CI: Switch to testing with ifx

.github/workflows/gfortran.yml

@@ -121,42 +121,25 @@ jobs:
         fail_ci_if_error: true
 
   intel_build:
-    name: Intel OneAPI build
-    runs-on: ubuntu-20.04
-    env:
-      FC: mpiifort
-      # Use GCC for C++ code to speed up the build
-      #CC: icc
-      #CXX: icpc
-      APT_PACKAGES: >-
-        intel-oneapi-compiler-fortran
-        intel-oneapi-mpi
-        intel-oneapi-mpi-devel
-      # intel-oneapi-compiler-dpcpp-cpp-and-cpp-classic
+    name: Intel ifx build
+    runs-on: ubuntu-22.04
 
     steps:
     - uses: actions/checkout@v4
       with:
         fetch-depth: 2
 
-    - name: Add Intel repository
-      run: |
-        wget 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
-        rm GPG-PUB-KEY-INTEL-SW-PRODUCTS-2023.PUB
-        echo "deb https://apt.repos.intel.com/oneapi all main" | sudo tee /etc/apt/sources.list.d/oneAPI.list
-        sudo apt-get update
-
-    - name: Install Intel oneAPI compiler
-      run: |
-        sudo apt-get install ${{ env.APT_PACKAGES }}
-        source /opt/intel/oneapi/setvars.sh
-        printenv >> $GITHUB_ENV
+    - uses: fortran-lang/setup-fortran@v1
+      id: setup-fortran
+      with:
+        compiler: ifx
+        version: '2024.1'
 
     - name: Build ABIN
-      run: ./configure --mpi "" && make
+      run: ./configure && make
       env:
-        FFLAGS: -O0 -fopenmp -warn all,noextern
+        FFLAGS: -O0 -qopenmp
+        #FFLAGS: -O0 -qopenmp #-warn all,noextern
 
     - name: Run End-to-End tests
       run: make e2etest