[PATCH v2] Coordinate if.h definitions for Linux and glibc (BZ #21367)

[Dmitry V. Levin]

On Sun, Apr 09, 2017 at 11:43:51PM +0200, Aurelien Jarno wrote:
> This commit coordinates the definition of structures and enum already
> defined the Linux kernel UAPI headers, following the procedure described
> on https://sourceware.org/glibc/wiki/Synchronizing_Headers.
> 
> With this change, it is safe to include <net/if.h> and <linux/if.h> in
> any order in a a userspace application.
> 
> Note: this as been fixed in commit 4a91cb61bb995 on the Linux side.
> 
> Changelog:
> 	[BZ #21367]
> 	* sysdeps/gnu/net/if.h: wrap IFF_* enums in
> 	!defined __UAPI_DEF_IF_NET_DEVICE_FLAGS defines.
> 	(struct ifmap): Wrap in !defined __UAPI_DEF_IF_IFMAP defines.
> 	(struct ifreq): Wrap in !defined __UAPI_DEF_IF_IFREQ defines.
> 	(struct ifconf): Wrap in !defined __UAPI_DEF_IF_IFCONF defines.
> ---
>  ChangeLog            | 9 +++++++++
>  sysdeps/gnu/net/if.h | 9 +++++++++
>  2 files changed, 18 insertions(+)
> 
> Changes v1 -> v2:
>   Use '#ifndef' instead of '#if !' so that it also works with -Werror=undef

Please try to include this patched <net/if.h> after <linux/xattr.h>
and see what's going to be defined.


-- 
ldv
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