[PATCH xf86-input-evdev] Allow multitouch support to be disabled

[Peter Hutterer]

On 18/10/12 20:32 , Thierry Reding wrote:
> Instead of always automatically including multitouch support if the
> mtdev library is installed, the new --disable-multitouch option can
> be used to forcefully disable multitouch support in the driver.

uhm. seems a bit like the proverbial sledgehammer. what's the reason for 
this?

Cheers,
   Peter

> Signed-off-by: Thierry Reding <thierry.reding at avionic-design.de>
> ---
>   configure.ac | 19 +++++++++++++------
>   1 file changed, 13 insertions(+), 6 deletions(-)
>
> diff --git a/configure.ac b/configure.ac
> index dff2bcf..ed80ca1 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -50,12 +50,19 @@ PKG_CHECK_MODULES(UDEV, libudev)
>
>   PKG_CHECK_MODULES(XI22, [inputproto >= 2.1.99.3] [xorg-server >= 1.11.99.901], HAVE_XI22="yes", HAVE_XI22="no")
>
> -if test "x$HAVE_XI22" = xyes; then
> -        # Obtain compiler/linker options for mtdev
> -        PKG_CHECK_MODULES(MTDEV, mtdev, HAVE_MTDEV="yes", HAVE_MTDEV="no")
> -fi
> -if test "x$HAVE_XI22" = xyes && test "x$HAVE_MTDEV" = xyes; then
> -        AC_DEFINE(MULTITOUCH, 1, [XI2.2 available])
> +AC_ARG_ENABLE(multitouch,
> +              AS_HELP_STRING([--disable-multitouch],
> +                             [Disable multitouch support (default: no)]),
> +              [], [enable_multitouch=yes])
> +
> +if test "x$enable_multitouch" != "xno"; then
> +        if test "x$HAVE_XI22" = xyes; then
> +                # Obtain compiler/linker options for mtdev
> +                PKG_CHECK_MODULES(MTDEV, mtdev, HAVE_MTDEV="yes", HAVE_MTDEV="no")
> +        fi
> +        if test "x$HAVE_XI22" = xyes && test "x$HAVE_MTDEV" = xyes; then
> +                AC_DEFINE(MULTITOUCH, 1, [XI2.2 available])
> +        fi
>   fi
>
>   # Define a configure option for an alternate input module directory
>