1 files changed, 9 insertions, 3 deletions
diff --git a/extern/ceres/internal/ceres/dense_qr_solver.h b/extern/ceres/internal/ceres/dense_qr_solver.h
index 980243bd6c6..39922a2692b 100644
--- a/extern/ceres/internal/ceres/dense_qr_solver.h
+++ b/extern/ceres/internal/ceres/dense_qr_solver.h
@@ -32,8 +32,12 @@
 #ifndef CERES_INTERNAL_DENSE_QR_SOLVER_H_
 #define CERES_INTERNAL_DENSE_QR_SOLVER_H_
 
+#include <memory>
+
+#include "ceres/dense_qr.h"
+#include "ceres/internal/disable_warnings.h"
 #include "ceres/internal/eigen.h"
-#include "ceres/internal/port.h"
+#include "ceres/internal/export.h"
 #include "ceres/linear_solver.h"
 
 namespace ceres {
@@ -79,7 +83,7 @@ class DenseSparseMatrix;
 // library. This solver always returns a solution, it is the user's
 // responsibility to judge if the solution is good enough for their
 // purposes.
-class CERES_EXPORT_INTERNAL DenseQRSolver : public DenseSparseMatrixSolver {
+class CERES_NO_EXPORT DenseQRSolver final : public DenseSparseMatrixSolver {
  public:
   explicit DenseQRSolver(const LinearSolver::Options& options);
 
@@ -105,10 +109,12 @@ class CERES_EXPORT_INTERNAL DenseQRSolver : public DenseSparseMatrixSolver {
   const LinearSolver::Options options_;
   ColMajorMatrix lhs_;
   Vector rhs_;
-  Vector work_;
+  std::unique_ptr<DenseQR> dense_qr_;
 };
 
 }  // namespace internal
 }  // namespace ceres
 
+#include "ceres/internal/reenable_warnings.h"
+
 #endif  // CERES_INTERNAL_DENSE_QR_SOLVER_H_