Cherry-picked from upstream SVN rev 230972

--- a/src/share/mk/bsd.own.mk
+++ b/src/share/mk/bsd.own.mk
@@ -316,6 +316,9 @@
     BOOT \
     BSD_CPIO \
     BSNMP \
+    SOURCELESS \
+    SOURCELESS_HOST \
+    SOURCELESS_UCODE \
     BZIP2 \
     CALENDAR \
     CDDL \
@@ -504,6 +507,11 @@
 MK_BIND_ETC:=	no
 .endif
 
+.if ${MK_SOURCELESS} == "no"
+MK_SOURCELESS_HOST:=	no
+MK_SOURCELESS_UCODE:= no
+.endif
+
 .if ${MK_CDDL} == "no"
 MK_ZFS:=	no
 .endif