libvpx: exclude NEON target on x86 for GN build

libvpx: exclude NEON target on x86 for GN build

Exclude NEON targets such that GN can build for all targets.

TBR=tomfinegan

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=291837

[Alpha Left Google, 2014-09-05 23:48:05]

hclam@chromium.org changed reviewers:
+ tomfinegan@chromium.org

[Alpha Left Google, 2014-09-05 23:48:31]

Committed patchset #1 (id:1) manually as r291837 (presubmit successful).

[chromium-reviews, 2014-09-05 23:57:39]

Not sure what exactly is affected by this change but you should be able to
build the 64bit arm target with neon because it doesn't include any
assembly, just intrinsics. I assume you're running into issues with
asm_offsets, which is only for assembly.
On Sep 5, 2014 4:48 PM, <hclam@chromium.org> wrote:

> Committed patchset #1 (id:1) manually as r291837 (presubmit successful).
>
> https://codereview.chromium.org/550533002/
>

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[Alpha Left Google, 2014-09-06 00:00:08]

GN build for libvpx is not complete yet. It is expected to work only on x86. But
even on x86 it was building the arm files so I excluded those targets.

[Tom Finegan, 2014-09-09 20:00:34]

On 2014/09/06 00:00:08, Alpha wrote:
> GN build for libvpx is not complete yet. It is expected to work only on x86.
But
> even on x86 it was building the arm files so I excluded those targets.

lgtm

Flu was trying to kill me-- catching up now, sorry for the delay!