Add GitHub action for macOS builds

Signed-off-by: Stefan Weil <[email protected]>

.github/workflows/makeall-macos.yml

@@ -56,20 +56,20 @@ jobs:
     env:
       OS: ${{ matrix.os }}
       PYTHON_VERSION: ${{ matrix.python-version }}
-      PKG_CONFIG_PATH: ${{ env.HOMEBREW_PREFIX }}/opt/icu4c/lib/pkgconfig:${{ env.HOMEBREW_PREFIX }}/opt/libarchive/lib/pkgconfig
 
     steps:
     - name: Show inputs.os
       run: echo ${{ inputs.os }}
     - name: Show environment
-      run: export && echo "OS=${{ env.OS }}, PYTHON_VERSION=${{ env.PYTHON_VERSION }} ($(python3 --version))"
+      run: export && echo "OS=${{ env.OS }}, PYTHON_VERSION=${{ env.PYTHON_VERSION }} ($(python3 --version)), $HOMEBREW_PREFIX"
     - name: Show Python executables
       run: ls -l /usr/bin/python* /usr/local/bin/p*
     - uses: actions/checkout@v4
     - name: Install dependencies
       # curl and icu4c are already installed
       run: brew install automake cabextract geos leptonica libarchive libtool pango parallel
     - name: Make all
-      run: make all
+      if: runner.os == 'macOS'
+      run: PKG_CONFIG_PATH=${{ env.HOMEBREW_PREFIX }}/opt/icu4c/lib/pkgconfig:$HOMEBREW_PREFIX/opt/libarchive/lib/pkgconfig make all
     - name: Make check
       run: make check