adds a script to maintain MPI test dependencies

config/mpi_test_deps.sh

+#!/bin/bash
+
+# Copyright (c) 2024 The YAC Authors
+#
+# SPDX-License-Identifier: BSD-3-Clause
+
+prev_log_name=
+
+for template_name in \
+  $(find . -maxdepth 1 -type f -a -name '*.sh.in' -exec grep -l '@MPI_LAUNCH@' {} \; | sort -r); do
+
+  template_name="${template_name#'./'}"
+  log_name="${template_name%'.sh.in'}.log"
+
+  if test -n "${prev_log_name}"; then
+    echo "${prev_log_name}: ${log_name}"
+  fi
+
+  prev_log_name=${log_name}
+
+done

python/tests/Makefile.am

@@ -5,6 +5,7 @@
 TEST_EXTENSIONS = .sh
 
 TESTS = \
+    test_coroutines.sh \
     test_interface.sh \
     test_multithreading.sh \
     test_nc2plot.sh \
@@ -12,23 +13,26 @@ TESTS = \
     test_noise2nc.sh \
     test_noise2nc_parallel.sh \
     test_noise2plot.sh \
-    test_noise2plot_parallel.sh \
-    test_coroutines.sh
+    test_noise2plot_parallel.sh
 
-test_nc2plot.log: test_noise2nc.log
 if TEST_MPI
+# Some tests require output files of the others:
+test_nc2plot.log: test_noise2nc.log
 test_nc2plot_parallel.log: test_noise2nc_parallel.log
 if !ENABLE_CONCURRENT_MPI_TESTS
 # Run MPI tests one by one:
-test_interface.log: test_noise2plot_parallel.log
-test_noise2plot_parallel.log: test_nc2plot_parallel.log
-test_noise2nc_parallel.log: test_multithreading.log
+test_noise2plot_parallel.log: test_noise2plot.log
+test_noise2plot.log: test_nc2plot_parallel.log
+test_noise2nc_parallel.log: test_nc2plot.log
+test_noise2nc.log: test_multithreading.log
+test_multithreading.log: test_interface.log
+test_interface.log: test_coroutines.log
 endif
 endif
 
 EXTRA_DIST = \
-    test_interface.py \
-    test_coroutines.py
+    test_coroutines.py \
+    test_interface.py
 
 clean-local:
 	-rm -rf *.nc *.plots

tests/contrib/Makefile.am

@@ -67,6 +67,8 @@ XFAIL_TESTS = \
 if TEST_MPI
 if !ENABLE_CONCURRENT_MPI_TESTS
 # Run MPI tests one by one:
+#   The following dependencies are generated with
+#   $(top_srcdir)/config/mpi_test_deps.sh.
 test_read_scrip_parallel.log: test_read_icon_parallel.log
 test_read_icon_parallel.log: test_duplicate_stencils_parallel.log
 endif

tests/core/Makefile.am

@@ -115,6 +115,8 @@ XFAIL_TESTS = \
 if TEST_MPI
 if !ENABLE_CONCURRENT_MPI_TESTS
 # Run MPI tests one by one:
+#   The following dependencies are generated with
+#   $(top_srcdir)/config/mpi_test_deps.sh.
 test_proc_sphere_part_parallel.log: test_mpi_error.log
 test_mpi_error.log: test_io_config.log
 test_io_config.log: test_interpolation_parallel6.log

tests/mci/Makefile.am

@@ -136,6 +136,8 @@ XFAIL_TESTS = \
 if TEST_MPI
 if !ENABLE_CONCURRENT_MPI_TESTS
 # Run MPI tests one by one:
+#   The following dependencies are generated with
+#   $(top_srcdir)/config/mpi_test_deps.sh.
 test_restart2.log: test_restart.log
 test_restart.log: test_query_routines_c.log
 test_query_routines_c.log: test_query_routines.log

tests/tools/Makefile.am

@@ -35,7 +35,8 @@ XFAIL_TESTS = \
 
 if !ENABLE_CONCURRENT_MPI_TESTS
 # Run MPI tests one by one:
-
+#   The following dependencies are generated with
+#   $(top_srcdir)/config/mpi_test_deps.sh.
 endif
 
 AM_CPPFLAGS = \