netdev - Userspace header linux/netlink.h uses GCC-specific 'typeof'

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Date:	Tue, 10 Sep 2013 14:51:16 +0200
From:	Thorben Hasenpusch <thorben.hasenpusch@...il.com>
To:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Userspace header linux/netlink.h uses GCC-specific 'typeof'

Compilation of a user space program which includes linux/netlink.h and
uses NL_MMAP_MSG_ALIGN fails if GCC is ordered not to use GNU
extensions.
__KERNEL_ALIGN is defined to use typeof which is a GCC-extension and not
supported by standard C/C++.
Can that be changed so standard conforming C/C++ compiles successfully?

Regards.

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