--- ./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 {