default features: make musl usable without feature test macros

[musl] / include / sys / uio.h

diff --git a/include/sys/uio.h b/include/sys/uio.h
index 7a75a54..624ff42 100644 (file)
--- a/include/sys/uio.h
+++ b/include/sys/uio.h
@@ -5,6 +5,8 @@
 extern "C" {
 #endif
 
+#include <features.h>
+
 #define __NEED_size_t
 #define __NEED_ssize_t
 #define __NEED_struct_iovec