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41 lines
954 B
Makefile
41 lines
954 B
Makefile
# $FreeBSD$
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_default_makeobjdir= $${.CURDIR:S,^$${SRCTOP},$${OBJTOP},}
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.if empty(OBJROOT) || ${.MAKE.LEVEL} == 0
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.if defined(MAKEOBJDIRPREFIX) && !empty(MAKEOBJDIRPREFIX)
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# put things approximately where they want
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OBJROOT:= ${MAKEOBJDIRPREFIX}${SRCTOP}/
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MAKEOBJDIRPREFIX=
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.export MAKEOBJDIRPREFIX
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.endif
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.if empty(MAKEOBJDIR)
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# OBJTOP set below
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MAKEOBJDIR= ${_default_makeobjdir}
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# export but do not track
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.export-env MAKEOBJDIR
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# Expand for our own use
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MAKEOBJDIR:= ${MAKEOBJDIR}
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.endif
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.if !empty(SB)
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SB_OBJROOT?= ${SB}/obj/
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# this is what we use below
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OBJROOT?= ${SB_OBJROOT}
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.endif
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OBJROOT?= /usr/obj${SRCTOP}/
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.if ${OBJROOT:M*/} != ""
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OBJROOT:= ${OBJROOT:H:tA}/
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.else
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OBJROOT:= ${OBJROOT:H:tA}/${OBJROOT:T}
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.endif
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.export OBJROOT SRCTOP
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.endif
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.if 0
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.if defined(MAKEOBJDIR)
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.if ${MAKEOBJDIR:M/*} == ""
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.error Cannot use MAKEOBJDIR=${MAKEOBJDIR}${.newline}Unset MAKEOBJDIR to get default: MAKEOBJDIR='${_default_makeobjdir}'
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.endif
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.endif
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.endif
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