From 2d18b26c908c3ec5f598cf0c72271578101d48b6 Mon Sep 17 00:00:00 2001
From: "kodiakhq[bot]" <49736102+kodiakhq[bot]@users.noreply.github.com>
Date: Fri, 12 May 2023 09:51:26 +0000
Subject: [PATCH] Improve support for C++20 builds (#4725)

Description of changes:
- silence non-critical deprecation warning in Cython-generated code when building in C++20 mode
---
 src/python/espressomd/CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/python/espressomd/CMakeLists.txt b/src/python/espressomd/CMakeLists.txt
index 188e3e7db1e..2a18f5f6cae 100644
--- a/src/python/espressomd/CMakeLists.txt
+++ b/src/python/espressomd/CMakeLists.txt
@@ -66,7 +66,7 @@ if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
     Espresso_pyx_flags
     INTERFACE -Wno-pedantic -Wno-cpp -Wno-strict-aliasing
               -Wno-maybe-uninitialized -Wno-unused-variable
-              -Wno-deprecated-declarations)
+              -Wno-deprecated-declarations -Wno-volatile)
 elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Clang" OR CMAKE_CXX_COMPILER_ID STREQUAL
                                                  "AppleClang")
   target_compile_options(