ga: more debug output
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 8368a0f..505a2a5 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -22,6 +22,7 @@
         working-directory: ${{runner.workspace}}/build
         run: |
           echo running .....cmake $GITHUB_WORKSPACE .....
+          echo working directory ${{runner.workspace}}/build
           cmake $GITHUB_WORKSPACE
       - name: build
         working-directory: ${{runner.workspace}}/build