[GRASS5] Re: compiling CVS version

[Bill Hughes]

On Wed, 9 Feb 2000 17:08:58  Bill Brown - staff asked:

> Now I get these messages on every file it compiles:

> cfe: Error: /disk56/grass.src/CVS/grass/src/include/gisdefs.h, line 278: Syntax Error
>  int G_fatal_error(char *,...) __attribute__ ((__noreturn__));
> What's this __attribute__ suppose to do?

gcc uses this syntax to set return attributes for the function; in this case, it
says that G_fatal_error() does not return (it exit()-s instead.)  This quiets
the warnings about "no return at end of function" when the 'lint' program or
'gcc -Wall' is used.

The GRASS code will compile without it.

How does your compiler declare a non-returning function?

Bill Hughes

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