diff --git a/src/frontend/filter-datatypes.c b/src/frontend/filter-datatypes.c index 8aae1dd..49ed358 100644 --- a/src/frontend/filter-datatypes.c +++ b/src/frontend/filter-datatypes.c @@ -23,6 +23,7 @@ #include #include #define __USE_MISC +#define __USE_XOPEN_EXTENDED #include #include "filter.h"