build: flex.m4: check for Flex.

[bison.git] / tests / named-refs.at

diff --git a/tests/named-refs.at b/tests/named-refs.at
index 35c2382b96597505e2c9967bd62f604a4ead3114..d2942cfcbb55b51cb46cfc4bfe8bc6fad674d34d 100644 (file)
--- a/tests/named-refs.at
+++ b/tests/named-refs.at
@@ -23,6 +23,7 @@ AT_SETUP([Tutorial calculator])
 AT_DATA_GRAMMAR([test.y],
 [[
 %{
+#include <assert.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>