[Glamor] [PATCH] Fix configure to disable building Dri3 support when GBM v9 is missing

[gongzg]

LGTM, pushed, thanks.

On Sun, Dec 08, 2013 at 11:30:32AM +0100, Axel Davy wrote:
> 
> Signed-off-by: Axel Davy <axel.davy at ens.fr>
> Signed-off-by: Gaetan Nadon <memsize at videotron.ca>
> ---
>  configure.ac | 7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)
> 
> diff --git a/configure.ac b/configure.ac
> index 21bc794..5246dbb 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -62,6 +62,7 @@ LIBPIXMAN="pixman-1 >= 0.21.8"
>  LIBEGL="egl"
>  LIBGLESV2="glesv2"
>  LIBGBM="gbm"
> +LIBGBMv9="gbm >= 9"
>  
>  # Define a configure option for an alternate input module directory
>  AC_ARG_WITH(xorg-module-dir,
> @@ -134,10 +135,12 @@ if test "x$EGL = xyes"; then
>     fi
>  fi
>  
> +PKG_CHECK_MODULES(GBMv9, $LIBGBMv9, [GBMv9=yes], [GBMv9=no])
> +
>  AC_MSG_CHECKING([Enable Glamor Dri3 helpers])
> -AC_ARG_ENABLE(glamor-dri3, AS_HELP_STRING([--enable-glamor-dri3], [Build glamor Dri3 helpers (default: yes if gbm is detected)]), [GLAMOR_DRI3_HELPERS="$enableval"], [GLAMOR_DRI3_HELPERS=yes])
> +AC_ARG_ENABLE(glamor-dri3, AS_HELP_STRING([--enable-glamor-dri3], [Build glamor Dri3 helpers (default: yes if libgbm >= 9 is detected)]), [GLAMOR_DRI3_HELPERS="$enableval"], [GLAMOR_DRI3_HELPERS=yes])
>  
> -if test "x$GLAMOR_DRI3_HELPERS" = xyes -a "x$GLAMOR_HAS_GBM" = xno; then
> +if test "x$GLAMOR_DRI3_HELPERS" = xyes -a "x$GBMv9" = xno; then
>     GLAMOR_DRI3_HELPERS=no
>  fi
>  
> -- 
> 1.8.1.2
> 
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