porting 3rd-software to Genode

[lzSun]

Hello,
I am porting a 3rd-party software to Genode framework. I follow this tutorial(https://genode.org/documentation/developer-resources/porting). When I execute the run command, the compilation process is complete, but there's a problem occurred when linking:  "libc.lib.so: undefined reference to `Libc::Component::construct(Libc::Env&)' collect2: error: ld returned 1 exit status I have no idea how to fix this problem, can anyone give me some help? 
Thanks,



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Best wishes
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