default features: make musl usable without feature test macros

[musl] / include / stdlib.h

diff --git a/include/stdlib.h b/include/stdlib.h
index 86cf017..f7c5971 100644 (file)
--- a/include/stdlib.h
+++ b/include/stdlib.h
@@ -5,18 +5,7 @@
 extern "C" {
 #endif
 
-#if __STDC_VERSION__ >= 199901L
-#define __restrict restrict
-#elif !defined(__GNUC__)
-#define __restrict
-#endif
-
-#if __STDC_VERSION__ >= 201112L
-#elif defined(__GNUC__)
-#define _Noreturn __attribute__((__noreturn__))
-#else
-#define _Noreturn
-#endif
+#include <features.h>
 
 #undef NULL
 #ifdef __cplusplus