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.
21 lines
496 B
Makefile
21 lines
496 B
Makefile
# $NetBSD: buildlink3.mk,v 1.7 2009/03/20 19:24:53 joerg Exp $
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BUILDLINK_TREE+= tcl
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.if !defined(TCL_BUILDLINK3_MK)
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TCL_BUILDLINK3_MK:=
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BUILDLINK_API_DEPENDS.tcl+= tcl>=8.3.4<8.4
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BUILDLINK_PKGSRCDIR.tcl?= ../../lang/tcl83
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BUILDLINK_FILES.tcl= bin/tclsh*
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#
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# Make "-ltcl" resolve into "-ltcl83", so that we don't need to patch so
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# many Makefiles.
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#
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BUILDLINK_TRANSFORM+= l:tcl:tcl83
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TCLCONFIG_SH?= ${BUILDLINK_PREFIX.tcl}/lib/tclConfig.sh
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.endif # TCL_BUILDLINK3_MK
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BUILDLINK_TREE+= -tcl
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