Update installation-source-troubleshooting.md #606
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If you encounter an error such as redefinition of ‘std::unique_ptr<precice::Participant> impl’ during compilation, it is caused by CMake’s Unity (Jumbo) build mode. To resolve this, disable Unity builds when configuring preCICE.
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Thanks for the contribution! I polished it a bit, here is how it looks now: 
@fsimonis since this is related to the (already heavily discussed) unity builds, your feedback would be helpful here. |
MakisH
approved these changes
Oct 7, 2025
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If you encounter an error such as redefinition of ‘std::unique_ptrprecice::Participant impl’ during compilation, it is caused by CMake’s Unity (Jumbo) build mode. To resolve this, disable Unity builds when configuring preCICE.