Errors while building ACE program

Question

Hi i am new to ACE. i just started ACE with a "HELLO WORLD" program. It compiled successfully but while building it produces some of the errors.Can anyone help me. CODE:

include

include "ace/Log_Msg.h"

include "ace/OS_main.h"

int ACE_TMAIN(int argc, ACE_TCHAR *argv[]) { ACE_DEBUG((LM_DEBUG, "Hello World\n")); return 0; }

ERROR: /tmp/cccwdbA0.o: In function main': hello.cpp:(.text+0xa): undefined reference toACE_Log_Msg::last_error_adapter()' hello.cpp:(.text+0x13): undefined reference to ACE_Log_Msg::instance()' hello.cpp:(.text+0x43): undefined reference toACE_Log_Msg::conditional_set(char const*, int, int, int)' hello.cpp:(.text+0x5f): undefined reference to `ACE_Log_Msg::log(ACE_Log_Priority, char const*, ...)' collect2: ld returned 1 exit status Compilation failed.

Answer 1

Without seeing the build commands it's hard to tell but it looks like you didn't add a link-time reference to the ACE library.