Unable to load yosys plugin system verilog

[Maor545]

yosys> plugin -i systemverilog ERROR: Can't load module./systemverilog': /usr/bin/../share/yosys/plugins/systemverilog.so: undefined symbol: _ZN5Yosys4Pass11on_registerEv`

ubuntu 20.04 LTS in WSL2 container Yosys 0.9 (git sha1 1979e0b) yosys-systemverilog compiled from sources as per the instructions say

[pgielda]

Yosys 0.9 is too old. As README states "the required yosys version is 0.10 or later". This particular symbol that is missing was introduced in Yosys 0.10.

[kgugala]

@Maor545 I suppose you've built the plugin against newer yosys, and then you try to load the plugin to an older on (maybe previously installed in your system?)