compile error

[MALET Jean-Luc]

here is the errors i get when trying to compile ddd.....
can someone help?
thx

bash-2.05b# make
Making all in readline
make[1]: Entering directory `/usr/src/ddd-3.3/readline'
make[1]: Nothing to be done for `all'.
make[1]: Leaving directory `/usr/src/ddd-3.3/readline'
Making all in vsllib
make[1]: Entering directory `/usr/src/ddd-3.3/vsllib'
make[1]: Nothing to be done for `all'.
make[1]: Leaving directory `/usr/src/ddd-3.3/vsllib'
Making all in themes
make[1]: Entering directory `/usr/src/ddd-3.3/themes'
make[1]: Nothing to be done for `all'.
make[1]: Leaving directory `/usr/src/ddd-3.3/themes'
Making all in ddd
make[1]: Entering directory `/usr/src/ddd-3.3/ddd'
c++ -DHAVE_CONFIG_H -I. -I. -I. -I./.. -isystem /usr/X11R6/include 
-DNDEBUG -O2 -g -W -Wall -trigraphs  -c strclass.C
In file included from 
/opt/gcc/3.2.2/include/c++/3.2.2/backward/iostream.h:31,
                 from strclass.h:412,
                 from strclass.C:41:
/opt/gcc/3.2.2/include/c++/3.2.2/backward/backward_warning.h:32:2: 
warning: #warning This file includes at least one deprecated or 
antiquated header. Please consider using one of the 32 headers found in 
section 17.4.1.2 of the C++ standard. Examples include substituting the 
<X> header for the <X.h> header for C++ includes, or <sstream> instead 
of the deprecated header <strstream.h>. To disable this warning use 
-Wno-deprecated.
In file included from strclass.C:41:
strclass.h: In function `string operator+(const string&, const string&)':
strclass.h:1302: warning: the named return value extension is deprecated,
   please see the documentation for details
strclass.h: In function `string operator+(const string&, const subString&)':
strclass.h:1307: warning: the named return value extension is deprecated,
   please see the documentation for details
strclass.h: In function `string operator+(const string&, const char*)':
strclass.h:1312: warning: the named return value extension is deprecated,
   please see the documentation for details
strclass.h: In function `string operator+(const string&, char*)':
strclass.h:1317: warning: the named return value extension is deprecated,
   please see the documentation for details
strclass.h: In function `string operator+(const string&, char)':
strclass.h:1322: warning: the named return value extension is deprecated,
   please see the documentation for details
strclass.h: In function `string operator+(const subString&, const string&)':
strclass.h:1327: warning: the named return value extension is deprecated,
   please see the documentation for details
strclass.h: In function `string operator+(const subString&, const 
subString&)':
strclass.h:1332: warning: the named return value extension is deprecated,
   please see the documentation for details
strclass.h: In function `string operator+(const subString&, const char*)':
strclass.h:1337: warning: the named return value extension is deprecated,
   please see the documentation for details
strclass.h: In function `string operator+(const subString&, char*)':
strclass.h:1342: warning: the named return value extension is deprecated,
   please see the documentation for details
strclass.h: In function `string operator+(const subString&, char)':
strclass.h:1347: warning: the named return value extension is deprecated,
   please see the documentation for details
strclass.h: In function `string operator+(const char*, const string&)':
strclass.h:1352: warning: the named return value extension is deprecated,
   please see the documentation for details
strclass.h: In function `string operator+(const char*, const subString&)':
strclass.h:1357: warning: the named return value extension is deprecated,
   please see the documentation for details
strclass.h: In function `string operator+(char*, const string&)':
strclass.h:1362: warning: the named return value extension is deprecated,
   please see the documentation for details
strclass.h: In function `string operator+(char*, const subString&)':
strclass.h:1367: warning: the named return value extension is deprecated,
   please see the documentation for details
strclass.h: In function `string operator+(char, const string&)':
strclass.h:1372: warning: the named return value extension is deprecated,
   please see the documentation for details
strclass.h: In function `string operator+(char, const subString&)':
strclass.h:1377: warning: the named return value extension is deprecated,
   please see the documentation for details
strclass.h: In function `string reverse(const string&)':
strclass.h:1382: warning: the named return value extension is deprecated,
   please see the documentation for details
strclass.h: In function `string upcase(const string&)':
strclass.h:1387: warning: the named return value extension is deprecated,
   please see the documentation for details
strclass.h: In function `string downcase(const string&)':
strclass.h:1392: warning: the named return value extension is deprecated,
   please see the documentation for details
strclass.h: In function `string capitalize(const string&)':
strclass.h:1397: warning: the named return value extension is deprecated,
   please see the documentation for details
strclass.C: In function `string join(string*, int, const string&)':
strclass.C:1155: warning: the named return value extension is deprecated,
   please see the documentation for details
strclass.C: In function `string replicate(const string&, int)':
strclass.C:1282: warning: the named return value extension is deprecated,
   please see the documentation for details
strclass.C: In function `string common_prefix(const string&, const string&,
   int)':
strclass.C:1294: warning: the named return value extension is deprecated,
   please see the documentation for details
strclass.C: In function `string common_suffix(const string&, const string&,
   int)':
strclass.C:1312: warning: the named return value extension is deprecated,
   please see the documentation for details
strclass.C: In function `std::istream& operator>>(std::istream&, string&)':
strclass.C:1439: invalid conversion from `int' to `std::_Ios_Iostate'
strclass.C:1439:   initializing argument 1 of `void std::basic_ios<_CharT,
   _Traits>::clear(std::_Ios_Iostate) [with _CharT = char, _Traits =
   std::char_traits<char>]'
make[1]: *** [strclass.o] Error 1
make[1]: Leaving directory `/usr/src/ddd-3.3/ddd'
make: *** [all-recursive] Error 1