From 3032b321a81198350427bd29336a69c199f0beb5 Mon Sep 17 00:00:00 2001
From: Reid Priedhorsky <reidpr@lanl.gov>
Date: Wed, 27 Mar 2024 15:45:21 -0600
Subject: [PATCH] configure: add missed fnctl.h

---
 configure.ac | 1 +
 1 file changed, 1 insertion(+)

diff --git a/configure.ac b/configure.ac
index 3ca364e80..1699ad747 100644
--- a/configure.ac
+++ b/configure.ac
@@ -343,6 +343,7 @@ AC_MSG_RESULT($have_userns)
 AC_DEFUN([CH_OVERLAY_C], [[
   #define _GNU_SOURCE
   #include <errno.h>
+  #include <fcntl.h>
   #include <sched.h>
   #include <stdio.h>
   #include <stdlib.h>