Index: head/share/mk/src.sys.env.mk
===================================================================
--- head/share/mk/src.sys.env.mk	(revision 325974)
+++ head/share/mk/src.sys.env.mk	(revision 325975)
@@ -1,50 +1,52 @@
 # $FreeBSD$
 
 # early setup only see also src.sys.mk
 
 # make sure this is defined in a consistent manner
 SRCTOP:= ${.PARSEDIR:tA:H:H}
 
 .if ${.CURDIR} == ${SRCTOP}
 RELDIR= .
 RELTOP= .
 .elif ${.CURDIR:M${SRCTOP}/*}
 RELDIR:= ${.CURDIR:S,${SRCTOP}/,,}
 .endif
 RELTOP?= 	${RELDIR:C,[^/]+,..,g}
 RELOBJTOP?=	${RELTOP}
 RELSRCTOP?=	${RELTOP}
 
 # site customizations that do not depend on anything!
 SRC_ENV_CONF?= /etc/src-env.conf
 .if !empty(SRC_ENV_CONF) && !target(_src_env_conf_included_)
 .-include "${SRC_ENV_CONF}"
 _src_env_conf_included_:	.NOTMAIN
 .endif
 
+.include <bsd.mkopt.mk>
+
 # Top-level installs should not use meta mode as it may prevent installing
 # based on cookies.
 .if make(*install*) && ${.MAKE.LEVEL} == 0
 META_MODE=	normal
 MK_META_MODE=	no
 .export MK_META_MODE
 .endif
 
 # If we were found via .../share/mk we need to replace that
 # with ${.PARSEDIR:tA} so that we can be found by
 # sub-makes launched from objdir.
 .if ${.MAKEFLAGS:M.../share/mk} != ""
 .MAKEFLAGS:= ${.MAKEFLAGS:S,.../share/mk,${.PARSEDIR:tA},}
 .endif
 .if ${MAKESYSPATH:Uno:M*.../*} != ""
 MAKESYSPATH:= ${MAKESYSPATH:S,.../share/mk,${.PARSEDIR:tA},}
 .export MAKESYSPATH
 .elif empty(MAKESYSPATH)
 MAKESYSPATH:=	${.PARSEDIR:tA}
 .export MAKESYSPATH
 .endif
 
 .if ${RELDIR:U} == "." && ${.MAKE.LEVEL} == 0
 .sinclude "${.CURDIR}/Makefile.sys.inc"
 .endif
 .include <src.sys.obj.mk>