#include <errno.h>
#endif
+// When building the RTS in the non-dyn way on Windows, we don't
+// want declspec(__dllimport__) on the front of function prototypes
+// from libffi.
+#if defined(mingw32_HOST_OS) && !defined(__PIC__)
+# define LIBFFI_NOT_DLL
+#endif
+
#include "ffi.h"
/* --------------------------------------------------------------------------