ci: test _ defined

henryiii · henryiii · commit 1689cca2a05f · 2021-11-18T09:01:37.000-05:00
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -46,6 +46,7 @@ jobs:
             python: 3.6
             args: >
               -DPYBIND11_FINDPYTHON=ON
+              -DCMAKE_CXX_FLAGS="-D_=1"
           - runs-on: windows-latest
             python: 3.6
             args: >
