be compatible with the standard of cmake+MPI

[simgrid.git] / docs / source / app_smpi.rst

diff --git a/docs/source/app_smpi.rst b/docs/source/app_smpi.rst
index 31e8b43..2cdd693 100644 (file)
--- a/docs/source/app_smpi.rst
+++ b/docs/source/app_smpi.rst
@@ -70,6 +70,14 @@ the right compilation flags along the way. If your application is in
 C++, Fortran 77 or Fortran 90, use respectively ``smpicxx``,
 ``smpiff`` or ``smpif90``.
 
+If you use cmake, set the variables ``MPI_C_COMPILER``, ``MPI_CXX_COMPILER`` and
+``MPI_Fortran_COMPILER`` to the full path of smpicc, smpicxx and smpiff (or
+smpif90), respectively. Example:
+
+.. code-block:: shell
+
+   cmake -DMPI_C_COMPILER=/opt/simgrid/bin/smpicc -DMPI_CXX_COMPILER=/opt/simgrid/bin/smpicxx -DMPI_Fortran_COMPILER=/opt/simgrid/bin/smpiff .
+
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 Simulating your Code
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