Note: I have moved this post as it seems to be introducing a new topic.
From your description, you seem to be including the library from the A7 folder, which is targeting the Cortex-A7 architecture. But based on your part number (STM32F746), it seems you would need the library for the Cortex-M7 architecture instead. This also seems to be confirmed by the error message:
@RonH /gcc\libalgobsec.a(bsec_interface.o): Conflicting architecture profiles A/M
Could you please confirm whether you are still facing compilation issues when using the libalgobsec.a file from the 'Cortex_M7' folder?
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