1 files changed, 4 insertions, 3 deletions
diff --git a/src/dir.h b/src/dir.h
index 18d907e..6d5c9c5 100644
--- a/src/dir.h
+++ b/src/dir.h
@@ -8,14 +8,15 @@
 #ifndef BFS_DIR_H
 #define BFS_DIR_H
 
+#include "prelude.h"
 #include <sys/types.h>
 
 /**
  * Whether the implementation uses the getdents() syscall directly, rather than
  * libc's readdir().
  */
-#ifndef BFS_USE_GETDENTS
-#  define BFS_USE_GETDENTS (__linux__ || __FreeBSD__)
+#if !defined(BFS_USE_GETDENTS) && (__linux__ || __FreeBSD__)
+#  define BFS_USE_GETDENTS (BFS_HAS_GETDENTS || BFS_HAS_GETDENTS64 | BFS_HAS_GETDENTS64_SYSCALL)
 #endif
 
 /**
@@ -152,7 +153,7 @@ int bfs_closedir(struct bfs_dir *dir);
  * Whether the bfs_unwrapdir() function is supported.
  */
 #ifndef BFS_USE_UNWRAPDIR
-#  define BFS_USE_UNWRAPDIR (BFS_USE_GETDENTS || __FreeBSD__)
+#  define BFS_USE_UNWRAPDIR (BFS_USE_GETDENTS || BFS_HAS_FDCLOSEDIR)
 #endif
 
 #if BFS_USE_UNWRAPDIR