diff --git a/make/defs.mk b/make/defs.mk
index f377dbe9..d296cd71 100644
--- a/make/defs.mk
+++ b/make/defs.mk
@@ -517,4 +517,7 @@ doc-module:
 doc-project:
 	$(BROWSER) $(JANWARE_URL_DOC_PROJECT)
 
+echo-targets:
+	@make -pqR | sed '/^[a-zA-Z-]\+:/!d; s/:.*//' | sort
+
 endif # ifndef JW_BUILD_DEF_MK_INCLUDED