Add macOS nanoCLR host target scaffold

.github/workflows/osx-nanoclr.yml

@@ -0,0 +1,48 @@
+name: osx-nanoclr
+
+on:
+  push:
+    paths:
+      - "targets/osx/**"
+      - ".github/workflows/osx-nanoclr.yml"
+  pull_request:
+    paths:
+      - "targets/osx/**"
+      - ".github/workflows/osx-nanoclr.yml"
+
+jobs:
+  build-osx-nanoclr:
+    runs-on: macos-14
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install Ninja (if missing)
+        run: |
+          if ! command -v ninja >/dev/null 2>&1; then
+            brew install ninja
+          fi
+
+      - name: Configure
+        run: |
+          cmake -S targets/osx -B build/osx -G Ninja \
+            -DNANO_OSX_ARCH=arm64 \
+            -DNANO_OSX_ENABLE_SMOKE=ON
+
+      - name: Build
+        run: cmake --build build/osx --verbose
+
+      - name: Smoke Run
+        run: |
+          set -euo pipefail
+          ./build/osx/bin/nanoFramework.nanoCLR --version | tee build/osx/smoke.log
+
+      - name: Upload Artifacts
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: osx-nanoclr
+          path: |
+            build/osx/bin/nanoFramework.nanoCLR
+            build/osx/smoke.log

azure-pipelines.yml

@@ -177,6 +177,7 @@ jobs:
               echo "##vso[task.setvariable variable=BUILD_TI;isOutput=true]false"
               echo "##vso[task.setvariable variable=BUILD_THREADX;isOutput=true]false"
               echo "##vso[task.setvariable variable=BUILD_WIN32;isOutput=true]false"  
+              echo "##vso[task.setvariable variable=BUILD_OSX;isOutput=true]false"  
               echo "##vso[task.setvariable variable=BUILD_NANOCLR_CLI;isOutput=true]false"  
               echo "##vso[task.setvariable variable=BUILD_ALL;isOutput=true]false"  
 
@@ -250,6 +251,14 @@ jobs:
 
                   Write-host "##[command] Building nanoCLR target"
               }
+
+              if( ($files.where{$_.Contains('targets/osx')}).Count -gt 0)
+              {
+                  # files at OSX folder
+                  echo "##vso[task.setvariable variable=BUILD_OSX;isOutput=true]true"
+
+                  Write-host "##[command] Building OSX nanoCLR target"
+              }
 
               if( 
                 (($files.where{$_.Contains('targets/netcore/nanoFramework.nanoCLR.CLI')}).Count -gt 0) -Or
@@ -345,7 +354,8 @@ jobs:
           eq(dependencies.Check_Build_Options.outputs['TargetsToBuild.BUILD_FREERTOS'], true),
           eq(dependencies.Check_Build_Options.outputs['TargetsToBuild.BUILD_TI'], true),
           eq(dependencies.Check_Build_Options.outputs['TargetsToBuild.BUILD_THREADX'], true),
-          eq(dependencies.Check_Build_Options.outputs['TargetsToBuild.BUILD_WIN32'], true)
+          eq(dependencies.Check_Build_Options.outputs['TargetsToBuild.BUILD_WIN32'], true),
+          eq(dependencies.Check_Build_Options.outputs['TargetsToBuild.BUILD_OSX'], true)
         )
       )
 
@@ -1008,6 +1018,60 @@ jobs:
 
       - template: azure-pipelines-templates/publish-nanoclr.yml
 
+  #################
+  # OSX host target
+  - job: Build_OSX_nanoCLR
+    condition: >-
+      or(
+        and(
+          succeeded('Check_Code_Style'),
+          ne( dependencies.Check_Build_Options.outputs['BuildOptions.SKIP_BUILD'], true ),
+          or(
+            eq(dependencies.Check_Build_Options.outputs['TargetsToBuild.BUILD_ALL'], true),
+            eq(dependencies.Check_Build_Options.outputs['TargetsToBuild.BUILD_OSX'], true)
+          )
+        ),
+        and(
+          eq(variables['Build.Reason'], 'Manual'),
+          or(
+            eq(variables['BUILD_ALL__'], 'true'),
+            eq(variables['BUILD_OSX__'], 'true')
+          )
+        )
+      )
+
+    dependsOn:
+      - Check_Build_Options
+      - Check_Code_Style
+
+    pool:
+      vmImage: "macos-14"
+
+    steps:
+      - checkout: self
+
+      - bash: |
+          set -euo pipefail
+
+          AGENT_ARCH="$(uname -m)"
+          if [ "${AGENT_ARCH}" = "arm64" ]; then
+            NANO_OSX_ARCH="arm64"
+          else
+            NANO_OSX_ARCH="x86_64"
+          fi
+
+          echo "Agent architecture: ${AGENT_ARCH}"
+          echo "Using NANO_OSX_ARCH=${NANO_OSX_ARCH}"
+
+          cmake -S targets/osx -B build/osx -G Ninja -DNANO_OSX_ARCH="${NANO_OSX_ARCH}" -DNANO_OSX_ENABLE_SMOKE=ON
+          cmake --build build/osx
+          ./build/osx/bin/nanoFramework.nanoCLR --version | tee build/osx/smoke.log
+          if ! grep -Eq '[0-9]+\.[0-9]+\.[0-9]+' build/osx/smoke.log; then
+            echo "ERROR: smoke output validation failed, expected semantic version in --version output."
+            exit 1
+          fi
+        displayName: Build and smoke run OSX nanoCLR
+
   #################
   # nanoCLR CLI tool
   - job: Build_nanoCLR_CLI
@@ -1322,6 +1386,7 @@ jobs:
       - Build_TI_SimpleLink_targets
       - Build_ThreadX_targets
       - Build_WIN32_nanoCLR
+      - Build_OSX_nanoCLR
       - Build_nanoCLR_CLI
       - Check_Code_Style
     condition: >-
@@ -1334,6 +1399,7 @@ jobs:
           failed('Build_TI_SimpleLink_targets'),
           failed('Build_ThreadX_targets'),
           failed('Build_WIN32_nanoCLR'),
+          failed('Build_OSX_nanoCLR'),
           failed('Build_nanoCLR_CLI')
         )
       )

targets/netcore/nanoFramework.nanoCLR.CLI/Program.cs

@@ -44,10 +44,8 @@ static int Main(string[] args)
             _copyrightInfo = new CopyrightInfo(true, ".NET Foundation and nanoFramework project contributors", 2021);
 
             // need this to be able to use ProcessStart at the location where the .NET Core CLI tool is running from
-            string codeBase = Assembly.GetExecutingAssembly().Location;
-            var uri = new UriBuilder(codeBase);
-            var fullPath = Uri.UnescapeDataString(uri.Path);
-            ExecutingPath = Path.GetDirectoryName(fullPath);
+            string assemblyLocation = Assembly.GetExecutingAssembly().Location;
+            ExecutingPath = Path.GetDirectoryName(Path.GetFullPath(assemblyLocation));
 
             // check for empty argument collection
             if (!args.Any())
@@ -93,9 +91,6 @@ static int Main(string[] args)
                 VirtualSerialDeviceManager virtualSerialBridgeManager = new();
                 virtualSerialBridgeManager.Initialize();
 
-                // need to set DLL directory to HHD interop DLL
-                SetDllDirectory(Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), "Vendor"));
-
                 var parsedArguments = Parser.Default.ParseArguments<ExecuteCommandLineOptions, ClrInstanceOperationsOptions, VirtualSerialDeviceCommandLineOptions>(args);
 
                 Console.ForegroundColor = ConsoleColor.White;
@@ -240,8 +235,5 @@ private static void LogErrors(Action scope)
             }
         }
 
-        [DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
-        public static extern bool SetDllDirectory(string lpPathName);
-
     }
 }