What is your specific issue ? presumably, you would
a) download the dll & associated header files or
b) build the dll from source or
c) include the source c++ files in your own project
d) include the header files in your project
e) if (b) from above, link your project with the static library/dll
There are instructions for (b) here
https://lemon.cs.elte.hu/trac/lemon/wiki/InstallCmake[
^]
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