[PATCH synaptics] Fail if no backends can be found

[Chase Douglas]

On 05/01/2012 04:17 PM, Peter Hutterer wrote:
> Apparently the driver broke on Solaris when the backends were made optional
> in cf451f34e3bdd52a4eb072ce9f4b514eb83a1cfc. The driver would still build,
> but without backends there it has limited usefulness.
> 
> Signed-off-by: Peter Hutterer <peter.hutterer at who-t.net>
> ---
>  configure.ac |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/configure.ac b/configure.ac
> index dbf3fec..5c2c25d 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -120,7 +120,7 @@ case "${host}" in
>  	BUILD_PS2COMM="yes"
>  	;;
>  *)
> -	AC_MSG_RESULT([none])
> +	AC_MSG_ERROR("Cannot find suitable backends for this platform.")
>  	;;
>  esac
>  if test "x$BUILD_EVENTCOMM" = xyes; then

Looks good to me.

Reviewed-by: Chase Douglas <chase.douglas at canonical.com>