1 files changed, 8 insertions, 3 deletions
diff --git a/extern/ceres/internal/ceres/scratch_evaluate_preparer.h b/extern/ceres/internal/ceres/scratch_evaluate_preparer.h
index 2d2745d6269..3f4e7df8de0 100644
--- a/extern/ceres/internal/ceres/scratch_evaluate_preparer.h
+++ b/extern/ceres/internal/ceres/scratch_evaluate_preparer.h
@@ -37,6 +37,9 @@
 
 #include <memory>
 
+#include "ceres/internal/disable_warnings.h"
+#include "ceres/internal/export.h"
+
 namespace ceres {
 namespace internal {
 
@@ -44,11 +47,11 @@ class Program;
 class ResidualBlock;
 class SparseMatrix;
 
-class ScratchEvaluatePreparer {
+class CERES_NO_EXPORT ScratchEvaluatePreparer {
  public:
   // Create num_threads ScratchEvaluatePreparers.
-  static ScratchEvaluatePreparer* Create(const Program& program,
-                                         int num_threads);
+  static std::unique_ptr<ScratchEvaluatePreparer[]> Create(
+      const Program& program, int num_threads);
 
   // EvaluatePreparer interface
   void Init(int max_derivatives_per_residual_block);
@@ -66,4 +69,6 @@ class ScratchEvaluatePreparer {
 }  // namespace internal
 }  // namespace ceres
 
+#include "ceres/internal/reenable_warnings.h"
+
 #endif  // CERES_INTERNAL_SCRATCH_EVALUATE_PREPARER_H_