I am running linux (Debian) and I want to include the header <code>mpi.h</code> into my project. The <code>mpi.h</code> is located under <code>/usr/include/mpi</code> and running <code>mpiCC</code> and <code>mpirun</code> shows that it's installed. I couldn't find a clear tutorial.

You should add <code>include_directories(/usr/include/mpi/)</code> to your CMakeLists.txt and just include the header: <pre class="prettyprint"><code>#include <mpi.h> </code></pre>

You should include the header file <code>mpi/mpi.h</code> Like this <pre class="prettyprint"><code> #include<mpi/mpi.h> </code></pre>

Include mpi.h in Clion

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I am running linux (Debian) and I want to include the header mpi.h into my project. The mpi.h is located under /usr/include/mpi and running mpiCC and mpirun shows that it's installed. I couldn't find a clear tutorial.