
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BUILDLINK_PKGSRCDIR.tcl-expect?= ../../lang/tcl-expect
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.include "../../lang/tcl/buildlink3.mk"
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.endif # TCL_EXPECT_BUILDLINK3_MK
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BUILDLINK_TREE+= -tcl-expect
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