diff -Naur git_org/cmake/external/eigen/Eigen/src/Core/products/GeneralBlockPanelKernel.h git/cmake/external/eigen/Eigen/src/Core/products/GeneralBlockPanelKernel.h
--- git_org/cmake/external/eigen/Eigen/src/Core/products/GeneralBlockPanelKernel.h	2019-07-17 15:27:59.540667336 -0500
+++ git/cmake/external/eigen/Eigen/src/Core/products/GeneralBlockPanelKernel.h	2019-07-17 15:30:16.000000000 -0500
@@ -1076,8 +1076,9 @@
     dest = *b;
   }
 
-  EIGEN_STRONG_INLINE void updateRhs(const RhsScalar* b, RhsPacketx4& dest) const
-  {}
+  EIGEN_STRONG_INLINE void updateRhs(const RhsScalar*, RhsPacketx4&) const
+  {
+  }
 
   EIGEN_STRONG_INLINE void loadRhsQuad(const RhsScalar* b, RhsPacket& dest) const
   {
@@ -1145,8 +1146,9 @@
     loadRhs(b,dest);
   }
 
-  EIGEN_STRONG_INLINE void updateRhs(const RhsScalar* b, RhsPacketx4& dest) const
-  {}
+  EIGEN_STRONG_INLINE void updateRhs(const RhsScalar*, RhsPacketx4&) const
+  {
+  }
 
   EIGEN_STRONG_INLINE void loadRhsQuad(const RhsScalar* b, RhsPacket& dest) const
   {