more build errors

[f1-outsourcing]

/home/software/phash/examples/imghash.cpp: In function ‘int main(int, char**)’:
/home/software/phash/examples/imghash.cpp:215:45: error: no matching function for call to ‘std::basic_ofstream::basic_ofstream(const string&, std::_Ios_Openmode)’
ofstream ostrm(outfile, ios::out|ios::trunc);
^
/home/software/phash/examples/imghash.cpp:215:45: note: candidates are:
In file included from /home/software/phash/examples/imghash.cpp:26:0:
/usr/include/c++/4.8.2/fstream:640:7: note: std::basic_ofstream<_CharT, _Traits>::basic_ofstream(const char*, std::ios_base::openmode) [with _CharT = char; _Traits = std::char_traits; std::ios_base::openmode = std::_Ios_Openmode]
basic_ofstream(const char* __s,
^
/usr/include/c++/4.8.2/fstream:640:7: note: no known conversion for argument 1 from ‘const string {aka const std::basic_string}’ to ‘const char*’
/usr/include/c++/4.8.2/fstream:625:7: note: std::basic_ofstream<_CharT, _Traits>::basic_ofstream() [with _CharT = char; _Traits = std::char_traits]
basic_ofstream(): __ostream_type(), _M_filebuf()
^
/usr/include/c++/4.8.2/fstream:625:7: note: candidate expects 0 arguments, 2 provided
/usr/include/c++/4.8.2/fstream:599:11: note: std::basic_ofstream::basic_ofstream(const std::basic_ofstream&)
class basic_ofstream : public basic_ostream<_CharT,_Traits>
^
/usr/include/c++/4.8.2/fstream:599:11: note: candidate expects 1 argument, 2 provided
/home/software/phash/examples/imghash.cpp: In function ‘int read_filenames_from_dir(const boost::filesystem::path&, std::vectorboost::filesystem::path&)’:
/home/software/phash/examples/imghash.cpp:241:14: error: expected unqualified-id before ‘&&’ token
for (auto &&entry : fs::directory_iterator(dname)){
^
/home/software/phash/examples/imghash.cpp:241:14: error: expected ‘;’ before ‘&&’ token
/home/software/phash/examples/imghash.cpp:241:22: error: expected ‘;’ before ‘:’ token
for (auto &&entry : fs::directory_iterator(dname)){
^
/home/software/phash/examples/imghash.cpp:241:22: error: expected primary-expression before ‘:’ token
/home/software/phash/examples/imghash.cpp:241:22: error: expected ‘)’ before ‘:’ token
/home/software/phash/examples/imghash.cpp:241:22: error: expected primary-expression before ‘:’ token
/home/software/phash/examples/imghash.cpp:241:22: error: expected ‘;’ before ‘:’ token
/home/software/phash/examples/imghash.cpp:241:16: error: label ‘entry’ used but not defined
for (auto &&entry : fs::directory_iterator(dname)){
^
/home/software/phash/examples/imghash.cpp: In function ‘int find_stats(const std::vector&, double&, double&, double&, double&)’:
/home/software/phash/examples/imghash.cpp:390:20: error: range-based ‘for’ loops are not allowed in C++98 mode
for (double val : values){
^