Re: 6.0_BETA: unistd.h breaks pcc

[Joerg Sonnenberger <joerg%britannica.bec.de@localhost>]

On Sat, Mar 10, 2012 at 10:25:35AM +0300, Aleksey Cheusov wrote:
> Inclusion of unistd.h breaks compilation with pcc.
> 
>    /usr/include//unistd.h, line 277: warning: unsupported attribute 
> '__returns_twice__'
> 
> unistd.h:
>    276 #ifndef __LIBC12_SOURCE__
>    277 pid_t<-> vfork(void) __RENAME(__vfork14) __returns_twice;
>    278 #endif
> 
> __returns_twice is also used in setjmp.h and ucontext.h.
> 
> It would be nice to fix this in netbsd-6.

The attribute is set for GCC 4.1 and later. If PCC claims to be that and
it doesn't support it, it's broken. In short, not a NetBSD problem.

Joerg