From 041eab7155c68c689a08b5300a1f4a83b84ddbd1 Mon Sep 17 00:00:00 2001
From: AI-anonymous <ai-budget@zky.de>
Date: Wed, 20 May 2026 00:11:47 +0200
Subject: [PATCH] Force global pre-cxx11 ABI for sub-projects to resolve
 linking issues on Linux

---
 CMakeLists.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3d4d36d..e2913cf 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -26,6 +26,9 @@ option(FCES_ENABLE_OPENMP "Enable OpenMP for parallel evolution" ON)
 
 # libtorch (PyTorch C++ API)
 find_package(Torch REQUIRED)
+if(NOT MSVC)
+    add_compile_definitions(_GLIBCXX_USE_CXX11_ABI=0)
+endif()
 
 # OpenMP (optional, for parallel population evaluation)
 if(FCES_ENABLE_OPENMP)