https://devzone.nordicsemi.com/f/nordic-q-a/96270/azure-fota-sample-cannot-build-with-custom-boardHi, I trying to build and run the Azure FOTA sample on a custom board with nrf9160 SiP. It builds fine with the nrf9160 DK. It seems to be a mcuboot problem. I get the error: undefined reference to `z_impl_k_sem_give&#39;. Is there a config settingen-USTelligent Community 13Fri, 03 Feb 2023 09:46:39 GMThttps://devzone.nordicsemi.com/thread/407942?ContentTypeID=1Fri, 03 Feb 2023 09:46:39 GMT137ad170-7792-4731-bb38-c0d22fbe4515:de0e8c3f-23e8-4f7c-8b19-ba7393d27c33Replay<p>The issue was due to a CONFIG_ADC=y in the .defconfig files for the custom board.</p> <p>Fix: Move the CONFIG_ADC=y to prj.conf file.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/407852?ContentTypeID=1Thu, 02 Feb 2023 19:37:26 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b0c5ffd6-db69-43cd-8685-72c54969817eNaeem Maroof<p>Hi Replay,</p> <p>Thank you for contacting DevZone at NordicSemi.</p> <p>The error you are getting is related to the zephyr.</p> <p>As you can correctly build it for the DK, and the problem occurs for the custom board:</p> <p>I guess some configuration might be missing / wrong in the custom board files.</p> <p>Can you start by having a look at your custom files and compare with given/standard files.</p> <p>Regards,</p> <p>Naeem</p><div style="clear:both;"></div>