ci: control fanout

Author: scivision

.github/workflows/ci.yml

@@ -19,29 +19,17 @@ concurrency:
 
 jobs:
 
-  matlab:
+  matlab-at-least-r2024a:
     timeout-minutes: 15
     runs-on: ${{ matrix.os }}
 
     strategy:
       matrix:
-        os: [ubuntu-22.04, windows-2022]
-        release: [R2022a, R2022b, R2023a, R2023b, R2024a, R2024b, R2025a]
+        os: [ubuntu-22.04, windows-2022, macos-latest]
+        release: [R2024a, R2024b, R2025a]
 # on Linux, even R2025a needs GCC 10.x and hence Github Actions runner ubuntu-22.04.
-# R2021a...R2022a officially need Ubuntu 20.04,
-# which is no longer available on Github Actions
-        include:
-        - os: macos-latest
-          release: R2025a
-        - os: macos-latest
-          release: R2024b
-        - os: macos-latest
-          release: R2024a
-        - os: macos-latest
-          release: R2023b
-# macOS R2023b to be compatible with Xcode version on Github Actions runner
-
-
+# R2021a...R2022a officially need Ubuntu 20.04, which is no longer available on Github Actions
+# macOS >= R2023b to be compatible with Xcode version on Github Actions runner
 
     steps:
     - uses: actions/checkout@v4
@@ -79,7 +67,45 @@ jobs:
         tasks: test_exe
 
 
-  matlab-older-than-R2022a:
+  matlab:
+    needs: matlab-at-least-r2024a
+    timeout-minutes: 15
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        os: [ubuntu-22.04]
+        release: [R2022a, R2022b, R2023a, R2023b]
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - uses: ./.github/workflows/composite-install-matlab
+
+    - name: Fortran FC
+      if: runner.os == 'macOS'
+      run: echo "FC=gfortran-14" >> $GITHUB_ENV
+
+    - name: Matlab tell External Language Interface versions
+      uses: matlab-actions/run-command@v2
+      with:
+        command: stdlib.platform_tell()
+
+    - name: Non-MEX tests
+      uses: ./.github/workflows/composite-nomex
+
+    - name: Exe Test (legacy)
+      if: ${{ matrix.release >= 'R2023a' && matrix.release < 'R2024b' }}
+      uses: matlab-actions/run-build@v2
+      with:
+        startup-options: -logfile ${{ matrix.release }}-${{ runner.os }}-test.log
+        tasks: test_exe
+
+
+
+  matlab-less-than-R2022a:
+    needs: matlab-at-least-r2024a
+
     timeout-minutes: 15
     runs-on: ${{ matrix.os }}