include Eigen2/3 headers optionally, for greater flexibility

1a2fee0d · Vadim Pisarevsky · 96e12713 · 1a2fee0d
Commit 1a2fee0d authored Sep 22, 2010 by Vadim Pisarevsky
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eigen.hpp modules/core/include/opencv2/core/eigen.hpp +2 -0

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--- a/modules/core/include/opencv2/core/eigen.hpp
+++ b/modules/core/include/opencv2/core/eigen.hpp
@@ -46,7 +46,9 @@
 #ifdef __cplusplus

 #include "cxcore.h"
+#ifndef EIGEN_CORE_H
 #include <Eigen/Core>
+#endif

 namespace cv
 {