diff --git a/include/stdalign.h b/include/stdalign.h
new file mode 100644
index 00000000..ae46c349
--- /dev/null
+++ b/include/stdalign.h
@@ -0,0 +1,16 @@
+#ifndef _STDALIGN_H
+#define _STDALIGN_H
+
+#if __STDC_VERSION__ < 201112L && (defined(__GNUC__) || defined(__TINYC__))
+# define _Alignas(t) __attribute__((__aligned__(t)))
+# define _Alignof(t) __alignof__(t)
+#endif
+
+#define alignas _Alignas
+#define alignof _Alignof
+
+#define __alignas_is_defined 1
+#define __alignof_is_defined 1
+
+#endif /* _STDALIGN_H */
+