--- /dev/null
+--- byaccj1.15/src/main.c~ 2006-10-16 20:16:16.000000000 +0200
++++ byaccj1.15/src/main.c 2009-02-19 14:38:45.000000000 +0100
+@@ -353,10 +353,10 @@
+ union_file_name[len + 5] = 'u';
+ output_file_name[len + 5] = 'o';
+
+- mktemp(action_file_name);
+- mktemp(text_file_name);
+- mktemp(union_file_name);
+- mktemp(output_file_name);
++ mkstemp(action_file_name);
++ mkstemp(text_file_name);
++ mkstemp(union_file_name);
++ mkstemp(output_file_name);
+
+ len = strlen(file_prefix);
+