Generify source code

Previously we would fail in some parts of the code if we did not have a
premade configuration, now we use any code that was marked as Linux, BSD and
Solaris as our basis in order to support building unknown Unix systems.

cde/programs/dtsearchpath/libCliSrv/TTFile.h

@@ -65,11 +65,7 @@ class TTFile : public CString {
   };
 #else
   void TT_Exception (char *);
-#if defined(__linux__) || defined(CSRG_BASED) || defined(sun)
   friend std::ostream & operator<< (std::ostream &, TTFile &);
-#else
-  friend ostream & operator<< (ostream &, TTFile &);
-#endif
 #endif
 
   int  ttFileOpFailed () { return status != TT_OK; }