From 97e16364bb52a8132254b08fc95ab5a094ec9537 Mon Sep 17 00:00:00 2001
From: Arun Prakash Jana <engineerarun@gmail.com>
Date: Mon, 18 Nov 2019 22:04:09 +0530
Subject: [PATCH] Readahead is not available on all platforms

---
 src/nnn.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/nnn.c b/src/nnn.c
index 2d9be92e..53d8575d 100644
--- a/src/nnn.c
+++ b/src/nnn.c
@@ -3513,7 +3513,9 @@ static int dentfill(char *path, struct entry **dents)
 			open_max = max_openfds();
 	}
 
+#if _POSIX_C_SOURCE >= 200112L
 	posix_fadvise(fd, 0, 0, POSIX_FADV_SEQUENTIAL);
+#endif
 
 	dp = readdir(dirp);
 	if (!dp)