[CMake] How to link executable with libraries containing circular dependencies

[Martin Apel]

Hi there,

I am trying to link an executable with multiple libraries, which 
reference each other in a circular fashion. It seems, that I cannot 
specify the same library multiple times
in TARGET_LINK_LIBRARIES, so the link line will always end up with each 
library listed exactly once. In my case, this leads to unresolved symbols.
I know that circular dependencies are not nice, but it's a large 
"inherited" project I would like to convert to use CMake.
I posted this issue before, trying to resolve it using the --start-group 
and --end-group options to the linker, but haven't gotten any responses yet.
To me it looks, as if CMake is not able to handle linker calls with 
circular references. Any pointers?

Regards,

Martin

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