[Buildroot] [PATCH v7 5/7] package/opencv: add gtk3 support

[Yann E. MORIN <yann.morin.1998@free.fr>]

Samuel, All,

On 2015-07-04 21:06 +0200, Samuel Martin spake thusly:
> Fully rework the GTK support in OpenCV because it now supports gtk-2 and
> gtk-3 (but only one at the time).
> Note that, in the build-system, the gtk support is only available when
> Qt support is disabled; so make sure the menuconfig reflects this.
> 
> Signed-off-by: Samuel Martin <s.martin49@gmail.com>

[--SNIP--]
> diff --git a/package/opencv/opencv.mk b/package/opencv/opencv.mk
> index 79cf110..986e7b4 100644
> --- a/package/opencv/opencv.mk
> +++ b/package/opencv/opencv.mk
> @@ -236,11 +236,18 @@ OPENCV_CONF_OPTS += -DWITH_GSTREAMER=ON -DWITH_GSTREAMER_0_10=OFF
>  OPENCV_DEPENDENCIES += gstreamer1 gst1-plugins-base
>  endif
>  
> +ifeq ($(BR2_PACKAGE_OPENCV_WITH_GTK)$(BR2_PACKAGE_OPENCV_WITH_GTK3),)
> +OPENCV_CONF_OPTS += -DWITH_GTK=OFF -DWITH_GTK_2_X=OFF
> +endif
> +
>  ifeq ($(BR2_PACKAGE_OPENCV_WITH_GTK),y)
>  OPENCV_CONF_OPTS += -DWITH_GTK=ON -DWITH_GTK_2_X=ON

So here, this is unlike the GST case, where we need GTK=ON whenever we
want to have gtk support, which is gtk3 by default, unless GTK_2=ON is
also specified, in which case it's gtk2.

Right?

If so:

    Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>

Regards,
Yann E. MORIN.

>  OPENCV_DEPENDENCIES += libgtk2
> -else
> -OPENCV_CONF_OPTS += -DWITH_GTK=OFF
> +endif
> +
> +ifeq ($(BR2_PACKAGE_OPENCV_WITH_GTK3),y)
> +OPENCV_CONF_OPTS += -DWITH_GTK=ON -DWITH_GTK_2_X=OFF
> +OPENCV_DEPENDENCIES += libgtk3
>  endif
>  
>  ifeq ($(BR2_PACKAGE_OPENCV_WITH_JASPER),y)
> -- 
> 2.4.5
> 
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