* Abort make with an error if a submake fails, otherwise the error might never be noticed by automated builds.
diff --git a/unix/Make.rules b/unix/Make.rules
index a073f7a..55f3b69 100644
--- a/unix/Make.rules
+++ b/unix/Make.rules
@@ -1,6 +1,6 @@
%-recursive:
ifneq ($(SUBDIRS),)
- for d in $(SUBDIRS) ; do $(MAKE) -C $$d $* ; done
+ for d in $(SUBDIRS) ; do $(MAKE) -C $$d $* || exit $$? ; done
else
@:
endif