kernel compile broken in latest HEAD

[Alie Tan]

On Tue, Jul 9, 2013 at 11:32 PM, Gary Jennejohn
<gljennjohn at googlemail.com>wrote:

> I just saw this breakage while compiling a kernel on HEAD updated
> minutes ago:
>
> --------------------------------------------------------------
> >>> stage 3.2: building everything
> --------------------------------------------------------------
> cc1: warnings being treated as errors
>
Try declare below lines to your /etc/src.conf as workaround
NO_WERROR=
WERROR=


> In file included from
> /usr/src/sys/modules/linux/../../compat/linux/linux_ioctl.c:91:
> @/contrib/v4l/videodev2.h:430: warning: declaration does not declare
> anything
> @/contrib/v4l/videodev2.h:460: warning: declaration does not declare
> anything
> @/contrib/v4l/videodev2.h:837: warning: declaration does not declare
> anything
> @/contrib/v4l/videodev2.h:930: warning: declaration does not declare
> anything
> @/contrib/v4l/videodev2.h:1478: warning: declaration does not declare
> anything
> @/contrib/v4l/videodev2.h:1600: warning: declaration does not declare
> anything
> @/contrib/v4l/videodev2.h:1651: warning: declaration does not declare
> anything
> --- linux_ioctl.o ---
> *** [linux_ioctl.o] Error code 1
>
> make: stopped in /usr/src/sys/modules/linux
> 1 error
>
> These line numbers all point at nameless unions.
>
> Seems to me that a union needs a name, otherwise one cannot
> access its contents.
>
> I simply named them all x to get the kernel to compile, which
> succeeded.
>
> It seems that none of these unions are used at the moment.
>
> --
> Gary Jennejohn
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