open62541-arduino
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Error on Building: undefined reference to `__popcountsi2'
I have already build and successfully uploaded to an ESP32, but now I'm trying it on a new ubuntu computer and I get this error message after the 100% mark of the build process. Trying to upload is also not possible.
I am not sure, however, if the problem is due to my new computer not having some library, or that the old computer still have the Arduino 1.8.5 SDK and therefore it works with no errors