Build ARM64 Python on macOS #7
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| name: Build ARM64 Python on macOS | |
| on: | |
| workflow_dispatch: | |
| jobs: | |
| build: | |
| runs-on: macos-latest | |
| steps: | |
| - name: Set up Rosetta 2 | |
| run: | | |
| softwareupdate --install-rosetta --agree-to-license || true | |
| - name: Download Python 3.11.8 Source | |
| run: | | |
| curl -O https://www.python.org/ftp/python/3.11.8/Python-3.11.8.tgz | |
| tar -xf Python-3.11.8.tgz | |
| cd Python-3.11.8 | |
| - name: Build Python 3.11.8 for ARM64 | |
| run: | | |
| cd Python-3.11.8 | |
| arch -arm64 ./configure --prefix=/tmp/python-build --enable-optimizations | |
| arch -arm64 make -j$(sysctl -n hw.ncpu) | |
| arch -arm64 make install | |
| sudo mkdir -p /tmp/python-build/lib/tmp | |
| cd /tmp/python-build/lib/tmp | |
| sudo ar -x ../libpython3.11.a | |
| sudo gcc -m32 -shared -o ../libpython-3.11.8.dylib *.o | |
| cd /tmp/python-build/lib | |
| sudo rm -rf tmp | |
| ls | |
| # Remove unimportant files that take up lots of space | |
| sudo rm -rf /tmp/python-build/lib/python3.11/test/ | |
| sudo rm -rf /tmp/python-build/lib/python3.11/__pycache__/ | |
| sudo rm -rf /tmp/python-build/lib/python3.11/config-3.11-darwin/ | |
| sudo rm -rf /tmp/python-build/lib/python3.11/tkinter/ | |
| sudo rm -rf /tmp/python-build/lib/python3.11/idlelib/ | |
| sudo rm -rf /tmp/python-build/lib/python3.11/turtledemo/ | |
| # Remove the static library as we've built a shared library | |
| sudo rm /tmp/python-build/lib/libpython3.11.a | |
| # Strip the build binaries to reduce size | |
| sudo strip /tmp/python-build/bin/python3.11 | |
| sudo strip /tmp/python-build/lib/libpython-3.11.8.dylib | |
| # Remove extra bin files that are not needed | |
| sudo rm /tmp/python-build/bin/python3.11-config | |
| sudo rm /tmp/python-build/bin/idle3.11 | |
| sudo rm /tmp/python-build/bin/pydoc3.11 | |
| sudo rm /tmp/python-build/bin/pip3.11 | |
| sudo rm /tmp/python-build/bin/2to3-3.11 | |
| - name: Verify Build | |
| run: | | |
| /tmp/python-build/bin/python3 --version | |
| /tmp/python-build/bin/python3 -c "import platform; print(platform.machine())" | |
| file $HOME/python-arm64/bin/python3 | |
| - name: Upload Python Artifact | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| name: python-arm64-macos | |
| path: /tmp/python-build/ | |
| include-hidden-files: 'true' |