Set PKG_CONFIG_PATH in CI workflow

Author: oscarbenjamin

.github/workflows/buildwheel.yml

@@ -36,6 +36,10 @@ jobs:
       - run: choco install -y --stoponfirstfailure --checksum 6004DF17818F5A6DBF19CB335CC92702 pkgconfiglite
         if: ${{ matrix.os == 'windows-2019' }}
 
+        # We have to set this here rather than in the cibuildwheel config
+      - run: echo "PKG_CONFIG_PATH=${{ github.workspace }}/.local/lib/pkgconfig" >> $env:GITHUB_ENV
+        if: ${{ matrix.os == 'windows-2019' }}
+
       - name: Build wheels
         uses: pypa/[email protected]
         env:

pyproject.toml

@@ -39,7 +39,8 @@ PKG_CONFIG_PATH = "$(pwd)/.local/lib/pkgconfig"
 
 [tool.cibuildwheel.windows.environment]
 # Setting PKG_CONFIG_PATH here breaks pkgconfig for some reason...
-PKG_CONFIG_PATH = "$(pwd)/.local/lib/pkgconfig:$PKG_CONFIG_PATH"
+# We set it in the CI workflow instead.
+# PKG_CONFIG_PATH = "$(pwd)/.local/lib/pkgconfig:$PKG_CONFIG_PATH"
 
 [tool.cibuildwheel.linux]
 before-all = "bin/cibw_before_all_linux.sh"