render: use portable HAS_INCLUDE() wrapper instead of __has_include()

macros.h

@@ -27,6 +27,12 @@
     #define HAS_BUILTIN(x) 0
 #endif
 
+#ifdef __has_include
+    #define HAS_INCLUDE(x) __has_include(x)
+#else
+    #define HAS_INCLUDE(x) 0
+#endif
+
 #ifdef __has_feature
     #define HAS_FEATURE(x) __has_feature(x)
 #else

render.c

@@ -9,7 +9,9 @@
 #include <sys/timerfd.h>
 #include <sys/epoll.h>
 #include <pthread.h>
-#if __has_include(<pthread_np.h>)
+
+#include "macros.h"
+#if HAS_INCLUDE(<pthread_np.h>)
 #include <pthread_np.h>
 #define pthread_setname_np(thread, name) (pthread_set_name_np(thread, name), 0)
 #elif defined(__NetBSD__)