WPS Issue - class JustWifi' has no member named 'startWPS'

[onderozturan]

Hi,
First, thanks for sharing and efforts.
I am trying to use the WPS . I got below error message while compiling wps scketch.

'class JustWifi' has no member named 'startWPS'

Do you have a comment, advice of fix?
Thanks.

[xoseperez]

Building with WPS support requires you to provide two specific build settings: -DJUSTWIFI_ENABLE_WPS -DNO_EXTRA_4K_HEAP

[AVProxy]

How can i set -DJUSTWIFI_ENABLE_WPS ?
i cant find nothing about the Compiler Build settings for Arduino.