[libvirt] [PATCH] build: avoid compile failure on linux kernels older than 2.6.19

[Jim Meyering]

Chris Lalancette wrote:
> On 05/17/2010 10:25 AM, Jim Meyering wrote:
>> This is required for any kernel prior to 2.6.19,
>> since <linux/magic.h> didn't exist back then.
>> Now that file is provided by the kernel-headers package.
>>
>>>From d14ef1669968ffeb65076b007e318934ed99aa61 Mon Sep 17 00:00:00 2001
>> From: Jim Meyering <meyering at redhat.com>
>> Date: Mon, 17 May 2010 16:17:08 +0200
>> Subject: [PATCH] build: avoid compile failure on linux kernels older than 2.6.19
>>
>> * configure.ac: Check for <linux/magic.h>.
>> * src/util/storage_file.c: Include <linux/magic.h> only if present.
>> Linux kernels prior to 2.6.19 lacked it.
>> [__linux__] (NFS_SUPER_MAGIC): Define if not already defined.
>
> Yeah, this caused compile failure over the weekend for me.  There's
> a similar #define in the qemu_driver.c sources; we should think about
> combining these at some point, but this fixes the immediate problem.
>
> ACK

Thanks.  Will push shortly.
And I'll take care of the clean-up, too.