add xcode_version(), platform_tell()

Author: scivision

+stdlib/platform_tell.m

@@ -0,0 +1,31 @@
+%% PLATFORM_TELL - Display information about the platform and environment
+
+function platform_tell()
+
+r = matlabRelease();
+fprintf('Matlab: %s %s %s\n', r.Release, computer('arch'), stdlib.cpu_arch());
+
+if stdlib.has_java()
+  fprintf('Java: %s %s  Home: %s\n', stdlib.java_vendor(), stdlib.java_version(), stdlib.java_home());
+end
+
+if stdlib.has_dotnet()
+  fprintf('.NET: %s\n', stdlib.dotnet_version());
+end
+
+if stdlib.has_python()
+  fprintf('Python: %s  Home: %s\n', stdlib.python_version(), stdlib.python_home());
+end
+
+if ismac()
+  fprintf('Xcode CLT: %s\n', stdlib.xcode_version());
+end
+
+for lang = ["C", "C++", "Fortran"]
+  co = mex.getCompilerConfigurations(lang);
+  if ~isempty(co)
+    fprintf('%s compiler: %s %s\n', lang, co.ShortName, co.Version)
+  end
+end
+
+end

+stdlib/xcode_version.m

@@ -0,0 +1,21 @@
+%% XCODE_VERSION on macOS, tell the Xcode Command Line Tools version
+
+function v = xcode_version()
+
+v = '';
+
+if ~ismac(), return, end
+
+[s, m] = system('pkgutil --pkg-info com.apple.pkg.CLTools_Executables');
+
+if s ~= 0, return, end
+
+v = regexp(m, 'version: (\d+\.\d+(\.\d+)+)', 'tokens', 'once');
+
+if isempty(v)
+    v = '';
+else
+    v = v{1};
+end
+
+end

.github/workflows/ci.yml

@@ -64,20 +64,10 @@ jobs:
       if: ${{ matrix.release >= 'R2023a' && matrix.release < 'R2025a' }}
       run: matlab_jenv ${JAVA_HOME_11_X64}
 
-    - name: Matlab tell Java Version
+    - name: Matlab tell External Language Interface versions
       uses: matlab-actions/run-command@v2
       with:
-        command: "disp(stdlib.java_vendor()), disp(stdlib.java_version())"
-
-    - name: Matlab tell .NET version
-      uses: matlab-actions/run-command@v2
-      with:
-        command: "disp(stdlib.dotnet_version())"
-
-    - name: Matlab tell Python version
-      uses: matlab-actions/run-command@v2
-      with:
-        command: "disp(stdlib.python_version())"
+        command: stdlib.platform_tell()
 
     - name: Non-MEX tests
       uses: ./.github/workflows/composite-nomex