https://devzone.nordicsemi.com/f/nordic-q-a/43631/using-math-h-on-nrf9160I&#39;m trying to build a custom version of the example SAADC code provided here: https://github.com/Rallare/fw-nrfconnect-nrf/blob/nrf9160_samples/samples/nrf9160/adc/src/main.c and I&#39;m trying to include math.h to use the log(x) function. The only codeen-USTelligent Community 13Wed, 13 Feb 2019 17:07:10 GMThttps://devzone.nordicsemi.com/thread/170966?ContentTypeID=1Wed, 13 Feb 2019 17:07:10 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9751ffeb-de2a-4528-9e55-3456614e1ab3JustWalt<p>This solved it. Thank you for your help.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/170777?ContentTypeID=1Wed, 13 Feb 2019 08:20:13 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b852b17d-cf8e-490c-ab2d-70758f0d13aaSigurd<p>Hi,</p> <p>Could you try to add&nbsp;<span>CONFIG_NEWLIB_LIBC=y in your prj.conf, and see if that solves the issue.</span></p> <p><span></span></p><div style="clear:both;"></div>