--- a/src/bmx.h | |
+++ b/src/bmx.h | |
@@ -290,7 +290,7 @@ enum ADGSN { | |
#define SUCCESS 0 | |
#define FAILURE -1 | |
-const void* FAILURE_PTR; | |
+extern const void* FAILURE_PTR; | |
#define MAX_SELECT_TIMEOUT_MS 1100 /* MUST be smaller than (1000/2) to fit into max tv_usec */ |