Lock copying of directory trees to the staging dir with the "staging-dir" lock. This lock probably has to be taken elsewhere, too.

SVN-Revision: 23857

include/package.mk

@@ -132,8 +132,10 @@ define Build/DefaultTargets
 		$(call $(hook),$(TMP_DIR)/stage-$(PKG_NAME),$(TMP_DIR)/stage-$(PKG_NAME)/host)$(sep)\
 	)
 	if [ -d $(TMP_DIR)/stage-$(PKG_NAME) ]; then \
-		(cd $(TMP_DIR)/stage-$(PKG_NAME); find ./ > $(STAGING_DIR)/packages/$(STAGING_FILES_LIST)); \
-		$(CP) $(TMP_DIR)/stage-$(PKG_NAME)/* $(STAGING_DIR)/; \
+		$(call locked, \
+			(cd $(TMP_DIR)/stage-$(PKG_NAME); find ./ > $(STAGING_DIR)/packages/$(STAGING_FILES_LIST)); \
+			$(CP) $(TMP_DIR)/stage-$(PKG_NAME)/* $(STAGING_DIR)/; \
+		,staging-dir); \
 	fi
 	rm -rf $(TMP_DIR)/stage-$(PKG_NAME)
 	touch $$@