Hi All Since compilation failed on Ubuntu 8.10 thought to give a try on rhel 5 32bit but no luck had all the No such file or directory error message posted in the early mail and also got this error message run make and got the below errors debug.o: In function `operator<< <std::char_traits<char> >': /usr/include/c++/4.3/ostream:517: undefined reference to `std::basic_ostream<char, std::char_traits<char> >& std::__ostream_insert<char, std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&, char const*, int)' /usr/include/c++/4.3/ostream:517: undefined reference to `std::basic_ostream<char, std::char_traits<char> >& std::__ostream_insert<char, std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&, char const*, int)' debug.o: In function `operator<< <std::char_traits<char> >': /home/remy/rnd/squid-3.1.0.2/src/debug.cc:776: undefined reference to `std::basic_ostream<char, std::char_traits<char> >& std::__ostream_insert<char, std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&, char const*, int)' debug.o: In function `operator<< <std::char_traits<char> >': /usr/include/c++/4.3/ostream:517: undefined reference to `std::basic_ostream<char, std::char_traits<char> >& std::__ostream_insert<char, std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&, char const*, int)' /usr/include/c++/4.3/ostream:517: undefined reference to `std::basic_ostream<char, std::char_traits<char> >& std::__ostream_insert<char, std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&, char const*, int)' debug.o:/home/remy/rnd/squid-3.1.0.2/src/debug.cc:778: more undefined references to `std::basic_ostream<char, std::char_traits<char> >& std::__ostream_insert<char, std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&, char const*, int)' follow collect2: ld returned 1 exit status make[1]: *** [cf_gen] Error 1 make[1]: Leaving directory `/root/squid-3.1.0.2/src' make: *** [all-recursive] Error 1 need help what should i do next to solve the above errors? Regards Remy