Add unused-parameter to meson build instead

Author: mroeschke

.github/actions/build_pandas/action.yml

@@ -23,12 +23,11 @@ runs:
       shell: bash -el {0}
 
     - name: Build Pandas
-      # wno-error reason: https://github.com/cython/cython/issues/6870
       run: |
         if [[ ${{ inputs.editable }} == "true" ]]; then
           EDITABLE="-e"
         else
           EDITABLE=""
         fi
-        pip install $EDITABLE . --no-build-isolation -v --no-deps --config-settings=setup-args="-Werror" --config-settings=setup-args="-Wno-error=unused-parameter"
+        pip install $EDITABLE . --no-build-isolation -v --no-deps -Ccompile-args="-Werror"
       shell: bash -el {0}

meson.build

@@ -44,6 +44,12 @@ else
     meson.add_dist_script(py, versioneer, '-o', '_version_meson.py')
 endif
 
+cc = meson.get_compiler('c')
+add_project_arguments(
+# https://github.com/cython/cython/issues/6870
+    cc.get_supported_arguments(['-Wno-error=unused-parameter']),
+    language: 'c',
+)
 cy = meson.get_compiler('cython')
 if cy.version().version_compare('>=3.1.0')
     add_project_arguments('-Xfreethreading_compatible=true', language: 'cython')