Re: [Bug-gnulib] sysexits.h

[Simon Josefsson]

Bruno Haible <address@hidden> writes:

> Paul Eggert wrote:
>> It is certainly relevant from the point of the C and POSIX standards.
>> They both require that every C translation unit must contain at least
>> one external declaration.  "gcc -pedantic" checks for this.
>
> Does "typedef int dummy;" count as such an external declaration? I.e.
> will it work to write
>
>   #ifndef ELIDE_CODE
>     ... much code ,,.
>   #else
>     typedef int dummy;
>   #endif

IIRC, it has to be something that ends up in the object code.  I used
'static int dummy;' or something similar.