configure.ac: Fixup for "Require libpciaccess for int10"

configure.ac: Fixup for "Require libpciaccess for int10"

On 16/11/2013 01:00, Connor Behan wrote:
> A --disable-pciaccess build will fail with an int10 module other than
> stub.
>
> Signed-off-by: Connor Behan <connor.behan-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> ---
>  configure.ac | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/configure.ac b/configure.ac
> index 5e621e0..a843770 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -1822,6 +1822,9 @@ if test "x$XORG" = xyes; then
>  		if test "x$CONFIG_UDEV_KMS" = xyes; then
>  			AC_MSG_ERROR([Platform device enumeration requires libpciaccess])
>  		fi
> +		if test "x$INT10" != xstub; then
> +			AC_MSG_ERROR([Cannot build int10 without libpciaccess])
> +		fi
>  	fi
>  	AC_MSG_RESULT([$PCI])
>

This causes my build to fail where --disable-int10-module --disable-pciaccess
is the default (as INT10 still has the default value 'x86emu')

Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
Reviewed-by: Jeremy Huddleston Sequoia <jeremyhu@apple.com>
Tested-by: Jeremy Huddleston Sequoia <jeremyhu@apple.com>
Signed-off-by: Keith Packard <keithp@keithp.com>