Simplify and cache Intel CI setup

Update to 'icx'

Source Intel compilers after install

Revert to ICC

Test version output of compilers

Export paths to installed netCDF

Fixed variable error

Try to add netCDF to pkg-config path

Remove output from 'nf-config'

Test path to netCDF pkgconfig

Fix path to pkgconfig

Add environment setup

Update cache path

Separate cache into two steps

Move environment setup to top

Removed parallel compilation

Debug NFDIR path during caching

Move debug output

Debug more netCDF paths

Install other dependencies independent of Intel

.github/workflows/ci.yml

@@ -13,16 +13,7 @@ jobs:
       matrix:
         os: [ubuntu-20.04, macos-10.15]
         mpi: [true, false]
-
     steps:
-      - name: Checkout code
-        uses: actions/checkout@v2
-        with:
-          ref: meson
-
-      - name: Setup Python for newer version of Meson
-        uses: actions/setup-python@v2
-
       - name: Install dependencies - Ubuntu
         run: |
           sudo apt update
@@ -35,6 +26,12 @@ jobs:
           HOMEBREW_NO_INSTALL_CLEANUP: 1
         if: runner.os == 'macOS'
 
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Setup Python for newer version of Meson
+        uses: actions/setup-python@v2
+
       - name: Run Meson build step
         uses: BSFishy/[email protected]
         env:
@@ -56,31 +53,57 @@ jobs:
     env:
       CC: icc
       FC: ifort
+      NFDIR: '/opt/netcdf'
     steps:
-      - name: Setup Intel repository
+      - name: Install dependencies
         run: |
-          wget https://apt.repos.intel.com/intel-gpg-keys/GPG-PUB-KEY-INTEL-SW-PRODUCTS-2023.PUB
+          sudo apt update
+          sudo apt install -y ninja-build libnetcdf-dev
+
+      - name: Cache Intel setup
+        id: cache-intel
+        uses: actions/cache@v2
+        with:
+          path: /opt/intel/
+          key: intel-${{ runner.os }}-compiler
+
+      - name: Setup Intel compiler
+        if: steps.cache-intel.outputs.cache-hit != 'true'
+        run: |
+          wget -q https://apt.repos.intel.com/intel-gpg-keys/GPG-PUB-KEY-INTEL-SW-PRODUCTS-2023.PUB
           sudo apt-key add GPG-PUB-KEY-INTEL-SW-PRODUCTS-2023.PUB
-          sudo echo "deb https://apt.repos.intel.com/oneapi all main" | sudo tee /etc/apt/sources.list.d/oneAPI.list
+          sudo add-apt-repository "deb https://apt.repos.intel.com/oneapi all main"
           sudo apt update
+          sudo apt install -y\
+            intel-oneapi-compiler-dpcpp-cpp-and-cpp-classic\
+            intel-oneapi-compiler-fortran intel-oneapi-mpi-devel
 
-      - name: Install dependencies
-        run: sudo apt install -y ninja-build libnetcdf-dev intel-oneapi-compiler-dpcpp-cpp-and-cpp-classic intel-oneapi-compiler-fortran intel-oneapi-mpi-devel
+      - name: Cache netCDF install
+        id: cache-netcdf
+        uses: actions/cache@v2
+        with:
+          path: ${{ env.NFDIR }}
+          key: netcdf-4.5.2-${{ runner.os }}-intel
 
       - name: Checkout netCDF for compiling with Intel
+        if: steps.cache-netcdf.outputs.cache-hit != 'true'
         uses: actions/checkout@v2
         with:
           repository: 'Unidata/netcdf-fortran'
           ref: 'v4.5.2'
 
       - name: Compile and install custom netCDF
+        if: steps.cache-netcdf.outputs.cache-hit != 'true'
         run: |
           source /opt/intel/oneapi/setvars.sh
           ./configure --prefix="$NFDIR"
           make
           sudo make install
-        env:
-          NFDIR: /usr/local
+
+      - name: Setup netCDF environment
+        run: |
+          echo "${NFDIR}/bin" >> $GITHUB_PATH
+          echo "PKG_CONFIG_PATH=${NFDIR}/lib/pkgconfig" >> $GITHUB_ENV
 
       - name: Setup Python for newer version of Meson
         uses: actions/setup-python@v2
@@ -90,15 +113,9 @@ jobs:
 
       - name: Checkout code
         uses: actions/checkout@v2
-        with:
-          ref: meson
 
-      - name: Setup build directory
+      - name: Build with Intel compilers
         run: |
           source /opt/intel/oneapi/setvars.sh
           meson setup builddir -Dmpi=${{ matrix.mpi }}
-
-      - name: Compile source code
-        run: |
-          source /opt/intel/oneapi/setvars.sh
           meson compile -C builddir