Add libs list for debugging and add non-windows check

Author: mxamin

.github/workflows/cache_libs.yml

@@ -124,6 +124,16 @@ jobs:
         GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       run: python build_libs_xmlsec.py --download-only
 
+    - name: List downloaded libs
+      run: |
+        bash -c '
+        echo "libs directory:"
+        ls -la libs || true
+        echo
+        echo "Downloaded files:"
+        find libs -maxdepth 1 -type f | sort || true
+        '
+
     - name: Check Windows library versions
       if: ${{ contains(matrix.os, 'windows-') }}
       run: |
@@ -132,3 +142,12 @@ jobs:
             [[ -f "$file" ]] || { echo "MISSING: $file" ; exit 1; }
         done
         '
+
+    - name: Check non-Windows library versions
+      if: ${{ !contains(matrix.os, 'windows-') }}
+      run: |
+        bash -c '
+        for file in  libs/zlib-${{ inputs.LIBICONV_VERSION }}.*.zip  libs/iconv-${{ inputs.LIBXML2_VERSION }}.*.zip  libs/libxml2-${{ inputs.LIBXSLT_VERSION }}.*.zip  libs/libxslt-${{ inputs.OPENSSL_VERSION }}.*.zip libs/libxslt-${{ inputs.XMLSEC1_VERSION }}.*.zip libs/libxslt-${{ inputs.ZLIB_VERSION }}.*.zip; do
+            [[ -f "$file" ]] || { echo "MISSING: $file" ; exit 1; }
+        done
+        '