On Wed, Jun 15, 2016 at 09:53:20PM +0300, Paul Sokolovsky wrote:
> This may be an obvious fact to someone, but it just occurred to me that
> include/queue.h from ("non-OS") esp8266 SDK is (Free)BSD header with
> the license and attribution header removed:
>
https://svnweb.freebsd.org/base/head/sys/sys/queue.h?view=markup
Thanks for pointing this out! This is in the RTOS SDK and therefore esp-open-rtos as well, so I just pushed a commit to re-add the header: