--- ample-0.5.7.orig/Makefile.in
+++ ample-0.5.7/Makefile.in
@@ -55,7 +55,7 @@
 all:
 	@for i in $(SUBDIRS); do \
 	  echo "Making all in $$i ..."; \
-	  cd $$i; $(MAKE) $(MDEFS) all; \
+	  cd $$i; $(MAKE) $(MDEFS) all || exit ;  \
 	  cd ..; \
 	done