\subsection{Troubleshooting}

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\begin{frame}
  \frametitle{Troubleshooting}
  When problems arise while hacking CMake code, do \textbf{not} panic!

  \vspace{1em}

  Run in the build directory:\\
  \texttt{\$ cmake --trace-expand . 2> trace\_expand.txt}.

  \vspace{1em}

  This will give more insight about what happens behind the scenes.
\end{frame}

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