🚀 go-pugleaf

I am having problems compiling libg++-2.4 on my RS6000.  The error received
is:

gcc -c -g -O -nostdinc++ -I. -I../. -I. -I./../iostream -I./../src -I./../g+
-include  String.cc
./../iostream/streambuf.h: In method `backupbuf::backupbuf (int (=  0 ))':
In file included from ./../iostream/iostream.h:24, from ./String.h:26, from String.c
:25:
./../iostream/streambuf.h:433: no constructor found for initialization of `streambuf

./../iostream/streambuf.h: In method `int  filebuf::do_flush ()':
./../iostream/streambuf.h:478: member `_pbase' is from private base class
./../iostream/streambuf.h:478: member `_pptr' is from private base class
./../iostream/streambuf.h:478: member `_pbase' is from private base class
./../iostream/streambuf.h:478: warning: control reaches end of non-void function
./../iostream/streambuf.h: At top level:
In file included from ./String.h:26, from String.cc:25:
./../iostream/streambuf.h:487: warning: destructor `ios::ios (struct streambuf* (=  
 ), class ostream* (=  0 ))' non-virtual
./../iostream/iostream.h:93: warning: in inheritance relationship `ostream: virtual 
os'
make: 1254-004 The error code from the last command is 1.


Can anyone please point me in the right direction?