--- ./dirfd.h.orig	2022-02-16 19:00:47.650173530 +0530
+++ ./dirfd.h	2022-02-16 19:01:03.830173524 +0530
@@ -21,7 +21,7 @@
  * given dir, and it will return the fd or -1 on error. */
 
 #ifdef __linux__
-int ifd;	/* inotify fd */
+extern int ifd;	/* inotify fd */
 #endif
 
 struct dircacheentry {
