From 9e39d292cbd249f878318e71644822dc7d05a9f5 Mon Sep 17 00:00:00 2001
From: Hannah Frost <hanfros@yahoo.com>
Date: Tue, 14 Jul 2026 13:57:43 +0100
Subject: [PATCH] #3 add GHA workflow to build and run tests

---
 .github/workflows/makefile-test.yml | 71 +++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 .github/workflows/makefile-test.yml

diff --git a/.github/workflows/makefile-test.yml b/.github/workflows/makefile-test.yml
new file mode 100644
index 0000000..c4cf075
--- /dev/null
+++ b/.github/workflows/makefile-test.yml
@@ -0,0 +1,71 @@
+# -----------------------------------------------------------------------------
+# BSD 3-Clause License
+#
+# Copyright (c) 2026 Science and Technology Facilities Council.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+# * Redistributions of source code must retain the above copyright notice, this
+#   list of conditions and the following disclaimer.
+#
+# * Redistributions in binary form must reproduce the above copyright notice,
+#   this list of conditions and the following disclaimer in the documentation
+#   and/or other materials provided with the distribution.
+#
+# * Neither the name of the copyright holder nor the names of its
+#   contributors may be used to endorse or promote products derived from
+#   this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+# -----------------------------------------------------------------------------
+# Author H. Frost, STFC Daresbury Lab
+#
+# This workflow builds and runs the dl_timer test suite for the OpenMP and MPI tests defined in src/test/Makefile.
+
+name: dl_timer build and test
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build-and-test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install compilers and MPI
+        run: >
+          sudo apt-get update && sudo apt-get install -y build-essential gfortran
+          libopenmpi-dev openmpi-bin
+
+      - name: OpenMP tests
+        run: |
+          . compiler_setup/gnu_setup.sh
+          make sm_test
+
+      - name: Clean up OpenMP tests
+        run: make allclean
+
+      - name: MPI tests
+        env:
+        #GitHub runners have 2 cores, so we need to oversubscribe to run the MPI tests
+          OMPI_MCA_rmaps_base_oversubscribe: "true"
+        run: |
+          . compiler_setup/gnu_setup.sh
+          make dm_test