Try pre-built ESMF

.github/workflows/ci.yml

@@ -141,3 +141,36 @@ jobs:
 
       - name: Build
         run: cmake --build build
+
+  build-with-apt-packages-nompi-archive:
+    name: Build (APT, no MPI, pre-built ESMF)
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Check out
+        uses: actions/checkout@v4
+        with:
+          submodules: true
+
+      - name: Install dependencies
+        run: sudo apt-get install -y libnetcdf-dev libnetcdff-dev
+          liblapack-dev libopenblas-dev
+
+      - name: Fetch pre-built ESMF
+        run: |
+          v="8.3.1"  # ESMF
+          gcc="12"
+          esmf_base=$HOME/esmf
+
+          export ESMF_DIR=${esmf_base}/${v}-gcc-${gcc}
+          mkdir -p $ESMF_DIR
+          cd $esmf_base
+          wget https://github.com/zmoon/gha-esmf/releases/download/v0.0.4/${v}-gcc-${gcc}-mpiuni.tar.gz
+          tar xzvf ${v}-gcc-${gcc}-mpiuni.tar.gz --directory=/tmp && mv /tmp/${v}-gcc-${gcc}-mpiuni/* $ESMF_DIR
+
+          echo "ESMFMKFILE=${ESMF_DIR}/lib/libO/Linux.gfortran.64.mpiuni.default/esmf.mk" >> "$GITHUB_ENV"
+
+      - name: Configure
+        run: FC=gfortran-12 cmake -S . -B build
+
+      - name: Build
+        run: cmake --build build