From 5abd88de315daf2eb72971e6d1d233a3c77f09d5 Mon Sep 17 00:00:00 2001
From: thysson2701 <thysson2701@gmail.com>
Date: Tue, 21 Jul 2026 14:24:00 +0200
Subject: [PATCH] fix(build): add Eigen3::Eigen alias for CMake target
 compatibility

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

diff --git a/deps_src/eigen/CMakeLists.txt b/deps_src/eigen/CMakeLists.txt
index d4b2509b3b9..bd9cd4d358b 100644
--- a/deps_src/eigen/CMakeLists.txt
+++ b/deps_src/eigen/CMakeLists.txt
@@ -10,3 +10,6 @@ target_include_directories(eigen SYSTEM
 
 # Eigen is header-only, so we only need to specify the include directory
 # The headers are in the Eigen/ subdirectory structure
+
+# Alias so that targets linking Eigen3::Eigen also work
+add_library(Eigen3::Eigen ALIAS eigen)