I'm trying to compile some C++ programs on AIX 5.3 using the GCC 4.0.0 compiler. However I keep getting unresolved symbols erros. Can anyone help me figure this out? I copied what my makefile spits out at the bottom of this email. Thanks - Mike Huffaker g++ -g -I. -I/opt/freeware/lib/gcc/powerpc-ibm-aix5.3.0.0/4.0.0/include -I/opt/freeware/lib/gcc/powerpc-ibm-aix5.3.0.0/4.0.0/include/c++ -I/usr/include -I/app/oracle/ora10g/rdbms/public -I../include -L/opt/freeware/lib/gcc/powerpc-ibm-aix5.3.0.0/4.0.0 -L/lib -L/usr/lib -L/app/oracle/ora10g/lib32 -L../lib -L/home/mhuff/source/HugoBoss/cpp/Log -lgcc -lstdc++ -lsupc++ -lncurses -lclntsh -locci -o Log.o Log.cpp ld: 0711-317 ERROR: Undefined symbol: .main ld: 0711-317 ERROR: Undefined symbol: typeinfo for std::basic_ostream<char, std::char_traits<char> > ld: 0711-317 ERROR: Undefined symbol: std::basic_ostream<char, std::char_traits<char> >::~basic_ostream() ld: 0711-317 ERROR: Undefined symbol: std::basic_ostream<char, std::char_traits<char> >::~basic_ostream() ld: 0711-317 ERROR: Undefined symbol: virtual thunk to std::basic_ostream<char, std::char_traits<char> >::~basic_ostream() ld: 0711-317 ERROR: Undefined symbol: virtual thunk to std::basic_ostream<char, std::char_traits<char> >::~basic_ostream() ld: 0711-317 ERROR: Undefined symbol: typeinfo for std::basic_ofstream<char, std::char_traits<char> > ld: 0711-317 ERROR: Undefined symbol: std::basic_ofstream<char, std::char_traits<char> >::~basic_ofstream() ld: 0711-317 ERROR: Undefined symbol: std::basic_ofstream<char, std::char_traits<char> >::~basic_ofstream() ld: 0711-317 ERROR: Undefined symbol: virtual thunk to std::basic_ofstream<char, std::char_traits<char> >::~basic_ofstream() ld: 0711-317 ERROR: Undefined symbol: virtual thunk to std::basic_ofstream<char, std::char_traits<char> >::~basic_ofstream() ld: 0711-317 ERROR: Undefined symbol: .std::basic_ofstream<char, std::char_traits<char> >::basic_ofstream() ld: 0711-317 ERROR: Undefined symbol: .std::basic_ios<char, std::char_traits<char> >::basic_ios() ld: 0711-317 ERROR: Undefined symbol: .std::basic_ios<char, std::char_traits<char> >::~basic_ios() ld: 0711-317 ERROR: Undefined symbol: .std::basic_ofstream<char, std::char_traits<char> >::~basic_ofstream() ld: 0711-345 Use the -bloadmap or -bnoquiet option to obtain more information. collect2: ld returned 8 exit status -------------------------------------------------------------------- mail2web - Check your email from the web at http://mail2web.com/ .