Re: g++ flag?

[Hendrik Belitz]

Default User wrote:

> Abhisek Sinha wrote:
> 
>> Earlier compilers used to take the default return type of any function
>> to be int.
>> g++, in this case where ther is no return type specified gives error
>> as
>> error: ISO C++ forbids declaration of `main' with no type
> 
> That is correct, it's illegal.
> 
>> can this be disabled using any g++ flag in 3.3.3

This is for backward compability and the compilation of legacy code, I
think.

>> It is to be noted that gcc(3.3.2) does not throw any any error even if
>> there is no return type.
>> Not even with -ansi and -pedantic flag

That's only true if you activate the flag. Regarding my experience, the gcc
3.3.x is very rigourous in reporting such things, especially when using
-ansi and/or -pedantic.

> gcc is a C compiler and not a C++ compiler.

Well, that's wrong, since gcc is the Gnu Compiler Collection, which
supports C, C++, Java and many more...

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Dipl.-Inform. Hendrik Belitz
Central Institute of Electronics
Research Center Juelich