Re: [Dev-C++] Compilation of multiple files

[Jan M. <jan...@vo...>]

Thank you very much boys & boys.
I am a little bit better C-er again.

Jan Mura
----- Original Message ----- 
From: "Jonathan Winterflood" <jon...@gm...>
To: "Per Westermark" <pw...@ia...>
Cc: "Jan Mura" <jan...@vo...>; <dev...@li...>
Sent: Tuesday, July 10, 2007 6:43 PM
Subject: Re: [Dev-C++] Compilation of multiple files


> Indeed, the preprocessor directives you use aren't well placed:
>
> Firstly:
> You use
> #ifndef __stdio_h__
> #include<stdio.h>
> #define __stdio_h__
> #endif
> in your files as to not include stdio.h multiple times.
> however, stdio.h (and any properly built .h file) already deals with this
> issue (mostly the same way you did):
>
> something.h:
> #ifndef __something_h__
> //
> // body of something.h
> //
> #define __something_h__
> #endif
>
> source and header files using something.h:
> #include "something.h"
>
> Secondly:
> This mecanism only prevents the multiple inclusion of the .h
> file on the same compilation run, but every .c file is compiled seperately
> and then linked together to save effort (imagine recompiling a 300+ file
> project (or even a 10-file one) just to change one small thing in one file
> :D )
>
> Jonathan
>
>
>
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