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.
25 lines
668 B
Makefile
25 lines
668 B
Makefile
# $NetBSD: buildlink3.mk,v 1.14 2009/03/20 19:24:49 joerg Exp $
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.include "../../mk/bsd.fast.prefs.mk"
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BUILDLINK_TREE+= gcc
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.if !defined(GCC_BUILDLINK3_MK)
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GCC_BUILDLINK3_MK:=
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BUILDLINK_API_DEPENDS.gcc+= gcc>=${_GCC_REQD}
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BUILDLINK_ABI_DEPENDS.gcc?= gcc>=2.95.3nb7
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BUILDLINK_PKGSRCDIR.gcc?= ../../lang/gcc
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BUILDLINK_LIBDIRS.gcc?= \
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${_GCC_PREFIX:S/^${BUILDLINK_PREFIX.gcc}\///}lib \
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${_GCC_ARCHDIR:S/^${BUILDLINK_PREFIX.gcc}\///}
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# Packages that link against shared libraries need a full dependency.
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. if defined(_USE_GCC_SHLIB)
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BUILDLINK_DEPMETHOD.gcc+= full
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. else
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BUILDLINK_DEPMETHOD.gcc?= build
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. endif
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.endif # GCC_BUILDLINK3_MK
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BUILDLINK_TREE+= -gcc
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