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-rw-r--r--include/wctype.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/wctype.h b/include/wctype.h
index f7be2cb0..abc7d36f 100644
--- a/include/wctype.h
+++ b/include/wctype.h
@@ -5,6 +5,8 @@
extern "C" {
#endif
+#include <features.h>
+
#define __NEED_wint_t
#define __NEED_wctrans_t
#define __NEED_wctype_t