Disable -Wl,-z,defs on mipsel to suppress ffmpeg error

Disable -Wl,-z,defs on mipsel to suppress ffmpeg error

The ffmpeg build on mips is broken which manifests in build errors when
z,defs is specified. The owners of this build would like the compile
time error to be suppressed for now while they work on a proper fix.

BUG=450771, 371125
Committed: https://crrev.com/9267528ad62c796f30c9f51f398fbfa29f0232a1
Cr-Commit-Position: refs/heads/master@{#312557}

[jamesr, 2015-01-22 02:02:35]

jamesr@chromium.org changed reviewers:
+ thakis@chromium.org, zork@chromium.org

[Nico, 2015-01-22 02:05:25]

https://codereview.chromium.org/864193002/diff/1/build/config/compiler/BUILD.gn
File build/config/compiler/BUILD.gn (right):

https://codereview.chromium.org/864193002/diff/1/build/config/compiler/BUILD....
build/config/compiler/BUILD.gn:308: if (cpu_arch == "mipsel") {
!=, not ==, no? Also, this probably conflicts with your asan cl.

I guess there's no gyp MIPS bot?

[jamesr, 2015-01-22 02:06:30]

On 2015/01/22 02:05:25, Nico wrote:
>
https://codereview.chromium.org/864193002/diff/1/build/config/compiler/BUILD.gn
> File build/config/compiler/BUILD.gn (right):
> 
>
https://codereview.chromium.org/864193002/diff/1/build/config/compiler/BUILD....
> build/config/compiler/BUILD.gn:308: if (cpu_arch == "mipsel") {
> !=, not ==, no?

Ah sorry, right.

> Also, this probably conflicts with your asan cl.

Yes it does.  I'll rebase this on top of the asan one and land this after.

> 
> I guess there's no gyp MIPS bot?

AFAIK no (or at least nobody's complained to me about it).  There's no trybot
either, as you can tell from my negation skillz

[jamesr, 2015-01-22 02:08:42]

ptal

[Nico, 2015-01-22 02:13:33]

On 2015/01/22 02:08:42, jamesr wrote:
> ptal

Lgmt!

[Nico, 2015-01-22 02:13:45]

On 2015/01/22 02:13:33, Nico wrote:
> On 2015/01/22 02:08:42, jamesr wrote:
> > ptal
> 
> Lgmt!

Lgtm too!

[Zachary Kuznia, 2015-01-22 02:16:31]

lgtm

[jamesr, 2015-01-22 03:00:16]

The CQ bit was checked by jamesr@chromium.org

[commit-bot: I haz the power, 2015-01-22 03:01:39]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/864193002/20001

[commit-bot: I haz the power, 2015-01-22 03:49:34]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-01-22 03:50:20]

Patchset 2 (id:??) landed as
https://crrev.com/9267528ad62c796f30c9f51f398fbfa29f0232a1
Cr-Commit-Position: refs/heads/master@{#312557}

[jamesr, 2015-01-27 20:26:38]

A revert of this CL (patchset #2 id:20001) has been created in
https://codereview.chromium.org/873313007/ by jamesr@chromium.org.

The reason for reverting is: ffmpeg issue was fixed here:
https://gerrit.chromium.org/gerrit/#/c/73566/ which was rolled into chromium
here: https://crrev.com/313130.