ci:macos: AppleClang + Gfortran

This is an important case that can break exception handling

Author: scivision

.github/workflows/ci.yml

@@ -92,7 +92,7 @@ jobs:
 
     strategy:
       matrix:
-        llvm-version: [20]
+        llvm-version: [21]
 
     env:
       CC: clang-${{ matrix.llvm-version }}
@@ -123,13 +123,16 @@ jobs:
     strategy:
       matrix:
         compiler: [{cpp: clang++, c: clang, fc: flang-new },
+                   {cpp: clang++, c: clang, fc: gfortran-15 },
                    {cpp: g++-15, c: gcc-15, fc: gfortran-15 }]
 
     env:
       FC: ${{ matrix.compiler.fc }}
       CC: ${{ matrix.compiler.c }}
       CXX: ${{ matrix.compiler.cpp }}
 
+    name: macOS ${{ matrix.compiler.cpp }} ${{ matrix.compiler.fc }}
+
     steps:
     - name: install Flang
       if: ${{ matrix.compiler.fc == 'flang-new' }}

CMakePresets.json

@@ -6,7 +6,8 @@
   "name": "default",
   "binaryDir": "${sourceDir}/build",
   "cacheVariables": {
-    "CMAKE_COMPILE_WARNING_AS_ERROR": true
+    "CMAKE_COMPILE_WARNING_AS_ERROR": true,
+    "CMAKE_LINK_WARNING_AS_ERROR": true
   }
 },
 {