From c17c73e2388ffdacc3543459b7344f97c28c5a2e Mon Sep 17 00:00:00 2001
From: Eric Sandeen <sandeen@sandeen.net>
Date: Mon, 15 Jun 2009 15:45:44 -0500
Subject: [PATCH] xfs_io: fix test for fallocate on 32bit boxes

As per Red Hat bug 500487, fallocate64 is missing in glibc,
so attempts to build with fallocate and _FILE_OFFSET_BITS=64
will fail.

So, change the config to test the way we will build.

Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
Reviewed-by: Olaf Weber <olaf@sgi.com>
---
 m4/package_libcdev.m4 | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/m4/package_libcdev.m4 b/m4/package_libcdev.m4
index 1ac466664..1c1859d63 100644
--- a/m4/package_libcdev.m4
+++ b/m4/package_libcdev.m4
@@ -105,6 +105,9 @@ AC_DEFUN([AC_HAVE_GETMNTINFO],
 AC_DEFUN([AC_HAVE_FALLOCATE],
   [ AC_MSG_CHECKING([for fallocate])
     AC_TRY_LINK([
+#define _GNU_SOURCE
+#define _FILE_OFFSET_BITS 64
+#include <fcntl.h>
 #include <linux/falloc.h>
     ], [
          fallocate(0, 0, 0, 0);
-- 
2.47.2