1 files changed, 5 insertions, 3 deletions
diff --git a/extern/ceres/internal/ceres/line_search_preprocessor.h b/extern/ceres/internal/ceres/line_search_preprocessor.h
index bd426c7f2f6..27e9c2db9b9 100644
--- a/extern/ceres/internal/ceres/line_search_preprocessor.h
+++ b/extern/ceres/internal/ceres/line_search_preprocessor.h
@@ -31,15 +31,15 @@
 #ifndef CERES_INTERNAL_LINE_SEARCH_PREPROCESSOR_H_
 #define CERES_INTERNAL_LINE_SEARCH_PREPROCESSOR_H_
 
-#include "ceres/internal/port.h"
+#include "ceres/internal/disable_warnings.h"
+#include "ceres/internal/export.h"
 #include "ceres/preprocessor.h"
 
 namespace ceres {
 namespace internal {
 
-class CERES_EXPORT_INTERNAL LineSearchPreprocessor : public Preprocessor {
+class CERES_NO_EXPORT LineSearchPreprocessor final : public Preprocessor {
  public:
-  virtual ~LineSearchPreprocessor();
   bool Preprocess(const Solver::Options& options,
                   ProblemImpl* problem,
                   PreprocessedProblem* preprocessed_problem) final;
@@ -48,4 +48,6 @@ class CERES_EXPORT_INTERNAL LineSearchPreprocessor : public Preprocessor {
 }  // namespace internal
 }  // namespace ceres
 
+#include "ceres/internal/reenable_warnings.h"
+
 #endif  // CERES_INTERNAL_LINE_SEARCH_PREPROCESSOR_H_