diff -r e1b950c65cb4 -r 837f303aceeb epoc32/include/stdapis/stlportv5/stl/_check_config.h
--- a/epoc32/include/stdapis/stlportv5/stl/_check_config.h	Wed Mar 31 12:27:01 2010 +0100
+++ b/epoc32/include/stdapis/stlportv5/stl/_check_config.h	Wed Mar 31 12:33:34 2010 +0100
@@ -1,32 +1,19 @@
 // This file is reserved to site configuration purpose
 // and should NEVER be overridden by user
 
-# if defined ( _STLP_NO_OWN_IOSTREAMS )
-
-// User choose not to use SGI iostreams, which means no
-// precompiled library will be used and he is free to override
-// any STLport configuration flags
-
-# else
-
-// The following will be defined in stl_config.h :
-// # define _STLP_OWN_IOSTREAMS 1
-# endif
-
 /*
  *  Consistency check : if we use SGI iostreams, we have to use consistent
  *  thread model (single-threaded or multi-threaded) with the compiled library
- *  
+ *
  *  Default is multithreaded build. If you want to build and use single-threaded
  *  STLport, please change _STLP_NOTHREADS configuration setting above and rebuild the library
  *
  */
 
-# if defined (_STLP_OWN_IOSTREAMS) \
-  && !defined (_STLP_NO_THREADS) && !defined (_REENTRANT)
+# if !defined(_STLP_USE_NO_IOSTREAMS) && !defined(_STLP_NO_THREADS) && !defined(_REENTRANT)
 
 #  if defined(_MSC_VER) && !defined(__MWERKS__) && !defined (__COMO__) && !defined(_MT)
-#   error "Only multi-threaded runtime library may be linked with STLport!"  
+#   error "Only multi-threaded runtime library may be linked with STLport!"
 #  endif
 
 // boris : you may change that to build non-threadsafe STLport library