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.
18 lines
569 B
Makefile
18 lines
569 B
Makefile
# $NetBSD: buildlink3.mk,v 1.16 2009/03/20 19:23:51 joerg Exp $
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BUILDLINK_TREE+= SDL_mixer
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.if !defined(SDL_MIXER_BUILDLINK3_MK)
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SDL_MIXER_BUILDLINK3_MK:=
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BUILDLINK_API_DEPENDS.SDL_mixer+= SDL_mixer>=1.2.5nb2
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BUILDLINK_ABI_DEPENDS.SDL_mixer+= SDL_mixer>=1.2.6nb5
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BUILDLINK_PKGSRCDIR.SDL_mixer?= ../../audio/SDL_mixer
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BUILDLINK_INCDIRS.SDL_mixer?= include/SDL
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.include "../../audio/libvorbis/buildlink3.mk"
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.include "../../multimedia/libogg/buildlink3.mk"
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.include "../../multimedia/smpeg/buildlink3.mk"
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.endif # SDL_MIXER_BUILDLINK3_MK
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BUILDLINK_TREE+= -SDL_mixer
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