1 files changed, 8 insertions, 3 deletions
diff --git a/extern/ceres/internal/ceres/file.h b/extern/ceres/internal/ceres/file.h
index c0015df60f0..bd13128aedf 100644
--- a/extern/ceres/internal/ceres/file.h
+++ b/extern/ceres/internal/ceres/file.h
@@ -35,21 +35,26 @@
 
 #include <string>
 
-#include "ceres/internal/port.h"
+#include "ceres/internal/disable_warnings.h"
+#include "ceres/internal/export.h"
 
 namespace ceres {
 namespace internal {
 
+CERES_NO_EXPORT
 void WriteStringToFileOrDie(const std::string& data,
                             const std::string& filename);
+CERES_NO_EXPORT
 void ReadFileToStringOrDie(const std::string& filename, std::string* data);
 
 // Join two path components, adding a slash if necessary.  If basename is an
 // absolute path then JoinPath ignores dirname and simply returns basename.
-CERES_EXPORT_INTERNAL std::string JoinPath(const std::string& dirname,
-                                           const std::string& basename);
+CERES_NO_EXPORT
+std::string JoinPath(const std::string& dirname, const std::string& basename);
 
 }  // namespace internal
 }  // namespace ceres
 
+#include "ceres/internal/reenable_warnings.h"
+
 #endif  // CERES_INTERNAL_FILE_H_