883e6bfbb1
Because src.sys.mk should only ever be found in the src tree we can use its position (.PARSEDIR) to set SRCTOP. Reviewed by: bapt, imp
27 lines
975 B
Makefile
27 lines
975 B
Makefile
# $FreeBSD$
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# Note: This file is also duplicated in the sys/conf/kern.pre.mk so
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# it will always grab SRCCONF, even if it isn't being built in-tree
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# to preserve historical (and useful) behavior. Changes here need to
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# be reflected there so SRCCONF isn't included multiple times.
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# make sure this is defined in a consistent manner
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SRCTOP:= ${.PARSEDIR:tA:H:H}
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# Allow user to configure things that only effect src tree builds.
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SRCCONF?= /etc/src.conf
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.if (exists(${SRCCONF}) || ${SRCCONF} != "/etc/src.conf") && !target(_srcconf_included_)
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.sinclude "${SRCCONF}"
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_srcconf_included_: .NOTMAIN
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.endif
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# If we were found via .../share/mk we need to replace that
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# with ${.PARSEDIR:tA} so that we can be found by
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# sub-makes launched from objdir.
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.if ${.MAKEFLAGS:M.../share/mk} != ""
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.MAKEFLAGS:= ${.MAKEFLAGS:S,.../share/mk,${.PARSEDIR:tA},}
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.endif
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.if ${MAKESYSPATH:Uno:M*.../*} != ""
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MAKESYSPATH:= ${MAKESYSPATH:S,.../share/mk,${.PARSEDIR:tA},}
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.export MAKESYSPATH
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.endif
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