set NPROCS to 1 when running tests without MPI

git-svn-id: http://svn.cactuscode.org/flesh/trunk@5112 17b73243-c579-4c4c-a9d2-2d5706c11dac

1 files changed, 3 insertions, 1 deletions

diff --git a/lib/sbin/RunTestUtils.pl b/lib/sbin/RunTestUtils.pl
index 26930ff3..18e8677c 100644
--- a/lib/sbin/RunTestUtils.pl
+++ b/lib/sbin/RunTestUtils.pl
@@ -589,7 +589,8 @@ sub FindRunCommand
   my $have_mpi = ParseExtras($config_data);
 
   my $nprocs = (defined ($ENV{'CCTK_TESTSUITE_RUN_PROCESSORS'}) ?
-                $ENV{'CCTK_TESTSUITE_RUN_PROCESSORS'} : 2);
+                $ENV{'CCTK_TESTSUITE_RUN_PROCESSORS'} : $have_mpi ?
+                                                        2 : 1);
 
   if ($have_mpi)
   {
@@ -603,6 +604,7 @@ sub FindRunCommand
       {
           die("Cannot run on $nprocs processes without an MPI implementation\n");
       }
+      $config_data->{'NPROCS'} = 1;
   }
 
   my $command;