diff -Nru eigen3-3.3.5.orig/eigen/unsupported/Eigen/IterativeSolvers eigen3-3.3.5/eigen/unsupported/Eigen/IterativeSolvers
--- eigen3-3.3.5.orig/eigen/unsupported/Eigen/IterativeSolvers	2018-07-23 11:33:42.000000000 +0200
+++ eigen3-3.3.5/eigen/unsupported/Eigen/IterativeSolvers	2018-08-22 20:35:02.966001027 +0200
@@ -33,7 +33,7 @@
 #include "../../Eigen/Jacobi"
 #include "../../Eigen/Householder"
 #include "src/IterativeSolvers/GMRES.h"
-#include "src/IterativeSolvers/DGMRES.h"
+//#include "src/IterativeSolvers/DGMRES.h"
 //#include "src/IterativeSolvers/SSORPreconditioner.h"
 #include "src/IterativeSolvers/MINRES.h"