more explicit error message

diff --git a/src/smpi/internals/smpi_process.cpp b/src/smpi/internals/smpi_process.cpp
index 967936f..1d677e5 100644 (file)
--- a/src/smpi/internals/smpi_process.cpp
+++ b/src/smpi/internals/smpi_process.cpp
@@ -272,9 +272,9 @@ void Process::init(int *argc, char ***argv){
 
     process->set_data(argc, argv);
   }
 
     process->set_data(argc, argv);
   }

-  xbt_assert(smpi_process(),
-      "smpi_process() returned nullptr. You probably gave a nullptr parameter to MPI_Init. "
-      "Although it's required by MPI-2, this is currently not supported by SMPI.");
+  xbt_assert(smpi_process(), "smpi_process() returned nullptr. You probably gave a nullptr parameter to MPI_Init. "
+                             "Although it's required by MPI-2, this is currently not supported by SMPI. "
+                             "Please use MPI_Init(&argc, &argv) as usual instead.");

 }
 
 }
 }
 
 }