From 034b8a7de6af2e1b6673f5749da92933e1f5e271 Mon Sep 17 00:00:00 2001
From: "Ralf W. Grosse-Kunstleve" <rwgk@google.com>
Date: Tue, 13 Aug 2024 22:08:01 -0700
Subject: [PATCH] Fix misunderstanding.

---
 .github/workflows/ci.yml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1c5f394be..370d66754 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -71,15 +71,15 @@ jobs:
           - runs-on: ubuntu-latest
             python: '3.12'
             args: >
-              -DPYBIND11_USE_SMART_HOLDER_AS_DEFAULT
+              -DCMAKE_CXX_FLAGS="-DPYBIND11_USE_SMART_HOLDER_AS_DEFAULT"
           - runs-on: macos-13
             python: '3.12'
             args: >
-              -DPYBIND11_USE_SMART_HOLDER_AS_DEFAULT
+              -DCMAKE_CXX_FLAGS="-DPYBIND11_USE_SMART_HOLDER_AS_DEFAULT"
           - runs-on: windows-2022
             python: '3.12'
             args: >
-              -DPYBIND11_USE_SMART_HOLDER_AS_DEFAULT
+              -DCMAKE_CXX_FLAGS="/DPYBIND11_USE_SMART_HOLDER_AS_DEFAULT"
 
     name: "🐍 ${{ matrix.python }} • ${{ matrix.runs-on }} • x64 ${{ matrix.args }}"
     runs-on: ${{ matrix.runs-on }}