From e2e44afabbb3211f01bbd4026fd07cee86964729 Mon Sep 17 00:00:00 2001
From: Matthew Thompson <matthew.thompson@nasa.gov>
Date: Wed, 4 Sep 2024 11:52:37 -0400
Subject: [PATCH] Add flang to CI

---
 .github/workflows/main.yml | 52 ++++++++++++++++++++++++++++++++++++++
 ChangeLog.md               |  1 +
 2 files changed, 53 insertions(+)

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 07b6174..b74c3d7 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -211,3 +211,55 @@ jobs:
           path: |
             build/**/*.log
 
+  Flang:
+    runs-on: ubuntu-latest
+    container: gmao/llvm-flang:latest
+    env:
+      FC: flang-new
+
+    name: Flang
+    steps:
+      - name: Versions
+        run: |
+          ${FC} --version
+          cmake --version
+
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 1
+
+      - name: Set all directories as git safe
+        run: |
+          git config --global --add safe.directory '*'
+
+      - name: Add python-is-python3 package
+        run: |
+          apt-get update
+          apt-get install -y python-is-python3
+
+      - name: Build gFTL-shared
+        run: |
+          mkdir -p build
+          cd build
+          cmake .. -DCMAKE_Fortran_COMPILER=${FC}
+          make -j4
+
+      - name: Build Tests
+        run: |
+          cd build
+          make -j4 tests
+
+      - name: Run Tests
+        run: |
+          cd build
+          ctest -j1 --output-on-failure --repeat until-pass:4
+
+      - name: Archive log files on failure
+        uses: actions/upload-artifact@v4
+        if: failure()
+        with:
+          name: logfiles
+          path: |
+            build/**/*.log
+
diff --git a/ChangeLog.md b/ChangeLog.md
index d114539..c960faf 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -13,6 +13,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Update CI to have `gfortran-10` and `gfortran-11` only on `ubuntu-22.04`
 - Update CI NVIDIA to NVHPC 24.7
+- Add Flang to CI
 
 ## [1.9.0] - 2024-07-09