let *-dir-depends recurse globally, with one single file.

infrastructure/mk/bsd.port.subdir.mk

@@ -1,7 +1,7 @@
 #-*- mode: Makefile; tab-width: 4; -*-
 # ex:ts=4 sw=4 filetype=make:
 #	from: @(#)bsd.subdir.mk	5.9 (Berkeley) 2/1/91
-#	$OpenBSD: bsd.port.subdir.mk,v 1.56 2003/08/04 14:16:53 espie Exp $
+#	$OpenBSD: bsd.port.subdir.mk,v 1.57 2003/08/04 14:37:48 espie Exp $
 #	FreeBSD Id: bsd.port.subdir.mk,v 1.20 1997/08/22 11:16:15 asami Exp
 #
 # The include file <bsd.port.subdir.mk> contains the default targets
@@ -89,16 +89,34 @@ _SUBDIRUSE: .USE
 	else ${REPORT_PROBLEM}; fi
 .endfor
 
+_SUBDIRUSE_DEP: .USE
+.  for i in ${_SKIPPED}
+	@echo "===> $i skipped"
+.  endfor
+	@${_depfile_fragment}; for d in ${_FULLSUBDIR}; do \
+		dir=$$d; \
+		${_flavor_fragment}; \
+		${ECHO_MSG} "===> $$d"; \
+		set +e; \
+		if ! eval  $$toset ${MAKE} ${.TARGET}; then \
+			${REPORT_PROBLEM}; \
+		fi; \
+	done
+
 .for __target in all fetch package fake extract configure \
 		 build describe distclean deinstall install \
 		 reinstall checksum show fetch-makefile \
 		 link-categories unlink-categories regress lib-depends-check \
-		 homepage-links manpages-check \
-		 all-dir-depends build-dir-depends run-dir-depends
+		 homepage-links manpages-check
 
 ${__target}: _SUBDIRUSE
 .endfor
 
+.for __target in all-dir-depends build-dir-depends run-dir-depends
+
+${__target}: _SUBDIRUSE_DEP
+.endfor
+
 clean: _SUBDIRUSE
 .if defined(clean) && ${clean:L:Mreadmes}
 	rm -f ${.CURDIR}/README.html