Index: head/Mk/bsd.port.mk
===================================================================
--- head/Mk/bsd.port.mk
+++ head/Mk/bsd.port.mk
@@ -603,7 +603,9 @@
 # test-depends-list
 #				- Show all directories which are test-dependencies
 #				  for this port.
-#
+# install-missing-packages
+#               - Install missing dependencies from package and mark
+#                 them as automatically installed 
 # extract		- Unpacks ${DISTFILES} into ${WRKDIR}.
 # patch			- Apply any provided patches to the source.
 # configure		- Runs either GNU configure, one or more local configure
@@ -4318,6 +4320,11 @@
 			${ECHO_CMD} $${_p}; \
 		fi; \
 	done
+
+# Install missing dependencies from package
+install-missing-packages:
+	@_dirs=$$(${MISSING-DEPENDS-LIST}); \
+	${PKG_BIN} install -A $$(${ECHO} $${_dirs} | ${SED} "s%${PORTSDIR}/%%g")
 
 ################################################################
 # Everything after here are internal targets and really