gcc 3.4 problem with std::streampos in lyx 1.3.4

[Jan Killius]

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Hello,
I have tried to compile lyx 1.3.4 with gcc 3.4 but it did not work. Here is 
the error message:
cpp_regex_traits.cpp:875:   instantiated from here
cpp_regex_traits.cpp:164: error: no match for 'operator<=' in 'sp <= size'
cpp_regex_traits.cpp:166: error: `class std::streampos' used where a 
`std::streamsize' was expected
And here is the code that did cause the error:

template<class charT, class traits>
typename parser_buf<charT, traits>::pos_type
parser_buf<charT, traits>::seekpos(pos_type sp, ::std::ios_base::openmode 
which)                                           {
   if(which & ::std::ios_base::out)
      return pos_type(off_type(-1));
   std::ptrdiff_t size = this->egptr() - this->eback();
   charT* g = this->eback();
   if(sp <= size) // line 164
   {
      this->setg(g, g + ::std::streamsize(sp), g + // line 166 
size);                                                                     }
   return pos_type(off_type(-1));
}
how can the problem be solved ?
- -- 
        Jan
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