xref: /freebsd/share/mk/src.sys.mk (revision 98e0ffaefb0f241cda3a72395d3be04192ae0d47)
1# $FreeBSD$
2
3# Note: This file is also duplicated in the sys/conf/kern.pre.mk so
4# it will always grab SRCCONF, even if it isn't being built in-tree
5# to preserve historical (and useful) behavior. Changes here need to
6# be reflected there so SRCCONF isn't included multiple times.
7
8# make sure this is defined in a consistent manner
9SRCTOP:= ${.PARSEDIR:tA:H:H}
10
11# Allow user to configure things that only effect src tree builds.
12SRCCONF?=	/etc/src.conf
13.if (exists(${SRCCONF}) || ${SRCCONF} != "/etc/src.conf") && !target(_srcconf_included_)
14.sinclude "${SRCCONF}"
15_srcconf_included_:	.NOTMAIN
16.endif
17# If we were found via .../share/mk we need to replace that in
18# with ${SRCTOP} so that we can be found by
19# sub-makes launched from objdir.
20.if ${.MAKEFLAGS:M.../share/mk} != ""
21.MAKEFLAGS:= ${.MAKEFLAGS:S,.../share/mk,${SRCTOP}/share/mk,}
22.endif
23.if ${MAKESYSPATH:Uno:M*.../*} != ""
24MAKESYSPATH:= ${MAKESYSPATH:S,.../share/mk,${SRCTOP}/share/mk,}
25.export MAKESYSPATH
26.endif
27