build-macos-openssl.yml

name: macOS OpenSSL
on:
  schedule:
    # Run once a week on Fridays
    - cron: "0 0 * * FRI"
  pull_request:
    paths:
      - '.github/workflows/build-macos-openssl.yml'
      # Contains the OpenSSL version we'll build
      - 'cryptography-linux/openssl-version.sh'
  push:
    branches:
      - main
    paths:
      - '.github/workflows/build-macos-openssl.yml'
      # Contains the OpenSSL version we'll build
      - 'cryptography-linux/openssl-version.sh'

jobs:
  build:
    runs-on: macos-11.0
    strategy:
      matrix:
        ARCH:
          - NAME: x86_64
            ARTIFACT_NAME: x86-64
            CFLAGS: "-mmacosx-version-min=10.12 -march=core2"
            OPENSSLDIR: "/usr/local/etc/openssl@3"
          - NAME: arm64
            ARTIFACT_NAME: arm64
            CFLAGS: "-mmacosx-version-min=11.0"
            OPENSSLDIR: "/opt/homebrew/etc/openssl@3"
    name: "Build OpenSSL for macOS (${{ matrix.ARCH.NAME }})"
    steps:
      - uses: actions/checkout@v4.0.0
      - name: Download OpenSSL
        run: |
          source ./cryptography-linux/openssl-version.sh
          curl -o openssl.tar.gz https://www.openssl.org/source/$OPENSSL_VERSION.tar.gz
          shasum -a 256 -c <<< "$OPENSSL_SHA256 *openssl.tar.gz"
      - name: Extract OpenSSL
        run: |
          tar zxf openssl.tar.gz
      - name: Build OpenSSL
        run: |
          set -x
          source ./cryptography-linux/openssl-version.sh
          mkdir artifact
          BASEDIR=$(pwd)
          cd openssl*
          # Use the brew openssldir so pyopenssl users with homebrew installed
          # will have roots for TLS. This is obviously not great but we live in
          # an imperfect world.
          perl ./Configure \
              --prefix="${BASEDIR}/artifact" \
              --openssldir=${{ matrix.ARCH.OPENSSLDIR }} \
              darwin64-${{ matrix.ARCH.NAME }}-cc \
              $OPENSSL_BUILD_FLAGS
          make -j$(sysctl -n hw.logicalcpu)
          make install_sw
        env:
          CFLAGS: ${{ matrix.ARCH.CFLAGS }}

      - uses: actions/upload-artifact@v3.1.3
        with:
          name: "openssl-macos-${{ matrix.ARCH.ARTIFACT_NAME }}"
          path: artifact/

  universal2:
    runs-on: macos-11.0
    name: "Build OpenSSL for macOS universal2"
    needs: [ build ]
    steps:
      - uses: actions/download-artifact@v3.0.2
        with:
          name: openssl-macos-x86-64
          path: x86-64
      - uses: actions/download-artifact@v3.0.2
        with:
          name: openssl-macos-arm64
          path: arm64
      - name: Create universal2 OpenSSL
        run: |
          mkdir artifact
          cd artifact
          mkdir bin lib
          cp -r ../x86-64/include .
          cp -r ../x86-64/lib/pkgconfig lib/
          cp ../x86-64/bin/c_rehash bin/  # c_rehash is a perl script
          lipo -create -output bin/openssl ../x86-64/bin/openssl ../arm64/bin/openssl
          lipo -create -output lib/libssl.a ../x86-64/lib/libssl.a ../arm64/lib/libssl.a
          lipo -create -output lib/libcrypto.a ../x86-64/lib/libcrypto.a ../arm64/lib/libcrypto.a
      - uses: actions/upload-artifact@v3.1.3
        with:
          name: "openssl-macos-universal2"
          path: artifact/