1 files changed, 9 insertions, 4 deletions
diff --git a/extern/ceres/internal/ceres/schur_jacobi_preconditioner.h b/extern/ceres/internal/ceres/schur_jacobi_preconditioner.h
index 372b790b82f..a43bc3388a1 100644
--- a/extern/ceres/internal/ceres/schur_jacobi_preconditioner.h
+++ b/extern/ceres/internal/ceres/schur_jacobi_preconditioner.h
@@ -43,6 +43,8 @@
 #include <utility>
 #include <vector>
 
+#include "ceres/internal/disable_warnings.h"
+#include "ceres/internal/export.h"
 #include "ceres/preconditioner.h"
 
 namespace ceres {
@@ -69,10 +71,11 @@ class SchurEliminatorBase;
 //   options.elimination_groups.push_back(num_cameras);
 //   SchurJacobiPreconditioner preconditioner(
 //      *A.block_structure(), options);
-//   preconditioner.Update(A, NULL);
+//   preconditioner.Update(A, nullptr);
 //   preconditioner.RightMultiply(x, y);
 //
-class SchurJacobiPreconditioner : public BlockSparseMatrixPreconditioner {
+class CERES_NO_EXPORT SchurJacobiPreconditioner
+    : public BlockSparseMatrixPreconditioner {
  public:
   // Initialize the symbolic structure of the preconditioner. bs is
   // the block structure of the linear system to be solved. It is used
@@ -81,11 +84,11 @@ class SchurJacobiPreconditioner : public BlockSparseMatrixPreconditioner {
   // It has the same structural requirement as other Schur complement
   // based solvers. Please see schur_eliminator.h for more details.
   SchurJacobiPreconditioner(const CompressedRowBlockStructure& bs,
-                            const Preconditioner::Options& options);
+                            Preconditioner::Options options);
   SchurJacobiPreconditioner(const SchurJacobiPreconditioner&) = delete;
   void operator=(const SchurJacobiPreconditioner&) = delete;
 
-  virtual ~SchurJacobiPreconditioner();
+  ~SchurJacobiPreconditioner() override;
 
   // Preconditioner interface.
   void RightMultiply(const double* x, double* y) const final;
@@ -104,4 +107,6 @@ class SchurJacobiPreconditioner : public BlockSparseMatrixPreconditioner {
 }  // namespace internal
 }  // namespace ceres
 
+#include "ceres/internal/reenable_warnings.h"
+
 #endif  // CERES_INTERNAL_SCHUR_JACOBI_PRECONDITIONER_H_