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From: Rourou2285 <snowmantin@foxmail.com>
Date: Sat, 3 Oct 2026 17:25:38 +0800
Subject: [PATCH] Use the Eigen include directory provided by Eigen3Config.cmake
Use the Eigen include directory provided by Eigen3Config.cmake.
Upstream includes Eigen with a hardcoded "eigen3/" prefix:
#include "eigen3/Eigen/Core"
That only resolves when the headers are installed under /usr/include/eigen3,
which is the case on openEuler 24.03. On openEuler 26.09 eigen3-devel installs
them under /usr/include/eigen instead, so the build fails with:
fatal error: eigen3/Eigen/Core: No such file or directory
The target already links Eigen3::Eigen (find_package(Eigen3 REQUIRED NO_MODULE)),
and that imported target adds the correct include directory on both layouts, so
including <Eigen/Core> and <Eigen/LU> works everywhere.
Signed-off-by: Rourou2285 <snowmantin@foxmail.com>
--- a/include/kinematics_interface_kdl/kinematics_interface_kdl.hpp
+++ b/include/kinematics_interface_kdl/kinematics_interface_kdl.hpp
@@ -23,8 +23,8 @@
#include <unordered_map>
#include <vector>
-#include "eigen3/Eigen/Core"
-#include "eigen3/Eigen/LU"
+#include <Eigen/Core>
+#include <Eigen/LU>
#include "kdl/chainfksolverpos_recursive.hpp"
#include "kdl/chainfksolvervel_recursive.hpp"
#include "kdl/chainjnttojacsolver.hpp"
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