250731.022124.PDT [skip ci] test how matlab r2024 behaves with oneapi 2023

Author: zaikunzhang

.github/workflows/test_matlab_windows.yml

@@ -21,7 +21,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [windows-latest]
-        matlab: [R2023a, latest]  # The earliest and latest supported versions of MATLAB
+        matlab: [R2023a, R2024a, R2024b, latest]  # The earliest and latest supported versions of MATLAB
 
     steps:
 
@@ -73,7 +73,7 @@ jobs:
               if [[ "${{ matrix.matlab }}" = "R2020"* || "${{ matrix.matlab }}" = "R2021"* || "${{ matrix.matlab }}" = "R2022"* || "${{ matrix.matlab }}" = "R2023"* ]] ; then
                   ONEAPI_VERSION=2023
               elif [[ "${{ matrix.matlab }}" = "R2024"* ]] ; then
-                  ONEAPI_VERSION=2024
+                  ONEAPI_VERSION=2023
               fi
           fi
           echo "ONEAPI_VERSION=$ONEAPI_VERSION" >> $GITHUB_ENV

matlab/setup_tools/try_mex_setup.m

@@ -49,13 +49,16 @@
         oneapi_root = 'C:\Program Files (x86)\Intel\oneAPI\';
         system_string = 'windows';
     end
-    % Intel oneAPI does not support macOS any more starting from oneAPI 2024.
-    % For oneAPI 2024 on Windows, the compiler directory is "compiler/latest", and the compiler
+    % 1. Intel oneAPI does not support macOS any more starting from oneAPI 2024.
+    % 2. For oneAPI 2024 on Windows, the compiler directory is "compiler/latest", and the compiler
     % (ifort or ifx) is located in "compiler/latest/bin/"; In previous versions, the paths were
     % "compiler/latest/<system_string>" and "compiler/latest/<system_string>/bin/intel64".
     % The first version of MATLAB that supports oneAPI 2024 on Windows is R2024a. Earlier versions
     % cannot locate the compiler due to the change of the directory structure, even if ONEAPI_ROOT
     % is set correctly.
+    % 3. Starting from oneAPI 2025, ifort is removed and replaced by ifx. MATLAB R2024a/b looks for
+    % ifort during mex setup and hence would fail with oneAPI 2025, even though it actually uses 
+    % ifx to compile Fortran code.
     compiler_dir = fullfile(oneapi_root, 'compiler', 'latest', system_string);
     if ~exist(compiler_dir, 'dir')
         compiler_dir = fullfile(oneapi_root, 'compiler', 'latest');