How to build nrf52840 dongles with customized open-thread library

Question

Hi, could anyone show me how I can build nrf52840 dongles with customzied open thread library? 
 Right now, the nrfconnect examples in matter repo is using prebuilt open-thread library.

Edvin · Accepted Answer

Hello, 
 In order to make the Matter samples (or any samples) use the source files for OpenThread instead of the pre-built library, you can add 
 CONFIG_OPENTHREAD_SOURCES=y 
 in your prj.conf. This should make it use the source files for OpenThread. 
 
 Alternatively, if you want to select a different version of the pre-built libraries, you can set one of these: 
 CONFIG_OPENTHREAD_NORDIC_LIBRARY_MASTER=y CONFIG_OPENTHREAD_NORDIC_LIBRARY_FTD=y CONFIG_OPENTHREAD_NORDIC_LIBRARY_MTD=y CONFIG_OPENTHREAD_NORDIC_LIBRARY_RCP=y 
 (You can only choose one of these at the time) 
 You can read more about them here: 
 https://docs.nordicsemi.com/bundle/ncs-latest/page/nrf/protocols/thread/configuring.html#select_openthread_libraries 
 
 Best regards, 
 Edvin

How to build nrf52840 dongles with customized open-thread library

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