diff --git a/linker/linker_utils.h b/linker/linker_utils.h
index 34a597b..5073b10 100644
--- a/linker/linker_utils.h
+++ b/linker/linker_utils.h
@@ -47,6 +47,9 @@
 //    normalizes entry name by calling normalize_path function.
 void resolve_paths(std::vector<std::string>& paths,
                    std::vector<std::string>* resolved_paths);
+// Resolve a single path. Return empty string when the path is invalid or can't
+// be resolved.
+std::string resolve_path(const std::string& path);
 
 void split_path(const char* path, const char* delimiters, std::vector<std::string>* paths);