CI: Disable gfortran and ifx

.github/workflows/build.yml

@@ -38,6 +38,9 @@ jobs:
         version: [ 13, 14, 15 ] # Julienne supports GFortran 13+
         extra_flags: [ -g -O3 ]
 
+        exclude:
+          - compiler: gfortran  # gfortran disabled for now
+
         include:
 
           # --- LLVM flang coverage ---
@@ -90,33 +93,34 @@ jobs:
 
           # --- Intel coverage ---
           # Julienne requires 2025.2.0 or later
-
-          # https://hub.docker.com/r/intel/oneapi-toolkit/tags
-          - os: ubuntu-24.04
-            compiler: ifx
-            version: latest
-            container: intel/oneapi-toolkit:latest
-
-          - os: ubuntu-24.04
-            compiler: ifx
-            version: 2026.0.0
-            container: intel/oneapi-toolkit:2026.0.0-devel-ubuntu24.04
-
-          # https://hub.docker.com/r/intel/fortran-essentials/tags
-          - os: ubuntu-24.04
-            compiler: ifx
-            version: 2025.3.0
-            container: intel/fortran-essentials:2025.3.0-0-devel-ubuntu24.04
-
-          - os: ubuntu-24.04
-            compiler: ifx
-            version: 2025.2.2
-            container: intel/fortran-essentials:2025.2.2-0-devel-ubuntu24.04
-
-          - os: ubuntu-24.04
-            compiler: ifx
-            version: 2025.2.0
-            container: intel/fortran-essentials:2025.2.0-0-devel-ubuntu24.04
+          # ifx disabled for now
+#
+#          # https://hub.docker.com/r/intel/oneapi-toolkit/tags
+#          - os: ubuntu-24.04
+#            compiler: ifx
+#            version: latest
+#            container: intel/oneapi-toolkit:latest
+#
+#          - os: ubuntu-24.04
+#            compiler: ifx
+#            version: 2026.0.0
+#            container: intel/oneapi-toolkit:2026.0.0-devel-ubuntu24.04
+#
+#          # https://hub.docker.com/r/intel/fortran-essentials/tags
+#          - os: ubuntu-24.04
+#            compiler: ifx
+#            version: 2025.3.0
+#            container: intel/fortran-essentials:2025.3.0-0-devel-ubuntu24.04
+#
+#          - os: ubuntu-24.04
+#            compiler: ifx
+#            version: 2025.2.2
+#            container: intel/fortran-essentials:2025.2.2-0-devel-ubuntu24.04
+#
+#          - os: ubuntu-24.04
+#            compiler: ifx
+#            version: 2025.2.0
+#            container: intel/fortran-essentials:2025.2.0-0-devel-ubuntu24.04
 
           # --- LFortran coverage ---
           # Formal now requires LFortran 0.64 or later