From 7713e20fd2f673091807dd7f5b3864ac8aef17f2 Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Tue, 27 Dec 2016 22:04:58 +0100
Subject: [PATCH] Fix compilation

---
 Eigen/src/UmfPackSupport/UmfPackSupport.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Eigen/src/UmfPackSupport/UmfPackSupport.h b/Eigen/src/UmfPackSupport/UmfPackSupport.h
index 3f6333a78..9568cc1d5 100644
--- a/Eigen/src/UmfPackSupport/UmfPackSupport.h
+++ b/Eigen/src/UmfPackSupport/UmfPackSupport.h
@@ -410,7 +410,7 @@ class UmfPackLU : public SparseSolverBase<UmfPackLU<_MatrixType> >
     mutable LUMatrixType m_l;
     int m_fact_errorCode;
     UmfpackControl m_control;
-    UmfpackInfo m_umfpackInfo;
+    mutable UmfpackInfo m_umfpackInfo;
 
     mutable LUMatrixType m_u;
     mutable IntColVectorType m_p;