Use new GitHub native aarch64 macOS runners

Now that GitHub has native arm64 macOS runners we can leverage these to
build and test our arm64 macOS wheels directly instead of relying on
cross-target compilation, which prevent us from exercising the wheels in
the CI.

Signed-off-by: Pablo Galindo <pablogsal@gmail.com>

Author: pablogsal

.github/workflows/build_wheels.yml

@@ -93,13 +93,11 @@ jobs:
 
   build_macosx_wheels:
     needs: [build_sdist]
-    name: macosx_${{ matrix.cibw_arch }} wheels
-    runs-on: macos-11
+    name: macosx_${{ matrix.os }} wheels
+    runs-on: ${{ matrix.os }}
     strategy:
-      fail-fast: false
       matrix:
-        cibw_arch: ["x86_64", "arm64"]
-
+        os: [macos-11, macos-14]
     steps:
       - uses: actions/download-artifact@v4
         with:
@@ -113,24 +111,26 @@ jobs:
         run: |
           tar zxvf dist/*.tar.gz --strip-components=1
       - name: Sets env vars for compilation
-        if: matrix.cibw_arch == 'arm64'
+        if: matrix.os == 'macos-14'
         run: |
-          echo "CFLAGS=-target arm64-apple-macos11" >> $GITHUB_ENV
-          echo "MEMRAY_LIBBACKTRACE_TARGET=arm64-apple-macos11" >> $GITHUB_ENV
+          echo "CFLAGS=-target aarch64-apple-darwin" >> $GITHUB_ENV
+          echo "MEMRAY_LIBBACKTRACE_TARGET=aarch64-apple-darwin" >> $GITHUB_ENV
+          echo "LZ4_INSTALL_DIR=/tmp/lz4_install/usr/local/" >> $GITHUB_ENV
       - name: Build wheels
         uses: pypa/cibuildwheel@v2.16.5
         env:
           CIBW_BUILD: "cp3{8..12}-*"
-          CIBW_ARCHS_MACOS: ${{ matrix.cibw_arch }}
           CIBW_PRERELEASE_PYTHONS: True
           CIBW_TEST_EXTRAS: test
           CIBW_TEST_COMMAND: pytest {package}/tests
           CIBW_BUILD_VERBOSITY: 1
           MACOSX_DEPLOYMENT_TARGET: "10.14"
-
+          CFLAGS: "${{ env.CFLAGS }} -I/lz4_install/include"
+          LDFLAGS: "-L${{ env.LZ4_INSTALL_DIR}}/lib -Wl,-rpath,${{env.LZ4_INSTALL_DIR}}/lib"
+          DYLD_LIBRARY_PATH: "${{ env.LZ4_INSTALL_DIR }}/lib"
       - uses: actions/upload-artifact@v4
         with:
-          name: macosx_${{ matrix.cibw_arch }}-wheels
+          name: macosx_${{ matrix.os }}-wheels
           path: ./wheelhouse/*.whl
 
   build_and_test_wheels:

pyproject.toml

@@ -82,7 +82,7 @@ before-all = [
   "git clone --depth 1 --branch v1.9.4 https://github.com/lz4/lz4 lz4",
   "cd lz4",
   "make",
-  "make install"
+  "make install DESTDIR=/tmp/lz4_install"
 ]
 before-test = [
   "codesign --remove-signature /Library/Frameworks/Python.framework/Versions/*/bin/python3 || true",