"Peng Yu" <[EMAIL PROTECTED]> writes: I should have said in reply to your last message: this is the wrong mailing list for this question. Please take any followups to [EMAIL PROTECTED] Thanks.
> Isn't ANSI C++ a subset of POSIX C++. Why do I need to specify > _POSIX_SOURCE, _POSIX_C_SOURCE and -ansi? ANSI C is a subset of POSIX C (as far as I know C++ is not a part of POSIX). Using -ansi restricts you to ANSI C. Adding the POSIX defines tells the library to declare POSIX functions in the POSIX header files. > Would you please let me know what is the difference between the option > -ansi and -std? Please read the fine manual. Ian
