utimens: fix broken m4 test

[gnulib.git] / m4 / utimens.m4

diff --git a/m4/utimens.m4 b/m4/utimens.m4
index 2baa256..3e9cf3f 100644 (file)
--- a/m4/utimens.m4
+++ b/m4/utimens.m4
@@ -3,7 +3,7 @@ dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
 
-dnl serial 4
+dnl serial 5
 
 AC_DEFUN([gl_UTIMENS],
 [
@@ -25,6 +25,7 @@ AC_DEFUN([gl_UTIMENS],
        AC_RUN_IFELSE([AC_LANG_PROGRAM([[
 #include <stddef.h>
 #include <sys/times.h>
+#include <fcntl.h>
 ]], [[    int fd = open ("conftest.file", O_RDWR);
           if (fd < 0) return 1;
           if (futimesat (fd, NULL, NULL)) return 2;