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freebsd/share/mk/src.sys.mk
Simon J. Gerraty ae3019ca08 Define SRCTOP in src.sys.mk
Use SRCTOP to replace .../ in MAKSYSPATH (avoid extra :tA)
Use SRCTOP rather than ROOTSRCDIR in src.libnames.mk
Merge from head
2015-05-26 21:41:26 +00:00

27 lines
978 B
Makefile

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