Re: configure.in support for FreeBSD ia64/sparc64/powerpc

[Chong Yidong <cyd@stupidchicken.com>]

Giorgos Keramidas <keramida@ceid.upatras.gr> writes:

> The following change makes Emacs buildable on FreeBSD running on
> sparc64, ia64 and powerpc too.  It has been tested for some time as a
> local patch in the editors/emacs-devel port of FreeBSD, so it would be
> nice if it became part of Emacs 22.  We won't have to maintain local
> diffs for this part then:
>
> --- a/src/alloc.c	Fri Oct 27 15:45:51 2006 +0000
> +++ b/src/alloc.c	Sat Oct 28 01:49:45 2006 +0300
> @@ -4560,7 +4560,11 @@ mark_stack ()
>       needed on ia64 too.  See mach_dep.c, where it also says inline
>       assembler doesn't work with relevant proprietary compilers.  */
>  #ifdef sparc
> +#ifdef __sparc64__
> +  asm ("flushw");
> +#else
>    asm ("ta 3");
> +#endif
>  #endif

Is this change correct for non-FreeBSD sparc64 systems too?  (I don't
know anything about this part of the code.)