Support the 'use_system_yasm' variable (libjpeg_turbo)....

Support the 'use_system_yasm' variable (libjpeg_turbo).
This change uses yasm installed to the system to build libjpeg_turbo if 'use_system_yasm' is 1 as requested by 'fta@ubuntu.com'.

BUG=none
TEST=build Chromium

Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=78340

[Mark Mentovai, 2011-03-11 16:00:22]

http://codereview.chromium.org/6667032/diff/1/libjpeg.gyp
File libjpeg.gyp (right):

http://codereview.chromium.org/6667032/diff/1/libjpeg.gyp#newcode190
libjpeg.gyp:190: [ 'use_system_yasm==1', {
Shouldn’t this be ==0?

[Hironori Bono, 2011-03-11 16:06:10]

Greetings Mark,

Thank you for your quick review. I have updated the change to apply your
comments.

Regards,

Hironori Bono

http://codereview.chromium.org/6667032/diff/1/libjpeg.gyp
File libjpeg.gyp (right):

http://codereview.chromium.org/6667032/diff/1/libjpeg.gyp#newcode190
libjpeg.gyp:190: [ 'use_system_yasm==1', {
On 2011/03/11 16:00:22, Mark Mentovai wrote:
> Shouldn’t this be ==0?

Done. Thank you for noticing it. (It seems my brain was shaken so much after an
earthquake.)

[Mark Mentovai, 2011-03-11 16:08:27]

That’s better! LGTM. Hope everyone’s doing OK over there.