Compilation Error in Fedora 17 about namecoin-legacy HOT 2 CLOSED

g++ -c -O2 -g -m64 -fmessage-length=0 -D_FORTIFY_SOURCE=2 -fstack-protector -funwind-tables -fasynchronous-unwind-tables -o obj/nogui/util.o util.cpp
In file included from headers.h:97:0,
                 from util.cpp:4:
util.h: In function 'void ExitThread(unsigned int)':
util.h:742:25: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
In file included from util.cpp:6:0:
/usr/include/boost/program_options/detail/config_file.hpp: In instantiation of 'bool boost::program_options::detail::basic_config_file_iterator<charT>::getline(std::string&) [with charT = char; std::string = std::basic_string<char>]':
util.cpp:1103:1:   required from here
/usr/include/boost/program_options/detail/config_file.hpp:163:13: error: 'to_internal' was not declared in this scope, and no declarations were found by argument-dependent lookup at the point of instantiation [-fpermissive]
In file included from /usr/include/boost/program_options/detail/parsers.hpp:9:0,
                 from /usr/include/boost/program_options/parsers.hpp:265,
                 from util.cpp:7:
/usr/include/boost/program_options/detail/convert.hpp:75:34: note: 'template<class T> std::vector<std::basic_string<char> > boost::program_options::to_internal(const std::vector<T>&)' declared here, later in the translation unit
make: *** [obj/nogui/util.o] Error 1