# include STL_FSTREAM
# include STL_IOSTREAM
SG_USING_STD(string);
- SG_USING_STD(ostream);
- SG_USING_STD(istream);
- SG_USING_STD(cerr);
- SG_USING_STD(cout);
- SG_USING_STD(endl);
+# if !defined(SG_HAVE_NATIVE_SGI_COMPILERS)
+ SG_USING_STD(ostream);
+ SG_USING_STD(istream);
+ SG_USING_STD(cerr);
+ SG_USING_STD(cout);
+ SG_USING_STD(endl);
+# endif
#else
# include <fstream>
# include <cmath>