Windows: Integration tests fails because linkahead.dll cannot be found

Summary

On Windows, the test executables need the linkahead.dll and clinkahead.dll files in the same folder. Otherwise running the tests fails.

Expected Behavior

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Actual Behavior

What did the software actually do?

Steps to Reproduce the Problem

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Specifications

• Version: Which version of this software?
• Platform: Which operating system, which other relevant software versions?

Possible fixes

Let cpplib's cmake --install copy the DLLs to the %appdata% folder and copy them to the output directory of the integration tests here.