default features: make musl usable without feature test macros

[musl] / include / locale.h

diff --git a/include/locale.h b/include/locale.h
index 9da4726..c6cc1ec 100644 (file)
--- a/include/locale.h
+++ b/include/locale.h
@@ -5,6 +5,8 @@
 extern "C" {
 #endif
 
+#include <features.h>
+
 #undef NULL
 #ifdef __cplusplus
 #define NULL 0