I suspect that sample requires a specific .conf file for nRF52840, since it fails on an invalid GPIO Kconfig symbol.
Adding Mieszko and and Andrzej from Nordic.
From: users@... <users@...> On Behalf Of Arun kumar
Sent: 09 December 2018 04:37
Subject: [Zephyr-users] Getting too many warning while building SHT3XD sample #nrf52840 #i2c #sensor
Please find the logs in attachment.