Index: Makefile.in
--- Makefile.in.orig
+++ Makefile.in
@@ -1206,7 +1206,7 @@ check: check-all check-info
 
 check-all: $(TEST_APP)
 	for crypto in $(CHECK_CRYPTO_LIST) ; do \
-		make check-crypto-$$crypto || exit 1 ; \
+		$(MAKE) check-crypto-$$crypto || exit 1 ; \
 	done
 
 check-crypto-%: $(TEST_APP)