disable largefile support on x86-solaris by default

[Alan Modra]

On Sat, Nov 22, 2008 at 08:47:42AM -0800, Joel Brobecker wrote:
> --- configure.in	(revision 138937)
> +++ configure.in	(working copy)
> @@ -24,9 +24,9 @@ AC_GNU_SOURCE
>  AC_USE_SYSTEM_EXTENSIONS
>  
>  case "${target}" in
> -  sparc-*-solaris*)
> -    # On native 32bit sparc-solaris, large-file and procfs support are
> -    # mutually exclusive; and without procfs support, the elf module
> +  sparc-*-solaris*|i[[3-7]]86-*-solaris*)
> +    # On native 32bit sparc and ia32 solaris, large-file and procfs support
> +    # are mutually exclusive; and without procfs support, the elf module
>      # cannot provide certain routines such as elfcore_write_prpsinfo
>      # or elfcore_write_prstatus.  So unless the user explicitly requested
>      # large-file support through the --enable-largefile switch, disable

I'd be happier if you used changequote rather than [[ and ]] here,
simply because that's the idiom used in the rest of the file when
match i[3-7]86.  OK with that change.

-- 
Alan Modra
Australia Development Lab, IBM