add _DIRENT_HAVE_D_* macros to dirent.h
diff --git a/include/dirent.h b/include/dirent.h
index 88d3c3c..e0a8fe6 100644
--- a/include/dirent.h
+++ b/include/dirent.h
@@ -17,6 +17,10 @@
 
 typedef struct __dirstream DIR;
 
+#define _DIRENT_HAVE_D_RECLEN
+#define _DIRENT_HAVE_D_OFF
+#define _DIRENT_HAVE_D_TYPE
+
 struct dirent {
 	ino_t d_ino;
 	off_t d_off;