1 files changed, 10 insertions, 0 deletions
diff --git a/extern/ceres/internal/ceres/solver_utils.h b/extern/ceres/internal/ceres/solver_utils.h
index 85fbf3776ab..298564a897d 100644
--- a/extern/ceres/internal/ceres/solver_utils.h
+++ b/extern/ceres/internal/ceres/solver_utils.h
@@ -28,9 +28,14 @@
 //
 // Author: sameeragarwal@google.com (Sameer Agarwal)
 
+#ifndef CERES_INTERNAL_SOLVER_UTILS_H_
+#define CERES_INTERNAL_SOLVER_UTILS_H_
+
 #include <algorithm>
 #include <string>
 
+#include "ceres/internal/disable_warnings.h"
+#include "ceres/internal/export.h"
 #include "ceres/iteration_callback.h"
 #include "ceres/types.h"
 
@@ -55,7 +60,12 @@ void SetSummaryFinalCost(SummaryType* summary) {
   }
 }
 
+CERES_NO_EXPORT
 std::string VersionString();
 
 }  // namespace internal
 }  // namespace ceres
+
+#include "ceres/internal/reenable_warnings.h"
+
+#endif  // CERES_INTERNAL_SOLVER_UTILS_H_