The key changes are:

Modified the logic to use two conditions:
First check if there ARE configure/Makefile files (grep -qE)
Then check if there are NO other files (! grep -qvE)
Only skip Windows CI when BOTH conditions are true (only configure-related files changed)
This way, Windows CI will be skipped only when ALL changed files are configure/Makefile related, and will run if there are any other changes

Author: srinivasreddy

.github/workflows/reusable-change-detection.yml

@@ -139,13 +139,14 @@ jobs:
           # Get changed files
           CHANGED_FILES=$(git diff --name-only "origin/$GITHUB_BASE_REF..")
 
-          # Check if changes are only in configure/Makefile files
-          if echo "$CHANGED_FILES" | grep -qvE '^(configure.*|Makefile.*|.*\.m4)$'; then
-            # Other files changed, run Windows CI
-            echo "run-windows=true" >> "$GITHUB_OUTPUT"
-          else
+          # Check if changes are ONLY in configure/Makefile files
+          if echo "$CHANGED_FILES" | grep -qE '^(configure.*|Makefile.*|.*\.m4)$' && \
+             ! echo "$CHANGED_FILES" | grep -qvE '^(configure.*|Makefile.*|.*\.m4)$'; then
             # Only configure/Makefile files changed, skip Windows CI
             echo "run-windows=false" >> "$GITHUB_OUTPUT"
+          else
+            # Other files changed, run Windows CI
+            echo "run-windows=true" >> "$GITHUB_OUTPUT"
           fi
         fi
     - name: Compute hash for config cache key