[libcamera-devel] [PATCH v4 6/6] v4l2: v4l2_compat: Use correct libcamera_dep dependency

[Niklas Söderlund]

Hi Laurent,

Thanks for your patch.

On 2020-03-08 02:04:33 +0200, Laurent Pinchart wrote:
> The v4l2-compat shared library is declared as depending on
> libcamera_deps. This is not correct, as libcamera_deps contains the
> dependencies of libcamera itself. The correct dependency for users of
> libcamera is libcamera_dep.
> 
> Fixing this allows dropping libcamera_includes from the list of includes
> required by v4l2-compat, and libcamera from the link_with list, as they
> are already contained in libcamera_dep. We however need to add an
> explicit dependency on libdl which was previously provided by
> libcamera_deps.
> 
> Signed-off-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> Reviewed-by: Kieran Bingham <kieran.bingham at ideasonboard.com>

Reviewed-by: Niklas Söderlund <niklas.soderlund at ragnatech.se>

> ---
> Changes since v3:
> 
> - Inline v4l2_compat_deps and v4l2_compat_includes
> - Use the libdl dependency object
> ---
>  src/v4l2/meson.build | 10 ++--------
>  1 file changed, 2 insertions(+), 8 deletions(-)
> 
> diff --git a/src/v4l2/meson.build b/src/v4l2/meson.build
> index 14ee3594747d..efab968f7729 100644
> --- a/src/v4l2/meson.build
> +++ b/src/v4l2/meson.build
> @@ -5,11 +5,6 @@ v4l2_compat_sources = files([
>      'v4l2_compat_manager.cpp',
>  ])
>  
> -v4l2_compat_includes = [
> -    libcamera_includes,
> -    libcamera_internal_includes,
> -]
> -
>  v4l2_compat_cpp_args = [
>      # Meson enables large file support unconditionally, which redirect file
>      # operations to 64-bit versions. This results in some symbols being
> @@ -25,7 +20,6 @@ v4l2_compat = shared_library('v4l2-compat',
>                               v4l2_compat_sources,
>                               name_prefix : '',
>                               install : true,
> -                             link_with : libcamera,
> -                             include_directories : v4l2_compat_includes,
> -                             dependencies : libcamera_deps,
> +                             include_directories : libcamera_internal_includes,
> +                             dependencies : [ libcamera_dep, libdl ],
>                               cpp_args : v4l2_compat_cpp_args)
> -- 
> Regards,
> 
> Laurent Pinchart
> 
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-- 
Regards,
Niklas Söderlund