[ci] Upgrade macOS CI to macOS 15

.github/workflows/macos.yml

@@ -8,12 +8,12 @@ concurrency:
 
 jobs:
   macos_testing:
-    runs-on: macos-13
+    runs-on: macos-15
 
     steps:
-      - uses: maxim-lobanov/setup-xcode@v1
-        with:
-          xcode-version: '15.2'
+      # - uses: maxim-lobanov/setup-xcode@v1
+      #   with:
+      #     xcode-version: '15.2'
 
       - name: Setup environment - Brew tap
         run: |
@@ -29,10 +29,16 @@ jobs:
           brew link --force avr-gcc@14 arm-gcc-bin@14
           # brew upgrade boost gcc git cmake || true
 
+      - name: Setup Python 3.13
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.13'
+
       - name: Setup environment - Python pip
         run: |
-          pip3 install --upgrade --upgrade-strategy=eager --break-system-packages modm scons
-          echo "/usr/local/bin" >> $GITHUB_PATH
+          python3.13 -m venv .venv
+          ./.venv/bin/pip install --upgrade --upgrade-strategy=eager --break-system-packages modm scons
+          echo ".venv/bin" >> $GITHUB_PATH
 
       - name: Dump environment
         run: |
@@ -62,7 +68,7 @@ jobs:
       - name: Hosted Unittests
         if: always()
         run: |
-          (cd test && make run-hosted-darwin)
+          (cd test && make run-hosted-darwin-arm64)
 
       - name: Hosted Examples
         if: always()

tools/build_script_generator/make/resources/compiler.mk.in

@@ -18,7 +18,7 @@ else
 %% if platform == "hosted"
 	UNAME_S := $(shell uname -s)
 	ifeq ($(UNAME_S),Darwin)
-		C_SUFFIX := -12
+		C_SUFFIX := -14
 		# Using homebrew include and lib paths on macOS
 		CPPDEFINES += -I/usr/local/include
 		LIBPATH += -L/usr/local/lib