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.
41 lines
1.3 KiB
Makefile
41 lines
1.3 KiB
Makefile
# $NetBSD: buildlink3.mk,v 1.31 2009/03/20 19:24:28 joerg Exp $
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BUILDLINK_TREE+= readline
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.if !defined(READLINE_BUILDLINK3_MK)
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READLINE_BUILDLINK3_MK:=
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BUILDLINK_API_DEPENDS.readline+= readline>=2.2
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BUILDLINK_ABI_DEPENDS.readline+= readline>=5.0
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BUILDLINK_PKGSRCDIR.readline?= ../../devel/readline
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BUILDLINK_FILES.readline+= include/history.h
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BUILDLINK_FILES.readline+= include/readline.h
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BUILDLINK_FNAME_TRANSFORM.readline+= \
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-e "s|include/history\.h|include/readline/history.h|g" \
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-e "s|include/readline\.h|include/readline/readline.h|g"
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# Many GNU configure scripts don't check for the correct terminal library
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# when testing for -lreadline. If BROKEN_READLINE_DETECTION is set to
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# "yes", then automatically add the right one.
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#
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. include "../../mk/bsd.fast.prefs.mk"
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BROKEN_READLINE_DETECTION?= no
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. if !empty(BROKEN_READLINE_DETECTION:M[yY][eE][sS])
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BUILDLINK_TRANSFORM+= l:readline:readline:${BUILDLINK_LIBNAME.termcap}
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. endif
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CHECK_BUILTIN.readline:= yes
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.include "../../devel/readline/builtin.mk"
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CHECK_BUILTIN.readline:= no
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# A built-in readline is always going to use a built-in termcap.
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.if !empty(USE_BUILTIN.readline:M[yY][eE][sS])
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USE_BUILTIN.termcap= yes
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.endif
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.include "../../mk/termcap.buildlink3.mk"
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.endif # READLINE_BUILDLINK3_MK
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BUILDLINK_TREE+= -readline
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