ci: test _ defined

henryiii · henryiii · commit b4a78596b5cf · 2021-11-24T00:31:55.000-05:00
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -44,6 +44,7 @@ jobs:
             python: 3.6
             args: >
               -DPYBIND11_FINDPYTHON=ON
+              -DCMAKE_CXX_FLAGS="-D_=1"
           - runs-on: windows-latest
             python: 3.6
             args: >
