default features: make musl usable without feature test macros

[musl] / include / signal.h

diff --git a/include/signal.h b/include/signal.h
index e0dae19..1014440 100644 (file)
--- a/include/signal.h
+++ b/include/signal.h
@@ -5,11 +5,7 @@
 extern "C" {
 #endif
 
-#if __STDC_VERSION__ >= 199901L
-#define __restrict restrict
-#elif !defined(__GNUC__)
-#define __restrict
-#endif
+#include <features.h>
 
 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
  || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \