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\chapter{Common Error Messages}
\label{chap:errors}
Compiling can fail. Here are some common mistakes and how to solve them.
\section{The command does not output anything}
If, after typing your command followed by a file name, your terminal does not output anything like \lstinline'myfile.zip;' or \lstinline'myfile.cpp;' and returns only a blank line, make sure \textbf{you are in the correct directory or you entered the correct path to reach the DSP file.}
\section{No such file or directory}
If you used the \lstinline'-install' option, make sure you typed the complete workspace path.
For instance, instead of typing this :
\begin{lstlisting}
faust2ros -install myworkspace ~/path/to/myfile.dsp
\end{lstlisting}
you should type :
\begin{lstlisting}
faust2ros -install path/to/myworkspace ~/path/to/myfile.dsp
\end{lstlisting}
%\section{Fatal error during \lstinline'catkin_make' operation}
%Once your DSP file compiled into a cpp file, if you try to compile it into a \ros executable, the terminal might output :
%\begin{lstlisting}
%fatal error: faust_msgs/faust_param.h: No such file or directory
%\end{lstlisting}
%\newpage
%You have two possibilities :
%
%\begin{itemize}[leftmargin=*]
% \item If your workspace is only a test workspace, then type :
% \begin{lstlisting}
%source path/to/myworkspace/devel/setup.bash
% \end{lstlisting}
% in your terminal.
% \item If your workspace is going to be your current \ros workspace, you can add it to the source directories :
% \begin{lstlisting}
%echo "source path/to/myworkspace/devel/setup.bash" >> ~/.bashrc
% \end{lstlisting}
%\end{itemize}
\section{[rosrun] error}
\label{sec:rosrun error}
If, while trying to run a \faust node (called \textit{myname}), an error message showed up saying :
\begin{lstlisting}
[rosrun] Couldn't find executable named myname below /path/to/myworkspace/src/myname
\end{lstlisting}
Then you have to source your workspace :
\begin{itemize}[leftmargin=*]
\item If your workspace is only a test workspace, then type :
\begin{lstlisting}
source path/to/myworkspace/devel/setup.bash
\end{lstlisting}
in your terminal.
\item If your workspace is going to be your current \ros workspace, you can add it to the source directories :
\begin{lstlisting}
echo "source path/to/myworkspace/devel/setup.bash" >> ~/.bashrc
\end{lstlisting}
\end{itemize}
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