Add MPIEXEC to configuration summary

carputils/settings/summary.py

@@ -95,6 +95,7 @@ def summary(config, execs, solver_opts, cli):
                 'Paths',
                 DASH_LINE]
     summary += [FORMAT(10, 'OPENCARP_SRC', config.OPENCARP_SRC)]
+    summary += [FORMAT(10, 'MPIEXEC', config.MPIEXEC)]
 
     summary += [DASH_LINE,
                 'System Info',