diff -rupN --no-dereference commoncpp2-1.8.1/inc/cc++/string.h commoncpp2-1.8.1-new/inc/cc++/string.h
--- commoncpp2-1.8.1/inc/cc++/string.h	2010-10-31 23:49:18.000000000 +0100
+++ commoncpp2-1.8.1-new/inc/cc++/string.h	2020-02-04 23:56:43.215896768 +0100
@@ -58,6 +58,9 @@ namespace ost {
 
 class MemPager;
 
+class String;
+__EXPORT std::istream &getline(std::istream &is, String &str, char delim = '\n', size_t size = 0);
+
 /**
  * This is a generic and portable string class.  It uses optimized
  * memory allocation strategies to efficiently handle smaller string
@@ -731,7 +734,7 @@ public:
      * @param delim deliminator to use.
      * @param size optional size limitor.
      */
-    friend __EXPORT std::istream &getline(std::istream &is, String &str, char delim = '\n', size_t size = 0);
+    friend std::istream &getline(std::istream &is, String &str, char delim, size_t size);
 
     /**
      * Stream the content of our string variable directly to a C++